F01D 5/046
Heating, heat insulation or cooling means
Official title: {Heating, heat insulation or cooling means}
F01D5/046 (Heating, heat insulation or cooling means) appears on 86 US grants and 77 published applications in this corpus.
Search patents in F01D- Granted patents
- 86
- Published applications
- 77
- Assignees
- 48
- Inventors
- 236
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 4 | 1 |
| 2012 | 3 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 2 | 4 |
| 2016 | 1 | 4 |
| 2017 | 5 | 9 |
| 2018 | 4 | 6 |
| 2019 | 9 | 7 |
| 2020 | 5 | 5 |
| 2021 | 7 | 2 |
| 2022 | 4 | 7 |
| 2023 | 7 | 9 |
| 2024 | 7 | 4 |
| 2025 | 3 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impeller back-face cooling manifold8 Sep 2026US 12,729,647 B1Pratt & Whitney Canada Corp.
- Air intake module for an aircraft turbomachine and method for de-icing thereof16 Dec 2025US 12,497,184 B2Safran Nacelles
- Turbine engine with centrifugal compressor having impeller backplate offtake9 Sep 2025US 12,410,745 B2ROLLS-ROYCE plc
- Seal assembly18 Feb 2025US 12,228,221 B2Cummins Inc.
- Gas turbine engine centrifugal compressor with impeller load and cooling control8 Oct 2024US 12,110,820 B2Rolls-Royce North American Technologies Inc.
- Turbine wheel, gas turbine, and method for cooling a turbine wheel23 Oct 2025US 2025/0327405 A1Aurelia Turbines Oy
- Seal assembly8 May 2025US 2025/0146581 A1Cummins Inc.
- Air intake module for an aircraft turbomachine and method for de-icing thereof26 Dec 2024US 2024/0425191 A1Safran Nacelles
- Two-piece impeller made of multiple materials11 Apr 2024US 2024/0117745 A1Hamilton Sundstrand Corporation
- Rotary machine and refrigeration device using same29 Feb 2024US 2024/0068382 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Single rotor turbine engine75US 6,430,917 B1The Regents of the University of California · 2002
- Heat transfer system for turbine engine using heat pipes53US 8,015,788 B2General Electric Company · 2011
- Stress resistant hybrid radial turbine wheel47US 4,335,997 AGeneral Motors Corporation · 1982
- Apparatus and method for cooling Axi-Centrifugal impeller36US 6,276,896 B12001
- Fuel slinger combustor25US 3,932,988 A1976