E02F 3/847
Using electromagnetic, optical or acoustic beams to determine the blade position
Official title: {using electromagnetic, optical or acoustic beams to determine the blade position, e.g. laser beams}
E02F3/847 (Using electromagnetic, optical or acoustic beams to determine the blade position) appears on 221 US grants and 195 published applications in this corpus.
Search patents in E02F- Granted patents
- 221
- Published applications
- 195
- Assignees
- 60
- Inventors
- 388
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
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| 1983 | 1 | 0 |
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| 1998 | 5 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 2 |
| 2002 | 6 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 4 |
| 2006 | 3 | 5 |
| 2007 | 5 | 6 |
| 2008 | 2 | 9 |
| 2009 | 5 | 4 |
| 2010 | 4 | 6 |
| 2011 | 3 | 2 |
| 2012 | 5 | 5 |
| 2013 | 8 | 9 |
| 2014 | 8 | 6 |
| 2015 | 4 | 7 |
| 2016 | 8 | 12 |
| 2017 | 8 | 10 |
| 2018 | 6 | 8 |
| 2019 | 11 | 9 |
| 2020 | 13 | 22 |
| 2021 | 16 | 16 |
| 2022 | 7 | 9 |
| 2023 | 11 | 16 |
| 2024 | 12 | 10 |
| 2025 | 11 | 8 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method of monitoring and adjusting blade pitch to inhibit blade damage11 Aug 2026US 12,703,960 B2Caterpillar Inc.
- Laser receiver height adjustment14 Jul 2026US 12,680,266 B2Deere & Company
- Method and system of controlling a display device on a work machine having grade control24 Mar 2026US 12,584,297 B2Deere & Company
- Method of controlling a grading attachment on a skid steer vehicle3 Feb 2026US 12,540,452 B2
- Control system and method for a work tool on a utility vehicle13 Jan 2026US 12,523,005 B2Deere & Company
- Positionable vibratory roller13 Aug 2026US 2026/0234889 A1Deere & Company
- System and method of automated multipass slope control using an initial reference30 Jul 2026US 2026/0218483 A1Deere & Company
- Ride control using pressure regulated cylinders23 Jul 2026US 2026/0210072 A1Deere & Company
- Working machine23 Jul 2026US 2026/0210076 A1Yanmar Holdings Co., Ltd.
- Machine with a perception sensor system that includes multiple sets of one or more sensors28 May 2026US 2026/0146405 A1Caterpillar Inc.
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
- 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
- Earthmoving apparatus and method for grading land providing continuous resurveying127US 5,375,663 ASpectra-Physics Laserplane, Inc. · 1994