E02F 3/6454
Towed scrapers
Official title: {Towed (i.e. pulled or pushed) scrapers}
E02F3/6454 (Towed scrapers) appears on 165 US grants and 72 published applications in this corpus.
Search patents in E02F- Granted patents
- 165
- Published applications
- 72
- Assignees
- 36
- Inventors
- 213
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 19 | 0 |
| 1978 | 12 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 3 | 5 |
| 2006 | 3 | 5 |
| 2007 | 2 | 5 |
| 2008 | 5 | 5 |
| 2009 | 0 | 7 |
| 2010 | 4 | 2 |
| 2011 | 1 | 0 |
| 2012 | 2 | 4 |
| 2013 | 1 | 3 |
| 2014 | 2 | 3 |
| 2015 | 0 | 3 |
| 2016 | 2 | 4 |
| 2017 | 4 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 2 |
| 2020 | 3 | 4 |
| 2021 | 1 | 0 |
| 2022 | 0 | 3 |
| 2023 | 5 | 3 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E02F 3/6481With scraper bowls with an ejector having translational movement for dumping the74
- E02F 3/6472With elements of the scraper bowls being pivotable for dumping the soil17
- E02F 3/6463With rotatable scraper bowls for dumping the soil14
- E02F 3/649With conveying means for emptying the scraper bowl1
Recent patents
- Earth scraper23 Jun 2026US 12,662,794 B2
- Scraper control method4 Jun 2024US 12,000,109 B2Deere & Company
- Earth-moving machine sensing and control system7 Nov 2023US 11,808,007 B2Deere & Company
- Earth-moving machine sensing and control system28 Feb 2023US 11,591,776 B2Deere & Company
- Scraper vehicle10 Jan 2023US 11,549,233 B2JDC Corporation
- Earth scraper21 Mar 2024US 2024/0093462 A1
- Box Scraper Assembly10 Aug 2023US 2023/0250611 A1
- Scraper control method2 Mar 2023US 2023/0066877 A1Deere & Company
- Electrical drive system for earth moving machinery2 Mar 2023US 2023/0067152 A1
- Scraper Vehicle, Method of Controlling the Same, and Towing Vehicle16 Jun 2022US 2022/0186464 A1JDC Corporation
Most cited
By later US patents
- Hydraulically operated grade scraper50US 4,217,962 A1980
- Earth scraper with track apparatus40US 7,077,216 B2ATI, Inc. · 2006
- Excavating system utilizing machine-to-machine communication31US 8,170,756 B2Caterpillar Inc. · 2012
- Wheel tractor scraper production optimization29US 8,229,631 B2Caterpillar Inc. · 2012
- Brake cooling circuit26US 4,083,469 ACaterpillar Tractor Co. · 1978