B60D 1/28
For preventing unwanted disengagement
Official title: for preventing unwanted disengagement, e.g. safety appliances
B60D1/28 (For preventing unwanted disengagement) appears on 286 US grants and 252 published applications in this corpus.
Search patents in B60D- Granted patents
- 286
- Published applications
- 252
- Assignees
- 133
- Inventors
- 479
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 1 |
| 2002 | 9 | 4 |
| 2003 | 7 | 5 |
| 2004 | 4 | 8 |
| 2005 | 11 | 6 |
| 2006 | 6 | 9 |
| 2007 | 5 | 9 |
| 2008 | 11 | 8 |
| 2009 | 9 | 12 |
| 2010 | 4 | 7 |
| 2011 | 8 | 7 |
| 2012 | 7 | 11 |
| 2013 | 6 | 5 |
| 2014 | 7 | 8 |
| 2015 | 5 | 10 |
| 2016 | 9 | 6 |
| 2017 | 12 | 16 |
| 2018 | 13 | 13 |
| 2019 | 11 | 12 |
| 2020 | 18 | 11 |
| 2021 | 7 | 16 |
| 2022 | 17 | 13 |
| 2023 | 14 | 15 |
| 2024 | 13 | 17 |
| 2025 | 9 | 10 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hitch apparatus and system11 Aug 2026US 12,703,212 B2TeleSwivel, LLC
- Mobility scooter tow arrangement14 Jul 2026US 12,679,152 B2
- Rear arrangement for a vehicle7 Jul 2026US 12,673,524 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Vehicle trailer coupling mechanism and vehicle support23 Jun 2026US 12,661,940 B2Volkswagen Aktiengesellschaft
- Access devices for semi-trailers2 Jun 2026US 12,644,318 B2DriverTech, LLC
- Tow hitch system17 Sep 2026US 2026/0274017 A1Parkit360 Inc.
- Trailer hitch connection failure control in abrupt dynamic disturbance10 Sep 2026US 2026/0264670 A1GM Global Technology Operations LLC
- Towing hook assembly and method20 Aug 2026US 2026/0241757 A1Brink Towing Systems B.V.
- Hitch pin assembly20 Aug 2026US 2026/0241758 A1B & W Custom Truck Beds, Inc.
- Trailer hitch lock13 Aug 2026US 2026/0233563 A1B & W Custom Truck Beds, Inc.
Most cited
By later US patents
- Tandem mobile robot system198US 6,523,629 B1Sandia Corporation · 2003
- Tandem robot control system and method for controlling mobile robots in tandem88US 6,484,083 B1Sandia Corporation · 2002
- Trailer hitch lock48US 4,459,832 A1984
- Hitch assembly47US 5,893,575 ALarkin Technology, Inc. · 1999
- Anti-theft and safety device for a ball and socket trailer hitch44US 5,087,064 A1992