Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291758 | Process for the production of highly reactive polyisobutenes | Martin Bohnenpoll, Jurgen Ismeier, Oskar Nuyken, Mario Vierle, Dirk Schon | 2007-11-06 |
| 5852292 | Method of operating an optical light sensor | Thomas Blumcke, Jürgen Bürger, Klaus-Jurgen Leiting | 1998-12-22 |
| 5418409 | Comparator circuit for triggering a switching process when a variable measurement signal passes through a switching threshold | — | 1995-05-23 |
| 5250801 | Optical sensor for detecting articles in a monitored region and method for operating the same | Roland Grozinger, Ottmar Kappeler, Herbert Krickl | 1993-10-05 |
| 4486656 | Pulsed light barrier apparatus for direct connection to an a.c. supply | Jurgen Erdmann | 1984-12-04 |