E02F 3/407
With ejecting or other unloading device
Official title: with ejecting {or other unloading} device
E02F3/407 (With ejecting or other unloading device) appears on 241 US grants and 205 published applications in this corpus.
Search patents in E02F- Granted patents
- 241
- Published applications
- 205
- Assignees
- 88
- Inventors
- 327
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 3 |
| 2003 | 4 | 2 |
| 2004 | 3 | 7 |
| 2005 | 2 | 4 |
| 2006 | 3 | 1 |
| 2007 | 4 | 4 |
| 2008 | 2 | 6 |
| 2009 | 4 | 1 |
| 2010 | 5 | 7 |
| 2011 | 6 | 7 |
| 2012 | 6 | 6 |
| 2013 | 4 | 15 |
| 2014 | 6 | 20 |
| 2015 | 22 | 15 |
| 2016 | 5 | 7 |
| 2017 | 17 | 14 |
| 2018 | 12 | 14 |
| 2019 | 8 | 5 |
| 2020 | 13 | 11 |
| 2021 | 7 | 6 |
| 2022 | 4 | 15 |
| 2023 | 7 | 9 |
| 2024 | 7 | 9 |
| 2025 | 11 | 12 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crusher bucket25 Aug 2026US 12,716,194 B2Meccanica Breganzese S.P.A. In Forma Abbreviata Mb S.P.A.
- Damping element for excavator buckets14 Jul 2026US 12,680,265 B2Minetec S.A.
- Funnel attachment for a heavy machinery bucket7 Jul 2026US 12,674,297 B1
- Snubber apparatus for earth-working bucket16 Jun 2026US 12,655,602 B29257-5810 QuéBec Inc.
- Dump liner device28 Apr 2026US 12,612,759 B2
- Screening bucket8 Oct 2026US 2026/0308873 A1Simex Engineering S.R.L.
- Snubber apparatus for earth-working bucket1 Oct 2026US 2026/0297889 A19257-5810 QuéBec Inc.
- Latch keeper assembly for earth-working bucket6 Aug 2026US 2026/0226698 A19257-5810 QuéBec Inc.
- Material handler skip pan12 Mar 2026US 2026/0071402 A1Modern Fabrication Inc.
- Modular digging attachment1 Jan 2026US 2026/0002333 A1
Most cited
By later US patents
- Metal cutting shear and adapter for mounting on a backhoe62US 4,670,983 AAllied Gator, Inc. · 1987
- Vibrating bucket screen for beaches47US 5,160,034 A1992
- Power shovel38US 5,469,647 AHarnischfeger Corporation · 1995
- Retarding mechanism for the dipper door of a mining shovel34US 5,815,960 AHarnischfeger Corporation · 1998
- Triple-purpose attachment31US 4,845,867 AWausau Machine and Technology, Inc. · 1989