Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8294115 | Linear electron source, evaporator using linear electron source, and applications of electron sources | Volker Hacker, Hans-Georg Lotz | 2012-10-23 |
| 7928411 | Linear electron source, evaporator using linear electron source, and applications of electron sources | Volker Hacker, Hans-Georg Lotz | 2011-04-19 |
| 7550927 | System and method for generating ions and radicals | Michael W. Stowell, Hans-Georg Lotz, Volker Hacker | 2009-06-23 |
| 6568615 | Hydraulic breaker | — | 2003-05-27 |
| 6557652 | Method for performing ground or rock work and hydraulic percussion device | — | 2003-05-06 |
| 6290005 | Pneumatic impact damping device for a drill column | — | 2001-09-18 |
| 5431234 | Ground-drilling device | — | 1995-07-11 |
| 5419403 | Pneumatic hammer | — | 1995-05-30 |
| 5350023 | Pneumatic hammer | — | 1994-09-27 |
| 5269107 | Mobile boring rig | — | 1993-12-14 |
| 5255590 | Control device for the load- dependent connection of a hydraulic stand by motor to a base-load motor | — | 1993-10-26 |