A01G 23/087
Shearing apparatus or the like specially adapted for felling trees
Official title: Shearing apparatus or the like specially adapted for felling trees (A01G23/081, A01G23/083, A01G23/093 take precedence)
A01G23/087 (Shearing apparatus or the like specially adapted for felling trees) appears on 76 US grants and 32 published applications in this corpus.
Search patents in A01G- Granted patents
- 76
- Published applications
- 32
- Assignees
- 33
- Inventors
- 81
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 11 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 3 | 6 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 3 | 2 |
| 2023 | 4 | 3 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for aerial tool configurations24 Mar 2026US 12,582,047 B2
- Tree saw27 Jan 2026US 12,532,813 B2Dinotooth Cutter, LLC
- Sensor mount and assembly for a timber-working device29 Oct 2024US 12,127,508 B2Deere & Company
- Gripper15 Oct 2024US 12,114,614 B2
- Replaceable knife insert31 Oct 2023US 11,800,838 B2Engineering Services Rotorua Ltd.
- A method for processing wood and a control system for controlling the operation of the harvester head of a forest work machine23 Jul 2026US 2026/0206697 A1Ponsse Oyj
- Apparatus for aerial tool configurations13 Mar 2025US 2025/0081896 A1
- Apparatus for aerial tool configurations7 Sep 2023US 2023/0276740 A1
- Tree saw7 Sep 2023US 2023/0276741 A1Dinototh Cutter, LLC.
- An Energy Wood Grapple and A Method for Assembling an Energy Wood Grapple20 Apr 2023US 2023/0121311 A1Kx-Treeshears Oy
Most cited
By later US patents
- Quick hitch attachment29US 6,655,054 B12003
- Brush and tree cutter blade20US 5,063,731 A1991
- Suspension device for felling unit18US 4,083,463 AUmea Mekaniska AB · 1978
- Underwater self-gripping pile cutting device18US 4,168,729 AThe United States of America as represented by the Secretary of the Navy · 1979
- Tree shear17US 5,503,201 AF & S Industries · 1996