Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8089372 | Method for transmission of data for controlling an HVDC transmission installation | Ludwig Hügelschäfer, Jürgen Sperber | 2012-01-03 |
| 5346170 | Method and apparatus for adjusting and maintaining the height of a spring-action passenger seat | Klaus Schmidt | 1994-09-13 |
| 4998777 | Coal-cutting machine having horizontally swivellable jib boom and vertically swivellable loading means | Otto Schetina, Arnulf Kissich, Helmut Habenicht, Wilhelm Papst, Bernhard Pleterski | 1991-03-12 |