F01D 5/182
Transpiration cooling
Official title: {Transpiration cooling}
F01D5/182 (Transpiration cooling) appears on 144 US grants and 113 published applications in this corpus.
Search patents in F01D- Granted patents
- 144
- Published applications
- 113
- Assignees
- 47
- Inventors
- 297
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 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 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 7 | 6 |
| 2003 | 7 | 3 |
| 2004 | 2 | 1 |
| 2005 | 0 | 4 |
| 2006 | 3 | 5 |
| 2007 | 2 | 1 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 3 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 5 |
| 2013 | 1 | 5 |
| 2014 | 4 | 8 |
| 2015 | 4 | 14 |
| 2016 | 8 | 8 |
| 2017 | 4 | 7 |
| 2018 | 8 | 10 |
| 2019 | 6 | 5 |
| 2020 | 10 | 8 |
| 2021 | 3 | 4 |
| 2022 | 7 | 6 |
| 2023 | 4 | 1 |
| 2024 | 6 | 3 |
| 2025 | 3 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High efficiency power production methods, assemblies, and systems14 Jul 2026US 12,680,454 B28 Rivers Capital, LLC
- Blade with composite structure having improved ply drop orientation2 Jun 2026US 12,644,466 B2Safran Aircraft Engines
- Turbine engine having a composite assembly3 Jun 2025US 12,320,272 B2General Electric Company
- Turbine blade and gas turbine22 Apr 2025US 12,281,594 B2Mitsubishi Heavy Industries, Ltd.
- High efficiency power production methods, assemblies, and systems1 Apr 2025US 12,264,596 B28 Rivers Capital, LLC
- High efficiency power production methods, assemblies, and systems1 Oct 2026US 2026/0298097 A18 Rivers Capital, LLC
- Blade with composite structure having improved ply drop orientation19 Mar 2026US 2026/0078768 A1Safran Aircraft Engines
- High efficiency power production methods, assemblies, and systems31 Jul 2025US 2025/0243764 A18 Rivers Capital, LLC
- Turbine blade and gas turbine26 Dec 2024US 2024/0426217 A1Mitsubishi Heavy Industries, Ltd.
- Turbine engine having a composite assembly14 Nov 2024US 2024/0376827 A1General Electric Company
Most cited
By later US patents
- Cross-flow film cooling passages107US 4,653,983 AUnited Technologies Corporation · 1987
- Shroud cooling assembly for gas turbine engine103US 5,169,287 AGeneral Electric Company · 1992
- Directly cooled thermal barrier coating system87US 6,617,003 B1General Electric Company · 2003
- Airfoil blade having a serpentine cooling circuit and impingement cooling82US 5,660,524 AGeneral Electric Company · 1997
- Integrated steam/air cooling system for gas turbines81US 5,340,274 AGeneral Electric Company · 1994