B64D 13/08
The air being heated or cooled
Official title: the air being heated or cooled
B64D13/08 (The air being heated or cooled) appears on 632 US grants and 784 published applications in this corpus.
Search patents in B64D- Granted patents
- 632
- Published applications
- 784
- Assignees
- 173
- Inventors
- 1,188
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 5 |
| 2003 | 3 | 1 |
| 2004 | 6 | 7 |
| 2005 | 4 | 3 |
| 2006 | 1 | 5 |
| 2007 | 4 | 10 |
| 2008 | 1 | 3 |
| 2009 | 1 | 6 |
| 2010 | 4 | 8 |
| 2011 | 4 | 9 |
| 2012 | 6 | 17 |
| 2013 | 7 | 24 |
| 2014 | 8 | 37 |
| 2015 | 17 | 27 |
| 2016 | 23 | 46 |
| 2017 | 39 | 78 |
| 2018 | 40 | 82 |
| 2019 | 63 | 70 |
| 2020 | 86 | 56 |
| 2021 | 47 | 55 |
| 2022 | 55 | 69 |
| 2023 | 39 | 51 |
| 2024 | 47 | 47 |
| 2025 | 56 | 45 |
| 2026 | 29 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Additively manufactured heat exchanger and diffuser pipe coupled to a compressor stage6 Oct 2026US 12,752,921 B2Hamilton Sundstrand Corporation
- Apparatus for controlling temperature and pressure of aircraft29 Sep 2026US 12,747,023 B2Hyundai Motor Company
- Galley cooler with latent heat recovery15 Sep 2026US 12,735,185 B2B/E Aerospace, Inc.
- Passenger air shield18 Aug 2026US 12,709,397 B2Pexco Aerospace, Inc.
- Aircraft system with heat exchanger for environmental control system11 Aug 2026US 12,703,499 B1Rtx Corporation
- System for Directing Aircraft Waste Heat for Cargo Compartment Temperature Control and Method1 Oct 2026US 2026/0296649 A1The Boeing Company
- Turbine air segregation air cycle system1 Oct 2026US 2026/0296650 A1Hamilton Sundstrand Corporation
- System and method for providing efficiently conditioned air to an internal cabin of an aircraft3 Sep 2026US 2026/0257798 A1The Boeing Company
- Cooling system and airplane with cooling system3 Sep 2026US 2026/0258992 A1Airbus Operations GmbH
- Microtube heat exchanger devices, systems, and methods3 Sep 2026US 2026/0259008 A1Intergalactic Spaceworx, LLC
Most cited
By later US patents
- Electric-based secondary power system architectures for aircraft70US 7,207,521 B2The Boeing Company · 2007
- Aircraft engine electrically powered boundary layer bleed system60US 5,114,103 AGeneral Electric Company · 1992
- Aircraft electrical power system including air conditioning system generator54US 5,939,800 AAlliedSignal Inc. · 1999
- Electric-based secondary power system architectures for aircraft54US 7,950,606 B2The Boeing Company · 2011
- Aircraft and airborne electrical power and thermal management system53US 9,771,157 B2Rolls-Royce North American Technologies Inc. · 2017