G01M 3/34
By testing the possibility of maintaining the vacuum in containers
Official title: by testing the possibility of maintaining the vacuum in containers, e.g. in can-testing machines
G01M3/34 (By testing the possibility of maintaining the vacuum in containers) appears on 67 US grants and 56 published applications in this corpus.
Search patents in G01M- Granted patents
- 67
- Published applications
- 56
- Assignees
- 54
- Inventors
- 145
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 6 |
| 2013 | 7 | 4 |
| 2014 | 2 | 6 |
| 2015 | 4 | 3 |
| 2016 | 4 | 4 |
| 2017 | 5 | 3 |
| 2018 | 1 | 3 |
| 2019 | 4 | 3 |
| 2020 | 2 | 4 |
| 2021 | 6 | 3 |
| 2022 | 0 | 2 |
| 2023 | 2 | 5 |
| 2024 | 3 | 2 |
| 2025 | 3 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible fluid connection for evaporative emissions system12 May 2026US 12,624,674 B2Stoneridge Control Devices, Inc.
- Vacuum-based leak detection25 Nov 2025US 12,480,832 B2Robert Bosch GmbH
- Vacuum-helium-leak-detection method based on carbon-nanotube-based field-emission sensor15 Apr 2025US 12,276,576 B2Wenzhou University
- Low power memristive vacuum sensor4 Feb 2025US 12,216,026 B2Khalifa University of Science and Technology
- System and method for leak testing a sealed package15 Oct 2024US 12,117,369 B2Packaging Technologies and Inspection, LLC
- Leak detection in a viscous flow24 Apr 2025US 2025/0130133 A1Inficon GmbH
- Testing for an air leak in a controlled atmosphere container20 Feb 2025US 2025/0060270 A1Maersk Container Industry A/S
- Device for detecting leaks for motor vehicle battery pack17 Oct 2024US 2024/0347779 A1Ateq
- Flexible fluid connection for evaporative emissions system30 May 2024US 2024/0175413 A1Stoneridge Control Devices, Inc.
- System and Method for Leak Testing a Sealed Package21 Dec 2023US 2023/0408365 A1Packaging Technologies and Inspection, LLC
Most cited
By later US patents
- Method of and apparatus for measuring the rate of leak32US 4,320,653 AArthur Pfeiffer Vakuumtechnik Wetzlar GmbH · 1982
- Respirator test accessory32US 8,708,708 B1TSI Incorporated · 2014
- Containers26US 5,516,562 ARhone-Poulenc Agriculture Ltd. · 1996
- Pressure leak detection device23US 5,201,213 A1993
- System and method for performing evaporative leak diagnostics in a vehicle23US 8,560,167 B2Ford Global Technologies, LLC · 2013