E02F 3/6409
Self-propelled scrapers
Official title: {Self-propelled scrapers}
E02F3/6409 (Self-propelled scrapers) appears on 49 US grants and 26 published applications in this corpus.
Search patents in E02F- Granted patents
- 49
- Published applications
- 26
- Assignees
- 21
- Inventors
- 68
- Latest grant
- 29 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 3 |
| 2017 | 1 | 3 |
| 2018 | 5 | 3 |
| 2019 | 4 | 2 |
| 2020 | 1 | 3 |
| 2021 | 3 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- E02F 3/6436With scraper bowls with an ejector having translational movement for dumping the21
- E02F 3/6427With elements of the scraper bowls being pivotable for dumping the soil10
- E02F 3/6418With rotatable scraper bowls for dumping the soil9
- E02F 3/6445With conveying means for emptying the scraper bowl3
Recent patents
- Engagement control system and method29 Nov 2022US 11,512,454 B2Caterpillar Inc.
- Electrically powered mining vehicle15 Jun 2021US 11,035,095 B2Artisan Vehicle Systems, Inc.
- Optimizing loading of a payload carrier of a machine11 May 2021US 11,001,991 B2Caterpillar Inc.
- Two-dimensional attachment grade control for work vehicle13 Apr 2021US 10,975,547 B2Deere & Company
- Removable wiper wall18 Aug 2020US 10,745,884 B2Deere & Company
- Dragline with robotic bucket for dredging and excavating1 Dec 2022US 2022/0381001 A1
- Optimizing loading of a payload carrier of a machine16 Jul 2020US 2020/0224390 A1Caterpillar Inc.
- Two-Dimensional Attachment Grade Control for Work Vehicle11 Jun 2020US 2020/0181874 A1Deere & Company
- Engagement Control System and Method9 Jan 2020US 2020/0011034 A1Caterpillar Inc.
- Removable wiper wall12 Sep 2019US 2019/0277005 A1Deere & Company
Most cited
By later US patents
- System for determining autonomous adjustments to an implement position and angle66US 10,066,367 B1Robo Industries, Inc. · 2018
- Excavating system utilizing machine-to-machine communication31US 8,170,756 B2Caterpillar Inc. · 2012
- Wheel tractor scraper production optimization29US 8,229,631 B2Caterpillar Inc. · 2012
- Mechanical chain adjuster for scraper elevator chains21US 4,128,952 AInternational Harvester Company · 1978
- Method of padding pipe19US 4,057,917 A1977