G01M 3/18
For pipes, cables or tubes
Official title: for pipes, cables or tubes; for pipe joints or seals; for valves; {for welds; for containers, e.g. radiators}
G01M3/18 (For pipes, cables or tubes) appears on 659 US grants and 639 published applications in this corpus.
Search patents in G01M- Granted patents
- 659
- Published applications
- 639
- Assignees
- 484
- Inventors
- 1,544
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 15 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 17 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 0 |
| 2002 | 8 | 7 |
| 2003 | 8 | 12 |
| 2004 | 10 | 10 |
| 2005 | 6 | 19 |
| 2006 | 17 | 9 |
| 2007 | 6 | 10 |
| 2008 | 6 | 16 |
| 2009 | 9 | 9 |
| 2010 | 10 | 11 |
| 2011 | 5 | 10 |
| 2012 | 10 | 11 |
| 2013 | 8 | 20 |
| 2014 | 11 | 21 |
| 2015 | 14 | 19 |
| 2016 | 16 | 22 |
| 2017 | 15 | 21 |
| 2018 | 17 | 31 |
| 2019 | 36 | 50 |
| 2020 | 47 | 50 |
| 2021 | 46 | 58 |
| 2022 | 47 | 53 |
| 2023 | 42 | 53 |
| 2024 | 54 | 44 |
| 2025 | 35 | 39 |
| 2026 | 22 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automated and wireless accelerated heat treat life testing system29 Sep 2026US 12,748,009 B2UIF (University Industry Foundation), Yonsei University
- Sensors, multiplexed communication techniques, and related systems8 Sep 2026US 12,729,677 B2CoolIT Systems, Inc.
- Lidar measurement of methane gas flow in complex wind16 Jun 2026US 12,656,368 B2QLM Technology Ltd
- Methods and apparatus for managing a hydrogen storage and distribution system2 Jun 2026US 12,646,594 B2General Electric Company
- Fluid leakage detection system19 May 2026US 12,631,380 B2Daikin Industries, Ltd.
- Lidar measurement of methane gas flows using local wind data1 Oct 2026US 2026/0298968 A1QLM Technology Ltd
- Methods and apparatus for managing a hydrogen storage and distribution system1 Oct 2026US 2026/0301885 A1General Electric Company
- Hydrogen leak detector and method for detecting hydrogen leaks17 Sep 2026US 2026/0276468 A1Inficon GmbH
- Liquid leakage detector and battery system including the same10 Sep 2026US 2026/0269329 A1Samsung SDI.Co., Ltd.
- Apparatuses and methods for anomalous gas concentration detection3 Sep 2026US 2026/0259099 A1Bridger Photonics, Inc.
Most cited
By later US patents
- Thermal and coductivity sensing systems, devices and methods316US 7,794,141 B2DEKA Products Limited Partnership · 2010
- Fluid pumping systems, devices and methods254US 8,292,594 B2DEKA Products Limited Partnership · 2012
- Wireless system for detecting and stopping water leaks209US 5,655,561 A1997
- Apparatus and method for leak detection in a fluid-filled balloon useful to treat body tissue182US 6,057,689 AGynecare, Inc. · 2000
- Leak detection apparatus for a liquid circulation cooling system153US 6,826,948 B1Delphi Technologies, Inc. · 2004