G01M 3/007
Leak detector calibration, standard leaks
Official title: {Leak detector calibration, standard leaks (G01M3/207 takes precedence)}
G01M3/007 (Leak detector calibration, standard leaks) appears on 157 US grants and 153 published applications in this corpus.
Search patents in G01M- Granted patents
- 157
- Published applications
- 153
- Assignees
- 118
- Inventors
- 343
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 4 |
| 2007 | 1 | 3 |
| 2008 | 2 | 4 |
| 2009 | 1 | 3 |
| 2010 | 6 | 1 |
| 2011 | 3 | 3 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 5 |
| 2015 | 4 | 14 |
| 2016 | 8 | 3 |
| 2017 | 9 | 5 |
| 2018 | 5 | 4 |
| 2019 | 11 | 20 |
| 2020 | 11 | 16 |
| 2021 | 8 | 11 |
| 2022 | 14 | 12 |
| 2023 | 10 | 8 |
| 2024 | 8 | 8 |
| 2025 | 15 | 10 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Evaluation of the measurement signal from a vacuum leak detector18 Aug 2026US 12,710,330 B2Inficon GmbH
- Liquid reservoir leak detection system4 Aug 2026US 12,697,867 B2TORC Robotics, Inc.
- Methane emission assessment using mobile surveys over time in a target area2 Jun 2026US 12,644,874 B1Picarro, Inc.
- Systems and methods for detecting and preventing damage to pipes19 May 2026US 12,631,514 B2State Farm Mutual Automobile Insurance Company
- Leak detection and response system for a pressure vessel5 May 2026US 12,616,924 B2Watts Regulator Co.
- Method for rapid localization of dam leakage passage based on gradient measurement of total magnetic field1 Oct 2026US 2026/0298765 A1Central South University
- Hydrogen leak detector and method for detecting hydrogen leaks17 Sep 2026US 2026/0276468 A1Inficon GmbH
- Systems and methods for detecting and preventing damage to pipes17 Sep 2026US 2026/0276474 A1State Farm Mutual Automobile Insurance Company
- A system and method for water usage monitoring, leak detection, backflow detection, and meter health6 Aug 2026US 2026/0227271 A1Kaptech Water Submetering LLC.
- Apparatus for determining leakage using pipeline characteristics and noise pattern, and learning method thereof23 Jul 2026US 2026/0210792 A1Sc Solution Global Co., Ltd
Most cited
By later US patents
- Detection of leaks in pipelines141US 5,416,724 ARensselaer Polytechnic Institute · 1995
- Fluid restrictor apparatus and method for making the same74US 5,316,262 ASuprex Corporation · 1994
- Detection and quantification of fluid leaks63US 5,535,136 A1996
- Method and system for analyzing gas leak based on machine learning53US 10,031,040 B1Palo Alto Research Center Incorporated · 2018
- Detection of leaks in vessels53US 5,675,506 ARensselaer Polytechnic Institute · 1997