G01M 3/28
For pipes, cables or tubes
Official title: for pipes, cables or tubes; for pipe joints or seals; for valves {; for welds}
G01M3/28 (For pipes, cables or tubes) appears on 1,916 US grants and 1,741 published applications in this corpus.
Search patents in G01M- Granted patents
- 1,916
- Published applications
- 1,741
- Assignees
- 1,079
- Inventors
- 3,890
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 10 | 0 |
| 1978 | 27 | 0 |
| 1979 | 13 | 0 |
| 1980 | 14 | 0 |
| 1981 | 12 | 0 |
| 1982 | 12 | 0 |
| 1983 | 19 | 0 |
| 1984 | 20 | 0 |
| 1985 | 13 | 0 |
| 1986 | 20 | 0 |
| 1987 | 13 | 0 |
| 1988 | 13 | 0 |
| 1989 | 14 | 0 |
| 1990 | 12 | 0 |
| 1991 | 14 | 0 |
| 1992 | 23 | 0 |
| 1993 | 22 | 0 |
| 1994 | 29 | 0 |
| 1995 | 29 | 0 |
| 1996 | 27 | 0 |
| 1997 | 13 | 0 |
| 1998 | 22 | 0 |
| 1999 | 26 | 0 |
| 2000 | 34 | 0 |
| 2001 | 25 | 11 |
| 2002 | 27 | 11 |
| 2003 | 24 | 17 |
| 2004 | 19 | 24 |
| 2005 | 19 | 28 |
| 2006 | 25 | 33 |
| 2007 | 22 | 36 |
| 2008 | 22 | 38 |
| 2009 | 24 | 31 |
| 2010 | 23 | 35 |
| 2011 | 25 | 42 |
| 2012 | 24 | 38 |
| 2013 | 19 | 64 |
| 2014 | 42 | 67 |
| 2015 | 50 | 67 |
| 2016 | 58 | 93 |
| 2017 | 71 | 89 |
| 2018 | 78 | 131 |
| 2019 | 121 | 126 |
| 2020 | 114 | 131 |
| 2021 | 109 | 130 |
| 2022 | 128 | 145 |
| 2023 | 113 | 104 |
| 2024 | 114 | 104 |
| 2025 | 88 | 79 |
| 2026 | 59 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for monitoring vacuum valve closing condition in vacuum processing system29 Sep 2026US 12,748,012 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Equipment inspection system22 Sep 2026US 12,742,698 B2SMC Corporation
- Method and system for unobstrusive automatic leak event detection in real-time conduit by template selection15 Sep 2026US 12,736,433 B2Tata Consultancy Services Limited
- Sensors, multiplexed communication techniques, and related systems8 Sep 2026US 12,729,677 B2CoolIT Systems, Inc.
- Monitoring system for detecting leaks using a system of flow rate sensors and smart valves1 Sep 2026US 12,723,382 B2Alarm.com Incorporated
- Fuel, communications, and power connection systems and related methods8 Oct 2026US 2026/0309574 A1BJ Energy Solutions, LLC
- Semiconductor wafer processing tool with improved leak check8 Oct 2026US 2026/0314308 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Control valve seat leak detection method20 Aug 2026US 2026/0243623 A1Fujikin Incorporated
- Defective point estimation method and liquid chromatograph20 Aug 2026US 2026/0243738 A1Hitachi High-Tech Corporation
- Disengagement test system and method for a pump13 Aug 2026US 2026/0235129 A1Xi'an Space Engine Company Limited
Most cited
By later US patents
- Fluid control system for a medical device277US 8,206,345 B2Medtronic CryoCath LP · 2012
- Fluid control system for a medical device273US 8,225,643 B2Medtronic CryoCath LP · 2012
- Method and system for mobile distribution station173US 10,196,258 B2Fuel Automation Station, LLC · 2019
- Method for locating leaks in a fluid pipeline and apparatus therefore155US 5,272,646 A1993
- System for monitoring pipelines153US 4,796,466 A1989