F01D 25/12
Cooling
F01D25/12 (Cooling) appears on 2,858 US grants and 3,130 published applications in this corpus.
Search patents in F01D- Granted patents
- 2,858
- Published applications
- 3,130
- Assignees
- 316
- Inventors
- 4,657
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 28 | 12 |
| 2002 | 47 | 35 |
| 2003 | 40 | 32 |
| 2004 | 29 | 31 |
| 2005 | 23 | 41 |
| 2006 | 31 | 37 |
| 2007 | 19 | 48 |
| 2008 | 21 | 45 |
| 2009 | 22 | 46 |
| 2010 | 39 | 72 |
| 2011 | 35 | 66 |
| 2012 | 65 | 79 |
| 2013 | 53 | 104 |
| 2014 | 73 | 113 |
| 2015 | 83 | 168 |
| 2016 | 95 | 343 |
| 2017 | 135 | 334 |
| 2018 | 240 | 290 |
| 2019 | 350 | 264 |
| 2020 | 334 | 240 |
| 2021 | 259 | 163 |
| 2022 | 213 | 143 |
| 2023 | 166 | 119 |
| 2024 | 142 | 117 |
| 2025 | 128 | 116 |
| 2026 | 76 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Turbine engine with a blade assembly having a set of cooling conduits6 Oct 2026US 12,753,696 B2General Electric Company
- Gas turbine engines having self-cooling seals and methods of operating the same29 Sep 2026US 12,747,672 B1Honeywell Aerospace US LLC
- CMC component with structure for directing cooling air flow22 Sep 2026US 12,742,398 B2Rtx Corporation
- Ultra-micro gas turbine generator15 Sep 2026US 12,736,007 B2
- Impeller back-face cooling manifold8 Sep 2026US 12,729,647 B1Pratt & Whitney Canada Corp.
- Turbine engine component with a cooling aperture8 Oct 2026US 2026/0309042 A1General Electric Company
- Cooling system for aircraft powerplant electronics1 Oct 2026US 2026/0296666 A1Rtx Corporation
- Water cooled exhaust duct1 Oct 2026US 2026/0298137 A1Rtx Corporation
- Cmc component with cooling cavity24 Sep 2026US 2026/0286856 A1Rtx Corporation
- Turbine engine vane baffle10 Sep 2026US 2026/0266183 A1Rtx Corporation
Most cited
By later US patents
- Integrated thermal management and coolant system for an aircraft196US 6,415,595 B1Hamilton Sundstrand Corporation · 2002
- Thermal and energy management method and apparatus for an aircraft164US 6,182,435 B2Hamilton Sundstrand Corporation · 2001
- Impingement cooled transition duct153US 4,719,748 AGeneral Electric Company · 1988
- Method for improving the cooling effectiveness of a gaseous coolant stream, and related articles of manufacture153US 6,234,755 B1General Electric Company · 2001
- Method and apparatus for cooling a wall within a gas turbine engine143US 6,402,470 B1United Technologies Corporation · 2002