G01N 1/2226
Sampling from a closed space
Official title: {Sampling from a closed space, e.g. food package, head space}
G01N1/2226 (Sampling from a closed space) appears on 507 US grants and 466 published applications in this corpus.
Search patents in G01N- Granted patents
- 507
- Published applications
- 466
- Assignees
- 390
- Inventors
- 1,211
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 17 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 12 | 0 |
| 2001 | 14 | 2 |
| 2002 | 18 | 15 |
| 2003 | 15 | 17 |
| 2004 | 11 | 22 |
| 2005 | 13 | 11 |
| 2006 | 13 | 22 |
| 2007 | 12 | 12 |
| 2008 | 7 | 10 |
| 2009 | 5 | 11 |
| 2010 | 11 | 12 |
| 2011 | 6 | 11 |
| 2012 | 11 | 15 |
| 2013 | 10 | 10 |
| 2014 | 14 | 15 |
| 2015 | 8 | 16 |
| 2016 | 10 | 25 |
| 2017 | 25 | 21 |
| 2018 | 23 | 19 |
| 2019 | 17 | 21 |
| 2020 | 21 | 32 |
| 2021 | 13 | 28 |
| 2022 | 19 | 29 |
| 2023 | 26 | 25 |
| 2024 | 20 | 26 |
| 2025 | 22 | 25 |
| 2026 | 16 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dew point sensing in semiconductor processing system load locks18 Aug 2026US 12,710,341 B2ASM IP Holding B. V.
- Apparatus and method for examining containers for impurities28 Jul 2026US 12,693,237 B2Unisensor Sensorsysteme GmbH
- Ion molecule reactor and setup for analyzing complex mixtures23 Jun 2026US 12,665,180 B2Tofwerk AG
- Apparatus for measuring odor2 Jun 2026US 12,644,872 B2Hyundai Motor Company
- Apparatus and method for degassing a device, and corresponding test system for gas analysis19 May 2026US 12,629,613 B2Omicron Electronics GmbH
- Rapid screening of volatile chemicals with proton transfer reaction mass spectrometry1 Oct 2026US 2026/0298777 A1Purdue Research Foundation
- Gas Collection Device and Gas Analysis Device Using Same17 Sep 2026US 2026/0276488 A1LG Energy Solution, Ltd.
- Gas Collection Device14 May 2026US 2026/0133099 A1LG Energy Solution, Ltd.
- Collection apparatus, measurement system, collection method, and measurement method for particulate material30 Apr 2026US 2026/0118228 A1Railway Technical Research Institute
- Exhaled breath detection apparatus, calibration information generation apparatus, and non-transitory computer-readable medium30 Apr 2026US 2026/0118327 A1Asahi Kasei Microdevices Corporation
Most cited
By later US patents
- Probe for taking gas samples and heat measurements in a shaft furnace485US 5,108,192 APaul Wurth S. A. · 1992
- Chemical detector145US 5,490,971 ASippican, Inc. · 1996
- Method and apparatus for sample analysis143US 6,865,926 B2State of Oregon acting by and through the State Board of Higher Education on behalf of Portland State University · 2005
- Autosampler with robot arm111US 5,948,360 ATekmar Company · 1999
- Detecting concealed security threats104US 7,188,513 B22007