B64D 41/00
Power installations for auxiliary purposes
B64D41/00 (Power installations for auxiliary purposes) appears on 1,682 US grants and 1,973 published applications in this corpus.
Search patents in B64D- Granted patents
- 1,682
- Published applications
- 1,973
- Assignees
- 387
- Inventors
- 3,049
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 16 | 0 |
| 1993 | 11 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 13 | 0 |
| 2002 | 8 | 14 |
| 2003 | 11 | 14 |
| 2004 | 8 | 15 |
| 2005 | 12 | 11 |
| 2006 | 9 | 38 |
| 2007 | 14 | 23 |
| 2008 | 16 | 29 |
| 2009 | 19 | 25 |
| 2010 | 17 | 29 |
| 2011 | 26 | 37 |
| 2012 | 28 | 66 |
| 2013 | 27 | 82 |
| 2014 | 61 | 60 |
| 2015 | 50 | 93 |
| 2016 | 64 | 124 |
| 2017 | 89 | 108 |
| 2018 | 75 | 135 |
| 2019 | 122 | 124 |
| 2020 | 134 | 170 |
| 2021 | 134 | 175 |
| 2022 | 155 | 149 |
| 2023 | 150 | 154 |
| 2024 | 146 | 127 |
| 2025 | 134 | 90 |
| 2026 | 54 | 81 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrical system15 Sep 2026US 12,738,855 B2ROLLS-ROYCE plc
- Energy conversion arrangement, energy system and aircraft comprising same8 Sep 2026US 12,729,005 B2Airbus Operations GmbH
- Ram air turbine (RAT) restow pump drive system8 Sep 2026US 12,729,009 B2Hamilton Sundstrand Corporation
- Method for managing the configuration of an aircraft equipped with at least one auxiliary power unit or not, aircraft and device making it possible to implement said method8 Sep 2026US 12,729,017 B2Airbus Operations GmbH
- Configuration for a LH2 fuel cell aircraft with distributed systems25 Aug 2026US 12,715,602 B2The Boeing Company
- Commercial aircraft for long distance travel8 Oct 2026US 2026/0307789 A1JetZero, Inc.
- Centrifugal Force Enabled Clutch and Aircraft8 Oct 2026US 2026/0309196 A1Lockheed Martin Corporation
- Folding wing arrangement with axial-flux motor1 Oct 2026US 2026/0296630 A1Airbus Operations GmbH
- Folding wing arrangement with latch assembly1 Oct 2026US 2026/0296632 A1
- Propulsion and electrical system for an aircraft including a fuel cell and a turbine engine1 Oct 2026US 2026/0296655 A1GE AVIO S.r.I.
Most cited
By later US patents
- Thermal and energy management method and apparatus for an aircraft164US 6,182,435 B2Hamilton Sundstrand Corporation · 2001
- Multifunction power system for an aircraft160US 4,684,081 ALockheed Corporation · 1987
- Tortuous path quiet exhaust eductor system134US 6,615,576 B2Honeywell International Inc. · 2003
- Unmanned aircraft system (UAS) with active energy harvesting and power management122US 9,527,588 B12016
- Load bearing element and a method for manufacturing a load bearing element119US 10,081,431 B2Airbus Operations GmbH · 2018