F05D 2270/08
To produce clean exhaust gases
Official title: to produce clean exhaust gases
F05D2270/08 (To produce clean exhaust gases) appears on 537 US grants and 649 published applications in this corpus.
Search patents in F05D- Granted patents
- 537
- Published applications
- 649
- Assignees
- 149
- Inventors
- 1,227
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 4 |
| 2003 | 4 | 5 |
| 2004 | 5 | 16 |
| 2005 | 9 | 11 |
| 2006 | 10 | 19 |
| 2007 | 12 | 26 |
| 2008 | 9 | 11 |
| 2009 | 15 | 25 |
| 2010 | 12 | 39 |
| 2011 | 16 | 26 |
| 2012 | 17 | 31 |
| 2013 | 35 | 38 |
| 2014 | 20 | 31 |
| 2015 | 21 | 55 |
| 2016 | 34 | 36 |
| 2017 | 37 | 47 |
| 2018 | 36 | 31 |
| 2019 | 32 | 18 |
| 2020 | 19 | 20 |
| 2021 | 28 | 20 |
| 2022 | 17 | 19 |
| 2023 | 27 | 28 |
| 2024 | 33 | 27 |
| 2025 | 26 | 45 |
| 2026 | 21 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power plant for controlling the renewable energy use in an LNG train18 Aug 2026US 12,710,013 B2
- System and method for controlling contrail formation14 Jul 2026US 12,680,501 B2Rtx Corporation
- Loading parameters23 Jun 2026US 12,662,970 B2ROLLS-ROYCE plc
- Steam injected inter-turbine burner engine16 Jun 2026US 12,655,788 B2Rtx Corporation
- System and method for mass flow control of an exhaust gas recirculation system of a gas turbine16 Jun 2026US 12,655,791 B1GE Vernova Infrastructure Technology LLC
- System and method for controlling contrail formation8 Oct 2026US 2026/0309079 A1Rtx Corporation
- Combustion system and control method8 Oct 2026US 2026/0309100 A1IHI Corporation
- Method for mapping contrail formation to engine performance characteristics24 Sep 2026US 2026/0286886 A1Pratt & Whitney Canada Corp.
- Ammonia slip mitigation systems and methods30 Jul 2026US 2026/0217576 A1CPV Power Holdings, LP
- Sensing system for gas turbine power plant exhaust30 Jul 2026US 2026/0219179 A1Mitsubishi Power Americas, Inc.
Most cited
By later US patents
- Modular fuel conditioning system175US 6,901,735 B2Pipeline Controls, Inc. · 2005
- Low pollution power generation system with ion transfer membrane air separation154US 6,945,029 B2Clean Energy Systems, Inc. · 2005
- Systems and methods for monitoring gas turbine systems having exhaust gas recirculation126US 9,617,914 B2ExxonMobil Upstream Research Company · 2017
- High efficiency low pollution hybrid Brayton cycle combustor124US 6,289,666 B1Ginter Vast Corporation · 2001
- Dual stage-dual mode low nox combustor113US 4,292,801 AGeneral Electric Company · 1981