A01G 23/091
Sawing apparatus specially adapted for felling trees
Official title: Sawing apparatus specially adapted for felling trees (A01G23/081, A01G23/083, A01G23/093 take precedence)
A01G23/091 (Sawing apparatus specially adapted for felling trees) appears on 210 US grants and 135 published applications in this corpus.
Search patents in A01G- Granted patents
- 210
- Published applications
- 135
- Assignees
- 79
- Inventors
- 285
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 11 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 2 |
| 2003 | 3 | 5 |
| 2004 | 2 | 4 |
| 2005 | 1 | 0 |
| 2006 | 4 | 5 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 4 |
| 2010 | 2 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 7 |
| 2013 | 1 | 3 |
| 2014 | 1 | 4 |
| 2015 | 6 | 7 |
| 2016 | 4 | 7 |
| 2017 | 7 | 9 |
| 2018 | 7 | 7 |
| 2019 | 13 | 16 |
| 2020 | 6 | 3 |
| 2021 | 4 | 13 |
| 2022 | 6 | 9 |
| 2023 | 9 | 7 |
| 2024 | 5 | 6 |
| 2025 | 7 | 7 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for harvesting timber25 Aug 2026US 12,714,040 B2
- Quick attach saw tooth19 May 2026US 12,629,758 B1Deere & Company
- Device for harvesting timber12 May 2026US 12,622,369 B2
- Work machine and work machine support system28 Apr 2026US 12,612,758 B2Sumitomo Heavy Industries, Ltd.
- Apparatus for aerial tool configurations24 Mar 2026US 12,582,047 B2
- Saw head with autonomous stump treatment system10 Sep 2026US 2026/0262586 A1Deere & Company
- Saw blade arrangement with lubricant supply channel and methods for manufacturing and using such a saw blade30 Apr 2026US 2026/0114389 A1Jps Teknik AB
- Arrangement, device, felling head and forestry vehicle with a lubrication system8 Jan 2026US 2026/0007112 A1Deere & Company
- Method for measuring and analyzing a forest area for a forestry vehicle18 Sep 2025US 2025/0287887 A1Deere & Company
- Chainsaw7 Aug 2025US 2025/0249620 A1Greenworks (Jiangsu) Co., Ltd.
Most cited
By later US patents
- Cutting tooth119US 5,211,212 ABlount, Inc. · 1993
- Tree felling apparatus and saw tooth82US 4,932,447 A1990
- Field repairable circular saw45US 4,563,929 AWeyerhaeuser Company · 1986
- Cutter tooth and tool employing it45US 4,750,396 AWeyerhaeuser Company · 1988
- Gripping and cutting apparatus41US 6,408,906 B1Innotec Engineering, Inc. · 2002