B62D 21/15
Understructures, i.e. chassis frame on which a vehicle body may be mounted
Official title: having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body (bumpers B60R19/02; shock absorbers in general F16F)
B62D21/15 (Understructures, i.e. chassis frame on which a vehicle body may be mounted) appears on 3,118 US grants and 3,369 published applications in this corpus.
Search patents in B62D- Granted patents
- 3,118
- Published applications
- 3,369
- Assignees
- 477
- Inventors
- 5,629
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 10 | 0 |
| 1995 | 19 | 0 |
| 1996 | 17 | 0 |
| 1997 | 15 | 0 |
| 1998 | 18 | 0 |
| 1999 | 29 | 0 |
| 2000 | 29 | 0 |
| 2001 | 36 | 22 |
| 2002 | 36 | 27 |
| 2003 | 31 | 53 |
| 2004 | 45 | 53 |
| 2005 | 43 | 50 |
| 2006 | 35 | 40 |
| 2007 | 38 | 49 |
| 2008 | 38 | 63 |
| 2009 | 36 | 53 |
| 2010 | 54 | 62 |
| 2011 | 56 | 59 |
| 2012 | 61 | 61 |
| 2013 | 71 | 84 |
| 2014 | 86 | 102 |
| 2015 | 133 | 152 |
| 2016 | 132 | 183 |
| 2017 | 185 | 214 |
| 2018 | 201 | 253 |
| 2019 | 212 | 245 |
| 2020 | 209 | 238 |
| 2021 | 229 | 235 |
| 2022 | 231 | 258 |
| 2023 | 179 | 226 |
| 2024 | 166 | 231 |
| 2025 | 204 | 207 |
| 2026 | 154 | 149 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vehicle front structure6 Oct 2026US 12,752,727 B2Hyundai Motor Company
- Vehicle rear section structure6 Oct 2026US 12,752,851 B2Toyota Jidosha Kabushiki Kaisha
- Side sill for vehicle6 Oct 2026US 12,752,852 B2Posco
- Rocker assembly for a vehicle6 Oct 2026US 12,752,853 B2Autotech Engineering S.L.
- Vehicle body structure, and method for designing vehicle body structure6 Oct 2026US 12,752,854 B2Nippon Steel Corporation
- Vehicle lower structure8 Oct 2026US 2026/0307470 A1Mazda Motor Corporation
- Vehicle having ramp apparatus8 Oct 2026US 2026/0307571 A1Hyundai Motor Company
- Vehicle body joint structure8 Oct 2026US 2026/0307719 A1Hyundai Motor Company
- Joint structure of vehicle body8 Oct 2026US 2026/0307720 A1Hyundai Motor Company
- Joint structure of vehicle body8 Oct 2026US 2026/0307721 A1Hyundai Motor Company
Most cited
By later US patents
- Military vehicle259US 9,045,014 B1Oshkosh Defense, LLC · 2015
- Military vehicle211US 9,656,640 B1Oshkosh Defense, LLC · 2017
- Process and compositions for reinforcing structural members167US 4,923,902 AEssex Composite Systems · 1990
- Isolated cab mounting system for an armored vehicle147US 8,955,859 B1Oshkosh Corporation · 2015
- Military vehicle130US 10,434,995 B2Oshkosh Defense, LLC · 2019