Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060863 | Level status indicator system and method | Robert P. Donker | 2021-07-13 |
| 10596675 | Work-tool control system and method | Robert P. Donker | 2020-03-24 |
| 10502565 | Leveling and positioning system and method | Robert P. Donker | 2019-12-10 |
| 10480940 | Leveling and positioning system and method | Robert P. Donker | 2019-11-19 |
| 9909867 | Leveling and positioning system and method | Robert P. Donker | 2018-03-06 |
| 9676073 | Work-tool control system and method | Robert P. Donker | 2017-06-13 |
| 9464895 | Remote leveling and positioning system and method | Robert P. Donker | 2016-10-11 |
| 8959784 | Remote leveling and positioning system and method | — | 2015-02-24 |
| 8869412 | Work-tool positioning system and method | Robert P. Donker | 2014-10-28 |
| 5784024 | Arrangement for position-selective speed measurement using the doppler principle | Patric Heide, Rudolf Schwarte, Valentin Magori | 1998-07-21 |