B62D 55/21
Links connected by transverse pivot pins
B62D55/21 (Links connected by transverse pivot pins) appears on 360 US grants and 373 published applications in this corpus.
Search patents in B62D- Granted patents
- 360
- Published applications
- 373
- Assignees
- 95
- Inventors
- 470
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 11 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 3 |
| 2002 | 11 | 4 |
| 2003 | 6 | 14 |
| 2004 | 5 | 6 |
| 2005 | 9 | 6 |
| 2006 | 1 | 11 |
| 2007 | 4 | 3 |
| 2008 | 4 | 8 |
| 2009 | 5 | 15 |
| 2010 | 8 | 13 |
| 2011 | 8 | 13 |
| 2012 | 9 | 16 |
| 2013 | 9 | 7 |
| 2014 | 12 | 19 |
| 2015 | 14 | 23 |
| 2016 | 26 | 24 |
| 2017 | 17 | 18 |
| 2018 | 8 | 26 |
| 2019 | 17 | 22 |
| 2020 | 14 | 21 |
| 2021 | 23 | 25 |
| 2022 | 11 | 23 |
| 2023 | 26 | 21 |
| 2024 | 18 | 10 |
| 2025 | 9 | 12 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bushingless track pin for a track type vehicle22 Sep 2026US 12,741,706 B2Caterpillar Inc.
- Articulating-link turnable track drive1 Sep 2026US 12,722,724 B1The United States of America as represented by the Secretary of the Navy
- Sleeve bearing having a flared end7 Jul 2026US 12,674,486 B2Caterpillar Inc.
- Track disassembling device19 May 2026US 12,630,239 B2Huaneng Yimin Coal-Power Co., Ltd.
- Track joint assembly retainer plate21 Apr 2026US 12,606,258 B2Caterpillar Inc.
- Track link with blind hole and assembly thereof10 Sep 2026US 2026/0264779 A1Caterpillar Inc.
- Track and tracked vehicle comprising such track30 Jul 2026US 2026/0217324 A1Berco S.p.A.
- Track link assembly11 Jun 2026US 2026/0159184 A1Berco S.p.A.
- Pin Bushing and Method of Manufacturing the Same7 May 2026US 2026/0126080 A1Caterpillar Inc.
- Bushing with sleeve30 Apr 2026US 2026/0116482 A1Caterpillar Inc.
Most cited
By later US patents
- Master track chain connection for crawler tractors40US 4,636,014 ACaterpillar Inc. · 1987
- Composite tread for track-laying vehicles40US 4,880,283 AGeneral Motors Corporation · 1989
- Double V-shaped endless track drive system39US 5,005,922 AEdwards, Harper, McNew & Company · 1991
- Track link assembly having positive pin retention37US 5,887,958 ABerco S.p.A. · 1999
- Cartridge assembly for a track chain of a track type work machine37US 6,382,742 B1Caterpillar Inc. · 2002