Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137124 | Pressure tube piston unit | — | 1992-08-11 |
| 5116028 | Pressure tube-piston device | Rolf Mintgen, Udo Wagner | 1992-05-26 |
| 4948104 | Gas spring | — | 1990-08-14 |
| 4784375 | Steplessly blockable setting device | — | 1988-11-15 |
| 4632371 | Gas spring of variable spring force | Leo Lauderbach, Willi Schafer | 1986-12-30 |
| 4303231 | Cylinder-and-piston rod device | Hermann Reuschenbach, Rolf Langanke | 1981-12-01 |
| 4257582 | Support column of adjustable length | — | 1981-03-24 |
| 4245826 | Resilient column of adjustable length | — | 1981-01-20 |
| 4240619 | Gas spring for balancing the weight of the lid on the trunk of a motorcar and like applications | Guenter Bauschke | 1980-12-23 |
| 4183689 | Column of telescopically adjustable length | Egon Sentinger | 1980-01-15 |