Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8987592 | Flame-proof housing | Wilhelm Mack, Willy Grübel, Tatjana Kapp, Andreas Wulff | 2015-03-24 |
| 8146507 | Laser-welded crane rail for suspended crabs | — | 2012-04-03 |
| 7997207 | Railway joint connection arrangement | — | 2011-08-16 |
| 4581701 | Monitoring plural process control stations | Erwin Buxmeyer, Wolfgang Ziegler, Gerd R. Tremmel, Arthur Barthol | 1986-04-08 |