Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9388921 | Plug-in piece | Ralf Heldmann, Ingo Stephan, Markus Clemens, Carsten Hartmann, Ernst JAKOB +1 more | 2016-07-12 |
| 9016698 | Seal and associated sealing arrangement | Thomas Jack, Ralf Heldmann, Reiner Dirr | 2015-04-28 |
| 6896270 | Sealing device for a bearing arrangement | Graham Frederick Sturman, Markus Schwerdtfeger | 2005-05-24 |
| 6318502 | Compressor for producing oil-free compressed air | — | 2001-11-20 |
| 6247901 | Compressor for generating compressed air in motor vehicles | — | 2001-06-19 |
| 5792245 | Drying cartridge for air drying installations, especially for compressed-air brake systems of vehicles | Wolfgang Hatz, Herbert Tschewik | 1998-08-11 |
| 5779772 | Air drying cartridge for vehicles' compressed-air brake system | Wolfgang Hatz, Herbert Tschewik | 1998-07-14 |
| 4765651 | Adjustable anchoring slide block assembly | — | 1988-08-23 |
| 4691991 | Single mode modified W-fiber | — | 1987-09-08 |
| 4669751 | Tension eliminator for a vehicle safety belt retractor | — | 1987-06-02 |
| 4656700 | Lightweight, multiple-point, quick-release, safety buckle for body harnesses | Akira Tanaka | 1987-04-14 |
| 4652076 | Symmetrical waveguide coupler | — | 1987-03-24 |
| 4640574 | Integrated, micro-optical device | — | 1987-02-03 |
| 4606602 | Selectively dispersive optical waveguide films | Jörn Jacob | 1986-08-19 |
| 4483583 | Selective directional coupler for guided waves | — | 1984-11-20 |
| 4415227 | Transition between two single mode optical waveguides | — | 1983-11-15 |
| 4372644 | Strip diode laser with reactance free fiber output | — | 1983-02-08 |