B60S 9/21
Comprising a rotatably driven auxiliary wheel or endless track
Official title: comprising a rotatably driven auxiliary wheel or endless track, e.g. driven by ground wheel (track vehicles with additional or alternative ground wheels B62D55/02, B62D55/04; auxiliary drives from a ground wheel B60K25/08)
B60S9/21 (Comprising a rotatably driven auxiliary wheel or endless track) appears on 44 US grants and 41 published applications in this corpus.
Search patents in B60S- Granted patents
- 44
- Published applications
- 41
- Assignees
- 19
- Inventors
- 97
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 6 |
| 2009 | 2 | 1 |
| 2010 | 0 | 4 |
| 2011 | 2 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 3 |
| 2021 | 2 | 0 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Moving body4 Aug 2026US 12,697,944 B2Hyundai Motor Company
- Electric boom19 Aug 2025US 12,391,525 B2Oshkosh Corporation
- Electric boom31 Oct 2023US 11,802,031 B2Oshkosh Corporation
- Electric boom8 Nov 2022US 11,492,239 B2Oshkosh Corporation
- Hydraulic lifting mechanism for a large vehicle trailer12 Jul 2022US 11,383,680 B1
- Emergency system to drive a vehicle2 Jul 2026US 2026/0184290 A1
- Vehicle mover21 May 2026US 2026/0138438 A1Zhejiang Nowvow Mechanical and Electrical Co., Ltd.
- Self-propelled truck camper30 Apr 2026US 2026/0116353 A1
- Self-propelled and reverse self-steering quad camper trailer23 Apr 2026US 2026/0109400 A1
- Electric boom13 Nov 2025US 2025/0346465 A1Oshkosh Corporation
Most cited
By later US patents
- Device for maneuvering of trailers32US 4,860,841 A1989
- Detachable all terrain trailer26US 5,332,052 A1994
- Lifting and maneuvering device for motor vehicles24US 4,605,086 A1986
- Combination car system23US 4,368,793 AToyota Jidosha Kogyo Kabushiki Kaisha · 1983
- Motorized directionally steerable trailer tongue jack23US 6,779,616 B12004