F02M 26/46
For determining the characteristics of gases
Official title: for determining the characteristics of gases, e.g. composition
F02M26/46 (For determining the characteristics of gases) appears on 720 US grants and 673 published applications in this corpus.
Search patents in F02M- Granted patents
- 720
- Published applications
- 673
- Assignees
- 180
- Inventors
- 1,392
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 17 | 6 |
| 2002 | 25 | 25 |
| 2003 | 25 | 18 |
| 2004 | 23 | 32 |
| 2005 | 30 | 27 |
| 2006 | 29 | 31 |
| 2007 | 34 | 43 |
| 2008 | 28 | 26 |
| 2009 | 20 | 28 |
| 2010 | 22 | 33 |
| 2011 | 33 | 41 |
| 2012 | 23 | 38 |
| 2013 | 21 | 32 |
| 2014 | 25 | 36 |
| 2015 | 35 | 33 |
| 2016 | 35 | 53 |
| 2017 | 42 | 27 |
| 2018 | 35 | 38 |
| 2019 | 40 | 43 |
| 2020 | 44 | 25 |
| 2021 | 23 | 13 |
| 2022 | 20 | 12 |
| 2023 | 14 | 8 |
| 2024 | 8 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for reducing emissions21 Apr 2026US 12,607,153 B2General Electric Company
- Exhaust gas recirculation and aftertreatment control30 Dec 2025US 12,510,036 B2Perkins Engines Company Limited
- System and method for operating exhaust gas recirculation in gas turbines21 Oct 2025US 12,448,937 B1GE Vernova Infrastructure Technology LLC
- Method for controlling EGR rate (EGR) of a low pressure EGR system, system and vehicle10 Dec 2024US 12,163,482 B2Guangzhou Automobile Group Co., Ltd.
- Semi-closed cycle fault tolerant control system and method in an exhaust system29 Oct 2024US 12,129,818 B1Caterpillar Inc.
- Gas processing systems with emissions quantification19 Mar 2026US 2026/0078724 A1Inpro/Seal LLC
- System and method for operating exhaust gas recirculation in gas turbines22 Jan 2026US 2026/0022682 A1GE Vernova Infrastructure Technology LLC
- Exhaust gas recirculation device and exhaust gas recirculation method for internal combustion engine26 Jun 2025US 2025/0207547 A1Toyota Jidosha Kabushiki Kaisha
- Thermal management of an internal combustion engine31 Oct 2024US 2024/0360799 A1Perkins Engines Company Limited
- Global and individual cylinder control in engine system10 Oct 2024US 2024/0337223 A1Caterpillar Inc.
Most cited
By later US patents
- Valve selection for an engine operating in a multi-stroke cylinder mode179US 7,063,062 B2Ford Global Technologies, LLC · 2006
- Low emission, diesel-cycle engine158US 6,470,682 B2The United States of America as represented by the Administrator of the United States Environmental Protection Agency · 2002
- Low emission, diesel-cycle engine146US 6,301,888 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2001
- Apparatus and method for emissions containment and reduction118US 6,164,063 A2000
- System and method for monitoring and detecting faults in a closed-loop system118US 8,700,360 B2Cummins Intellectual Properties, Inc. · 2014