G01N 33/0018
By diluting a gas
Official title: {by diluting a gas}
G01N33/0018 (By diluting a gas) appears on 78 US grants and 65 published applications in this corpus.
Search patents in G01N- Granted patents
- 78
- Published applications
- 65
- Assignees
- 69
- Inventors
- 204
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 5 | 5 |
| 2003 | 5 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 3 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 6 |
| 2016 | 1 | 1 |
| 2017 | 3 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 6 |
| 2020 | 3 | 6 |
| 2021 | 3 | 3 |
| 2022 | 4 | 4 |
| 2023 | 3 | 3 |
| 2024 | 3 | 4 |
| 2025 | 4 | 1 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for collecting odor data and method for collecting odor data using the same19 May 2026US 12,631,608 B2Hyundai Motor Company
- Exhaust gas analyzing device, gas supply method, and exhaust gas sampling device17 Feb 2026US 12,553,873 B2Horiba, Ltd.
- Diluter, analysis system, and analysis method13 Jan 2026US 12,523,581 B2Horiba, Ltd.
- Verification method for an oxygen reduction system16 Dec 2025US 12,499,500 B2Wagner Group GmbH
- Chemical sensor system25 Nov 2025US 12,480,923 B2Kabushiki Kaisha Toshiba
- Gas Detection System with Enhanced Selectivity9 Jul 2026US 2026/0194503 A1Industry-Academic Cooperation Foundation, Yonsei University
- Calibration of mercury detection systems18 Jun 2026US 2026/0168972 A1Utah State University
- Gas Collection Device14 May 2026US 2026/0133099 A1LG Energy Solution, Ltd.
- Device for measuring odor12 Feb 2026US 2026/0043778 A1Hyundai Motor Company
- Gas collection device16 Jan 2025US 2025/0020551 A1LG Energy Solution, Ltd.
Most cited
By later US patents
- Method and apparatus for providing diluted gas to exhaust emission analyzer41US 5,756,360 AHoriba Instruments, Inc. · 1998
- Method and apparatus for providing diluent gas to exhaust emission analyzer35US 6,200,819 B1Horiba Instruments, Inc. · 2001
- Apparatus for producing standard gas mixtures33US 5,239,856 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1993
- Process and device for measuring a gas medium with a chemical sensor27US 5,569,838 ATesto AG · 1996
- Process for producing low-concentration gas mixtures, and apparatus for producing the same23US 5,054,309 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1991