B64D 33/08
Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided
Official title: of power plant cooling systems
B64D33/08 (Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided) appears on 720 US grants and 985 published applications in this corpus.
Search patents in B64D- Granted patents
- 720
- Published applications
- 985
- Assignees
- 229
- Inventors
- 1,649
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 5 |
| 2006 | 4 | 6 |
| 2007 | 2 | 2 |
| 2008 | 2 | 5 |
| 2009 | 3 | 7 |
| 2010 | 1 | 8 |
| 2011 | 6 | 9 |
| 2012 | 3 | 14 |
| 2013 | 8 | 6 |
| 2014 | 13 | 24 |
| 2015 | 10 | 22 |
| 2016 | 16 | 28 |
| 2017 | 16 | 36 |
| 2018 | 20 | 40 |
| 2019 | 39 | 48 |
| 2020 | 44 | 89 |
| 2021 | 55 | 61 |
| 2022 | 56 | 86 |
| 2023 | 97 | 115 |
| 2024 | 110 | 132 |
| 2025 | 103 | 131 |
| 2026 | 86 | 105 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for controlling temperature and pressure of aircraft29 Sep 2026US 12,747,023 B2Hyundai Motor Company
- Air system for aircraft propulsion system electric machine29 Sep 2026US 12,747,026 B2Rtx Corporation
- Propulsion system thermal management with propulsor fluid flow and ram fluid flow29 Sep 2026US 12,747,027 B2Vertical Aerospace Group Limited
- System for superconducting electronics in aerospace applications22 Sep 2026US 12,741,749 B2Rtx Corporation
- Aircraft power plant with heat management system15 Sep 2026US 12,736,005 B2Pratt & Whitney Canada Corp.
- Systems and methods for rotor assemblies and manufacturing thereof1 Oct 2026US 2026/0296634 A1Archer Aviation Inc.
- Heat exchanger and aircraft including the same1 Oct 2026US 2026/0296639 A1Plana Co., Ltd.
- System for Directing Aircraft Waste Heat for Cargo Compartment Temperature Control and Method1 Oct 2026US 2026/0296649 A1The Boeing Company
- Cooling system for aircraft powerplant electronics1 Oct 2026US 2026/0296666 A1Rtx Corporation
- Multi-gravitational force vapor cycle receiver1 Oct 2026US 2026/0298515 A1Honeywell International Inc.
Most cited
By later US patents
- Passive cooling system for auxiliary power unit installation100US 6,651,929 B2Pratt & Whitney Canada Corp. · 2003
- Marine hulls and drives97US 7,984,684 B22011
- Nacelle cooling and ventilation system82US 5,284,012 AGeneral Electric Company · 1994
- Auxiliary power unit passive cooling system82US 6,092,360 AThe Boeing Company · 2000
- Cooled cooling air system for a gas turbine82US 9,422,063 B2General Electric Company · 2016