A01G 23/089
Having two or more shears
Official title: having two or more shears
A01G23/089 (Having two or more shears) appears on 34 US grants and 9 published applications in this corpus.
Search patents in A01G- Granted patents
- 34
- Published applications
- 9
- Assignees
- 15
- Inventors
- 41
- Latest grant
- 31 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Tree felling blade for use with heavy equipment19 May 2022US 2022/0151167 A1106 Reforestation, LLC
- Replaceable Knife Insert10 Jun 2021US 2021/0169020 A1Engineering Services Rotorua Ltd.
- Tree shear head assembly15 Mar 2018US 2018/0070541 A1
- Log loader11 Jul 2013US 2013/0177373 A1Pierce Pacific Manufacturing, Inc.
Most cited
By later US patents
- 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
- Cross-cut shear for trees12US 4,046,179 A1977
- Tree shear blade structure12US 4,274,457 A1981
- Shear-mechanism-tree harvester9US 3,995,671 ACaterpillar Tractor Co. · 1976