Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5452629 | Device for selectively tensioning and clamping studs mounted on a pressure vessel to permit nuts to be tightened or loosened | Horst Westerfeld | 1995-09-26 |
| 5330159 | Apparatus for automatically inserting and removing screw-threaded elements into and from tapped bores | — | 1994-07-19 |
| 5271297 | Apparatus and device for automatically inserting and removing screw-threaded elements into and from tapped bores | Horst-Werner Oehler | 1993-12-21 |
| 4552038 | Remote controlled bolt removing apparatus for bolts securing the head of a reactor pressure vessel | Hans Lachner | 1985-11-12 |
| 4346903 | High-pressure seal in piston | — | 1982-08-31 |
| 4224843 | Tensioning device for simultaneously tensioning a plurality of bolts | Hans Lachner, Jörg Richter, Peter Schungel, Kurt Togel, Hans Warnke | 1980-09-30 |