G01N 2021/1704
In gases
Official title: {in gases}
G01N2021/1704 (In gases) appears on 321 US grants and 374 published applications in this corpus.
Search patents in G01N- Granted patents
- 321
- Published applications
- 374
- Assignees
- 198
- Inventors
- 695
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 3 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 5 | 10 |
| 2007 | 5 | 4 |
| 2008 | 3 | 14 |
| 2009 | 5 | 11 |
| 2010 | 11 | 15 |
| 2011 | 5 | 10 |
| 2012 | 9 | 18 |
| 2013 | 17 | 9 |
| 2014 | 9 | 4 |
| 2015 | 3 | 9 |
| 2016 | 6 | 16 |
| 2017 | 16 | 15 |
| 2018 | 5 | 23 |
| 2019 | 26 | 34 |
| 2020 | 28 | 29 |
| 2021 | 30 | 39 |
| 2022 | 19 | 21 |
| 2023 | 26 | 26 |
| 2024 | 21 | 28 |
| 2025 | 15 | 20 |
| 2026 | 18 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical concentration measuring device and signal processor29 Sep 2026US 12,747,983 B2Asahi Kasei Microdevices Corporation
- Aerosol sensor and an integrated optical component thereof29 Sep 2026US 12,748,055 B2Honeywell International Inc.
- Vibration damped sensor device8 Sep 2026US 12,730,061 B2Sensirion Connected Solutions AG
- Gas sensor1 Sep 2026US 12,723,973 B2Aac Acoustic Technologies (Shenzhen) Co., Ltd.
- Photoacoustic gas sensor device30 Jun 2026US 12,669,430 B2Sensirion AG
- Microsystem Comprising a Flexurally Movable Beam and Multiple Stops8 Oct 2026US 2026/0309479 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Optical concentration measuring device24 Sep 2026US 2026/0287496 A1Asahi Kasei Microdevices Corporation
- Light-guiding member and gas sensor13 Aug 2026US 2026/0235514 A1Asahi Kasei Microdevices Corporation
- A device for analysis of a test object using photo-acoustic effect and a method for controlling inducing of a photo-acoustic effect30 Jul 2026US 2026/0219237 A1Imec Vzw
- Assembly and method for detecting and/or determining the concentration of one or more substances in a liquid or gaseous medium16 Jul 2026US 2026/0202316 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
Most cited
By later US patents
- Method and apparatus for analyzing components of hydrocarbon gases recovered from oil, natural gas and coal drilling operations71US 4,492,862 AMathematical Sciences Northwest, Inc. · 1985
- Optoacoustic gas sensor57US 6,006,585 ACerberus AG · 1999
- System and method for detection of a biological condition49US 6,363,772 B1Quadrivium, L.L.C. · 2002
- Mid-IR instrument for analyzing a gaseous sample and method for using the same44US 7,606,274 B2The UAB Research Foundation · 2009
- Method and apparatus for the detection and measurement of gases43US 4,622,845 AWestinghouse Electric Corp. · 1986