B64D 17/52
Opening
Official title: Opening, e.g. manual
B64D17/52 (Opening) appears on 90 US grants and 66 published applications in this corpus.
Search patents in B64D- Granted patents
- 90
- Published applications
- 66
- Assignees
- 55
- Inventors
- 152
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 4 |
| 2004 | 1 | 5 |
| 2005 | 7 | 2 |
| 2006 | 4 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 3 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 1 |
| 2014 | 2 | 0 |
| 2015 | 4 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 3 | 3 |
| 2019 | 2 | 3 |
| 2020 | 2 | 8 |
| 2021 | 3 | 4 |
| 2022 | 8 | 7 |
| 2023 | 7 | 5 |
| 2024 | 5 | 2 |
| 2025 | 6 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automated aircraft recovery system28 Jul 2026US 12,693,683 B2Kitty Hawk Corporation
- Rigid tube stabilizer system for parachute deployment23 Jun 2026US 12,662,249 B2Arizona Board of Regents on Behalf of the University of Arizona
- Paracord cutter16 Dec 2025US 12,497,177 B1The United States of America as represented by the Secretary of the Air Force
- Parachute, safety device, and flight vehicle provided with safety device29 Jul 2025US 12,371,175 B2Nippon Kayaku Kabushiki Kaisha
- Replaceable parachute container flaps18 Mar 2025US 12,252,258 B2Rockwell Collins, Inc.
- Rigid tube stabilizer system for parachute deployment1 Jan 2026US 2026/0001650 A1Arizona Board of Regents on Behalf of the University of Arizona
- Flight platform, parachute device, aircraft, and control method and system thereof18 Dec 2025US 2025/0382063 A1Sz Shanzhi Technology Co., Ltd.
- Automated aircraft recovery system8 May 2025US 2025/0147507 A1Kitty Hawk Corporation
- Parachute, safety device, and flight vehicle provided with safety device20 Mar 2025US 2025/0091720 A1Nippon Kayaku Kabushiki Kaisha
- Parachute, and safety device and flight vehicle provided with parachute6 Mar 2025US 2025/0074605 A1Nippon Kayaku Kabushiki Kaisha
Most cited
By later US patents
- Steerable parachute control system and method51US 6,889,942 B2Atair Aerospace, Inc. · 2005
- Parachute deployment system and method37US 6,626,400 B12003
- Methods and systems for turning an envelope into a parachute32US 9,139,278 B1Google Inc. · 2015
- Drogue parachute drag force actuated programmable controller to generate an event trigger signal30US 7,584,928 B2BRS, Inc. · 2009
- Method and apparatus for delayed parachute deployment28US 6,883,756 B2Atair Aerospace, Inc. · 2005