G01M 3/224
For valves
Official title: {for valves}
G01M3/224 (For valves) appears on 31 US grants and 28 published applications in this corpus.
Search patents in G01M- Granted patents
- 31
- Published applications
- 28
- Assignees
- 28
- Inventors
- 81
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 2 |
| 2021 | 1 | 5 |
| 2022 | 6 | 2 |
| 2023 | 4 | 3 |
| 2024 | 3 | 3 |
| 2025 | 1 | 0 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mud pump valve leak detection and forecasting30 Jun 2026US 12,669,118 B2Schlumberger Technology Corporation
- Network edge detection and notification of gas pressure situation14 Apr 2026US 12,602,982 B2Itron, Inc.
- Vacuum relief valve for railroad tank car16 Dec 2025US 12,498,056 B2Valve & Machining LLC
- Fluid component body with leak test passages22 Oct 2024US 12,123,808 B2Swagelok Company
- Test device for detecting sealing performance of one-way valve1 Oct 2024US 12,104,984 B2Tsinghua University
- Systems and methods for checking personal protection device functionality27 Aug 2026US 2026/0249111 A13M Innovative Properties Company
- Apparatus, Systems and Methods to Monitor Methane Emissions from an Oil and Gas Production Tree6 Aug 2026US 2026/0227266 A1
- Vacuum Relief Valve for Railroad Tank Car25 Jun 2026US 2026/0177165 A1McKenzie Valve & Machining LLC
- Ultra-High Purity Gas Cylinder Leak Detection Systems and/or Methods26 Feb 2026US 2026/0056081 A1Electronic Fluorocarbons, LLC
- Apparatus for Detecting Blind Leaks in a Fire Suppression System19 Feb 2026US 2026/0049888 A1Siemens Industry, Inc.
Most cited
By later US patents
- Valve stem seal leak protection and detection apparatus74US 4,972,867 A1990
- Portable volatile organic compound monitoring system41US 5,356,594 AThermo Environmental Instruments Inc. · 1994
- Safety device for vessels of compressed gases37US 4,834,137 AMitsubishi Denki Kabushiki Kaisha · 1989
- Gas monitoring system with leak detection and flow cutoff31US 4,916,437 A1990
- Method of detecting small gas leaks in filled aerosol containers19US 3,956,923 AThe Procter & Gamble Company · 1976