Prosecution Insights
Last updated: April 19, 2026
Application No. 18/876,118

Jacketed Pipe Pump

Non-Final OA §102§103§112
Filed
Dec 17, 2024
Examiner
PETERS, BRIAN O
Art Unit
3711
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Weir Minerals U S Inc.
OA Round
2 (Non-Final)
72%
Grant Probability
Favorable
2-3
OA Rounds
2y 7m
To Grant
89%
With Interview

Examiner Intelligence

Grants 72% — above average
72%
Career Allow Rate
447 granted / 617 resolved
+2.4% vs TC avg
Strong +16% interview lift
Without
With
+16.5%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
39 currently pending
Career history
656
Total Applications
across all art units

Statute-Specific Performance

§101
1.4%
-38.6% vs TC avg
§103
43.6%
+3.6% vs TC avg
§102
26.9%
-13.1% vs TC avg
§112
26.9%
-13.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 617 resolved cases

Office Action

§102 §103 §112
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 . DETAILED ACTION Applicant's arguments filed 12/30/2025 have been fully considered but they are not persuasive. The arguments are considered moot since it was discovered that the Examiner misidentified the manifold. The reference number has been updated and a new 112(b) rejection has been made. As such this Office action is a Non-Final office action in order to allow Applicants time to properly review the action. Claim Rejections - 35 USC § 112 Claims 1-9, 13 and 17 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claims 1 and 16 are unclear in that they recite “near”, which is a relative term and renders the claim indefinite. The term is not defined by the claim, the specification does not provide a standard for ascertaining the requisite degree, and one of ordinary skill in the art would not be reasonably apprised of the scope of the invention. It’s unclear how close is close enough to be considered “near”. Claims 2-9, 13 and 17 are unclear for their dependence from claims 1 or 16. Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claim(s) 1-3 and 9 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Browne US 1497652. Regarding claim 1, Browne discloses a jacketed pipe comprising: an internal pipe (7), an external pipe (9), a flange (1) and at least one manifold device (13) manufactured as separate parts (see note at end of claim), the internal pipe having a wall with an outer surface (Fig. 1); the external pipe coaxially arranged around the internal pipe to form an annular space (10) between an inner surface of a wall of the external pipe and the outer surface of the internal pipe (Fig. 1); the flange (1) having a first surface (facing away from joint) and an opposing second surface (facing towards joint), the flange being connected to an end of the external pipe and the internal pipe (Fig. 1), the flange having at least one aperture (14) extending through the thickness of the flange from the first surface to the opposing second surface and being radially spaced from the point of connection of the flange to the outer surface of the external pipe (Fig. 1); an opening (Fig. 1, connecting 12 with 10) formed through the wall of the external pipe near a point of connection of the flange to the external pipe, the opening being in fluid communication with the annular space between the internal pipe and the external pipe and being located in radial proximity to the at least one aperture (14) formed through the flange (Fig. 1); and the at least one manifold device (13) connected to the outer surface of the external pipe and connected to the first surface of the flange (Figs. 1 and 4, note how 13 protrudes from the flange’s first surface), the at least one manifold device being positioned to enclose the opening formed in the external pipe and to enclose the aperture extending through the flange (Fig. 1), the at least one manifold device (13) being formed with a channel (12) providing a fluid pathway between the opening in the external pipe (Fig. 1) and the aperture (14) in the flange allowing the annular space (10) and the aperture in the flange to be in fluid communication (Fig. 1). Note: Applicant’s Fig. 1 shows that the separate components are ultimately welded together and made into a single component. In the same sense that Applicant has depicted in their figures that the components are separate so too are the corresponding components in Browne “separate”. Should Applicant still insist that the separate nature of the components when manufactured is critical then as a separate component the claimed apparatus is directed to an intermediate product and according to MPEP 2107.01 the “specific, substantial and credible utility” would have to be reconsidered. PNG media_image1.png 575 1013 media_image1.png Greyscale Regarding claim 2, Browne further discloses that the at least one manifold device (13) has a first face that is positioned against the first surface of the flange (Fig. 1), the channel (12) being formed in the first face of the at least one manifold device (Fig. 1). Regarding claim 3, Browne further discloses that the at least one manifold device has an opposing face that is positioned in opposing orientation to the first face of the at least one manifold device (Fig. 1). Regarding claim 9, Browne further discloses that the at least one manifold device is further provided with a third face (threaded face) that is positioned against the wall of the external pipe and is connected to the wall of the external pipe (Fig. 1). Claim Rejections - 35 USC § 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, 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. Claim(s) 4-8 are rejected under 35 U.S.C. 103 as being unpatentable over Browne US 1497652. Regarding claim 4, Browne further discloses an access port (15) is formed in the adjacent face (radially outermost surface perpendicular to the longitudinal axis of the pipes) of the at least one manifold device, the access port being in fluid communication with the channel (12) of the at least one manifold device (Fig. 1). However, it does not teach that the access port is formed in the opposing face. Schulz teaches a jacketed pipe comprising an access port (10) on an opposing face (angled face of 5, Fig. 5) in order to eliminate any sharp deflection of the medium fed in (col. 2 ln. 54-58). Thus, it would have been an obvious to one of ordinary skill in the art before the effective filing date of the claimed invention, to modify the manifold, channel and access port as taught by Browne by utilizing the oblique angle of the channel and location of the access port on the opposite face in order to reduce or eliminate any sharp deflection of the medium fed therethrough. Regarding claim 5, the combination further teaches that the access port is oriented at an angle to a longitudinal axis formed along the channel (Schulz, Fig. 5). Regarding claim 6, the combination further teaches that the angle of orientation of the access port is perpendicular to the channel and the opposing face is a second face that is positioned parallel to the first face of the manifold device, the access port being formed through the second face (Schulz, Fig. 5). Regarding claim 7, the combination further teaches that the angle of orientation of the access port relative to the longitudinal axis of the channel is an acute angle (Schulz, Fig. 5). Regarding claim 8, Bronwe further discloses that the access port (15) has an inner wall that is threaded (Fig.1). Allowable Subject Matter Claims 13, 16 and 17 are allowable provided the 112b rejections are overcome. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to BRIAN O PETERS whose telephone number is (571)272-2662. The examiner can normally be reached Tue-Sat, 12:00pm-10pm EST. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Eugene Kim can be reached at (571) 272-4463. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /BRIAN O PETERS/Primary Examiner, Art Unit 3745
Read full office action

Prosecution Timeline

Dec 17, 2024
Application Filed
Sep 25, 2025
Examiner Interview (Telephonic)
Sep 25, 2025
Non-Final Rejection — §102, §103, §112
Dec 30, 2025
Response Filed
Jan 14, 2026
Non-Final Rejection — §102, §103, §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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EFFICIENT FAN ASSEMBLY
2y 5m to grant Granted Apr 07, 2026
Patent 12595809
HEAT COLLECTING PUMP AND WASHING APPLIANCE HAVING THE SAME
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Patent 12590589
RADIALLY COMPRESSIBLE AND EXPANDABLE ROTOR FOR A FLUID PUMP
2y 5m to grant Granted Mar 31, 2026
Patent 12584415
TURBINE ENGINE SEAL FOR TURBINE ENGINES
2y 5m to grant Granted Mar 24, 2026
Patent 12553412
HYDRAULIC SYSTEM FOR PITCH ANGLE ADJUSTMENT OF A ROTOR BLADE OF A WIND TURBINE AND WIND TURBINE WITH SUCH A HYDRAULIC SYSTEM
2y 5m to grant Granted Feb 17, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

2-3
Expected OA Rounds
72%
Grant Probability
89%
With Interview (+16.5%)
2y 7m
Median Time to Grant
Moderate
PTA Risk
Based on 617 resolved cases by this examiner. Grant probability derived from career allow rate.

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