G01N 33/0021
Involving the use of a carrier gas for transport to the sensor
Official title: {involving the use of a carrier gas for transport to the sensor}
G01N33/0021 (Involving the use of a carrier gas for transport to the sensor) appears on 34 US grants and 42 published applications in this corpus.
Search patents in G01N- Granted patents
- 34
- Published applications
- 42
- Assignees
- 39
- Inventors
- 102
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 2 | 1 |
| 2016 | 1 | 4 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 4 |
| 2020 | 2 | 1 |
| 2021 | 2 | 4 |
| 2022 | 2 | 2 |
| 2023 | 3 | 3 |
| 2024 | 3 | 7 |
| 2025 | 2 | 2 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Methods and apparatus for detection and identification of volatile materials and odors26US 4,563,893 A1986
- Odor identifying apparatus19US 6,494,077 B2Shimadzu Corporation · 2002
- Process for collecting for subsequent analysis a volatile composition of matter releasably bonded to a pliable porous rotating substrate17US 6,495,375 B2International Flavors & Fragrances Inc. · 2002
- Sensing system for detecting a substance in a dialysate15US 9,138,524 B2Temasek Polytechnic · 2015
- Odor measuring apparatus14US 6,439,026 B2Shimadzu Corporation · 2002