B60F 2301/00
Retractable wheels
B60F2301/00 (Retractable wheels) appears on 169 US grants and 160 published applications in this corpus.
Search patents in B60F- Granted patents
- 169
- Published applications
- 160
- Assignees
- 76
- Inventors
- 230
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 7 |
| 2005 | 4 | 8 |
| 2006 | 6 | 13 |
| 2007 | 5 | 4 |
| 2008 | 8 | 8 |
| 2009 | 4 | 5 |
| 2010 | 4 | 3 |
| 2011 | 4 | 8 |
| 2012 | 2 | 2 |
| 2013 | 0 | 6 |
| 2014 | 5 | 11 |
| 2015 | 6 | 13 |
| 2016 | 7 | 3 |
| 2017 | 8 | 9 |
| 2018 | 6 | 9 |
| 2019 | 4 | 8 |
| 2020 | 5 | 10 |
| 2021 | 12 | 4 |
| 2022 | 8 | 6 |
| 2023 | 7 | 7 |
| 2024 | 6 | 3 |
| 2025 | 7 | 4 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Road to rail hybrid vehicles using passive junction and transition spans7 Apr 2026US 12,594,798 B2
- Amphibious pumping vehicle8 Jul 2025US 12,350,985 B2Nuhn Industries Ltd.
- Amphibious pumping vehicle24 Jun 2025US 12,337,633 B2Nuhn Industries Ltd.
- Amphibious pumping vehicle24 Jun 2025US 12,337,634 B2Nuhn Industries Ltd.
- Multi-mode convertible vehicle24 Jun 2025US 12,337,635 B2
- Railgear assembly with a single-action activation & locking mechanism16 Jul 2026US 2026/0200264 A1Transportation IP Holdings, LLC
- Amphibious Front Suspension System25 Jun 2026US 2026/0175634 A1ShenZhen HISIBI Marine Technology Company Limited
- Amphibious vehicle with liftable suspensions23 Apr 2026US 2026/0109187 A1Zhuhai College of Science And Technology
- Low-resistance amphibious vehicle12 Mar 2026US 2026/0070383 A1Shenzhen Hesby Marine Technology Co., LTD
- Amphibious pumping vehicle30 Oct 2025US 2025/0332876 A1Nuhn Industries Ltd.
Most cited
By later US patents
- Adjustable vehicle suspension119US 6,036,201 AGeneral Dynamics Land Systems, Inc. · 2000
- Amphibious vehicle having an efficient water-borne operational mode70US 4,958,584 AMPV, Inc. · 1990
- Amphibious vehicle68US 5,687,669 A1997
- Amphibious vehicle64US 5,562,066 AAquastrada International Corporation · 1996
- Driving mechanism of a track traveling vehicle57US 6,352,035 B1Nikken Corporation · 2002