E02F 3/656
Ejector or dumping mechanisms
Official title: {Ejector or dumping mechanisms (for buckets mounted on a dipper-arm or bucket arms E02F3/407)}
E02F3/656 (Ejector or dumping mechanisms) appears on 40 US grants and 16 published applications in this corpus.
Search patents in E02F- Granted patents
- 40
- Published applications
- 16
- Assignees
- 19
- Inventors
- 44
- Latest grant
- 18 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 3 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 5 | 2 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Removable wiper wall18 Aug 2020US 10,745,884 B2Deere & Company
- Removable wiper wall24 Sep 2019US 10,422,106 B2Deere & Company
- Device for filling a bucket10 Sep 2019US 10,407,866 B2Tekno-Tuote S Mononen
- Soil spreading scraper device including deflecting paddles23 Jul 2019US 10,358,790 B2Elmer's Welding & Manufacturing Ltd.
- Ground scraper26 Mar 2019US 10,240,319 B2Loriden PTY LTD
- Removable wiper wall12 Sep 2019US 2019/0277005 A1Deere & Company
- Removable wiper wall3 Jan 2019US 2019/0003149 A1Deere & Company
- Device for filling a bucket1 Nov 2018US 2018/0313058 A1Tekno-Tuote S Mononen
- Stopper assembly for an implement of a machine5 Oct 2017US 2017/0284456 A1Caterpillar Global Mining America LLC
- Soil Spreading Scraper Device Including Deflecting Paddles26 Jan 2017US 2017/0022685 A1Dynamic Ditchers Inc.
Most cited
By later US patents
- Brake cooling circuit26US 4,083,469 ACaterpillar Tractor Co. · 1978
- Folding ejector linkage for material handling machinery19US 4,011,957 ACaterpillar Tractor Co. · 1977
- Towed scraper blade control method13US 7,458,428 B2Deere & Company · 2008
- High performance ejector scraper12US 6,041,528 AHarvey Mfg. Corp. · 2000
- Elevating-type scraper having forwardly swingable floor section10US 3,934,362 AWestinghouse Air Brake Company · 1976