F01D 11/24
By selectively cooling-heating stator or rotor components
Official title: by selectively cooling-heating stator or rotor components
F01D11/24 (By selectively cooling-heating stator or rotor components) appears on 713 US grants and 711 published applications in this corpus.
Search patents in F01D- Granted patents
- 713
- Published applications
- 711
- Assignees
- 91
- Inventors
- 1,447
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 13 | 0 |
| 2001 | 6 | 3 |
| 2002 | 8 | 9 |
| 2003 | 8 | 6 |
| 2004 | 8 | 7 |
| 2005 | 8 | 12 |
| 2006 | 9 | 10 |
| 2007 | 8 | 20 |
| 2008 | 9 | 20 |
| 2009 | 9 | 17 |
| 2010 | 20 | 26 |
| 2011 | 8 | 17 |
| 2012 | 22 | 18 |
| 2013 | 15 | 35 |
| 2014 | 23 | 47 |
| 2015 | 23 | 37 |
| 2016 | 30 | 57 |
| 2017 | 31 | 67 |
| 2018 | 40 | 57 |
| 2019 | 72 | 45 |
| 2020 | 60 | 43 |
| 2021 | 45 | 32 |
| 2022 | 36 | 21 |
| 2023 | 33 | 31 |
| 2024 | 28 | 23 |
| 2025 | 26 | 18 |
| 2026 | 19 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- CMC component with structure for directing cooling air flow22 Sep 2026US 12,742,398 B2Rtx Corporation
- Hot gas path segment with seal slot cooling groove1 Sep 2026US 12,723,518 B2GE Infrastructure Technology LLC
- Gas turbine engine with a rotor stage shroud11 Aug 2026US 12,704,081 B1Pratt & Whitney Canada Corp.
- Gas turbine engine having cooling systems19 May 2026US 12,631,122 B2General Electric Company
- Compressor cooling system for a turbofan engine19 May 2026US 12,631,125 B1Pratt & Whitney Canada Corp.
- Hot gas path segment with seal slot cooling groove8 Oct 2026US 2026/0309040 A1GE Vernova Infrastructure Technology LLC
- Blade outer air seal (boas) assembly for a gas turbine engine17 Sep 2026US 2026/0275879 A1Rtx Corporation
- Active tip clearance control system for aircraft engine27 Aug 2026US 2026/0251072 A1Pratt & Whitney Canada Corp.
- Active tip clearance control system for aircraft engine27 Aug 2026US 2026/0251073 A1Pratt & Whitney Canada Corp.
- Laser etched ceramic-containing material13 Aug 2026US 2026/0233339 A1Rtx Corporation
Most cited
By later US patents
- Dual cooled shroud93US 5,993,150 AGeneral Electric Company · 1999
- Active clearance control system for a turbomachine92US 4,329,114 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1982
- Combined turbine stator cooling and turbine tip clearance control92US 5,048,288 AUnited Technologies Corporation · 1991
- Cooling system for a gas turbine engine compressor89US 5,297,386 ASociete Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 1994
- Device for regulating turbine blade tip clearance81US 3,975,901 ASociete Nationale d'Etude et de Construction de Moteurs d'Aviation · 1976