B64C 25/32
Alighting gear: characterised by elements which contact the ground or similar surface
Official title: characterised by elements which contact the ground or similar surface (arrester hooks B64C25/68)
B64C25/32 (Alighting gear: characterised by elements which contact the ground or similar surface) appears on 2,637 US grants and 2,706 published applications in this corpus.
Search patents in B64C- Granted patents
- 2,637
- Published applications
- 2,706
- Assignees
- 549
- Inventors
- 3,429
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 16 | 0 |
| 1978 | 11 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 11 | 0 |
| 1982 | 13 | 0 |
| 1983 | 19 | 0 |
| 1984 | 10 | 0 |
| 1985 | 14 | 0 |
| 1986 | 12 | 0 |
| 1987 | 19 | 0 |
| 1988 | 13 | 0 |
| 1989 | 19 | 0 |
| 1990 | 10 | 0 |
| 1991 | 18 | 0 |
| 1992 | 21 | 0 |
| 1993 | 21 | 0 |
| 1994 | 12 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 16 | 0 |
| 2000 | 12 | 0 |
| 2001 | 19 | 2 |
| 2002 | 17 | 3 |
| 2003 | 13 | 15 |
| 2004 | 13 | 25 |
| 2005 | 12 | 29 |
| 2006 | 17 | 31 |
| 2007 | 21 | 45 |
| 2008 | 16 | 36 |
| 2009 | 29 | 50 |
| 2010 | 23 | 70 |
| 2011 | 34 | 76 |
| 2012 | 48 | 72 |
| 2013 | 83 | 111 |
| 2014 | 85 | 96 |
| 2015 | 136 | 168 |
| 2016 | 130 | 211 |
| 2017 | 162 | 210 |
| 2018 | 156 | 204 |
| 2019 | 174 | 217 |
| 2020 | 195 | 225 |
| 2021 | 158 | 184 |
| 2022 | 193 | 168 |
| 2023 | 168 | 170 |
| 2024 | 160 | 142 |
| 2025 | 163 | 74 |
| 2026 | 88 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B64C 25/42Arrangement or adaptation of brakes877
- B64C 25/34Wheeled type670
- B64C 25/58Arrangements or adaptations of shock-absorbers or springs515
- B64C 25/405Powered wheels357
- B64C 2025/325Specially adapted for helicoptersIndexing code289
- B64C 25/50Steerable undercarriages232
- B64C 25/52Skis or runners193
- B64C 25/54Floats176
Recent patents
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- Aircraft wheel prelanding rotation device and method of use29 Sep 2026US 12,747,018 B1
- Wheel and brake assembly29 Sep 2026US 12,747,019 B2Goodrich Corporation
- Metering needle for oleo-pneumatic-type shock absorber29 Sep 2026US 12,747,768 B2Safran Landing Systems
- Stable apparatus for delivering torque struts to and removing torque struts from an aircraft landing gear8 Oct 2026US 2026/0307819 A1Government of the United States as Represented by the Secretary of the Air Force
- Aircraft landing gear alignment apparatus and method8 Oct 2026US 2026/0307820 A1Phase 1 Aviation LLC
- Aircraft tyre1 Oct 2026US 2026/0296109 A1Airbus Operations GmbH
- Composite, unmanned aircraft, method of producing composite, and structure1 Oct 2026US 2026/0296684 A1National Institute for Materials Science
- Unmanned aerial vehicle1 Oct 2026US 2026/0296687 A1Antigravity (Sz) Technology Co., Ltd.
Most cited
By later US patents
- Vehicle with aerial and ground mobility125US 8,991,740 B2Draganfly Innovations Inc. · 2015
- Modular and morphable air vehicle125US 9,045,226 B2Piasecki Aircraft Corporation · 2015
- Powered nose aircraft wheel system115US 7,445,178 B2The Boeing Company · 2008
- Contractable shock absorber strut98US 4,291,850 ALockheed Corporation · 1981
- Multi-purpose aircraft88US 5,645,250 A1997