E02F 3/76
Graders, bulldozers, or the like with scraper plates or ploughshare-like elements
Official title: Graders, bulldozers, or the like with scraper plates or ploughshare-like elements (soil-working A01B); Levelling {scarifying} devices {(street cleaning E01H; construction of roads E01C19/00, E01C23/00)}
E02F3/76 (Graders, bulldozers, or the like with scraper plates or ploughshare-like elements) appears on 2,095 US grants and 1,778 published applications in this corpus.
Search patents in E02F- Granted patents
- 2,095
- Published applications
- 1,778
- Assignees
- 426
- Inventors
- 2,998
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 40 | 0 |
| 1977 | 45 | 0 |
| 1978 | 49 | 0 |
| 1979 | 29 | 0 |
| 1980 | 38 | 0 |
| 1981 | 37 | 0 |
| 1982 | 28 | 0 |
| 1983 | 19 | 0 |
| 1984 | 17 | 0 |
| 1985 | 22 | 0 |
| 1986 | 14 | 0 |
| 1987 | 16 | 0 |
| 1988 | 11 | 0 |
| 1989 | 29 | 0 |
| 1990 | 33 | 0 |
| 1991 | 15 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 17 | 0 |
| 1995 | 19 | 0 |
| 1996 | 18 | 0 |
| 1997 | 23 | 0 |
| 1998 | 40 | 0 |
| 1999 | 41 | 0 |
| 2000 | 38 | 0 |
| 2001 | 36 | 7 |
| 2002 | 25 | 21 |
| 2003 | 25 | 26 |
| 2004 | 22 | 37 |
| 2005 | 34 | 42 |
| 2006 | 29 | 29 |
| 2007 | 16 | 45 |
| 2008 | 17 | 46 |
| 2009 | 24 | 47 |
| 2010 | 37 | 24 |
| 2011 | 32 | 34 |
| 2012 | 27 | 48 |
| 2013 | 45 | 64 |
| 2014 | 64 | 78 |
| 2015 | 64 | 73 |
| 2016 | 66 | 115 |
| 2017 | 77 | 87 |
| 2018 | 73 | 117 |
| 2019 | 85 | 101 |
| 2020 | 96 | 147 |
| 2021 | 94 | 151 |
| 2022 | 112 | 104 |
| 2023 | 69 | 108 |
| 2024 | 104 | 95 |
| 2025 | 86 | 73 |
| 2026 | 70 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E02F 3/80Component parts1,516
- E02F 3/7609Scraper blade mounted forwardly of the tractor on a pair of pivoting456
- E02F 3/7636Graders with the scraper blade mounted under the tractor chassis331
- E02F 3/7622Scraper equipment with the scraper blade mounted on a frame to be196
- E02F 3/7663Graders with the scraper blade mounted under a frame supported by wheels160
- E02F 3/7604Combinations of scraper blades with soil loosening tools working independently of scraper125
- E02F 3/78With rotating digging elements82
- E02F 3/769Graders, bulldozers, or the like comprising loaders16
All 9 subgroupsShow fewer
Recent patents
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- Multidirectional grading control for work machines8 Oct 2026US 2026/0308871 A1Deere & Company
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Most cited
By later US patents
- Method and apparatus for establishing a perimeter defining an area to be traversed by a mobile machine227US 6,112,143 ACaterpillar Inc. · 2000
- Method and apparatus for real-time monitoring and coordination of multiple geography altering machines on a work site223US 5,646,844 ACaterpillar Inc. · 1997
- Position sensing system for surveying and grading189US 4,820,041 AAGTEK Development Company, Inc. · 1989
- Method and apparatus for accurately positioning a tool on a mobile machine using on-board laser and positioning system172US 6,108,076 ATrimble Navigation Limited · 2000
- Grading system149US 4,807,131 AClegg Engineering, Inc. · 1989