E02F 3/14
Buckets
Official title: Buckets; Chains; Guides for buckets or chains; Drives for chains
E02F3/14 (Buckets) appears on 115 US grants and 89 published applications in this corpus.
Search patents in E02F- Granted patents
- 115
- Published applications
- 89
- Assignees
- 58
- Inventors
- 199
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 1 |
| 2002 | 4 | 4 |
| 2003 | 1 | 2 |
| 2004 | 2 | 3 |
| 2005 | 4 | 3 |
| 2006 | 3 | 3 |
| 2007 | 1 | 4 |
| 2008 | 2 | 5 |
| 2009 | 3 | 7 |
| 2010 | 8 | 4 |
| 2011 | 4 | 6 |
| 2012 | 4 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 4 |
| 2017 | 1 | 3 |
| 2018 | 1 | 7 |
| 2019 | 6 | 6 |
| 2020 | 1 | 5 |
| 2021 | 9 | 2 |
| 2022 | 1 | 7 |
| 2023 | 1 | 3 |
| 2024 | 1 | 2 |
| 2025 | 5 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E02F 3/142Tools mounted on buckets or chains which loosen the soil46
- E02F 3/143Chains45
- E02F 3/146Guides for chains or buckets20
- E02F 3/145Drives16
- E02F 3/144Emptying or cleaning the buckets11
- E02F 3/141Buckets9
- E02F 3/148Wheels, sprokets5
- E02F 3/147Arrangements for the co-operation between buckets or buckets and wheels3
Recent patents
- Dredge system2 Jun 2026US 12,644,252 B2Eddy Pump Corporation
- Drive pod system for an excavator23 Dec 2025US 12,503,832 B2One Pass Innovators, LLC
- Offset box apparatus for a trencher21 Oct 2025US 12,448,753 B2One Pass Innovators, LLC
- Trencher with a detachable digging box23 Sep 2025US 12,421,690 B2One Pass Innovators, LLC
- Forklift hydraulic motor based industrial driver apparatus27 May 2025US 12,313,096 B2One Pass Innovators, LLC
- Systems and methods for operating excavation machines3 Jul 2025US 2025/0215659 A1
- Bucket cleaning system22 May 2025US 2025/0162005 A1
- System and method for controlling load dependent valve flow with an overruning load6 Jun 2024US 2024/0183127 A1CNH Industrial America LLC
- Bucket And Method of Construction Thereof14 Mar 2024US 2024/0084545 A1Mainetec Pty Ltd
- Dredge system23 Nov 2023US 2023/0374751 A1Eddy Pump Corporation
Most cited
By later US patents
- Rolling assembly and pick assembly mounted on a trencher44US 7,681,338 B22010
- Method for in situ soil remediation40US 5,631,160 A1997
- Drive sprocket for a roller chain for material removal implement35US 6,415,532 B1The Toro Company · 2002
- Walk-behind trenching machine31US 7,644,524 B2The Toro Company · 2010
- Walk-behind trenching machine31US 7,805,864 B2The Toro Company · 2010