A01D 34/902
Ergonomic provisions
Official title: {Ergonomic provisions}
A01D34/902 (Ergonomic provisions) appears on 111 US grants and 146 published applications in this corpus.
Search patents in A01D- Granted patents
- 111
- Published applications
- 146
- Assignees
- 61
- Inventors
- 298
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 5 |
| 2003 | 2 | 1 |
| 2004 | 3 | 4 |
| 2005 | 2 | 2 |
| 2006 | 2 | 8 |
| 2007 | 0 | 4 |
| 2008 | 1 | 5 |
| 2009 | 4 | 12 |
| 2010 | 3 | 6 |
| 2011 | 3 | 4 |
| 2012 | 2 | 5 |
| 2013 | 3 | 13 |
| 2014 | 2 | 9 |
| 2015 | 7 | 5 |
| 2016 | 2 | 3 |
| 2017 | 3 | 4 |
| 2018 | 5 | 5 |
| 2019 | 6 | 5 |
| 2020 | 5 | 10 |
| 2021 | 5 | 8 |
| 2022 | 0 | 3 |
| 2023 | 7 | 3 |
| 2024 | 4 | 10 |
| 2025 | 7 | 7 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable tool with grippable rear handle18 Aug 2026US 12,710,781 B2Echo Incorporated
- Weed trimmer mount assembly17 Mar 2026US 12,575,489 B2
- Portable tool with adjustable gripping assembly8 Jul 2025US 12,349,624 B2Echo Incorporated
- Handle for a hand-guided power tool and trimmer8 Jul 2025US 12,349,625 B2Andreas Stihl AG & CO.KG
- Working machine with operating rod and hanging tool for shoulder belt10 Jun 2025US 12,324,369 B2Yamabiko Corporation
- Tool carrying harness and strap assembly for adjusting the same2 Apr 2026US 2026/0090626 A1Husqvarna AB
- Power tool19 Mar 2026US 2026/0076298 A1Positec Power Tools (Suzhou) Co., Ltd.
- Portable tool with grippable rear handle19 Mar 2026US 2026/0079520 A1Echo Incorporated
- Work apparatus29 Jan 2026US 2026/0027698 A1Andreas Stihl AG & CO.KG
- Hanging Plate And Working Machine9 Oct 2025US 2025/0311670 A1Yamabiko Corporation
Most cited
By later US patents
- Portable power operated tool64US 4,179,805 AYamada Machinery Industrial Co., Ltd. · 1979
- Portable power unit for various power tolls54US 4,989,323 ACaspro Mechanical Technologies, Inc. · 1991
- Battery powered line trimmer53US 5,181,369 AInertia Dynamics, Inc. · 1993
- Battery powered line trimmer arm rest48US 5,265,341 APyobi Outdoor Products, Inc. · 1993
- Shaft assembly for lawn trimmer44US 4,226,021 AHoffco, Inc. · 1980