E02F 3/46
With reciprocating digging or scraping elements moved by cables or hoisting ropes
Official title: with reciprocating digging or scraping elements moved by cables or hoisting ropes {; Drives or control devices therefor (E02F3/205, E02F3/905 take precedence)}
E02F3/46 (With reciprocating digging or scraping elements moved by cables or hoisting ropes) appears on 422 US grants and 405 published applications in this corpus.
Search patents in E02F- Granted patents
- 422
- Published applications
- 405
- Assignees
- 135
- Inventors
- 614
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 1 |
| 2003 | 3 | 5 |
| 2004 | 3 | 4 |
| 2005 | 1 | 3 |
| 2006 | 3 | 3 |
| 2007 | 1 | 6 |
| 2008 | 2 | 6 |
| 2009 | 5 | 4 |
| 2010 | 4 | 6 |
| 2011 | 2 | 12 |
| 2012 | 6 | 17 |
| 2013 | 16 | 33 |
| 2014 | 14 | 35 |
| 2015 | 27 | 31 |
| 2016 | 28 | 31 |
| 2017 | 23 | 30 |
| 2018 | 30 | 25 |
| 2019 | 24 | 20 |
| 2020 | 18 | 16 |
| 2021 | 16 | 14 |
| 2022 | 16 | 32 |
| 2023 | 12 | 18 |
| 2024 | 24 | 25 |
| 2025 | 18 | 20 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dipper lip29 Sep 2026US 12,747,558 B2Caterpillar Inc.
- Plate compactor29 Sep 2026US 12,747,564 B2Milwaukee Electric Tool Corporation
- Grab device and method for operating a grab device15 Sep 2026US 12,735,857 B2BAUER Maschinen GmbH
- Bearing assembly for driveshafts of draglines1 Sep 2026US 12,723,365 B2Caterpillar Global Mining LLC
- Construction method and arrangement for carrying out a construction project4 Aug 2026US 12,700,049 B2BAUER Spezialtiefbau GmbH
- Deep Foundation Excavator13 Aug 2026US 2026/0234897 A1Hitachi Construction Machinery Co., Ltd.
- Latch keeper assembly for earth-working bucket6 Aug 2026US 2026/0226698 A19257-5810 QuéBec Inc.
- Liner plate mounting assembly21 May 2026US 2026/0139459 A1Caterpillar Global Mining LLC
- Hydraulic centre pintle puller9 Apr 2026US 2026/0097458 A1Canadian Natural Upgrading Limited
- Method for determining a position and/or movement of a rope9 Apr 2026US 2026/0097933 A1Liebherr-Werk Nenzing GmbH
Most cited
By later US patents
- Systems, devices, and/or methods regarding excavating73US 7,832,126 B2Siemens Industry, Inc. · 2010
- Method of transforming sludge into ecologically acceptable solid material63US 4,079,003 A1978
- Lock assembly for wearable structure50US 5,241,765 AESCO Corporation · 1993
- Dragline bucket, rigging and system47US 8,572,870 B2ESCO Corporation · 2013
- Method and apparatus for monitoring a load condition of a dragline40US 7,472,009 B2Leica Geosystems AG · 2008