E02F 3/427
With mechanical drives
Official title: {with mechanical drives (by cables or hoisting ropes E02F3/46 take precedence)}
E02F3/427 (With mechanical drives) appears on 59 US grants and 35 published applications in this corpus.
Search patents in E02F- Granted patents
- 59
- Published applications
- 35
- Assignees
- 25
- Inventors
- 105
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 3 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 2 |
| 2024 | 2 | 6 |
| 2025 | 9 | 7 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric cylinder and work machine25 Nov 2025US 12,480,276 B2Komatsu Ltd.
- Construction equipment4 Nov 2025US 12,460,384 B2Volvo Construction Equipment AB
- Work machine28 Oct 2025US 12,454,805 B2Komatsu Ltd.
- Drive transmission device and construction machine28 Oct 2025US 12,454,810 B2Nabtesco Corporation
- Work vehicle30 Sep 2025US 12,428,802 B2Kubota Corporation
- Electric work machine with energy recovery10 Sep 2026US 2026/0266026 A1Caterpillar Inc.
- Actuator for moving a blade unit relative to a frame of a construction machine and associated construction machine23 Apr 2026US 2026/0110154 A1Volvo Construction Equipment AB
- Construction machine and working device for construction machine15 Jan 2026US 2026/0015815 A1Nabtesco Corporation
- Speed reducer, drive device, and construction material13 Nov 2025US 2025/0347081 A1Nabtesco Corporation
- Speed reducer, drive device, and construction machine9 Oct 2025US 2025/0314043 A1Nabtesco Corporation
Most cited
By later US patents
- Method and apparatus for determining the location of a work implement149US 5,404,661 ACaterpillar Inc. · 1995
- Power shovel and crowd system therefor60US 4,046,270 AMarion Power Shovel Company, Inc. · 1977
- Determining of the amount of material delivered each operational cycle of a shovel loader44US 4,809,794 A1989
- Power shovel with variable pitch braces33US 5,499,463 AHarnischfeger Corporation · 1996
- Power shovel and crowd system therefor30US 3,971,215 AMarion Power Shovel Company, Inc. · 1976