A01G 23/099
Auxiliary devices
Official title: Auxiliary devices, e.g. felling wedges
A01G23/099 (Auxiliary devices) appears on 106 US grants and 94 published applications in this corpus.
Search patents in A01G- Granted patents
- 106
- Published applications
- 94
- Assignees
- 49
- Inventors
- 190
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 3 | 3 |
| 2004 | 2 | 6 |
| 2005 | 1 | 3 |
| 2006 | 5 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 2 | 0 |
| 2011 | 2 | 4 |
| 2012 | 2 | 3 |
| 2013 | 3 | 4 |
| 2014 | 2 | 5 |
| 2015 | 1 | 0 |
| 2016 | 4 | 5 |
| 2017 | 3 | 0 |
| 2018 | 1 | 4 |
| 2019 | 4 | 9 |
| 2020 | 2 | 4 |
| 2021 | 5 | 14 |
| 2022 | 3 | 4 |
| 2023 | 6 | 5 |
| 2024 | 7 | 1 |
| 2025 | 3 | 6 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable tree jack29 Sep 2026US 12,745,720 B2Tree Tech Tools Inc.
- Marking element18 Aug 2026US 12,711,344 B2Latschbacher GmbH
- Spreading device, method and powder-like mixture composition for controlling or preventing forest pathogens on tree stumps28 Apr 2026US 12,610,899 B2Danstar Ferment AG
- Method and system for felling sawing using a forest machine14 Oct 2025US 12,439,865 B2Ponsse Oyj
- Log marking device with a setting unit for the striking head9 Sep 2025US 12,408,600 B2
- Felling Wedge and Method for Operating a Felling Wedge8 Oct 2026US 2026/0305545 A1Andreas Stihl AG & CO.KG
- Saw head with autonomous stump treatment system10 Sep 2026US 2026/0262586 A1Deere & Company
- Slip hook for chain21 May 2026US 2026/0139727 A1
- Adjustable Tree Jack30 Apr 2026US 2026/0114390 A1Tree Tech Tools Inc.
- Marking element26 Mar 2026US 2026/0087298 A1Latschbacher GmbH
Most cited
By later US patents
- Method for timber harvesting and system for forestry56US 6,182,725 B22001
- Selectable spray pattern chain saw bar system30US 5,143,131 ABlount, Inc. · 1992
- Hydraulic safety hose27US 4,349,049 A1982
- Ultrasonic log grading23US 5,097,881 ABlount, Inc. · 1992
- Wedge for tree harvesting having an improved drive head20US 5,290,012 A1994