F02K 1/822
Heat insulating structures or liners, cooling arrangements
Official title: {Heat insulating structures or liners, cooling arrangements, e.g. post combustion liners; Infrared radiation suppressors}
F02K1/822 (Heat insulating structures or liners, cooling arrangements) appears on 522 US grants and 401 published applications in this corpus.
Search patents in F02K- Granted patents
- 522
- Published applications
- 401
- Assignees
- 135
- Inventors
- 942
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 14 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 15 | 0 |
| 1998 | 10 | 0 |
| 1999 | 3 | 0 |
| 2000 | 13 | 0 |
| 2001 | 12 | 1 |
| 2002 | 5 | 1 |
| 2003 | 0 | 4 |
| 2004 | 4 | 3 |
| 2005 | 5 | 20 |
| 2006 | 8 | 16 |
| 2007 | 10 | 14 |
| 2008 | 5 | 14 |
| 2009 | 13 | 23 |
| 2010 | 15 | 12 |
| 2011 | 15 | 13 |
| 2012 | 10 | 8 |
| 2013 | 11 | 16 |
| 2014 | 10 | 31 |
| 2015 | 17 | 15 |
| 2016 | 13 | 38 |
| 2017 | 22 | 17 |
| 2018 | 27 | 27 |
| 2019 | 27 | 24 |
| 2020 | 28 | 18 |
| 2021 | 18 | 17 |
| 2022 | 20 | 13 |
| 2023 | 21 | 23 |
| 2024 | 25 | 10 |
| 2025 | 12 | 15 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for cooling an inner wall of a thrust reverser of an engine of an aircraft21 Jul 2026US 12,687,136 B2The Boeing Company
- Water cooled exhaust duct7 Jul 2026US 12,674,413 B2Rtx Corporation
- Coupling assembly for a turbine engine16 Jun 2026US 12,655,981 B2General Electric Company
- Article with cooling holes and method of forming the same21 Apr 2026US 12,607,356 B2Rtx Corporation
- Tailcone and conduit ventilation system with variable internal flow distribution17 Mar 2026US 12,577,924 B1Rtx Corporation
- Water cooled exhaust duct1 Oct 2026US 2026/0298137 A1Rtx Corporation
- Coupling assembly for a turbine engine1 Oct 2026US 2026/0298472 A1General Electric Company
- Apparatus and method of purging gas turbine exhaust trough to reduce hot flow leakage23 Jul 2026US 2026/0210274 A1General Electric Company
- Forming cooling aperture(s) in a component using ct scan14 May 2026US 2026/0131409 A1Rtx Corporation
- Aircraft powerplant exhaust section with flow diverter2 Apr 2026US 2026/0092578 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Infrared radiation suppressor for gas turbine engine113US 4,018,046 AAvco Corporation · 1977
- Thermal barrier coating systems and materials86US 6,117,560 AUnited Technologies Corporation · 2000
- Thermal barrier coating systems and materials84US 6,177,200 B1United Technologies Corporation · 2001
- Thermal barrier coating systems and materials81US 6,284,323 B1United Technologies Corporation · 2001
- Compact mixer with trimmable open centerbody77US 7,506,501 B2Honeywell International Inc. · 2009