G01N 33/0013
By a chemical reaction
Official title: {by a chemical reaction (a chemical reaction taking place or a gas being eliminated in one or more analysing channels G01N33/0024)}
G01N33/0013 (By a chemical reaction) appears on 188 US grants and 171 published applications in this corpus.
Search patents in G01N- Granted patents
- 188
- Published applications
- 171
- Assignees
- 175
- Inventors
- 571
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 3 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 9 |
| 2005 | 4 | 6 |
| 2006 | 1 | 5 |
| 2007 | 3 | 6 |
| 2008 | 5 | 4 |
| 2009 | 3 | 6 |
| 2010 | 6 | 6 |
| 2011 | 3 | 6 |
| 2012 | 0 | 6 |
| 2013 | 5 | 8 |
| 2014 | 5 | 5 |
| 2015 | 4 | 2 |
| 2016 | 3 | 16 |
| 2017 | 2 | 7 |
| 2018 | 8 | 14 |
| 2019 | 10 | 9 |
| 2020 | 8 | 8 |
| 2021 | 3 | 6 |
| 2022 | 4 | 7 |
| 2023 | 8 | 11 |
| 2024 | 5 | 8 |
| 2025 | 12 | 5 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas detector devices and methods of making and use thereof22 Sep 2026US 12,742,759 B2Board of Regents, The University of Texas System
- Optical hydrogen detector employing controlled water vapor concentration over catalyst30 Jun 2026US 12,669,487 B2Aerodyne Research, Inc.
- Gas measuring device9 Jun 2026US 12,650,396 B2National University Corporation Toyohashi University of Technology
- Gas measuring device and method for measuring cyanogen in the presence of hydrogen cyanide24 Mar 2026US 12,584,877 B2Dräger Safety AG & Co. KGaA
- Inspection apparatus9 Dec 2025US 12,493,021 B2Shimadzu Corporation
- Sulfur detector and fuel processing system including the same10 Sep 2026US 2026/0266786 A1Bloom Energy Corporation
- Systems and Methods for Low-Carbon Creation of Reactive Media23 Jul 2026US 2026/0210926 A1Thalo Labs, Inc.
- Apparatus for Detecting Moisture Penetration2 Apr 2026US 2026/0092828 A1Mercedes-Benz Group AG
- Device and method for assessing reduction degree of iron ore in a mixed reducing atmosphere2 Apr 2026US 2026/0092847 A1National Cheng Kung University
- Flame Atomic Absorption Photometer26 Mar 2026US 2026/0086025 A1Shimadzu Corporation
Most cited
By later US patents
- SO.sub.2 sensor181US 5,338,515 ACatalytica, Inc. · 1994
- Method and apparatus for determining the Wobbe index of gaseous fuels62US 4,359,284 AHoneywell Inc. · 1982
- High performance liquid chromatography (HPLC) analysis of sulfur mustards and their decomposition by-products by derivatization40US 4,565,787 AThe United States of America as represented by the Secretary of the Army · 1986
- Method of identifying a gas36US 6,165,347 AIndustrial Scientific Corporation · 2000
- Methods of monitoring a combustion system29US 4,372,155 AFord Motor Company · 1983