B62D 21/20
Trailer type, i.e. a frame specifically constructed for use in a non-powered
Official title: trailer type, i.e. a frame specifically constructed for use in a non-powered vehicle
B62D21/20 (Trailer type, i.e. a frame specifically constructed for use in a non-powered) appears on 380 US grants and 373 published applications in this corpus.
Search patents in B62D- Granted patents
- 380
- Published applications
- 373
- Assignees
- 227
- Inventors
- 607
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 5 |
| 2003 | 5 | 4 |
| 2004 | 2 | 5 |
| 2005 | 6 | 3 |
| 2006 | 6 | 19 |
| 2007 | 6 | 11 |
| 2008 | 3 | 3 |
| 2009 | 6 | 11 |
| 2010 | 12 | 12 |
| 2011 | 7 | 13 |
| 2012 | 15 | 14 |
| 2013 | 10 | 9 |
| 2014 | 11 | 9 |
| 2015 | 8 | 19 |
| 2016 | 15 | 19 |
| 2017 | 20 | 18 |
| 2018 | 17 | 23 |
| 2019 | 20 | 25 |
| 2020 | 26 | 36 |
| 2021 | 29 | 30 |
| 2022 | 25 | 20 |
| 2023 | 24 | 24 |
| 2024 | 22 | 18 |
| 2025 | 15 | 14 |
| 2026 | 21 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Side rail for trailer29 Sep 2026US 12,746,993 B2Dorsey Trailer LLC
- Sliding frame assembly for trailers8 Sep 2026US 12,728,925 B2Guangdong Fuwa Heavy Industries Co., Ltd.
- Drag wheel for trailer25 Aug 2026US 12,715,241 B2Austin Hardware & Supply, Inc.
- System to field install solar racking components and torque beams and methods of use21 Jul 2026US 12,686,453 B2
- Pinless tilt deck trailer locking mechanism23 Jun 2026US 12,662,208 B2Reelstrong, LLC
- Trailer dolly apparatus23 Jul 2026US 2026/0208801 A1
- Mobile security trailer and frame16 Jul 2026US 2026/0200544 A1RV Mobile Power, LLC
- Modular skid enclosure for skid mounted pumps25 Jun 2026US 2026/0175895 A1Cornell Pump Company
- Side rail for trailer14 May 2026US 2026/0131865 A1Dorsey Trailer LLC
- Trailer Frame Structure and a Recreational Vehicle16 Apr 2026US 2026/0103242 A1Global Manufacturing Holdings LLC
Most cited
By later US patents