G01N 21/766
Of gases
Official title: {of gases}
G01N21/766 (Of gases) appears on 138 US grants and 74 published applications in this corpus.
Search patents in G01N- Granted patents
- 138
- Published applications
- 74
- Assignees
- 88
- Inventors
- 286
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 3 | 0 |
| 2004 | 2 | 6 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 2 | 3 |
| 2013 | 4 | 2 |
| 2014 | 3 | 4 |
| 2015 | 2 | 3 |
| 2016 | 4 | 3 |
| 2017 | 2 | 1 |
| 2018 | 2 | 6 |
| 2019 | 1 | 2 |
| 2020 | 4 | 11 |
| 2021 | 6 | 5 |
| 2022 | 6 | 6 |
| 2023 | 4 | 5 |
| 2024 | 0 | 0 |
| 2025 | 5 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices and methods for quantifying nitric oxide14 Jul 2026US 12,680,993 B2SaNOtize Research and Development Corp.
- Gas chromatography combustion furnace/tube structure for a sulfur chemiluminescence detector5 May 2026US 12,618,778 B2Shimadzu Corporation
- Exhaust gas analysis device, exhaust gas analysis method, and program storage medium for exhaust gas analysis device25 Nov 2025US 12,480,882 B2Horiba, Ltd.
- Sulfur chemiluminescence detector5 Aug 2025US 12,379,321 B2Shimadzu Corporation
- Gas chromatographic component analysis system and component detector including an oxidation-reduction furnace, reaction cell and photodetector1 Jul 2025US 12,345,651 B2Shimadzu Corporation
- Methods and systems for predicting substrate process emissions chemistry6 Aug 2026US 2026/0227337 A1APPLIED Materials.Inc.
- Bubble-resistant fluoropolymer-free sensor membrane, sensor spot containing the sensor membrane, sensor cap containing the sensor spot, and sensor containing the sensor cap18 Jun 2026US 2026/0168932 A1Endress+Hauser Conducta GmbH+Co. KG
- Devices and methods for quantifying nitric oxide28 Dec 2023US 2023/0417720 A1SaNOtize Research and Development Corp.
- Combustion Extraction Probe for Sulfur Chemiluminescence Detection7 Dec 2023US 2023/0393075 A1
- Exhaust gas analysis device, exhaust gas analysis method, and program storage medium for exhaust gas analysis device16 Nov 2023US 2023/0366827 A1Horiba, Ltd.
Most cited
By later US patents
- Process and apparatus for measuring gaseous fixed nitrogen species509US 4,333,735 AExxon Research & Engineering Co. · 1982
- System for detecting base contaminants in air504US 6,096,267 AExtraction Systems, Inc. · 2000
- Indirect endpoint detection by chemical reaction and chemiluminescence486US 6,126,848 AInternational Business Machines Corporation · 2000
- Apparatus for observing combustion conditions in a gas turbine engine64US 7,484,369 B2Rosemount Aerospace Inc. · 2009
- Methods for near simultaneous chemiluminescent sulfur and nitrogen detection47US 5,916,523 AAntek Instruments, Inc. · 1999