B60D 1/00
Traction couplings
Official title: Traction couplings; Hitches; Draw-gear; Towing devices (fifth-wheel traction couplings B62D53/08)
B60D1/00 (Traction couplings) appears on 5,531 US grants and 4,743 published applications in this corpus.
Search patents in B60D- Granted patents
- 5,531
- Published applications
- 4,743
- Assignees
- 1,580
- Inventors
- 8,400
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 51 | 0 |
| 1977 | 69 | 0 |
| 1978 | 60 | 0 |
| 1979 | 53 | 0 |
| 1980 | 63 | 0 |
| 1981 | 59 | 0 |
| 1982 | 37 | 0 |
| 1983 | 44 | 0 |
| 1984 | 43 | 0 |
| 1985 | 47 | 0 |
| 1986 | 51 | 0 |
| 1987 | 47 | 0 |
| 1988 | 45 | 0 |
| 1989 | 49 | 0 |
| 1990 | 46 | 0 |
| 1991 | 56 | 0 |
| 1992 | 55 | 0 |
| 1993 | 54 | 0 |
| 1994 | 77 | 0 |
| 1995 | 67 | 0 |
| 1996 | 71 | 0 |
| 1997 | 54 | 0 |
| 1998 | 89 | 0 |
| 1999 | 90 | 0 |
| 2000 | 93 | 0 |
| 2001 | 100 | 15 |
| 2002 | 114 | 99 |
| 2003 | 102 | 108 |
| 2004 | 111 | 130 |
| 2005 | 126 | 130 |
| 2006 | 102 | 149 |
| 2007 | 92 | 143 |
| 2008 | 94 | 123 |
| 2009 | 92 | 129 |
| 2010 | 103 | 104 |
| 2011 | 107 | 137 |
| 2012 | 119 | 127 |
| 2013 | 116 | 127 |
| 2014 | 134 | 149 |
| 2015 | 149 | 194 |
| 2016 | 159 | 174 |
| 2017 | 173 | 198 |
| 2018 | 190 | 213 |
| 2019 | 207 | 274 |
| 2020 | 210 | 320 |
| 2021 | 218 | 312 |
| 2022 | 275 | 277 |
| 2023 | 287 | 297 |
| 2024 | 269 | 314 |
| 2025 | 224 | 269 |
| 2026 | 188 | 231 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60D 1/24Traction couplings: characterised by arrangements for particular functions2,457
- B60D 1/58Auxiliary devices2,435
- B60D 1/01Traction couplings or hitches characterised by their type2,034
- B60D 1/48Traction couplings: characterised by the mounting1,556
- B60D 1/14Draw-gear or towing devices characterised by their type1,017
- B60D 2001/001Traction couplings: specially adapted for use on vehicles other than carsIndexing code348
Recent patents
- Off-road trailer6 Oct 2026US 12,752,580 B2
- Length sensing tether bar system for self propelled trailer systems6 Oct 2026US 12,752,581 B2Fca US LLC
- Jack with hydraulic lock6 Oct 2026US 12,753,053 B2Pacific Rim International, LLC
- Trailer coupler with integrated lock29 Sep 2026US 12,746,787 B2
- Hitch interface apparatus and system therefor29 Sep 2026US 12,746,788 B1Kooima Ag, Inc.
- Swing away hitch adapter8 Oct 2026US 2026/0307437 A1
- Jack Support Apparatus8 Oct 2026US 2026/0307438 A1
- Single arm carrier8 Oct 2026US 2026/0307592 A1Saris Equipment, LLC
- Trailer connector with integrated power monitoring system and related methods8 Oct 2026US 2026/0309807 A1
- Clamp device and carrying vehicle1 Oct 2026US 2026/0296113 A1Exedy Corporation
Most cited
By later US patents
- Vehicle interior LED lighting system962US 7,195,381 B2Donnelly Corporation · 2007
- Video mirror system for a vehicle485US 7,619,508 B2Donnelly Corporation · 2009
- Alignment guide for a trailer hitch249US 6,820,888 B12004
- Backup system to position vehicle relative to stationary trailer during backing procedure241US 5,729,194 A1998
- Power and communications link between a tractor and trailer240US 5,739,592 AGrote Industries, Inc. · 1998