Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7760369 | Apparatus and method for determining an elevation of working tools based on a laser system | — | 2010-07-20 |
| 6916070 | Laser-based controller for adjusting the height of a machining tool of a construction machine | — | 2005-07-12 |
| 5309407 | Ultrasonic control unit for a travelling cutter | Martin Zarniko | 1994-05-03 |
| 5258961 | Ultrasonic sensor control unit for a road finishing machine | Martin Zarniko | 1993-11-02 |
| 5035290 | Height sensing device including an ultrasonic sensor and a mechanical sensor | Paul Harms | 1991-07-30 |
| 4961173 | Control sensor for a construction machine | Martin Zarniko | 1990-10-02 |
| 4943119 | Height control device and method for a fixture for machining an object essentially defined by a single plane | Martin Zarniko | 1990-07-24 |
| 4726682 | Depth measuring apparatus for a dredger | Paul Harms | 1988-02-23 |
| 4693598 | Opto-electronic measuring receiver and method for controlling the opto-electronic measuring receiver | — | 1987-09-15 |