B21D 1/14
Straightening frame structures
B21D1/14 (Straightening frame structures) appears on 306 US grants and 84 published applications in this corpus.
Search patents in B21D- Granted patents
- 306
- Published applications
- 84
- Assignees
- 68
- Inventors
- 270
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 8 | 0 |
| 1980 | 8 | 0 |
| 1981 | 18 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 17 | 0 |
| 1986 | 11 | 0 |
| 1987 | 10 | 0 |
| 1988 | 13 | 0 |
| 1989 | 18 | 0 |
| 1990 | 13 | 0 |
| 1991 | 14 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 2 |
| 2003 | 5 | 8 |
| 2004 | 4 | 6 |
| 2005 | 4 | 6 |
| 2006 | 5 | 3 |
| 2007 | 3 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 3 | 3 |
| 2012 | 0 | 2 |
| 2013 | 0 | 4 |
| 2014 | 1 | 1 |
| 2015 | 5 | 5 |
| 2016 | 2 | 3 |
| 2017 | 4 | 5 |
| 2018 | 4 | 6 |
| 2019 | 2 | 4 |
| 2020 | 7 | 4 |
| 2021 | 3 | 4 |
| 2022 | 1 | 0 |
| 2023 | 5 | 4 |
| 2024 | 3 | 7 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Side rail repair tool16 Jun 2026US 12,654,214 B2
- Mobile chassis gooseneck straightener26 May 2026US 12,636,695 B2STI Holdings, Inc.
- Upgraded abutment bench11 Nov 2025US 12,465,970 B2Car Bench S.P.A.
- Automobile dent puller apparatus28 Oct 2025US 12,453,996 B2
- Quick-coupling panel straightening device17 Sep 2024US 12,090,539 B2Gys
- Dent straightening device30 Apr 2026US 2026/0115778 A1US Auto Supply
- Upgraded abutment bench5 Dec 2024US 2024/0399441 A1Car Bench S.P.A.
- Mobile chassis gooseneck straightener25 Jul 2024US 2024/0246132 A1STI Holdings, Inc.
- Metal-sheet straightening device25 Jul 2024US 2024/0246133 A1Gys
- Modular mold, modular device, universal insert for straightening profiles and corresponding method for straightening profiles18 Jul 2024US 2024/0238859 A1ROS Beheer B.V.
Most cited
By later US patents
- Vehicle straightener measuring unit, measuring apparatus reliant on reflected beams, and source, targets and method36US 4,997,283 A1991
- Vehicle body and frame measuring device35US 4,513,508 A1985
- Apparatus for reforming and straightening vehicles34US 4,055,061 AApplied Power Inc. · 1977
- Vehicle straightener measuring unit, measuring apparatus reliant on reflected beam(s), and source, targets and method34US 5,801,834 A1998
- Vehicle work rack structure28US 4,313,335 AKansas Jack, Inc. · 1982