B64D 2013/0611
Combined with auxiliary power units
Official title: {combined with auxiliary power units (APU's)}
B64D2013/0611 (Combined with auxiliary power units) appears on 149 US grants and 164 published applications in this corpus.
Search patents in B64D- Granted patents
- 149
- Published applications
- 164
- Assignees
- 59
- Inventors
- 296
- Latest grant
- 29 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 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 2 |
| 2004 | 4 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 2 | 4 |
| 2008 | 1 | 2 |
| 2009 | 2 | 5 |
| 2010 | 1 | 1 |
| 2011 | 5 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 6 |
| 2014 | 1 | 5 |
| 2015 | 3 | 3 |
| 2016 | 5 | 15 |
| 2017 | 10 | 10 |
| 2018 | 4 | 12 |
| 2019 | 9 | 16 |
| 2020 | 16 | 17 |
| 2021 | 11 | 14 |
| 2022 | 11 | 15 |
| 2023 | 14 | 13 |
| 2024 | 17 | 9 |
| 2025 | 14 | 3 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for controlling temperature and pressure of aircraft29 Sep 2026US 12,747,023 B2Hyundai Motor Company
- Emergency power generation system for an aircraft28 Jul 2026US 12,692,012 B2Airbus Operations S.L.U.
- Environmental control system with liquid hydrogen fuel vaporization for a hydrogen fuel cell24 Mar 2026US 12,583,614 B2Hamilton Sundstrand Corporation
- Oxidizing agents for emergency power units10 Mar 2026US 12,573,649 B2Hamilton Sundstrand Corporation
- Recirculation ground maintenance mode23 Dec 2025US 12,503,240 B2Hamilton Sundstrand Corporation
- System and methods for mixed-signal computing19 Mar 2026US 2026/0078705 A1Mythic, Inc.
- Emergency power generation system for an aircraft22 Jan 2026US 2026/0021900 A1Airbus Operations S.L.U.
- Power and thermal management system air cycle machine electric power boost to reduce high pressure compressor bleed flow25 Sep 2025US 2025/0296685 A1Rtx Corporation
- Aircraft comprising a cabin blower system2 Jan 2025US 2025/0002160 A1ROLLS-ROYCE plc
- Environmental control system with liquid hydrogen fuel vaporization for a hydrogen fuel cell2 Jan 2025US 2025/0002170 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Integrated air conditioning and power unit147US 5,899,085 AMcDonnell Douglas Corporation · 1999
- Combined fuel cell aircraft auxiliary power unit and environmental control system90US 7,380,749 B2The Boeing Company · 2008
- Integrated power and cooling environmental control system85US 5,442,905 AAlliedSignal Inc. · 1995
- Aircraft environmental control system with auxiliary power output79US 4,503,666 ARockwell International Corporation · 1985
- Integrated power and pressurization system75US 7,578,136 B2Honeywell International Inc. · 2009