B62D 55/213
Master track links
Official title: {Master track links}
B62D55/213 (Master track links) appears on 69 US grants and 49 published applications in this corpus.
Search patents in B62D- Granted patents
- 69
- Published applications
- 49
- Assignees
- 25
- Inventors
- 110
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 4 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 2 | 2 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 3 | 5 |
| 2017 | 2 | 1 |
| 2018 | 2 | 6 |
| 2019 | 4 | 6 |
| 2020 | 6 | 5 |
| 2021 | 2 | 2 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chain pin assembly17 Feb 2026US 12,552,473 B2Italtractor Itm S.P.A.
- Master link and articulated chain assembly for machine16 Jul 2024US 12,037,064 B2Caterpillar Inc.
- Master link anti-over rotation plug8 Aug 2023US 11,718,356 B2Caterpillar Inc.
- Connection assembly for articulated chains4 Apr 2023US 11,618,517 B2Italtractor Itm S.P.A.
- Ground-engaging track for machine having multi-tooth master link4 Apr 2023US 11,618,518 B2Caterpillar Inc.
- Master link end for master link assembly and related methods23 Apr 2026US 2026/0109418 A1Caterpillar Inc.
- Master link and half link for same configured for stress de-concentration19 Jun 2025US 2025/0196952 A1Caterpillar Inc.
- Track link structure and track link assembly31 Oct 2024US 2024/0359756 A1Everpads Co., Ltd.
- Retrofittable track link for endless crawler tracks of work machines10 Oct 2024US 2024/0336311 A1Caterpillar Inc.
- Chain pin assembly6 Jul 2023US 2023/0211839 A1Italtractor Itm S.P.A.
Most cited
By later US patents
- Master track chain connection for crawler tractors40US 4,636,014 ACaterpillar Inc. · 1987
- Double V-shaped endless track drive system39US 5,005,922 AEdwards, Harper, McNew & Company · 1991
- Tapered master link design for tracked undercarriage30US 7,614,709 B2Caterpillar Inc. · 2009
- Two-piece master track link26US 4,457,565 A1984
- Master link for a track chain26US 6,783,196 B2Caterpillar Inc. · 2004