G01M 3/202
Using mass spectrometer detection systems
Official title: {using mass spectrometer detection systems}
G01M3/202 (Using mass spectrometer detection systems) appears on 305 US grants and 244 published applications in this corpus.
Search patents in G01M- Granted patents
- 305
- Published applications
- 244
- Assignees
- 164
- Inventors
- 560
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 0 | 0 |
| 1988 | 8 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 3 |
| 2003 | 5 | 3 |
| 2004 | 4 | 4 |
| 2005 | 0 | 7 |
| 2006 | 3 | 7 |
| 2007 | 6 | 6 |
| 2008 | 3 | 14 |
| 2009 | 6 | 11 |
| 2010 | 8 | 6 |
| 2011 | 4 | 11 |
| 2012 | 8 | 12 |
| 2013 | 10 | 7 |
| 2014 | 10 | 4 |
| 2015 | 3 | 10 |
| 2016 | 6 | 14 |
| 2017 | 7 | 5 |
| 2018 | 9 | 18 |
| 2019 | 13 | 11 |
| 2020 | 13 | 19 |
| 2021 | 13 | 11 |
| 2022 | 18 | 18 |
| 2023 | 10 | 10 |
| 2024 | 9 | 15 |
| 2025 | 8 | 8 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas leak detection device and gas leak detection method for identifying a gas leak in a test object6 Oct 2026US 12,754,095 B2Inficon GmbH
- Leak detection device6 Oct 2026US 12,754,096 B2Inficon GmbH
- Reusable modified helium shroud soil vapor sampling system with an in-line helium detector8 Sep 2026US 12,730,029 B2Enthalpy Analytical, LLC
- Leak detectors25 Aug 2026US 12,716,803 B2Inficon GmbH
- Device for leakage detection via mass spectrometry, having a three-stage turbomolecular pump and a booster pump21 Jul 2026US 12,687,449 B2Inficon GmbH
- Leak detection system for battery cells1 Oct 2026US 2026/0302377 A1GM Global Technology Operations LLC
- Detecting device and method for inspecting the seal-tightness of sealed products17 Sep 2026US 2026/0276473 A1Pfeiffer Vacuum GmbH
- Method for measuring the ambient concentration of a light gas with a mass-spectrometric counterflow leak detection device27 Aug 2026US 2026/0251522 A1Inficon GmbH
- Leak testing apparatus for testing respiratory protective equipment and method therefor25 Jun 2026US 2026/0175057 A1
- Carrier gas leak detection system, and carrier gas leak detection method for leak detection on a test piece18 Jun 2026US 2026/0168881 A1Inficon GmbH
Most cited
By later US patents
- Alkali metal leak detection method and apparatus188US 3,969,077 AVarian Associates, Inc. · 1976
- Generation of high vacuums67US 4,172,477 ALeybold-Heraeus GmbH · 1979
- Method and apparatus for testing fluid-filled systems for leaks66US 4,918,975 ALeybold Aktiengesellschaft · 1990
- Method and apparatus for preconcentration for analysis purposes of trace constitutes in gases65US 5,142,143 AExtrel Corporation · 1992
- Method and apparatus for detection of vacuum leak64US 5,398,543 AHitachi Building Equipment Engineering Co., Ltd. · 1995