B60C 27/04
The ground-engaging part being rigid
Official title: the ground-engaging part being rigid
B60C27/04 (The ground-engaging part being rigid) appears on 110 US grants and 56 published applications in this corpus.
Search patents in B60C- Granted patents
- 110
- Published applications
- 56
- Assignees
- 27
- Inventors
- 137
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 1 | 3 |
| 2014 | 3 | 6 |
| 2015 | 3 | 1 |
| 2016 | 2 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 4 |
| 2019 | 4 | 2 |
| 2020 | 1 | 0 |
| 2021 | 3 | 5 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 3 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
Most cited
By later US patents
- Adaptor for screwheads and the like24US 4,884,933 AConfon AG · 1989
- Anti-skidding device for tired, particularly pneumatic-tired vehicle wheels on ice and snow21US 4,405,006 AFirma Niveau AG · 1983
- Vehicle anti-skid mechanisms20US 3,995,909 A1976
- Mud and snow tire cleats17US 4,089,359 A1978
- Enhanced traction wheel assembly17US 4,752,079 ASurfco · 1988