F22B 1/1807
Using the exhaust gases of combustion engines
Official title: {using the exhaust gases of combustion engines}
F22B1/1807 (Using the exhaust gases of combustion engines) appears on 320 US grants and 302 published applications in this corpus.
Search patents in F22B- Granted patents
- 320
- Published applications
- 302
- Assignees
- 173
- Inventors
- 781
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 3 |
| 2002 | 6 | 2 |
| 2003 | 3 | 4 |
| 2004 | 2 | 7 |
| 2005 | 8 | 6 |
| 2006 | 9 | 11 |
| 2007 | 6 | 10 |
| 2008 | 5 | 4 |
| 2009 | 5 | 4 |
| 2010 | 4 | 12 |
| 2011 | 0 | 18 |
| 2012 | 8 | 20 |
| 2013 | 13 | 24 |
| 2014 | 15 | 26 |
| 2015 | 17 | 16 |
| 2016 | 14 | 21 |
| 2017 | 16 | 20 |
| 2018 | 14 | 20 |
| 2019 | 24 | 21 |
| 2020 | 15 | 15 |
| 2021 | 24 | 11 |
| 2022 | 15 | 9 |
| 2023 | 10 | 3 |
| 2024 | 5 | 7 |
| 2025 | 4 | 3 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Installation for producing electricity or mechanical power, comprising a combined cycle gas turbine, and CO2 capture and water electrolysis units14 Apr 2026US 12,601,284 B2Totalenergies Onetech
- Parallel heat recovery in gas power generation10 Feb 2026US 12,546,236 B2Numerical Analysis Inc.
- Ship cogeneration system using waste heat of LNG engine ship recovered through economizer10 Feb 2026US 12,546,237 B2Korea Institute of Ocean Science & Technology
- System and method for top platform assembly of heat recovery steam generator (HRSG)27 May 2025US 12,313,255 B2GE Infrastructure Technology LLC
- Inlet duct system for a heat recovery steam generator18 Mar 2025US 12,253,004 B1GE Infrastructure Technology LLC
- Hot steam generator and system for printing a substrate20 Aug 2026US 2026/0243011 A1Canon Kabushiki Kaisha
- System for reheat steam temperature turndown control in heat recovery steam generators23 Jul 2026US 2026/0210275 A1General Electric Technology GmbH
- Integrated once through cooler water and steam sharing system for multi-unit gas turbine combined cycle power blocks23 Apr 2026US 2026/0110255 A1ACWA POWER Company
- System and method for treating wastewater from an oilfield well with co-production of power26 Feb 2026US 2026/0055009 A1Nuovo Pignone Tecnologie Srl
- Installation for producing electricity or mechanical power, comprising a combined cycle gas turbine, and co2 capture and water electrolysis units5 Feb 2026US 2026/0036069 A1Totalenergies Onetech
Most cited
By later US patents
- Mobile congeneration apparatus including inventive valve and boiler216US 5,517,822 AApplied Energy Systems of Oklahoma, Inc. · 1996
- Outlet silencer and heat recovery structures for gas turbine177US 6,851,514 B2Air Handling Engineering Ltd. · 2005
- Boiler system useful in mobile cogeneration apparatus158US 5,626,103 AApplied Energy Systems of Oklahoma, Inc. · 1997
- Waste-heat steam generator69US 6,173,679 B1Siemens Aktiengesellschaft · 2001
- Heat recovery steam generator53US 5,881,551 ACombustion Engineering, Inc. · 1999