B62D 21/00
Understructures, i.e. chassis frame on which a vehicle body may be mounted
Official title: Understructures, i.e. chassis frame on which a vehicle body may be mounted (combined frame and vehicle body B62D23/00 {; characterised by the material thereof B62D29/00})
B62D21/00 (Understructures, i.e. chassis frame on which a vehicle body may be mounted) appears on 6,579 US grants and 6,863 published applications in this corpus.
Search patents in B62D- Granted patents
- 6,579
- Published applications
- 6,863
- Assignees
- 1,425
- Inventors
- 11,759
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 16 | 0 |
| 1978 | 29 | 0 |
| 1979 | 22 | 0 |
| 1980 | 20 | 0 |
| 1981 | 18 | 0 |
| 1982 | 17 | 0 |
| 1983 | 11 | 0 |
| 1984 | 19 | 0 |
| 1985 | 15 | 0 |
| 1986 | 11 | 0 |
| 1987 | 18 | 0 |
| 1988 | 23 | 0 |
| 1989 | 24 | 0 |
| 1990 | 28 | 0 |
| 1991 | 24 | 0 |
| 1992 | 25 | 0 |
| 1993 | 37 | 0 |
| 1994 | 31 | 0 |
| 1995 | 45 | 0 |
| 1996 | 53 | 0 |
| 1997 | 42 | 0 |
| 1998 | 49 | 0 |
| 1999 | 69 | 0 |
| 2000 | 82 | 0 |
| 2001 | 95 | 34 |
| 2002 | 74 | 77 |
| 2003 | 93 | 110 |
| 2004 | 99 | 117 |
| 2005 | 86 | 137 |
| 2006 | 75 | 116 |
| 2007 | 87 | 113 |
| 2008 | 73 | 107 |
| 2009 | 79 | 133 |
| 2010 | 120 | 138 |
| 2011 | 109 | 135 |
| 2012 | 119 | 133 |
| 2013 | 154 | 200 |
| 2014 | 189 | 220 |
| 2015 | 250 | 272 |
| 2016 | 246 | 336 |
| 2017 | 337 | 372 |
| 2018 | 334 | 445 |
| 2019 | 371 | 467 |
| 2020 | 407 | 508 |
| 2021 | 457 | 479 |
| 2022 | 446 | 510 |
| 2023 | 376 | 474 |
| 2024 | 405 | 463 |
| 2025 | 446 | 429 |
| 2026 | 305 | 338 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B62D 21/15Understructures, i.e. chassis frame on which a vehicle body may be mounted3,118
- B62D 21/02Comprising longitudinally or transversely arranged frame members1,401
- B62D 21/11Understructures, i.e. chassis frame on which a vehicle body may be mounted1,321
- B62D 21/18Understructures, i.e. chassis frame on which a vehicle body may be mounted1,237
- B62D 21/09Means for mounting load bearing surfaces377
- B62D 21/14Understructures, i.e. chassis frame on which a vehicle body may be mounted262
- B62D 21/12Assembled from readily detachable parts231
- B62D 21/10In which the main member is plate-like131
All 13 subgroupsShow fewer
- B62D 21/17Forming fluid or electrical conduit means or having other means to accommodate131
- B62D 21/08Built up with interlaced cross members92
- B62D 21/16Understructures, i.e. chassis frame on which a vehicle body may be mounted82
- B62D 21/07Wide-hipped frame type, i.e. a wide box-shaped mid portion with narrower sections77
- B62D 21/06Understructures, i.e. chassis frame on which a vehicle body may be mounted69
Recent patents
- High voltage cable routing for electrified vehicle6 Oct 2026US 12,752,140 B2Oshkosh Corporation
- Vehicle front structure6 Oct 2026US 12,752,727 B2Hyundai Motor Company
- Vehicle frame and corresponding joint structure6 Oct 2026US 12,752,849 B2Ford Global Technologies, LLC
- Support system for an alternative fuel heavy vehicle6 Oct 2026US 12,752,850 B2Hyroad Networks LLC
- Vehicle rear section structure6 Oct 2026US 12,752,851 B2Toyota Jidosha Kabushiki Kaisha
- High voltage cable routing for electrified vehicle8 Oct 2026US 2026/0306888 A1Oshkosh Corporation
- Vehicle lower structure8 Oct 2026US 2026/0307470 A1Mazda Motor Corporation
- Vehicle having ramp apparatus8 Oct 2026US 2026/0307571 A1Hyundai Motor Company
- Reconfigurable vehicle8 Oct 2026US 2026/0307578 A1
- Vehicle body joint structure8 Oct 2026US 2026/0307719 A1Hyundai Motor Company
Most cited
By later US patents
- Composite structural reinforcement member259US 5,755,486 ANovamax Technologies Holdings, Inc. · 1998
- Military vehicle259US 9,045,014 B1Oshkosh Defense, LLC · 2015
- Four-wheeled buggy248US 5,327,989 AHonda Giken Kogyo Kabushiki Kaisha · 1994
- Mounting assembly for a vehicle suspension arm247US 6,561,718 B1Oshkosh Truck Corporation · 2003
- Mounting assembly for a vehicle suspension arm219US 6,976,688 B2Oshkosh Truck Corporation · 2005