B62D 53/08
Fifth wheel traction couplings
Official title: Fifth wheel traction couplings {(tractors for handling trailers in terminals B62D49/007)}
B62D53/08 (Fifth wheel traction couplings) appears on 1,475 US grants and 1,030 published applications in this corpus.
Search patents in B62D- Granted patents
- 1,475
- Published applications
- 1,030
- Assignees
- 477
- Inventors
- 1,957
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 17 | 0 |
| 1978 | 25 | 0 |
| 1979 | 25 | 0 |
| 1980 | 25 | 0 |
| 1981 | 24 | 0 |
| 1982 | 20 | 0 |
| 1983 | 18 | 0 |
| 1984 | 21 | 0 |
| 1985 | 19 | 0 |
| 1986 | 29 | 0 |
| 1987 | 23 | 0 |
| 1988 | 20 | 0 |
| 1989 | 24 | 0 |
| 1990 | 26 | 0 |
| 1991 | 30 | 0 |
| 1992 | 17 | 0 |
| 1993 | 26 | 0 |
| 1994 | 28 | 0 |
| 1995 | 24 | 0 |
| 1996 | 20 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 22 | 0 |
| 2000 | 19 | 0 |
| 2001 | 37 | 8 |
| 2002 | 28 | 22 |
| 2003 | 27 | 32 |
| 2004 | 23 | 23 |
| 2005 | 21 | 26 |
| 2006 | 24 | 32 |
| 2007 | 21 | 34 |
| 2008 | 12 | 37 |
| 2009 | 27 | 25 |
| 2010 | 43 | 25 |
| 2011 | 32 | 39 |
| 2012 | 32 | 32 |
| 2013 | 42 | 36 |
| 2014 | 30 | 29 |
| 2015 | 37 | 31 |
| 2016 | 19 | 26 |
| 2017 | 36 | 42 |
| 2018 | 26 | 30 |
| 2019 | 35 | 53 |
| 2020 | 38 | 54 |
| 2021 | 36 | 65 |
| 2022 | 51 | 78 |
| 2023 | 62 | 75 |
| 2024 | 70 | 76 |
| 2025 | 70 | 65 |
| 2026 | 46 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B62D 53/0807Adjustable coupling saddles mounted on sub-frames416
- B62D 53/0857Auxiliary semi-trailer handling or loading equipment275
- B62D 53/0842King pins267
- B62D 53/0871With stabilising means211
- B62D 53/12Engaging automatically179
- B62D 53/0885Comprising devices to limit or to compensate for wear or excessive play103
- B62D 53/10With means for preventing accidental uncoupling100
- B62D 53/0892Comprising power transmission shafts1
Recent patents
- System and method for fifth wheel height detection6 Oct 2026US 12,752,868 B1ZF CV Systems Global GmbH
- Trailer apparatus with configurable wheel assembly and underride guard positioning22 Sep 2026US 12,741,486 B1Trail-Eze, Inc.
- Dynamically adjustable gooseneck ball mount22 Sep 2026US 12,741,704 B2Gen-Y Creations, LLC
- Motor stall and trailer lift8 Sep 2026US 12,728,937 B2Outrider Technologies, Inc.
- System and method for trailer propulsion8 Sep 2026US 12,728,941 B2Anamnesis Corporation
- Wear ring and locking hook for a semi-trailer coupling lock of a semi-trailer coupling of a tractor unit of a semi-trailer truck1 Oct 2026US 2026/0296578 A1RüHlicke GmbH
- System and method for latch engagement detection24 Sep 2026US 2026/0285422 A1TORC Robotics, Inc.
- Coupling a trailer to a tractor24 Sep 2026US 2026/0285423 A1ZF CV Systems Global GmbH
- Fifth wheel locking coupler10 Sep 2026US 2026/0264774 A1Jost International Corp.
- Systems, methods, and media for predicting a state of a fifth wheel based on vibration thereof10 Sep 2026US 2026/0264775 A1Fontaine Fifth Wheel Company
Most cited
By later US patents
- Force-sensing fifth wheel214US 6,302,424 B1Holland Hitch Company · 2001
- Truck rearview mirror assembly having a display for displaying trailer coupling status information165US 6,592,230 B2Holland Hitch Company · 2003
- Robotic vehicle that tracks the path of a lead vehicle111US 6,494,476 B22002
- Tractor trailer articulation control system and method99US 5,001,639 AEaton Corporation · 1991
- Process for coupling a trailer to a motor vehicle89US 7,204,504 B2DaimlerChrysler AG · 2007