G01N 21/716
By measuring the radiation emitted by a test object treated by combustion
Official title: {by measuring the radiation emitted by a test object treated by combustion gases for investigating the composition of gas mixtures}
G01N21/716 (By measuring the radiation emitted by a test object treated by combustion) appears on 27 US grants and 27 published applications in this corpus.
Search patents in G01N- Granted patents
- 27
- Published applications
- 27
- Assignees
- 17
- Inventors
- 34
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 4 | 9 |
| 2020 | 4 | 7 |
| 2021 | 8 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Method and apparatus for indetification of counterfeit drugs, pharmaceuticals, or medicines22 Apr 2021US 2021/0116365 A1
- Laser absorption spectroscopy isotopic gas analyzer7 Jan 2021US 2021/0003503 A1
- Spatial image processing for enhanced gas imaging systems and methods17 Dec 2020US 2020/0393367 A1FLIR Systems, Inc.
- Optical absorption spectroscopy based gas analyzer systems and methods8 Oct 2020US 2020/0319098 A1
Most cited
By later US patents
- Method and combustor apparatus for sensing the level of a contaminant within a combustion flame94US 6,268,913 B1Siemens Westinghouse Power Corporation · 2001
- Method of measuring the ratio of isotopologue concentrations in the gas phase12US 10,234,381 B22019
- Optical absorption spectroscopy based gas analyzer systems and methods10US 10,401,281 B22019
- Method of monitoring cement kiln and the apparatus therefor10US 5,123,739 AMitsubishi Mining & Cement Co., Ltd. · 1992
- Laser absorption spectroscopy isotopic gas analyzer9US 10,330,592 B22019