E02F 3/32
Working downwardly and towards the machine
Official title: working downwardly and towards the machine, e.g. with backhoes
E02F3/32 (Working downwardly and towards the machine) appears on 1,256 US grants and 1,465 published applications in this corpus.
Search patents in E02F- Granted patents
- 1,256
- Published applications
- 1,465
- Assignees
- 197
- Inventors
- 1,990
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 10 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 9 | 0 |
| 1983 | 10 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 8 | 4 |
| 2003 | 5 | 8 |
| 2004 | 4 | 9 |
| 2005 | 6 | 10 |
| 2006 | 6 | 4 |
| 2007 | 4 | 7 |
| 2008 | 4 | 3 |
| 2009 | 4 | 16 |
| 2010 | 4 | 9 |
| 2011 | 12 | 4 |
| 2012 | 5 | 6 |
| 2013 | 7 | 33 |
| 2014 | 17 | 48 |
| 2015 | 37 | 57 |
| 2016 | 37 | 121 |
| 2017 | 105 | 156 |
| 2018 | 107 | 122 |
| 2019 | 123 | 96 |
| 2020 | 82 | 114 |
| 2021 | 78 | 119 |
| 2022 | 87 | 127 |
| 2023 | 64 | 95 |
| 2024 | 137 | 109 |
| 2025 | 106 | 105 |
| 2026 | 79 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Construction machine6 Oct 2026US 12,753,569 B2Hitachi Construction Machinery Co., Ltd.
- Electric drive of mobile apparatus29 Sep 2026US 12,747,557 B2Hudson Delta B.V.
- Shovel and shovel control device22 Sep 2026US 12,742,313 B2Sumitomo Construction Machinery Co., Ltd.
- Shovel15 Sep 2026US 12,735,856 B2Sumitomo Heavy Industries, Ltd.
- Electric excavator8 Sep 2026US 12,728,716 B2Komatsu Ltd.
- Mobile machine including thumb control system and associated method8 Oct 2026US 2026/0308867 A1Caterpillar Inc.
- Autonomous driving information calculation system and autonomous driving information calculation method8 Oct 2026US 2026/0308869 A1Hazama Ando Corporation
- Drive system for work machine, control device for work machine, control method for work machine, storage medium storing control program for work machine, and work machine8 Oct 2026US 2026/0308874 A1Nabtesco Corporation
- Vehicle and method for controlling a vehicle1 Oct 2026US 2026/0296442 A1ZF CV Systems Global GmbH
- Work machine and communication system for work machine1 Oct 2026US 2026/0297903 A1Komatsu Ltd.
Most cited
By later US patents
- Construction machine57US 6,922,925 B2Hitachi Construction Machinery Co., Ltd. · 2005
- Device arrangement structure for hybrid construction equipment54US 6,922,990 B2Komatsu Ltd. · 2005
- Automatic control of backhoe digging depth41US 4,129,224 ALaserplane Corporation · 1978
- Method and apparatus for laser beam control of backhoe digging depth40US 4,231,700 ASpectra-Physics, Inc. · 1980
- Backhoe attachment for skid steer loader40US 5,171,124 AFarmers' Factory Company · 1992