Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38355 | Electrohydraulic control device for double-acting consumer | — | 2003-12-23 |
| 6220288 | Electrohydraulic control device | Werner Schumacher, Holger Lueues | 2001-04-24 |
| 5839345 | Hydraulic control in monoblock structure for lifting and lowering a load with at least two electromagnetically actuatable proportional distributing valve elements | Werner Schumacher, Rainer Trucksess, Holger Lueues | 1998-11-24 |
| 5799485 | Electrohydraulic control device for double-acting consumer | — | 1998-09-01 |
| 5290007 | Control device for volume stream of hydraulic working medium | Holger Lueues | 1994-03-01 |
| 4303197 | Control valve | — | 1981-12-01 |