G01M 3/329
For verifying the internal pressure of closed containers
Official title: {for verifying the internal pressure of closed containers}
G01M3/329 (For verifying the internal pressure of closed containers) appears on 105 US grants and 77 published applications in this corpus.
Search patents in G01M- Granted patents
- 105
- Published applications
- 77
- Assignees
- 62
- Inventors
- 197
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 4 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 5 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 2 | 4 |
| 2014 | 2 | 7 |
| 2015 | 6 | 6 |
| 2016 | 2 | 5 |
| 2017 | 6 | 1 |
| 2018 | 4 | 4 |
| 2019 | 2 | 5 |
| 2020 | 5 | 2 |
| 2021 | 4 | 4 |
| 2022 | 2 | 6 |
| 2023 | 3 | 4 |
| 2024 | 3 | 2 |
| 2025 | 6 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vacuum-based leak detection25 Nov 2025US 12,480,832 B2Robert Bosch GmbH
- System for detecting leaks and associated method25 Nov 2025US 12,480,834 B2Ateq
- Apparatus for analyzing battery case28 Oct 2025US 12,456,761 B2LG Energy Solution, Ltd.
- System and method for dynamic signal processing for vacuum decay leak detection25 Mar 2025US 12,259,301 B2Packaging Technologies and Inspection, LLC
- Monitoring system for a radon mitigation system4 Mar 2025US 12,241,802 B2
- Leak-detecting device and leak-detecting method for detecting a gas leak in a test object27 Aug 2026US 2026/0251523 A1Inficon GmbH
- Air tightness check method and test system26 Mar 2026US 2026/0085991 A1Contemporary Amperex Technology (Hong Kong) Limited
- Waterproofing test apparatus available for various types of semi-finished products26 Feb 2026US 2026/0056076 A1Dmc, Inc
- Helium detection system and method18 Sep 2025US 2025/0293318 A1Contemporary Amperex Technology Co., Limited
- Battery test tooling, and use method and control method for battery test tooling10 Apr 2025US 2025/0116567 A1Contemporary Amperex Technology Co., Limited
Most cited
By later US patents
- Method and apparatus of nondestructive testing a sealed product for leaks64US 6,308,556 B1ATC, Inc. · 2001
- Method and apparatus for leak testing a container56US 5,513,516 AVisi-Pack, Inc. · 1996
- Method for leak testing and leak testing apparatus51US 6,082,184 A2000
- Method and apparatus of nondestructive testing a sealed product for leaks46US 6,584,828 B2ATC, Inc. · 2003
- Apparatus and process for inspecting sealed packages43US 6,105,419 ARecot, Inc. · 2000