G01N 2001/2229
Headspace sampling, i.e. vapour over liquid
Official title: {Headspace sampling, i.e. vapour over liquid}
G01N2001/2229 (Headspace sampling, i.e. vapour over liquid) appears on 190 US grants and 130 published applications in this corpus.
Search patents in G01N- Granted patents
- 190
- Published applications
- 130
- Assignees
- 135
- Inventors
- 386
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 1 |
| 2002 | 12 | 6 |
| 2003 | 3 | 6 |
| 2004 | 7 | 8 |
| 2005 | 7 | 5 |
| 2006 | 2 | 10 |
| 2007 | 1 | 5 |
| 2008 | 3 | 1 |
| 2009 | 4 | 4 |
| 2010 | 3 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 3 | 2 |
| 2014 | 3 | 5 |
| 2015 | 3 | 5 |
| 2016 | 1 | 12 |
| 2017 | 8 | 5 |
| 2018 | 7 | 6 |
| 2019 | 10 | 8 |
| 2020 | 3 | 9 |
| 2021 | 4 | 2 |
| 2022 | 4 | 6 |
| 2023 | 5 | 7 |
| 2024 | 5 | 6 |
| 2025 | 4 | 2 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ion molecule reactor and setup for analyzing complex mixtures23 Jun 2026US 12,665,180 B2Tofwerk AG
- Apparatus and method for degassing a device, and corresponding test system for gas analysis19 May 2026US 12,629,613 B2Omicron Electronics GmbH
- Device and method for the analytical and sensory determination of the release of an active substance from a release system12 May 2026US 12,625,123 B2Symrise AG
- Gas analysis device7 Apr 2026US 12,597,647 B2LG Energy Solution, Ltd.
- Apparatus and method for degassing a device, and corresponding test system for gas analysis24 Mar 2026US 12,582,927 B2Omicron Electronics GmbH
- Rapid screening of volatile chemicals with proton transfer reaction mass spectrometry1 Oct 2026US 2026/0298777 A1Purdue Research Foundation
- Fluid sampling system and method12 Feb 2026US 2026/0043722 A1
- Food Quality Indicator18 Sep 2025US 2025/0290906 A1Innoscentia AB
- Method to determine the packaging time of an edible oil extracted from olives30 Jan 2025US 2025/0035605 A1Agritalia S.P.A.
- Device for taking a sample of gas14 Nov 2024US 2024/0377288 A1Air Liquide France Industrie
Most cited
By later US patents
- Chemical detector145US 5,490,971 ASippican, Inc. · 1996
- Autosampler with robot arm111US 5,948,360 ATekmar Company · 1999
- Chromatographic technique and apparatus83US 5,135,549 ABoard of Trustees of Southern Illinois University · 1992
- Gas chromatographic system with controlled sample transfer71US 5,711,786 AThe Perkin-Elmer Corporation · 1998
- Probe with integral vent, sampling port and filter element68US 6,948,391 B2Nuclear Filter Technology, Inc. · 2005