Granted Patent
Utility
US 12,523,213
· Confirmation No. 1309
METHOD OF FORMING A DIAPHRAGM FOR A LIQUID PUMP
Applicant:
Walbro LLC
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| 2026-01-13 | EGRANT.PDF |
Digitally signed official patent eGrant document | — | View | |
| 2026-01-13 | EGRANT.NTF |
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| 2025-12-30 | ISSUE.NTF |
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| 2025-12-16 | IFEE |
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| 2025-12-16 | N417 |
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| 2025-12-16 | N417.PYMT |
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| 2025-11-21 | APP.FILE.REC |
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| 2025-11-19 | NOA |
Notice of Allowance and Fees Due (PTOL-85) | 5 | View | |
| 2025-11-19 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2025-11-19 | IIFW |
Issue Information including classification, examiner, name, claim, renumbering, etc. | 3 | View | |
| 2025-11-19 | SRNT |
Examiner's search strategy and results | 45 | View | |
| 2025-11-19 | BIB |
Bibliographic Data Sheet | 2 | View | |
| 2025-11-19 | 1449 |
List of References cited by applicant and considered by examiner | 5 | View | |
| 2025-10-14 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 5 | View | |
| 2025-10-14 | XT/ |
Extension of Time | 2 | View | |
| 2025-10-14 | RCEX |
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| 2025-10-14 | N417 |
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| 2025-10-14 | A.NE |
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| 2025-10-14 | CLM |
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| 2025-10-14 | REM |
Applicant Arguments/Remarks Made in an Amendment | 16 | View | |
| 2025-10-14 | AMSB |
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| 2025-10-14 | CLM |
Claims | 5 | View | |
| 2025-10-14 | REM |
Applicant Arguments/Remarks Made in an Amendment | 16 | View | |
| 2025-06-16 | CTFR |
Final Rejection | 6 | View | |
| 2025-06-16 | 892 |
List of references cited by examiner | 1 | View | |
| 2025-06-16 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2025-06-16 | FWCLM |
Index of Claims | 1 | View | |
| 2025-06-16 | SRNT |
Examiner's search strategy and results | 3 | View | |
| 2025-06-16 | 1449 |
List of References cited by applicant and considered by examiner | 5 | View | |
| 2025-04-01 | TRAN.LET |
Transmittal Letter | 2 | View | |
| 2025-04-01 | N417 |
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| 2025-04-01 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 5 | View | |
| 2025-04-01 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2025-04-01 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2025-04-01 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2025-03-27 | PA.. |
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| 2025-03-27 | N417 |
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| 2025-03-27 | A... |
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| 2025-03-27 | SPEC |
Specification | 1 | View | |
| 2025-03-27 | CLM |
Claims | 3 | View | |
| 2025-03-27 | REM |
Applicant Arguments/Remarks Made in an Amendment | 7 | View | |
| 2025-03-27 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2024-12-27 | CTNF |
Non-Final Rejection | 6 | View | |
| 2024-12-27 | 892 |
List of references cited by examiner | 1 | View | |
| 2024-12-27 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2024-12-27 | FWCLM |
Index of Claims | 1 | View | |
| 2024-12-27 | SRNT |
Examiner's search strategy and results | 13 | View | |
| 2024-12-27 | 1449 |
List of References cited by applicant and considered by examiner | 7 | View | |
| 2024-10-22 | N417 |
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| 2024-10-22 | ELC. |
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| 2024-08-26 | CTRS |
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| 2024-08-26 | FWCLM |
Index of Claims | 1 | View | |
| 2023-01-30 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 7 | View | |
| 2023-01-30 | FOR |
Foreign Reference | 7 | View | |
| 2023-01-30 | FOR |
Foreign Reference | 6 | View | |
| 2023-01-30 | TRAN.LET |
Transmittal Letter | 1 | View | |
| 2023-01-30 | FOR |
Foreign Reference | 10 | View | |
| 2023-01-30 | FOR |
Foreign Reference | 10 | View | |
| 2023-01-30 | N417 |
Electronic Filing System Acknowledgment Receipt | 5 | View | |
| 2023-01-30 | FOR |
Foreign Reference | 23 | View | |
| 2023-01-30 | REF.OTHER |
Other reference-Patent/Application/Search Documents | 21 | View | |
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| 2023-01-30 | FOR |
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| 2022-12-29 | NTC.PUB |
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| 2022-10-11 | APP.FILE.REC |
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| 2022-10-06 | CFILE |
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| 2022-09-22 | NTC.PUB.DATE |
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| 2022-09-21 | APP.FILE.REC |
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| 2022-09-21 | WFEE |
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| 2022-08-30 | PA.. |
Power of Attorney | 2 | View | |
| 2022-08-30 | WFEE |
Fee Worksheet (SB06) | 2 | View | |
| 2022-08-30 | N417 |
Electronic Filing System Acknowledgment Receipt | 3 | View | |
| 2022-08-30 | SPEC |
Specification | 21 | View | |
| 2022-08-30 | CLM |
Claims | 3 | View | |
| 2022-08-30 | ABST |
Abstract | 1 | View | |
| 2022-08-30 | DRW |
Drawings-only black and white line drawings | 7 | View | |
| 2022-08-30 | ADS |
Application Data Sheet | 10 | View | |
| 2022-08-30 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Nobuyuki Kuroki
Sendai-City, JAPAN
Katsuaki Hamataka
Sendai-City, JAPAN
Mark S. Swanson
Concord, NC
Tetsuya Takahashi
Shibata-Gun, JAPAN
Teruhiko Tobinai
Sendai-City, JAPAN
Attorneys & Agents of Record
Classification
USPC
264/544
F04B43/06
F02M17/04
F02M37/04
F02M37/12
F04B43/0054
F04B53/06
Prosecution
- Examiner
- NGUYEN, THUKHANH T
- Art Unit
- 1743
- Customer No.
- 29540
- Docket No.
- 812656000450
- Confirmation No.
- 1309
Publication
- Pub. No.
- US20220412337A1
- Pub. Date
- 2022-12-29
Patent Term Adjustment
-33days
Parent
is a Division of
→
App. 16/322,247
Filed 2019-01-31
· Final Rejection Mailed
Parent
PCT
is a National Stage Entry of
→
PCT/US2017/044837
Filed 2017-08-01
· Patented Case
Parent
Claims priority from a provisional application
→
App. 62/474,136
Filed 2017-03-21
· Provisional Application Expired
Parent
Claims priority from a provisional application
→
App. 62/369,541
Filed 2016-08-01
· Provisional Application Expired
STATEMENT REGARDING RELEASE OF LIENS IN PATENTS, INCLUDING LIEN IN FAVOR OF GLAS USA LLC RECORDED AT R/F 071674/0688
Recorded 2026-03-25
from
WALBRO CO., LTD. (ALSO KNOWN AS WALBRO KK),
WALBRO INTERNATIONAL HOLDING B.V.,
WALBRO LLC (F/K/A WALBRO CORPORATION AND WALBRO ENGINE MANAGEMENT, L.L.C.)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2026-03-16
from
AIRTEX INDUSTRIES, LLC,
AIRTEX PRODUCTS, LP,
APC INTERMEDIATE HOLDINGS, LLC,
APC PARENT, LLC,
ASC INDUSTRIES, INC.,
AUTOLITE OPERATIONS LLC,
AVM EXPORT, INC.,
BPI ACQUISITION COMPANY, LLC,
BPI EC, LLC,
BPI HOLDINGS INTERNATIONAL, LLC,
BRAKE PARTS INC CHINA LLC,
BRAKE PARTS INC INDIA LLC,
BRAKE PARTS INC LLC,
CARDONE INDUSTRIES, INC.,
CARRAND COMPANIES, INC.,
CARTER CARBURETOR HOLDINGS, LLC,
CARTER CARBURETOR, LLC,
CARTER FUEL EXPORT, INC.,
CARTER FUEL SYSTEMS, LLC,
CHAMPION LABORATORIES, INC.,
CWD HOLDING, LLC,
CWD INTERMEDIATE HOLDINGS I, LLC,
CWD INTERMEDIATE HOLDINGS II, LLC,
CWD, LLC,
DALTON CORPORATION,
DALTON CORPORATION, KENDALLVILLE,
DALTON CORPORATION, WARSAW MANUFACTURING FACILITY,
EAGLE CASTING, LLC,
EAGLE MACHINING, LLC,
FIRST BRANDS GROUP INTERMEDIATE, LLC,
FIRST BRANDS GROUP, LLC,
FRAM GROUP IP LLC,
FRAM GROUP OPERATIONS LLC,
FRAMAUTO HOLDINGS, LLC,
FUEL FILTER TECHNOLOGIES, INC.,
GLOBAL REMAN VENTURES, LLC,
HEATHERTON HOLDINGS, LLC,
HOPKINS ACQUISITION, INC.,
HOPKINS MANUFACTURING CORPORATION,
HORIZON EURO FINANCE LLC,
HORIZON GLOBAL AMERICAS INC.,
HORIZON GLOBAL COMPANY LLC,
HORIZON GLOBAL CORPORATION,
HORIZON INTERNATIONAL HOLDINGS LLC,
IBI INTERNATIONAL HOLDING COMPANY, INC.,
INTERNATIONAL BRAKE INDUSTRIES, INC.,
JASPER ACQUISITION CORP.,
JASPER RUBBER PRODUCTS, INC.,
KTRI HOLDINGS, INC.,
KTRI OFFSHORE HOLDINGS, LLC,
LONGMAN ENTERPRISES, INC.,
MANUFACTURING FACILITY DALTON CORPORATION, ASHLAND,
MANUFACTURING FACILITY DALTON CORPORATION, STRYKER MACHINING FACILITY CO.,
PHNX ACQUISITION CORP.,
PREMIER MARKETING GROUP, LLC,
PYLON MANUFACTURING CORP.,
PYLON SOUTH BEND, INC.,
QUALIS AUTOMOTIVE, L.L.C.,
QUALIS ENTERPRISES, LLC,
QUALITOR ACQUISITION INC.,
QUALITOR AUTOMOTIVE, LLC,
QUALITOR SUBSIDIARY H, INC.,
QUALITOR SUBSIDIARY S, INC.,
QUALITOR, INC.,
REMAN MANAGEMENT INTERNATIONAL LLC,
SDC TX, LLC,
SMART CHOICE, LLC,
SPECIALTY PUMPS GROUP, INC.,
STRONGARM, LLC,
TAE BRAKES, LLC,
TAE CHINA HOLDINGS, INC.,
TMD INTERNATIONAL HOLDINGS LLC,
TMD MEXICO LLC,
TOLEDO MOLDING & DIE, LLC,
TRANSPORTATION AFTERMARKET ENTERPRISE, LLC,
TRICO HOLDING CORPORATION,
TRICO PRODUCTS CORPORATION,
TRICO TECHNOLOGIES CORPORATION,
TRIDONEX USA LLC,
UCI ACQUISITION HOLDINGS (NO. 4) LLC,
UCI INTERNATIONAL HOLDINGS PARENT, INC.,
UCI INTERNATIONAL HOLDINGS, INC.,
UCI INTERNATIONAL, LLC,
UCI PENNSYLVANIA, INC.,
UCI-AIRTEX HOLDINGS, INC.,
UNITED COMPONENTS, LLC,
UNIVERSAL AUTO FILTER LLC,
VIPER ACQUISITION I, INC.,
VIPER ACQUISITION, INC.,
WALBRO LLC,
WALBRO MIDCO LLC,
WEM US CO.
FIRST LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT
Recorded 2025-06-18
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2022-08-31
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Quick Facts
- Patent No.
- US 12,523,213
- App. No.
- 17/898,968
- Filed
- 2022-08-30
- Granted
- 2026-01-13
- Pub. No.
- US20220412337A1
- Examiner
- NGUYEN, THUKHANH T
- Art Unit
- 1743
- PTA
- -33 days
External Links