G01M 13/003
Machine valves
Official title: Machine valves (testing valves for fluid tightness G01M3/00)
G01M13/003 (Machine valves) appears on 90 US grants and 122 published applications in this corpus.
Search patents in G01M- Granted patents
- 90
- Published applications
- 122
- Assignees
- 105
- Inventors
- 347
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 5 |
| 2020 | 1 | 19 |
| 2021 | 9 | 12 |
| 2022 | 9 | 23 |
| 2023 | 13 | 14 |
| 2024 | 21 | 15 |
| 2025 | 12 | 14 |
| 2026 | 12 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Safety valve, well system, and method employing an electrical sensor29 Sep 2026US 12,747,649 B2Halliburton Energy Services.Inc.
- System and method for monitoring vacuum valve closing condition in vacuum processing system29 Sep 2026US 12,748,012 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Method and apparatus for testing vent caps22 Sep 2026US 12,742,700 B2The Boeing Company
- Method for detecting malfunctioning of a fuel return valve in an aircraft25 Aug 2026US 12,716,811 B2Airbus Operations GmbH
- Regulator assembly and test method28 Jul 2026US 12,692,984 B2Entegris, Inc.
- Method for Detecting a Change in Status in an Underwater System1 Oct 2026US 2026/0298767 A1Robert Bosch GmbH
- Method of determining wear condition of valve24 Sep 2026US 2026/0287468 A1SPM Oil & Gas Inc.
- Computer program implemented method for automated verification of the sequencing logic of the opening of blowdown valves and readable non-transient storage medium6 Aug 2026US 2026/0227282 A1Petroleo Brasileiro S.A. - Petrobras
- Method and arrangement for determining fluid path connectivity30 Jul 2026US 2026/0218800 A1Tecan Trading AG Global Intellectual Property
- Device and Method for Testing Vessel Pressure Relief Valves9 Jul 2026US 2026/0194419 A1Blessey Marine Services, Inc.
Most cited
By later US patents
- System for evaluating the flow performance characteristics of a device43US 5,107,441 AOtis Engineering Corporation · 1992
- Fuel pump diagnostics for internal combustion engine12US 4,094,191 AUnited Technologies Corporation · 1978
- Valve-spring tool9US 4,641,521 A1987
- Device for testing brake fluid pressure circuit in anti-lock control system9US 4,869,558 ASumitomo Electric Industries, Ltd. · 1989
- Rig management system for analyzing a pump valve of a hydraulic fracturing system8US 10,890,061 B2Caterpillar Inc. · 2021