E02F 3/7663
Graders with the scraper blade mounted under a frame supported by wheels
Official title: {Graders with the scraper blade mounted under a frame supported by wheels, or the like}
E02F3/7663 (Graders with the scraper blade mounted under a frame supported by wheels) appears on 160 US grants and 132 published applications in this corpus.
Search patents in E02F- Granted patents
- 160
- Published applications
- 132
- Assignees
- 51
- Inventors
- 264
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 3 | 7 |
| 2009 | 2 | 3 |
| 2010 | 4 | 5 |
| 2011 | 2 | 2 |
| 2012 | 3 | 2 |
| 2013 | 3 | 5 |
| 2014 | 4 | 4 |
| 2015 | 4 | 6 |
| 2016 | 5 | 6 |
| 2017 | 6 | 9 |
| 2018 | 10 | 8 |
| 2019 | 8 | 9 |
| 2020 | 10 | 15 |
| 2021 | 8 | 12 |
| 2022 | 6 | 7 |
| 2023 | 4 | 7 |
| 2024 | 9 | 7 |
| 2025 | 4 | 5 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E02F 3/7668With the scraper blade being pivotable about a vertical axis41
- E02F 3/7672With the scraper blade being pivotable about a horizontal axis disposed parallel36
- E02F 3/7677With the scraper blade being pivotable about a horizontal axis disposed perpendicular31
- E02F 3/7681With the scraper blade being horizontally movable into a position near the19
- E02F 3/7686With the vertical centre-line of the scraper blade disposed laterally relative to13
Recent patents
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- Spoils sifting and ground surface preparation apparatuses and systems24 Feb 2026US 12,557,719 B1ABI Attachments, Inc.
- Drive system with a tandem drive assembly24 Feb 2026US 12,559,908 B1Caterpillar Inc.
- Lock packing prevention for a bit6 Jan 2026US 12,516,509 B2Caterpillar Inc.
- Implement for Grading Roads16 Jul 2026US 2026/0201671 A1
- Foldable assembly9 Apr 2026US 2026/0098394 A1Deere & Company
- Material working attachments5 Mar 2026US 2026/0062879 A1Bourgault Machines Inc.
- Lock packing prevention for a bit19 Feb 2026US 2026/0049463 A1Caterpillar Inc.
- Work machine with a grading blade attachment having a knock down blade assembly14 Aug 2025US 2025/0257547 A1Deere & Company
Most cited
By later US patents
- Hydraulically operated grade scraper50US 4,217,962 A1980
- Machine joystick control system50US 7,497,298 B2Caterpillar Inc. · 2009
- Grading machine and blade moving structure therefor36US 4,299,290 A1981
- Land smoother and packer system32US 6,119,792 A2000
- Earth scraper attachment for a tractor or the like29US 4,898,247 A1990