Issued Patents All Time
Showing 126–149 of 149 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590351 | Operating device for at least one electric lamp with a control input, and an operating method for electric lamps connected to such an operating device | — | 2003-07-08 |
| 6525491 | Stabilizing the operation of gas discharged lamps | Josef Osterried, Alwin Veser, Wolfram Graser | 2003-02-25 |
| 6486617 | Device for controlling light sources having a ballast | Axel Pilz | 2002-11-26 |
| 6463745 | Device and process for cooling granules | Harald Bleier | 2002-10-15 |
| 6425542 | Belt retractor force limiter | — | 2002-07-30 |
| 6416006 | Belt retractor for a vehicle safety belt | — | 2002-07-09 |
| 6404143 | Method for starting up the electrical equipment of a lighting system | Axel Pilz | 2002-06-11 |
| 6362576 | Circuit arrangement for igniting a lamp | Peter Niedermeier, Walter Limmer | 2002-03-26 |
| 6310446 | Method for adjusting at least one operating parameter of an operating unit for electric lamps | — | 2001-10-30 |
| 6268758 | Circuit arrangement with half-bridge | Walter Limmer, Peter Niedermeier | 2001-07-31 |
| 6008591 | Circuit for starting an hid lamp | Peter Niedermeier | 1999-12-28 |
| 5877614 | Electronic switch-mode power supply | — | 1999-03-02 |
| 5831394 | Circuit arrangement for the production of voltage pulse sequences, in particular for the operation of dielectrically impeded discharges | Alwin Veser, Gunther Hirschmann | 1998-11-03 |
| 5794879 | Vehicular seat belt retractor | — | 1998-08-18 |
| 5782456 | Vehicle jack | Peter Brosius, Ludger Hilvert, Ferdinand Alten | 1998-07-21 |
| 5770924 | Ignitional run circuit that immediately applies only a DC voltage after lamp ignition but before the main AC potential is applied | Josef Osterried, Alwin Veser, Frank Hansmann | 1998-06-23 |
| 5755393 | Belt retractor and a method for the assembly thereof | Bernhard Frei | 1998-05-26 |
| 5742132 | Method and system for starting and operating a discharge lamp | Dieter Lang | 1998-04-21 |
| 5739644 | Discharge lamp typically a sodium high-pressure discharge lamp, from an a-c power network | Franz Bernitz, Guenther Hirschmann, Michael Boenigk | 1998-04-14 |
| 5726537 | Circuit for pulsed operation of a discharge lamp | Guenther Hirschmann | 1998-03-10 |
| 5719473 | High frequency operating circuit with in-rush current protection for operation of discharge lamps | Josef Osterried | 1998-02-17 |
| 5680015 | Method to operate a discharge lamp, and circuit arrangement for operation of the discharge lamp | Franz Bernitz, Hendrik Kornatz, Peter Niedermeier | 1997-10-21 |
| 5343125 | High-pressure discharge lamp with pulsed inverter operating circuit, and method of operating a discharge lamp | Franz Bernitz, Frank Hansmann | 1994-08-30 |
| 5198728 | Operating circuit for a discharge lamp | Franz Bernitz, Frank Hansmann | 1993-03-30 |