Prosecution Insights
Last updated: April 19, 2026
Application No. 18/579,435

CONNECTION UNIT, VIBRATION-TUBE MODULE, AND MODULAR MEASURING DEVICE FOR DETERMINING THE DENSITY OF A MEASUREMENT MEDIUM

Non-Final OA §102
Filed
Jan 15, 2024
Examiner
BUTLER, KEVIN C
Art Unit
2852
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Endress+Hauser
OA Round
1 (Non-Final)
90%
Grant Probability
Favorable
1-2
OA Rounds
2y 0m
To Grant
98%
With Interview

Examiner Intelligence

Grants 90% — above average
90%
Career Allow Rate
810 granted / 904 resolved
+21.6% vs TC avg
Moderate +9% lift
Without
With
+8.7%
Interview Lift
resolved cases with interview
Fast prosecutor
2y 0m
Avg Prosecution
32 currently pending
Career history
936
Total Applications
across all art units

Statute-Specific Performance

§101
0.9%
-39.1% vs TC avg
§103
55.2%
+15.2% vs TC avg
§102
32.0%
-8.0% vs TC avg
§112
7.8%
-32.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 904 resolved cases

Office Action

§102
DETAILED ACTION 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 . 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) 12-16, 18-22 is/are rejected under 35 U.S.C. 102(a)(1) & 102(a)(2) as being anticipated by Malani (WO-2020206030). In regards to claim 12, Malani teaches a connection unit for at least one vibration-tube module of a modular measuring device for determining the density of a measurement medium, the connection unit comprising: (100 fig. 1, 1100 fig. 11A, ‘flow sensor’; ‘flow sensor’; 1200 fig. 12, ‘flow sensor’; abstract; para(s) [0034-0035, 0041-0042]) a measurement-medium inlet, which extends along a first axis; (100 fig. 1; para [0045]) a measurement-medium outlet, which extends along a second axis; (100 fig. 1; para [0046]) a first vibration-tube inlet, which is fluidically connected to the measurement-medium inlet; and (fig. 1; para [0045]) a first vibration-tube outlet, which is fluidically connected to the measurement-medium outlet, (fig. 1; para [0046]) wherein the measurement-medium inlet and the measurement-medium outlet are opposite each other, separated from each other with respect to a first plane, and mechanically connected to each other by at least one support unit, and (100 fig. 1, 1100 fig. 11A, ‘flow sensor’; ‘flow sensor’; 1200 fig. 12, ‘flow sensor’; abstract; para(s) [0034-0035, 0041-0042]) wherein the first axis and the second axis each form an angle of greater than 45° to the first plane. (100, 144A, 148A, 149A, 144B, 148B, 149B fig. 1, ‘discloses inlet and outlet flow path assemblies of the Y block. With inlet and out let that is greater than 45° if a plane is driven in the device 100.’) In regards to claim 13, Malani teaches a connection unit according to claim 12, (see claim rejection 12) further comprising a mounting region configured to detachably fasten the connection unit in a modular measuring device. (165 fig. 1, ‘enclosure lid’; 1120 fig. 11A, ‘support’; 1220, 1230 fig. 12, ‘cradle’, ‘latch’) In regards to claim 14, Malani teaches a connection unit according to claim 12, (see claim rejection 12) wherein the connection unit is made of a material comprising a plastic. (para(s) [0004, 0006, 0032, 0039]) In regards to claim 15, Malani teaches a connection unit according to claim 12, (see claim rejection 12) wherein the first vibration-tube inlet extends along a third axis and the first vibration-tube outlet extends along a fourth axis, the third axis and the fourth axis lying in a second plane, which is arranged orthogonally to the first plane. (‘fig 1 shows and inlet path 142A though a hose barb 149A a first inlet and a U-shaped flow tube with a fist vibrational portion of the first tube in its defined axis and a second portion of second vibrational portion of second tube defined in its axis with a barb 148B and outlet.’) In regards to claim 16, Malani teaches a connection unit according to claim 12, (see claim rejection 12) further comprising a second vibration- tube inlet, which is fluidically connected to the measurement-medium inlet, and a second vibration-tube outlet, which is fluidically connected to the measurement-medium outlet, such that the connection unit is operable for a second vibration tube of the modular measuring device. (‘fig 1 shows and inlet path 142A though a hose barb 149A a first inlet and a U-shaped flow tube with a fist vibrational portion of the first tube in its defined axis and a second portion of second vibrational portion of second tube defined in its axis with a barb 148B and outlet.’) In regards to claim 18, Malani teaches vibration-tube module for a modular measuring device, the vibration-tube module comprising: : (100 fig. 1, 1100 fig. 11A, ‘flow sensor’; ‘flow sensor’; 1200 fig. 12, ‘flow sensor’; abstract; para(s) [0034-0035, 0041-0042]) a connection unit according to claim 12, (‘fig 1 shows and inlet path 142A though a hose barb 149A a first inlet and a U-shaped flow tube with a fist vibrational portion of the first tube in its defined axis and a second portion of second vibrational portion of second tube defined in its axis with a barb 148B and outlet.’) a first vibration tube including a fixing portion, a first tube entrance, and a first tube exit, (100 fig. 1; para [0045-0046]) wherein the fixing portion is complementary to a fastening region of the connection unit, and wherein the fixing portion is connected to the fastening region in a force-closed manner by gluing, screwing, welding, or riveting, and (165 fig. 1, ‘enclosure lid’; 1120 fig. 11A, ‘support’; 1220, 1230 fig. 12, ‘cradle’, ‘latch’) wherein the first tube entrance is connected to the first vibration-tube inlet of the connection unit, and the first tube exit is connected to the first vibration-tube outlet of the connection unit. (‘fig 1 shows and inlet path 142A though a hose barb 149A a first inlet and a U-shaped flow tube with a fist vibrational portion of the first tube in its defined axis and a second portion of second vibrational portion of second tube defined in its axis with a barb 148B and outlet.’) In regards to claim 19, Malani teaches a vibration-tube module according to claim 18, (see claim rejection 18) wherein a pin of the fixing portion is welded to a through hole of the fastening region. (165 fig. 1, ‘enclosure lid’; 1120 fig. 11A, ‘support’; 1220, 1230 fig. 12, ‘cradle’, ‘latch’; para(s) [0074-0076, 00104], ‘;discloses methods to attach bottom portions of pipes for example molding, glue, epoxy.’) In regard to claim 20, Malani teaches a modular measuring device for determining the density of a measurement medium, the modular measuring device comprising: (100 fig. 1, 1100 fig. 11A, ‘flow sensor’; ‘flow sensor’; 1200 fig. 12, ‘flow sensor’; abstract; para(s) [0034-0035, 0041-0042]) a vibration-tube module according toa vibration-tube module according to a holding device operable to being connected to the mounting region of the connection unit as to detachably fasten the vibration-tube module in the holding device. (100 fig. 1, 1100 fig. 11A, ‘flow sensor’; ‘flow sensor’; 1200 fig. 12, ‘flow sensor’; abstract; para(s) [0034-0035, 0041-0042]; 165 fig. 1, ‘enclosure lid’; 1120 fig. 11A, ‘support’; 1220, 1230 fig. 12, ‘cradle’, ‘latch’) In regards to claim 21, Malani teaches a modular measuring device according to claim 20, (see claim rejection 20) further comprising a locking element for releasably locking the vibration-tube module in the measuring device in the mounting region. (165 fig. 1, ‘enclosure lid’; 1120 fig. 11A, ‘support’; 1220, 1230 fig. 12, ‘cradle’, ‘latch’) In regards to claim 22, Malani teaches a modular measuring device according to claim 21, (see claim rejection 21) wherein the locking element is a clamping lock. (165 fig. 1, ‘enclosure lid’; 1120 fig. 11A, ‘support’; 1220, 1230 fig. 12, ‘cradle’, ‘latch’) 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) 17 is/are rejected under 35 U.S.C. 102(a)(1) & 102(a)(2) as being anticipated by Malani (WO-2020206030). In regards to claim 17, Malani teaches a connection unit for at least one vibration-tube module of a modular measuring device for determining the density of a measurement medium, the connection unit comprising: (100 fig. 1, 1100 fig. 11A, ‘flow sensor’; ‘flow sensor’; 1200 fig. 12, ‘flow sensor’; abstract; para(s) [0034-0035, 0041-0042]) a measurement-medium inlet, which extends along a first axis; (100 fig. 1; para [0045]) a measurement-medium outlet, which extends along a second axis; a tubular support unit, which includes a tube inlet and a tube outlet; (100 fig. 1; para [0046]) a first vibration-tube inlet, which is fluidically connected to the measurement-medium inlet; (fig. 1; para [0045]) a first vibration-tube outlet, which is connected to the tube inlet of the tubular support unit; (fig. 1; para [0045]) a second vibration-tube inlet, which is connected to the tube outlet of the tubular support unit; and (100 fig. 1; para [0046]) a second vibration-tube outlet, which is fluidically connected to the measurement-medium outlet, (100 fig. 1; para [0046]) wherein the measurement-medium inlet and the measurement-medium outlet are opposite each other, separated from each other with respect to a first plane, and mechanically connected to each other by the tubular support unit, and (100 fig. 1, 1100 fig. 11A, ‘flow sensor’; ‘flow sensor’; 1200 fig. 12, ‘flow sensor’; abstract; para(s) [0034-0035, 0041-0042]) wherein the first axis and the second axis each form an angle of greater than 450 to the first plane. (100, 144A, 148A, 149A, 144B, 148B, 149B fig. 1, ‘discloses inlet and outlet flow path assemblies of the Y block. With inlet and out let that is greater than 45° if a plane is driven in the device 100.’) Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. The references cited Werner (CN-121057925), Cage (US 4,768,385), and Keita(US 2011/0088486) references further describe a modularized Coriolis flowmeter as described by the claims. Any inquiry concerning this communication or earlier communications from the examiner should be directed to KEVIN C BUTLER whose telephone number is (571)270-3973. The examiner can normally be reached 9-5. 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, Stephanie E Bloss can be reached at (571)272-3555. 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. /K.C.B/Examiner, Art Unit 2852 /STEPHANIE E BLOSS/Supervisory Primary Examiner, Art Unit 2852
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Prosecution Timeline

Jan 15, 2024
Application Filed
Feb 04, 2026
Non-Final Rejection — §102 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
90%
Grant Probability
98%
With Interview (+8.7%)
2y 0m
Median Time to Grant
Low
PTA Risk
Based on 904 resolved cases by this examiner. Grant probability derived from career allow rate.

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