E02F 3/8157
Shock absorbers
Official title: {Shock absorbers; Supports, e.g. skids, rollers; Devices for compensating wear-and-tear, or the like}
E02F3/8157 (Shock absorbers) appears on 101 US grants and 81 published applications in this corpus.
Search patents in E02F- Granted patents
- 101
- Published applications
- 81
- Assignees
- 46
- Inventors
- 162
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 3 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 4 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 5 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 3 | 2 |
| 2015 | 3 | 5 |
| 2016 | 1 | 3 |
| 2017 | 1 | 4 |
| 2018 | 3 | 7 |
| 2019 | 10 | 7 |
| 2020 | 6 | 7 |
| 2021 | 3 | 9 |
| 2022 | 6 | 2 |
| 2023 | 1 | 2 |
| 2024 | 4 | 3 |
| 2025 | 0 | 7 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- In and relating to the working of ground and other surfaces8 Sep 2026US 12,729,506 B2Progressive IP Limited
- Machine including implement linkages with bump stops2 Jun 2026US 12,644,251 B2Caterpillar Inc.
- Mounting assembly22 Oct 2024US 12,123,163 B2Caterpillar Inc.
- Work machines including automatic grading features and functions2 Jul 2024US 12,024,852 B2ABI Attachments, Inc.
- Retention assembly for grader machine blade25 Jun 2024US 12,018,453 B2Caterpillar Inc.
- Snow plow mounting system3 Sep 2026US 2026/0258619 A1Buyers Products Company
- Ride control using pressure regulated cylinders23 Jul 2026US 2026/0210072 A1Deere & Company
- Material working attachments5 Mar 2026US 2026/0062879 A1Bourgault Machines Inc.
- Durable cutting edges with wear resistant wear indicator25 Dec 2025US 2025/0389101 A1Caterpillar Inc.
- Circle assembly for implement13 Nov 2025US 2025/0347083 A1Caterpillar Inc.
Most cited
By later US patents
- Plow blade and moldboard shoe72US 7,874,085 B1Winter Equipment Company · 2011
- Snow plow51US 6,112,438 APro-Tech Welding and Fabrication, Inc. · 2000
- Snow plow having removable plow guard attachment42US 6,240,662 B12001
- Multipurpose-type blade device for earth moving machine33US 4,384,620 ACaterpillar Mitsubishi Ltd. · 1983
- Grader blade with tri-grade insert assembly on the leading edge31US 7,665,234 B2Kennametal Inc. · 2010