E02F 3/34
With bucket-arms , i.e. a pair of arms
Official title: with bucket-arms {, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms (with a single arm E02F3/283)} directly pivoted on the frames of tractors or self-propelled machines
E02F3/34 (With bucket-arms , i.e. a pair of arms) appears on 954 US grants and 998 published applications in this corpus.
Search patents in E02F- Granted patents
- 954
- Published applications
- 998
- Assignees
- 241
- Inventors
- 1,708
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 5 |
| 2002 | 8 | 8 |
| 2003 | 13 | 20 |
| 2004 | 14 | 17 |
| 2005 | 11 | 17 |
| 2006 | 15 | 13 |
| 2007 | 6 | 15 |
| 2008 | 7 | 8 |
| 2009 | 12 | 22 |
| 2010 | 11 | 17 |
| 2011 | 12 | 18 |
| 2012 | 10 | 16 |
| 2013 | 21 | 19 |
| 2014 | 27 | 42 |
| 2015 | 31 | 31 |
| 2016 | 29 | 66 |
| 2017 | 48 | 72 |
| 2018 | 52 | 77 |
| 2019 | 90 | 67 |
| 2020 | 65 | 76 |
| 2021 | 54 | 61 |
| 2022 | 48 | 65 |
| 2023 | 55 | 59 |
| 2024 | 58 | 79 |
| 2025 | 57 | 61 |
| 2026 | 45 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E02F 3/3414The arms being pivoted at the rear of the vehicle chassis409
- E02F 3/3405And comprising an additional linkage mechanism246
- E02F 3/3417Buckets emptying by tilting105
- E02F 3/342Buckets emptying overhead43
- E02F 3/3402The arms being telescopic27
- E02F 3/348Buckets emptying into a collecting or conveying device20
- E02F 3/352Buckets movable along a fixed guide20
- E02F 3/345Buckets emptying side-ways17
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- Loader with improved arm path24 Sep 2026US 2026/0286644 A1Great Plains Manufacturing, Inc.
- Work machine and load mass calculation method24 Sep 2026US 2026/0286660 A1Komatsu Ltd.
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Most cited
By later US patents
- Pavement planing machine71US 4,878,713 AAlitec Corporation · 1989
- Load weighing and accumulating system and method for hydraulic loader68US 4,230,196 A1980
- Knock-down construction for front end loader66US 4,576,543 AKMW Products Limited · 1986
- Lift boom assembly for a loader machine60US 5,609,464 ACase Corporation · 1997
- Features of main control computer for a power machine60US 6,202,014 B1Clark Equipment Company · 2001