G01M 3/223
For pipe joints or seals
Official title: {for pipe joints or seals}
G01M3/223 (For pipe joints or seals) appears on 93 US grants and 81 published applications in this corpus.
Search patents in G01M- Granted patents
- 93
- Published applications
- 81
- Assignees
- 77
- Inventors
- 190
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 3 | 3 |
| 2005 | 2 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 0 |
| 2013 | 1 | 4 |
| 2014 | 5 | 7 |
| 2015 | 6 | 11 |
| 2016 | 4 | 2 |
| 2017 | 3 | 3 |
| 2018 | 0 | 2 |
| 2019 | 3 | 3 |
| 2020 | 3 | 3 |
| 2021 | 3 | 8 |
| 2022 | 6 | 8 |
| 2023 | 3 | 3 |
| 2024 | 8 | 5 |
| 2025 | 3 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Equipment inspection system22 Sep 2026US 12,742,698 B2SMC Corporation
- Manifold14 Jul 2026US 12,680,903 B2Hyundai Motor Company
- Robotic systems and methods for tank seal inspection17 Feb 2026US 12,552,052 B2Board of Regents, The University of Texas System
- End fitting apparatus and method4 Nov 2025US 12,460,986 B2Baker Hughes Energy Technology UK Limited
- Sensor system with a leakage detector4 Mar 2025US 12,241,812 B2VEGA Grieshaber KG
- Apparatus, Systems and Methods to Monitor Methane Emissions from an Oil and Gas Production Tree6 Aug 2026US 2026/0227266 A1
- Container closure integrity testing method and system4 Jun 2026US 2026/0153401 A1Hoffmann-La Roche Inc.
- Weldment test system12 Jun 2025US 2025/0189402 A1Ultra Clean Holdings, Inc.
- Rubber product, test jig and test device for sealing member, and leakage detection member8 May 2025US 2025/0146897 A1Nok Corporation
- Manifold24 Apr 2025US 2025/0130132 A1Hyundai Motor Company
Most cited
By later US patents
- Automated data collection system for fugitive emission sources62US 5,479,359 AMetcalf & Eddy, Inc. · 1995
- Method and apparatus for externally and internally testing for leaks in connections between tubular members39US 5,209,105 A1993
- Protective steel membrane system and method of erection for secondary containment for an above ground storage tank34US 7,946,439 B1Tech Serv Inc. · 2011
- Leak test fitting33US 4,282,743 AThe United States of America as represented by the United States Department of Energy · 1981
- Methods and apparatuses for detection of properties of fluid conveyance systems33US 8,441,361 B2McAllister Technologies, LLC · 2013