B64C 25/52
Skis or runners
B64C25/52 (Skis or runners) appears on 193 US grants and 180 published applications in this corpus.
Search patents in B64C- Granted patents
- 193
- Published applications
- 180
- Assignees
- 112
- Inventors
- 413
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 2 |
| 2010 | 2 | 5 |
| 2011 | 2 | 8 |
| 2012 | 1 | 3 |
| 2013 | 6 | 11 |
| 2014 | 9 | 5 |
| 2015 | 9 | 9 |
| 2016 | 7 | 13 |
| 2017 | 9 | 22 |
| 2018 | 12 | 21 |
| 2019 | 17 | 14 |
| 2020 | 23 | 18 |
| 2021 | 9 | 13 |
| 2022 | 17 | 9 |
| 2023 | 8 | 7 |
| 2024 | 9 | 7 |
| 2025 | 8 | 3 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Landing gear for a vertical take-off and landing aircraft18 Nov 2025US 12,473,082 B2Lilium GmbH
- Solar powered stratospheric glider30 Sep 2025US 12,428,173 B2Solaris Suborbital Inc.
- Multistage suspension for UAV landing gear16 Sep 2025US 12,415,633 B2Wing Aviation LLC
- Aft swept spring main landing gear29 Jul 2025US 12,371,158 B2Textron eAviation Inc.
- Rotorcraft with a skid-type landing gear or a wheel-type landing gear24 Sep 2026US 2026/0285479 A1Airbus Helicopters Deutschland GmbH
- Pure electric aircraft and control method therefor3 Sep 2026US 2026/0257792 A1Guangdong Huitian Aerospace Technology Co., Ltd.
- Tri-wing, hybrid vertical take-off and landing aircraft9 Jul 2026US 2026/0192915 A1Beihang University
- Solar powered plane14 May 2026US 2026/0131912 A1Solaris Suborbital Inc.
- Skid-type landing gear for a rotorcraft12 Mar 2026US 2026/0070654 A1Airbus Helicopters Deutschland GmbH
Most cited
By later US patents