E02F 3/655
Loading or elevator mechanisms
Official title: {Loading or elevator mechanisms (loading devices for excavators in general E02F7/04)}
E02F3/655 (Loading or elevator mechanisms) appears on 42 US grants and 10 published applications in this corpus.
Search patents in E02F- Granted patents
- 42
- Published applications
- 10
- Assignees
- 15
- Inventors
- 53
- Latest grant
- 1 Jan 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Stopper assembly for an implement of a machine1 Jan 2019US 10,167,893 B2Caterpillar Global Mining LLC
- Bimaterial flight assembly for an elevator system for a wheel tractor scraper28 Oct 2014US 8,869,972 B2Caterpillar Inc.
- Rear wheel drive assist with articulation based speed modulation11 Jun 2013US 8,459,394 B2Caterpillar Inc.
- Wheel tractor scraper rear wheel drive assist and method of operation22 Nov 2011US 8,061,466 B2Caterpillar Inc.
- Rear wheel drive assist for a wheel tractor scraper8 Nov 2011US 8,051,916 B2Caterpillar Inc.
- Stopper assembly for an implement of a machine5 Oct 2017US 2017/0284456 A1Caterpillar Global Mining America LLC
- System and method for machine inclination measurement11 Sep 2014US 2014/0257732 A1Caterpillar Inc.
- Bimaterial Flight Assembly for an Elevator System for a Wheel Tractor Scraper21 Feb 2013US 2013/0043107 A1Caterpillar Inc.
- Wheel tractor scraper rear wheel drive assist and method of operation28 Jan 2010US 2010/0018727 A1Caterprillar Inc.
- Rear wheel drive assist for a wheel tractor scraper28 Jan 2010US 2010/0018728 A1Caterpillar Inc.
Most cited
By later US patents
- Mechanical chain adjuster for scraper elevator chains21US 4,128,952 AInternational Harvester Company · 1978
- Chain tensioning mechanism for scraper elevator device17US 3,930,323 AGeneral Motors Corporation · 1976
- Elevating-type scraper having forwardly swingable floor section10US 3,934,362 AWestinghouse Air Brake Company · 1976
- Draft sensing elevating scraper with automatic elevator speed control8US 3,978,597 AInternational Harvester Company · 1976
- Wheel tractor scraper rear wheel drive assist and method of operation8US 8,061,466 B2Caterpillar Inc. · 2011