G01N 25/36
For investigating the composition of gas mixtures
Official title: for investigating the composition of gas mixtures
G01N25/36 (For investigating the composition of gas mixtures) appears on 17 US grants and 11 published applications in this corpus.
Search patents in G01N- Granted patents
- 17
- Published applications
- 11
- Assignees
- 20
- Inventors
- 49
- Latest grant
- 18 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 3 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Trace detection of chemical compounds via catalytic decomposition and redox reactions18 Jul 2023US 11,703,471 B1University of Rhode Island Board of Trustees
- Composition analysis apparatus and composition analysis method7 Dec 2021US 11,193,917 B2Riken Keiki Co., Ltd.
- Method and measuring apparatus for determining physical properties of gas27 Oct 2020US 10,816,525 B2Mems AG
- System for sensing and controlling fuel gas constituent levels17 Oct 2017US 9,790,883 B2Caterpillar Inc.
- Method and measuring apparatus for determining physical properties of gas4 Apr 2017US 9,612,229 B2Mems AG
- Composition analysis device and composition analysis method for fuel gas, prime mover control device including composition analysis device, and prime mover control method including composition analysis method19 Oct 2023US 2023/0333077 A1Mitsubishi Heavy Industries, Ltd.
- Composition analysis apparatus and composition analysis method26 Aug 2021US 2021/0262996 A1Riken Keiki Co., Ltd.
- Method and measuring apparatus for determining physical properties of gas14 Sep 2017US 2017/0261480 A1Mems AG
- Method and measuring apparatus for determining physical properties of gas22 Jun 2017US 2017/0176405 A1Mems AG
- System for sensing and controlling fuel gas constituent levels26 Jan 2017US 2017/0022919 A1Caterpillar Inc.
Most cited
By later US patents
- SO.sub.2 sensor181US 5,338,515 ACatalytica, Inc. · 1994
- Microcalorimeter sensor for the measurement of heat content of natural gas15US 5,012,432 AGas Research Institute · 1991
- Apparatus and method for spectroscopic measurement as a deflection of a bimorph carrying a sample that is heated by radiation15US 5,737,086 AInternational Business Machines Corporation · 1998
- Carbon monoxide removal from reformate gas14US 7,189,373 B2Nissan Motor Co., Ltd. · 2007
- Microcalorimeter sensor for the measurement of heat content of natural gas13US 5,494,826 AGas Research Institute · 1996