Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434477 | Method for requesting and processing traffic information | Stefan Goss, Jan Martin, Heinz Werner Pfeifffer | 2002-08-13 |
| 5855959 | Process for providing catalytically active platinum metal layers | Juergen Boecker, Michael Butz, Alfred Frey, Petra Hofmeister | 1999-01-05 |
| 5624479 | Solution for providing catalytically active platinum metal layers | Juergen Boecker, Michael Butz, Alfred Frey, Petra Hofmeister | 1997-04-29 |
| 4714484 | Ventilating device | Hans-Dieter Kuhl | 1987-12-22 |
| 4655254 | Control valve, in particular an electrohydraulic control valve | Gunther Hafner, Karl-Ernst Noreikat, Ulrich Letsche, Bernhard Bauer | 1987-04-07 |
| 4546426 | Method for controlling the position of an actuator in a manner whereby the adjustment is adaptive | Gunther Hafner, Karl-Ernst Noreikat, Ulrich Letsche, Bernhard Bauer | 1985-10-08 |
| 4256543 | Electrochemical detection of phosgene in gas mixtures | Otto Petersen | 1981-03-17 |
| 4235689 | Apparatus for detecting traces of a gas | Otto Petersen | 1980-11-25 |
| 4227974 | Electrochemical cell having a polarographic device with ion selective electrode as working electrode and method of use | Otto Petersen | 1980-10-14 |
| 4200512 | Electrochemical detection of phosgene in gas mixtures | Otto Petersen | 1980-04-29 |