G01N 27/4065
Circuit arrangements specially adapted therefor
Official title: {Circuit arrangements specially adapted therefor}
G01N27/4065 (Circuit arrangements specially adapted therefor) appears on 426 US grants and 238 published applications in this corpus.
Search patents in G01N- Granted patents
- 426
- Published applications
- 238
- Assignees
- 129
- Inventors
- 718
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 4 | 0 |
| 1985 | 15 | 0 |
| 1986 | 20 | 0 |
| 1987 | 14 | 0 |
| 1988 | 26 | 0 |
| 1989 | 19 | 0 |
| 1990 | 17 | 0 |
| 1991 | 14 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 6 | 2 |
| 2003 | 4 | 4 |
| 2004 | 3 | 2 |
| 2005 | 1 | 8 |
| 2006 | 3 | 4 |
| 2007 | 1 | 3 |
| 2008 | 2 | 10 |
| 2009 | 4 | 8 |
| 2010 | 4 | 5 |
| 2011 | 5 | 10 |
| 2012 | 6 | 9 |
| 2013 | 6 | 12 |
| 2014 | 11 | 12 |
| 2015 | 5 | 17 |
| 2016 | 12 | 23 |
| 2017 | 17 | 18 |
| 2018 | 19 | 17 |
| 2019 | 18 | 11 |
| 2020 | 20 | 12 |
| 2021 | 4 | 12 |
| 2022 | 9 | 9 |
| 2023 | 4 | 11 |
| 2024 | 7 | 3 |
| 2025 | 10 | 7 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inspection apparatus and inspection method30 Jun 2026US 12,669,463 B2Tokyo Electron Limited
- Mems-based alcohol sensor and intelligent device16 Jun 2026US 12,656,296 B2Shenzhen Everbest Machinery Industry Co., Ltd.
- CO2 mass estimation system, exhaust gas composition ratio estimation method, and CO2 mass estimation method12 May 2026US 12,625,107 B2NGK Insulators, Ltd.
- Gas sensor and method of identifying deviation of reference potential of the same5 May 2026US 12,618,799 B2NGK Insulators, Ltd.
- Gas sensor7 Apr 2026US 12,596,090 B2NGK Insulators, Ltd.
- Sensor With Long-Term Stability17 Sep 2026US 2026/0276579 A1Siemens Aktiengesellschaft
- Co2 mass estimation system, exhaust gas composition ratio estimation method, and co2 mass estimation method17 Sep 2026US 2026/0276581 A1NGK Insulators, Ltd.
- Gas sensor, control device and control method for gas sensor10 Sep 2026US 2026/0266757 A1NGK Insulators, Ltd.
- Gas sensor and control method of gas sensor10 Sep 2026US 2026/0266759 A1NGK Insulators, Ltd.
- Method for operating a sensor for detecting at least one property of a measured gas in a measurement gas chamber5 Feb 2026US 2026/0036545 A1
Most cited
By later US patents
- Device for measuring concentration of nitrogen oxide in combustion gas455US 5,034,112 ANissan Motor Co., Ltd. · 1991
- NOx sensor having catalyst for decomposing NOx71US 4,927,517 ANGK Insulators, Ltd. · 1990
- Steady state mode oxygen sensor and method69US 4,272,329 AFord Motor Company · 1981
- Diagnostic method and apparatus for solid electrolyte gas analyzer56US 5,980,728 ARosemont Analytical Inc. · 1999
- Air-fuel ratio detecting device and method54US 5,925,088 AToyota Jidosha Kabushiki Kaisha · 1999