Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492996 | Piston having outer thread | Matthias Laqua, Alexander Schäfer, Dieter Kramer | 2022-11-08 |
| 10221807 | Particular arrangement of a cooling duct connecting bore of a cooling duct | Michael Albert Janssen, Gerhard Luz, Franz Ratzky | 2019-03-05 |
| 8925511 | Internal combustion engine piston with cooling channel said piston comprising a sealing element sealing the cooling channel | Franz-Peter Allig, Matthias Laqua | 2015-01-06 |
| 6641600 | Process and apparatus for the cosmetic treatment of acne vulgaris | — | 2003-11-04 |
| 6302194 | Pipe with ribs on its inner surface forming a multiple thread and steam generator for using the pipe | Wolfgang Kastner, Eberhard Wittchow | 2001-10-16 |
| 6250257 | Method for operating a once-through steam generator and once-through steam generator for carrying out the method | Wolfgang Kastner, Eberhard Wittchow | 2001-06-26 |
| 6183500 | Process and apparatus for the cosmetic treatment of acne vulgaris | — | 2001-02-06 |
| 5967097 | Once-through steam generator and a method of configuring a once-through steam generator | Wolfgang Kastner, Eberhard Wittchow | 1999-10-19 |
| 5806317 | Method and device for solar steam generation | Wolfgang Kastner, Konrad Kunstle | 1998-09-15 |
| 5735236 | Fossil fuel-fired once-through flow stream generator | Wolfgang Kastner, Eberhard Wittchow | 1998-04-07 |
| 5701850 | Steam generator | Rudolf Kral, Eberhard Wittchow | 1997-12-30 |
| 5662070 | Once-through steam generator with a vertical gas flue of essentially vertically disposed tubes | Wolfgang Kastner, Eberhard Wittchow | 1997-09-02 |
| 5343506 | Nuclear reactor installation with a core catcher device and method for exterior cooling of the latter by natural circulation | Josef Artnik, Dietmar Bittermann, Jurgen Eyink, Ulrich Fischer, Andreas Göbel +5 more | 1994-08-30 |
| 5249346 | Process and apparatus for fixing holding clips to a band | — | 1993-10-05 |
| 5211649 | Venous cuff applicator, cartridge and cuff | Paul Di Cesare, Paul Mulhauser, Douglas M. Spranger | 1993-05-18 |
| 5125807 | Fuel injection device | Reda Rizk, Hans-Gottfried Michels | 1992-06-30 |
| D319311 | Cuff-forming vein strap | — | 1991-08-20 |
| 4962909 | Mold for dentistry | — | 1990-10-16 |
| 4681034 | Process for printing a substrate by the hot-transfer printing method | Herbert W. A. Schulzen, deceased, Kurt Schliessmann | 1987-07-21 |
| 4664500 | Method and apparatus for transferring a latent electrical image | Hans-Jurgen Hommes, Artur Muhl | 1987-05-12 |
| 4593653 | Distributor for two-phase mixtures, especially water-steam mixtures in forced-circulation boilers | Egon Schneider | 1986-06-10 |
| 4478196 | Fuel injection pump for internal combustion engines | Karl E. Hafner | 1984-10-23 |
| 4421445 | Operating arm for a manipulator with length adjustment by telescoping means | Georg Bohme, Manfred Salaske | 1983-12-20 |
| 4325342 | Fuel injection pump control for internal combustion engines, especially diesel engines | Karl E. Hafner | 1982-04-20 |
| 4308839 | Fuel injection pump for internal combustion engines | Karl E. Hafner | 1982-01-05 |