DETAILED ACTION
This is a response to the Amendment to Application # 17/662,639 filed on June 30, 2026 in which claims 18, 25, 27-29, and 35 were amended.
Notice of Pre-AIA or AIA Status
The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA .
Status of Claims
Claims 18, 25-29, 35, and 36 are pending, which are rejected under 35 U.S.C. §§ 112(b) and 103.
Claim Objections
Claim 35 is objected to because of the following informalities: claim 35 refers to “the sensors” and “the respective sensors” at lines 2 and 3, respectively. However, parent claim 29 refers to “piezoelectric” sensors. For purposes of clarity, claim 35 should be amended to also refer to the sensor as a “piezoelectric sensor.” Appropriate correction is required.
Claim Interpretation
Claims 18 and 29 recite the limitation “the acoustic sensor being positioned on a rear wall of the table behind the auger relative to the cutter bar such that crop material that is not conveyed transversely towards the center of the header but passes over and behind the auger is incident on the acoustic sensor,” or similar. (Emphasis added). The plain and ordinary meaning of “such that” is synonymous with “to the extent that” and the like. Thus, the claim does not require and crop material to fail to be conveyed towards the center of the header and/or pass over and behind the auger. Instead, this claim merely requires that the sensor is placed in a position that if those actions were to occur, the crop material would fall or strike (i.e., is incident on1) the sensor’s area.
Claims 25 and 35 recite the generation of a control signal, where “the control signal generated to control an operation of the header or a farming machine coupled with the header,” or similar. (Emphasis added). This appears to recite that the intended use of the control signal is to control the operation of the header or farming machine, but does not actually require the control of the header or farming machine. “An intended use or purpose usually will not limit the scope of the claim because such statements usually do no more than define a context in which the invention operates.” Boehringer Ingelheim Vetmedica, Inc. v. Schering-Plough Corp., 320 F.3d 1339, 1345 (Fed. Cir. 2003). Although “[s]uch statements often . . . appear in the claim’s preamble,” In re Stencel, 828 F.2d 751, 754 (Fed. Cir. 1987), a statement of intended use or purpose can appear elsewhere in a claim. Id; Hewlett-Packard Co. v. Bausch & Lomb Inc., 909 F.2d 1464, 1468 (Fed. Cir. 1990); see also Roberts v. Ryer, 91 U.S. 150, 157 (1875) (‘The inventor of a machine is entitled to the benefit of all the uses to which it can be put, no matter whether he had conceived the idea of the use or not.’). Thus, it is usually improper to construe non-functional claim terms in system claims in a way that makes infringement or validity turn on their function. Paragon Solutions, LLC v. Timex Corp., 566 F.3d 1075, 1091 (Fed. Cir. 2009).
Claim Rejections - 35 U.S.C. § 112
The following is a quotation of 35 U.S.C. § 112(b):
(b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention.
Claims 18, 25-29, 35, and 36 are rejected under 35 U.S.C. § 112(b) as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor regards as the invention.
Regarding claim 18, this claim recites “a plurality of acoustic sensors” at line 6 and then refers to “each acoustic sensor of the plurality of acoustic sensors” at line 8. However, the claim goes on to refer to “the sensor” at lines 12 and 13. Thus, the examiner cannot determine if “the sensor” of lines 12 and 13 is intended to refer to one of the acoustic sensors of the plurality of acoustic sensors or all of the acoustic sensors of the plurality of acoustic sensors, rendering this claim indefinite.
In order to overcome this rejection, the examiner recommends replacing “the sensor” in lines 12 and 13 with either “each acoustic sensor of the plurality of acoustic sensors” or “the plurality of acoustic sensors,” as appropriate.
Regarding claims 25-28, these claims depend from claim 18 and, therefore, inherit the rejection of that claim.
Regarding claims 27 and 28, these claims depend from claim 25 and have been amended to recite “the control signals” at lines 1-2 and 1, respectively. However, parent claim 25 only generates “a control signal” from a signal determined amount of grain loss.” (Claim 25, ll. 4-6). Therefore, there is insufficient antecedent basis for these limitations in these claims.
Regarding claim 29 , this claim recites “a plurality of piezoelectric sensors” at line 4 and then refers to “each piezoelectric sensor of the plurality of acoustic sensors” at lines 4-5. However, the claim goes on to refer to “the piezoelectric sensor” at lines 10 and 11. Thus, the examiner cannot determine if “the sensor” of lines 10 and 11 is intended to refer to one of the piezoelectric sensors of the plurality of piezoelectric sensors or all of the piezoelectric sensors of the plurality of piezoelectric sensors, rendering this claim indefinite.
In order to overcome this rejection, the examiner recommends replacing “the sensor” in lines 12 and 13 with either “each piezoelectric sensor of the plurality of acoustic sensors” or “the plurality of piezoelectric sensors,” as appropriate.
Regarding claims 25 and 36, these claims depend from claim 18 and, therefore, inherit the rejection of that claim.
Claim Rejections - 35 U.S.C. § 103
The following is a quotation of 35 U.S.C. § 103 which forms the basis for all obviousness rejections set forth in this Office action:
A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102 of this title, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made.
Claims 18, 25, 26, and 29 are rejected under 35 U.S.C. § 103 as being unpatentable over Bohman et al., US Patent 4,275,546 (hereinafter Bohman) in view of Hoskinson et al., US Patent 8,469,784 (hereinafter Hoskinson).
Regarding claim 18, Bohman discloses a system, comprising “a cutter bar of a header” (Bohman col. 3, l. 66-col. 4, l. 23 and Fig. 2) where “header 22 has a reel 50 and a sickle or cutter bar 52.” Additionally, Bohman discloses “an auger configured to convey cut crop material inwardly towards a center of the header” (Bohman col. 3, l. 66-col. 4, l. 23 and Fig. 2, see also Fig. 9) where transverse auger 56 “consolidate[s] the harvested material and deliver it towards entrance 58 of the crop elevator 24.” As can be seen in Fig. 2, entrance 58 and crop elevator 24 are in the center of the header 22, at least in the depth direction as shown in Figs. 2 and 9. Further, Bohman discloses “a table beneath the auger and configured to receive crop material cut by the cutter bar and not conveyed by the auger” (Bohman col. 4, l. 25-col. 5, l. 40 and Fig. 2) where the floor of crop elevator 24 is shown to run under auger 56. The present specification explicitly states that a table is also called a “floor” (Spec. ¶ 43) and, therefore, the floor of Bohman is the claimed table within the bounds set by Applicant’s specification. Moreover, Bohman discloses “a plurality of acoustic sensors spaced laterally along the header” (Bohman col. 7, ll. 19-30 and Fig. 7) by disclosing that the system may include a plurality of acoustic sensors that are shown, in Fig. 7, to be spaced laterally along the header. Likewise, Bohman discloses that the plurality of acoustic sensors are “positioned within a flow path of crop material cut by the cutter bar and downstream of the cutter bar” (Bohman col. 4, l. 25-col. 5, l. 40 and Fig. 2, see also col. 7, l. 19-col. 8, l. 16 and Figs. 7-8) where “acoustic sensing device 70,” including a piezoelectric crystal, is shown by Fig. 2 to be positioned within the flow path of crop material cut by the cutter bar and downstream of the cutter bar. Bohman also discloses “each acoustic sensor of the plurality of acoustic sensors being positioned on a rear wall of the table behind the auger relative to the cutter bar such that crop material that is not conveyed transversely towards the center of the header but passes over and behind the auger is incident on the acoustic sensor” (Bohman col. 7, l. 19-col. 8, l. 52 and Figs. 2, 7, 10) where the acoustic sensor is shown by Fig. 2 to be positioned on the rear wall of the floor (i.e., table) and behind the cutter bar in a manner similar to that of Applicant’s Fig. 3. Bohman further describes that the crop flows “transversely” through the crop elevator but material that is “deflected off the idler drum 62” and is shown in Figs. 2 and 10 to be behind the auger with a crop flow that goes over auger 56. Finally, Bohman discloses “the sensor configured to measure an impact parameter indicative of a force of stones incident on a detection surface of the sensor” (Bohman col. 8, ll. 17-52) where the stones strike the acoustic sensor that measures the impact of the stones.
Although Bohman discloses the presence of the sensor, it does not explicitly disclose that the sensor is used to measure the force of cut crop material and, therefore, does not appear to explicitly disclose “the sensor configured to measure an impact parameter indicative of a force of cut crop material incident on a detection surface of the sensor.”
However, Reinecke discloses a crop processing agricultural vehicle that uses an acoustic sensor to measure grain loss, wherein “the sensor configured to measure an impact parameter indicative of a force of cut crop material incident on a detection surface of the sensor” (Hoskinson col. 6, ll. 51-5) where a piezoelectric sensor, which are known to those of ordinary skill in the art to be acoustic sensors, measures the impacts per second of grain on the sensor in order to measure grain loss.
Bohman and Hoskinson are analogous art because they are from the “same field of endeavor,” namely that of agricultural machines for processing grain.
Prior to the effective filing date of the claimed invention, it would have been obvious to one of ordinary skill in the art, having the teachings of Bohman and Hoskinson before him or her to modify the acoustic sensor of Bohman to include the acoustic sensor of Hoskinson.
The motivation/rationale for doing so would have been that of simple substitution. See KSR Int’l Co v. Teleflex Inc., 550 US 398, 82 USPQ2d 1385, 1396 (U.S. 2007) and MPEP § 2143(I)(B). Bohman differs from the claimed invention by including a piezoelectric sensor for measuring stones in place of a piezoelectric sensor for measuring grain loss. Further, Hoskinson teaches that piezoelectric sensors for measuring grain loss were well known in the art. One of ordinary skill in the art could have predictably substituted the use assigned to the piezoelectric sensor of Bohman for the use assigned to the piezoelectric sensor of Hoskinson because no structural changes to the machine of Bohman would be required, but merely recalibrating the piezoelectric sensor to measure smaller material in the form of grain instead of stones.
Regarding claim 25, the combination of Bohman and Hoskinson discloses the limitations contained in parent claim 18 for the reasons discussed above. In addition, the combination of Bohman and Hoskinson discloses “a controller, configured to: receive an impact signal from each of the sensors, the impact signal indicative of a force of material incident on the detection surface of the respective sensor.” (Bohman col. 8, ll. 17-52). Further, the combination of Bohman and Hoskinson discloses “determine, according to the impact signals, an amount of grain loss.” (Hoskinson col. 6, ll. 5-15). Finally, the combination of Bohman and Hoskinson discloses “generate a control signal according to the determined amount of grain loss, the control signal generated to control an operation of the header or a farming machine coupled with the header” (Hoskinson col. 6, ll. 52-60) where parameters of the combine are adjusted, such as rotor/cylinder speed, concave setting, and engine load target.
Regarding claim 26, the combination of Bohman and Hoskinson discloses the limitations contained in parent claim 25 for the reasons discussed above. In addition, the combination of Bohman and Hoskinson discloses “operable to control operation of a user interface associated with the machine to provide an indication to the operator of the machine of the determined grain loss associated with the measured impact parameter.” (Hoskinson col. 5, l. 59-col. 6, l. 4).
Regarding claim 29, Bohman discloses a system, comprising “a cutter bar of a header” (Bohman col. 3, l. 66-col. 4, l. 23 and Fig. 2) where “header 22 has a reel 50 and a sickle or cutter bar 52.” Additionally, Bohman discloses “an auger configured to convey cut crop material inwardly towards a center of the header” (Bohman col. 3, l. 66-col. 4, l. 23 and Fig. 2, see also Fig. 9) where transverse auger 56 “consolidate[s] the harvested material and deliver it towards entrance 58 of the crop elevator 24.” As can be seen in Fig. 2, entrance 58 and crop elevator 24 are in the center of the header 22, at least in the depth direction as shown in Figs. 2 and 9. Further, Bohman discloses “a plurality of piezoelectric sensors spaced laterally along the header” (Bohman col. 7, ll. 19-30 and Fig. 7) by disclosing that the system may include a plurality of acoustic sensors that are shown, in Fig. 7, to be spaced laterally along the header. Moreover, Bohman discloses each piezoelectric sensor of the plurality of piezoelectric sensors being positioned within a flow path of crop material cut by the cutter bar and downstream of the cutter bar” ” (Bohman col. 4, l. 25-col. 5, l. 40 and Fig. 2 see also col. 7, l. 19-col. 8, l. 16 and Figs. 7-8) where “acoustic sensing device 70,” including a piezoelectric crystal (i.e., a piezoelectric sensor), is shown by Fig. 2 to be positioned within the flow path of crop material cut by the cutter bar and downstream of the cutter bar. Likewise, Bohman discloses each piezoelectric sensor being “positioned on a rear wall of the table behind the auger relative to the cutter bar such that crop material that is not conveyed transversely towards the center of the header but passes over and behind the auger is incident on the piezoelectric sensor” (Bohman col. 7, l. 19-col. 8, l. 52 and Figs. 2, 7, 10) where the acoustic sensor is shown by Fig. 2 to be positioned on the rear wall of the floor (i.e., table) and behind the cutter bar in a manner similar to that of Applicant’s Fig. 3. Bohman further describes that the crop flows “transversely” through the crop elevator but material that is “deflected off the idler drum 62” and is shown in Figs. 2 and 10 to be behind the auger with a crop flow that goes over auger 56. Finally, Bohman discloses “the piezoelectric sensor operable to output an electric signal proportional to impact force of stones incident on a detection surface of the piezoelectric sensor” (Bohman col. 8, ll. 17-52) where the stones strike the piezoelectric sensor that measures the impact of the stones. Because “the frequency and amplitude of the electrical signals vary as a function of the characteristic of the acoustic vibrations in the bar as a result of crop material and/or stone impact,” this means that the components of the signal such as frequency or amplitude are proportional to the impact forces by being “a function of” the vibrations created by the force of the stone.
Although Bohman discloses the presence of the sensor, it does not explicitly disclose that the sensor is used to measure the force of cut crop material and, therefore, does not appear to explicitly disclose “the piezoelectric sensor operable to output an electric signal proportional to impact force of cut crop material incident on a detection surface of the piezoelectric sensor.”
However, Reinecke discloses a crop processing agricultural vehicle that uses an acoustic sensor to measure grain loss, wherein “the piezoelectric sensor operable to output an electric signal proportional to impact force of cut crop material incident on a detection surface of the piezoelectric sensor” (Hoskinson col. 6, ll. 51-5) where a piezoelectric sensor measures the impacts per second of grain on the sensor in order to measure grain loss.
Bohman and Hoskinson are analogous art because they are from the “same field of endeavor,” namely that of agricultural machines for processing grain.
Prior to the effective filing date of the claimed invention, it would have been obvious to one of ordinary skill in the art, having the teachings of Bohman and Hoskinson before him or her to modify the acoustic sensor of Bohman to include the acoustic sensor of Hoskinson.
The motivation/rationale for doing so would have been that of simple substitution. See KSR Int’l Co v. Teleflex Inc., 550 US 398, 82 USPQ2d 1385, 1396 (U.S. 2007) and MPEP § 2143(I)(B). Bohman differs from the claimed invention by including a piezoelectric sensor for measuring stones in place of a piezoelectric sensor for measuring grain loss. Further, Hoskinson teaches that piezoelectric sensors for measuring grain loss were well known in the art. One of ordinary skill in the art could have predictably substituted the use assigned to the piezoelectric sensor of Bohman for the use assigned to the piezoelectric sensor of Hoskinson because no structural changes to the machine of Bohman would be required, but merely recalibrating the piezoelectric sensor to measure smaller material in the form of grain instead of stones.
Claims 27, 28, 35 and 36 are rejected under 35 U.S.C. § 103 as being unpatentable over Bohman in view of Hoskinson, as applied to claims 25 and 29 above, and in further view of Farley et al., US Publication 2019/0343048 (hereinafter Farley), as cited on the Notice of References Cited dated April 4, 2024.
Regarding claim 27, the combination of Bohman and Hoskinson discloses the limitations contained in parent claim 25 for the reasons discussed above. In addition, the combination of Bohman and Hoskinson does not appear to explicitly disclose “wherein the operation controlled by the control signals comprises an operational speed of the header, and wherein the operational speed comprises speed of a reel, an auger, a conveyor(s), or a belt of the header.”
However, Farley discloses a harvester that sends control signals “wherein the operation controlled by the control signals comprises an operational speed of the header.” (Farley ¶ 24). Additionally, Farley discloses “wherein the operational speed comprises speed of a reel, an auger, a conveyor(s), or a belt of the header” (Farley ¶ 56) where the operation speed of the conveyor is controlled.
Bohman, Hoskinson, and Farley are analogous art because they are from the “same field of endeavor,” namely that of harvesting machines.
Prior to the effective filing date of the claimed invention, it would have been obvious to one of ordinary skill in the art, having the teachings of Bohman, Hoskinson, and Farley before him or her to modify the control signal of Bohman and Hoskinson to include the specific control signals of Farley.
The motivation/rationale for doing so would have been that of applying a known technique to a known device. See KSR Int’l Co. v. Teleflex Inc., 550 US 398, 82 USPQ2d 1385, 1396 (U.S. 2007) and MPEP § 2143(I)(D). The combination of Bohman and Hoskinson teaches the “base device” for issuing a control signal in response to detecting grain loss. Further, Farley teaches the “known technique” for sending alternate control signals, such as controlling operational speed, that is applicable to the base device of Bohman and Hoskinson. One of ordinary skill in the art would have recognized that applying the known technique would have yielded predictable results and resulted in an improved system by providing increased control for managing grain loss.
Regarding claim 28, the combination of Bohman and Hoskinson discloses the limitations contained in parent claim 25 for the reasons discussed above. In addition, the combination of Bohman and Hoskinson discloses “wherein the operation controlled by the control signals comprises a position or an orientation of the header or of a component of the header.”
However, Farley discloses a harvester that sends control signals “wherein the operation controlled by the control signals comprises a position or an orientation of the header or of a component of the header” (Farley ¶ 56) where the height of the header, which is a position, is controlled.
Bohman, Hoskinson, and Farley are analogous art because they are from the “same field of endeavor,” namely that of harvesting machines.
Prior to the effective filing date of the claimed invention, it would have been obvious to one of ordinary skill in the art, having the teachings of Bohman, Hoskinson, and Farley before him or her to modify the control signal of Bohman and Hoskinson to include the specific control signals of Farley.
The motivation/rationale for doing so would have been that of applying a known technique to a known device. See KSR Int’l Co. v. Teleflex Inc., 550 US 398, 82 USPQ2d 1385, 1396 (U.S. 2007) and MPEP § 2143(I)(D). The combination of Bohman and Hoskinson teaches the “base device” for issuing a control signal in response to detecting grain loss. Further, Farley teaches the “known technique” for sending alternate control signals, such as controlling position, that is applicable to the base device of Bohman and Hoskinson. One of ordinary skill in the art would have recognized that applying the known technique would have yielded predictable results and resulted in an improved system by providing increased control for managing grain loss.
Regarding claim 35, the combination of Bohman and Hoskinson discloses the limitations contained in parent claim 29 for the reasons discussed above. In addition, the combination of Bohman and Hoskinson discloses “further comprising a controller, configured to: receive an impact signal from each of the sensors, the impact signal indicative of a force of material incident on the detection surface of the respective sensor.” (Bohman col. 8, ll. 17-52). Further, the combination of Bohman and Hoskinson discloses “determine, according to the impact signals, an amount of grain loss ” (Hoskinson col. 6, ll. 5-15). Finally, the combination of Bohman and Hoskinson discloses “generate a control signal according to the determined amount of grain loss, the control signal generated to control an operation of the header or a farming machine coupled with the header ” (Hoskinson col. 6, ll. 52-60) where parameters of the combine are adjusted, such as rotor/cylinder speed, concave setting, and engine load target.
The combination of Bohman and Hoskinson does not appear to explicitly disclose “wherein the operation controlled by the control signal comprises an operational speed, position, or orientation of the header or a part of the header.”
However, Farley discloses a harvester that sends control signals “wherein the operation controlled by the control signal comprises an operational speed, position, or orientation of the header or a part of the header” (Farley ¶ 56) where the height of the header, which is a position, and operational speed are controlled.
Bohman, Hoskinson, and Farley are analogous art because they are from the “same field of endeavor,” namely that of harvesting machines.
Prior to the effective filing date of the claimed invention, it would have been obvious to one of ordinary skill in the art, having the teachings of Bohman, Hoskinson, and Farley before him or her to modify the control signal of Bohman, Hoskinson, to include the specific control signals of Farley.
The motivation/rationale for doing so would have been that of applying a known technique to a known device. See KSR Int’l Co. v. Teleflex Inc., 550 US 398, 82 USPQ2d 1385, 1396 (U.S. 2007) and MPEP § 2143(I)(D). The combination of Bohman and Hoskinson teaches the “base device” for issuing a control signal in response to detecting grain loss. Further, Farley teaches the “known technique” for sending alternate control signals, such as controlling operational speed, that is applicable to the base device of Bohman and Hoskinson. One of ordinary skill in the art would have recognized that applying the known technique would have yielded predictable results and resulted in an improved system by providing increased control for managing grain loss.
Regarding claim 36, the combination of Bohman, Hoskinson, and Farley discloses the limitations contained in parent claim 35 for the reasons discussed above. In addition, the combination of Bohman, Hoskinson, and Farley discloses “further comprising a user interface to provide an indication to the operator of the machine of the determined amount of grain loss.” (Hoskinson col. 5, l. 59-col. 6, l. 4).
Response to Arguments
Applicant’s arguments filed June 30, 2026, with respect to the objections to the drawings and claim 18 and the rejection of claim 29 under 35 U.S.C. § 112(b) (Remarks 4-5) have been fully considered and are persuasive. The objections to the drawings and claim 18 and the rejection of claim 29 under 35 U.S.C. § 112(b) have been withdrawn.
Applicant's arguments filed June 30, 2026, with respect to the rejection of claim 18 and 29 under 35 U.S.C. § 103 have been fully considered but they are not persuasive.
Applicant argues that Bohman “discloses the use of an acoustic sensor in a feederhouse, not a header.” (Remarks 5-6). The examiner disagrees.
As admitted by Applicant, “[t]he sensor disclosed in Bohman is located in the feederhouse, which in turn is positioned at the center of the header.” (Remarks 6). Thus, the feederhouse, along with the acoustic sensors, are positioned in the header. Further, nothing in the claims preclude an intermediate feederhouse inside the header.
Finally, even if Bohman disclosed an embodiment in which the feederhouse was separate from the header, it also discloses embodiments in which the sensors are directly depicted as being inside the header. For example, Fig. 7 of Bohman, reproduced below shows sensors 70c and 70d drawn inside header 22:
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Therefore, Applicant’s argument is unpersuasive.
THIS ACTION IS MADE FINAL. Applicant is reminded of the extension of time policy as set forth in 37 C.F.R. § 1.136(a).
A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 C.F.R. § 1.17(a)) pursuant to 37 C.F.R. § 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action.
Any inquiry concerning this communication or earlier communications from the examiner should be directed to ANDREW R DYER whose telephone number is (571)270-3790. The examiner can normally be reached Monday-Thursday 7:30-4:30.
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/ANDREW R DYER/Primary Examiner, Art Unit 3662
1 “incident,” Merriam Webster Online, November 9, 2020, Page 1.
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