F02C 7/047
Heating to prevent icing
F02C7/047 (Heating to prevent icing) appears on 581 US grants and 643 published applications in this corpus.
Search patents in F02C- Granted patents
- 581
- Published applications
- 643
- Assignees
- 119
- Inventors
- 1,133
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 6 |
| 2003 | 5 | 4 |
| 2004 | 3 | 1 |
| 2005 | 1 | 6 |
| 2006 | 6 | 7 |
| 2007 | 1 | 11 |
| 2008 | 5 | 16 |
| 2009 | 6 | 22 |
| 2010 | 10 | 32 |
| 2011 | 22 | 25 |
| 2012 | 18 | 21 |
| 2013 | 15 | 40 |
| 2014 | 19 | 24 |
| 2015 | 28 | 27 |
| 2016 | 22 | 43 |
| 2017 | 24 | 49 |
| 2018 | 41 | 55 |
| 2019 | 50 | 32 |
| 2020 | 45 | 60 |
| 2021 | 41 | 37 |
| 2022 | 47 | 32 |
| 2023 | 43 | 22 |
| 2024 | 32 | 25 |
| 2025 | 28 | 20 |
| 2026 | 16 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reverse flow gas turbine engine having electric machine8 Sep 2026US 12,729,643 B2General Electric Company
- Pressure regulating shut-off valve25 Aug 2026US 12,717,359 B2Microtecnica S.R.L.
- Combined de-icing device11 Aug 2026US 12,703,490 B2Safran Aerosystems
- Anti-ice/de-ice system11 Aug 2026US 12,704,077 B2Honeywell Aerospace US LLC
- Anti-icing and bleed heat system for a gas turbine system11 Aug 2026US 12,704,091 B2GE Infrastructure Technology LLC
- Aircraft powerplant with flow regulator anti-icing system3 Sep 2026US 2026/0257799 A1Rtx Corporation
- Gas turbine engine13 Aug 2026US 2026/0235079 A1General Electric Company
- Aeronautical thruster23 Jul 2026US 2026/0208853 A1Centre National de la Recherche Scientifique (CNRS)
- Gas turbine engine16 Jul 2026US 2026/0201836 A1GE Avio S. r. l.
- Reverse flow gas turbine engine having electric machine2 Jul 2026US 2026/0185479 A1General Electric Company
Most cited
By later US patents
- Deicing of a geared gas turbine engine129US 4,782,658 AROLLS-ROYCE plc · 1988
- System for heating an airstream by recirculating waste heat of a turbomachine126US 8,261,528 B2General Electric Company · 2012
- Integrated thermal anti-icing and environmental control system113US 3,981,466 AThe Boeing Company · 1976
- Turbo engine106US 4,999,994 AMTU Motoren-und Turbinen-Union Munchen GmbH · 1991
- Turbine anti-icing system100US 4,561,245 AAtlantic Richfield Company · 1985