B64D 2013/0688
With means for recirculating cabin air
Official title: {with means for recirculating cabin air}
B64D2013/0688 (With means for recirculating cabin air) appears on 295 US grants and 316 published applications in this corpus.
Search patents in B64D- Granted patents
- 295
- Published applications
- 316
- Assignees
- 86
- Inventors
- 438
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 3 | 4 |
| 2004 | 1 | 3 |
| 2005 | 5 | 5 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 2 | 4 |
| 2009 | 1 | 7 |
| 2010 | 2 | 6 |
| 2011 | 3 | 5 |
| 2012 | 6 | 2 |
| 2013 | 2 | 8 |
| 2014 | 1 | 8 |
| 2015 | 6 | 11 |
| 2016 | 8 | 25 |
| 2017 | 15 | 33 |
| 2018 | 21 | 29 |
| 2019 | 25 | 22 |
| 2020 | 22 | 21 |
| 2021 | 21 | 34 |
| 2022 | 25 | 34 |
| 2023 | 23 | 18 |
| 2024 | 35 | 17 |
| 2025 | 20 | 7 |
| 2026 | 6 | 7 |
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
- Aircraft air conditioning device comprising a large-capacity mixer, method for installing such a device and aircraft equipped with such an air conditioning device5 May 2026US 12,617,535 B2Airbus Operations GmbH
- Moving object5 May 2026US 12,617,536 B2Honda Motor Co., Ltd.
- 100% ambient air environmental control system7 Apr 2026US 12,595,065 B2Hamilton Sundstrand Corporation
- Module for supplying pressurized fresh air to an air-conditioning pack of an aircraft cabin, air-conditioning system equipped with such a module, and corresponding method6 Jan 2026US 12,515,803 B2Liebherr-Aerospace Toulouse SAS
- Aircraft air-conditioning system having a two-stage cooling circuit and aircraft having an air-conditioning system28 May 2026US 2026/0145796 A1
- Environmental control system with cabin vent-air cooled heat exchanger and water vapor cogeneration26 Mar 2026US 2026/0084823 A1Hamilton Sundstrand Corporation
- Environmental control system utilizing integrated vapor compression system and three-wheel air cycle machine12 Feb 2026US 2026/0042539 A1Hamilton Sundstrand Corporation
- Environmental control system utilizing integrated vapor compression system and four-wheel air cycle machine5 Feb 2026US 2026/0035077 A1Hamilton Sundstrand Corporation
- Bleed air powered ambient aircraft environmental control system29 Jan 2026US 2026/0028127 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Regenerative condensing cycle163US 5,461,882 AUnited Technologies Corporation · 1995
- High efficiency environmental control systems and methods145US 5,967,461 AMcDonnell Douglas Corporation · 1999
- Environment control system for aircraft having interior condensation problem reduction, cabin air quality improvement, fire suppression and fire venting functions139US 6,491,254 B1Indoor Air Technologies Inc. · 2002
- Fuel conserving air-conditioning apparatus and method for aircraft103US 4,263,786 AThe Boeing Company · 1981
- Cabin-air recirculation system powered by cabin-to-ambient pressure differential102US 4,262,495 AThe Boeing Company · 1981