G01M 3/2869
For seals not incorporated in a pipe joint
Official title: {for seals not incorporated in a pipe joint}
G01M3/2869 (For seals not incorporated in a pipe joint) appears on 105 US grants and 91 published applications in this corpus.
Search patents in G01M- Granted patents
- 105
- Published applications
- 91
- Assignees
- 96
- Inventors
- 232
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 6 | 4 |
| 2004 | 3 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 2 |
| 2009 | 3 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 5 |
| 2016 | 2 | 7 |
| 2017 | 5 | 4 |
| 2018 | 5 | 4 |
| 2019 | 5 | 5 |
| 2020 | 5 | 6 |
| 2021 | 4 | 5 |
| 2022 | 4 | 7 |
| 2023 | 3 | 5 |
| 2024 | 7 | 6 |
| 2025 | 6 | 3 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas seal testing system25 Aug 2026US 12,716,311 B1
- Leak testing apparatus4 Aug 2026US 12,699,021 B2Vestas Aircoil A/S
- Performance testing device for piston rod sealing assembly16 Jun 2026US 12,656,220 B2Tsinghua University
- Robotic systems and methods for tank seal inspection17 Feb 2026US 12,552,052 B2Board of Regents, The University of Texas System
- Sealing arrangement11 Nov 2025US 12,467,539 B2Andritz Inc.
- 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
- Jig and method for detecting misassembly of gasket13 Aug 2026US 2026/0235469 A1Yazaki Corporation
- Interrogative programming assisted leak testing6 Aug 2026US 2026/0227273 A1Uson Corporation
- Method for checking the tightness of an element such as a fluid machine or a valve21 May 2026US 2026/0140007 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Testable bulkhead42US 5,295,760 A1994
- Leak detector for the dikes of nuclear cooling ponds38US 4,635,477 AAteliers de Constructions Electriques de Charleroi · 1987
- Pressure testing of tubular fitting installed to a ported wall29US 5,257,648 AAmerican Brass & Aluminum Foundry Co., Inc. · 1993
- Test cap unit for sealed fitting29US 5,273,077 AAmerican Brass & Aluminum Foundry Co., Inc. · 1993
- Portable vacuum test tool for detection of leaks in sealed gaps28US 5,404,747 AThe Boeing Company · 1995