G01M 3/002
Investigating fluid-tightness of structures: by using thermal means
Official title: {by using thermal means}
G01M3/002 (Investigating fluid-tightness of structures: by using thermal means) appears on 417 US grants and 481 published applications in this corpus.
Search patents in G01M- Granted patents
- 417
- Published applications
- 481
- Assignees
- 349
- Inventors
- 1,150
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 5 | 5 |
| 2004 | 6 | 3 |
| 2005 | 2 | 10 |
| 2006 | 7 | 12 |
| 2007 | 3 | 5 |
| 2008 | 5 | 7 |
| 2009 | 5 | 5 |
| 2010 | 4 | 16 |
| 2011 | 6 | 10 |
| 2012 | 5 | 12 |
| 2013 | 7 | 10 |
| 2014 | 9 | 9 |
| 2015 | 8 | 17 |
| 2016 | 14 | 27 |
| 2017 | 19 | 18 |
| 2018 | 14 | 21 |
| 2019 | 23 | 39 |
| 2020 | 22 | 40 |
| 2021 | 31 | 26 |
| 2022 | 26 | 36 |
| 2023 | 34 | 42 |
| 2024 | 27 | 44 |
| 2025 | 39 | 31 |
| 2026 | 34 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve diagnostic and performance system18 Aug 2026US 12,710,333 B2Saudi Arabian Oil Company
- Method and apparatus for gas leak detection18 Aug 2026US 12,710,334 B2ABB Schweiz AG
- Systems and methods for water detection4 Aug 2026US 12,699,018 B1United Services Automobile Association (USAA)
- Gas leak detection device and detecting method28 Jul 2026US 12,693,185 B2VIA Technologies, Inc.
- Device and method for determining the thermal conductivity of a gas, tank arrangement and vehicle28 Jul 2026US 12,693,252 B2Ast (Advanced Sensor Technologies) International Asset GmbH
- Method and system for diagnosing leakage of insulating oil24 Sep 2026US 2026/0287457 A1Fortune Electric Co., Ltd.
- Method and Device for Detecting a Critical Moisture Level within a Housing of an Active Module24 Sep 2026US 2026/0287534 A1Robert Bosch GmbH
- Hydrogen leak detector and method for detecting hydrogen leaks17 Sep 2026US 2026/0276468 A1Inficon GmbH
- Method of assembling and testing a pressurized consumer product20 Aug 2026US 2026/0243621 A1The Gillette Company
- Leak detection in prismatic blade battery cells20 Aug 2026US 2026/0245994 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Fiber optic temperature sensing184US 4,417,782 ARaychem Corporation · 1983
- Method and apparatus for detecting severity of water leaks86US 7,561,057 B22009
- Fluid management system83US 5,441,070 A1995
- Loss of refrigerant and/or high discharge temperature protection for heat pumps77US 4,220,010 AHoneywell Inc. · 1980
- Leak detection system55US 5,883,815 A1999