G01N 27/4162
Investigating the composition of gases, by the influence exerted on ionic conductivity
Official title: {investigating the composition of gases, by the influence exerted on ionic conductivity in a liquid (conductometry in general G01N27/06; amperometric gas sensors G01N27/404)}
G01N27/4162 (Investigating the composition of gases, by the influence exerted on ionic conductivity) appears on 131 US grants and 113 published applications in this corpus.
Search patents in G01N- Granted patents
- 131
- Published applications
- 113
- Assignees
- 129
- Inventors
- 406
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 3 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 5 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 1 | 3 |
| 2015 | 1 | 5 |
| 2016 | 2 | 1 |
| 2017 | 2 | 9 |
| 2018 | 7 | 12 |
| 2019 | 8 | 7 |
| 2020 | 9 | 16 |
| 2021 | 6 | 8 |
| 2022 | 9 | 7 |
| 2023 | 8 | 6 |
| 2024 | 4 | 7 |
| 2025 | 4 | 5 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Gas sensor and gas sensor system301US 6,370,941 B1Nihon Kohden Corporation · 2002
- Multi-analyte sensing electrolytic cell145US 5,183,549 ACommTech International Management Corporation · 1993
- Solid state gas sensor and filter assembly72US 5,841,021 A1998
- Electrode device69US 4,324,256 ARadiometer A/S · 1982
- Gas sensor64US 5,376,255 ASiemens Aktiengesellschaft · 1994