B64D 15/04
Hot gas application
B64D15/04 (Hot gas application) appears on 299 US grants and 323 published applications in this corpus.
Search patents in B64D- Granted patents
- 299
- Published applications
- 323
- Assignees
- 102
- Inventors
- 634
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 8 | 8 |
| 2003 | 3 | 2 |
| 2004 | 5 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 6 |
| 2010 | 3 | 10 |
| 2011 | 8 | 6 |
| 2012 | 1 | 10 |
| 2013 | 8 | 8 |
| 2014 | 8 | 9 |
| 2015 | 10 | 10 |
| 2016 | 12 | 12 |
| 2017 | 6 | 42 |
| 2018 | 17 | 24 |
| 2019 | 31 | 21 |
| 2020 | 19 | 45 |
| 2021 | 27 | 31 |
| 2022 | 33 | 23 |
| 2023 | 25 | 13 |
| 2024 | 18 | 9 |
| 2025 | 13 | 16 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Open rotor aircraft propulsion system with anti-icing system22 Sep 2026US 12,741,744 B2Rtx Corporation
- Thermal anti-icing system for aircraft airframe exterior surface25 Aug 2026US 12,715,588 B2Rtx Corporation
- Pressure regulating shut-off valve25 Aug 2026US 12,717,359 B2Microtecnica S.R.L.
- Compressed air system for aircraft18 Aug 2026US 12,710,011 B2Pratt & Whitney Canada Corp.
- Anti-ice/de-ice system11 Aug 2026US 12,704,077 B2Honeywell Aerospace US LLC
- Jet pump system30 Jul 2026US 2026/0218732 A1Honeywell International Inc.
- Systems and methods for managing evtol flight in icing23 Jul 2026US 2026/0208868 A1Archer Aviation Inc.
- Improved propulsion assembly for a multi-engine aircraft9 Jul 2026US 2026/0192935 A1Safran Helicopter Engines
- Systems and methods for gas generator for pneumatic deicer28 May 2026US 2026/0145797 A1Goodrich Corporation
- Blended wing aircraft9 Apr 2026US 2026/0097852 A1General Electric Company
Most cited
By later US patents
- Anti-icing system for aircraft118US 5,114,100 AThe Boeing Company · 1992
- Nacelle anti-icing system91US 4,738,416 AQuiet Nacelle Corporation · 1988
- Thermal anti-icing system for aircraft82US 5,011,098 AThe Boeing Company · 1991
- Aircraft anti-icing plenum80US 3,933,327 ARohr Industries, Inc. · 1976
- Swirl anti-ice system69US 4,688,745 ARohr Industries, Inc. · 1987