Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7101997 | Method for producing phenothiazinium compounds | Suzanne Wassmann-Wilken, Reinhard Knieps, Thomas Potrawa, Andreas Kanschik-Conradsen, Christian Werner | 2006-09-05 |
| 7019902 | Beam forming telescope with polarization correction | Jochen Deile | 2006-03-28 |
| 6892689 | Cooling duct piston for a direct-injection diesel engine | Ulrich Bischofberger | 2005-05-17 |
| 6874578 | Cementing compositions and application of such compositions to cementing oil wells or the like | Andre Garnier, Slaheddine Kefi, Pierre Maroy | 2005-04-05 |
| 6768764 | Laser beam reforming system | Holger Schluter | 2004-07-27 |
| 6006831 | Electrical well logging fluid and method of using same | Robert P. Schlemmer | 1999-12-28 |
| 5807252 | Method and apparatus for determining the position of a body part | Stefan Hassfeld, Joachim Muhling, Theodor Lutze | 1998-09-15 |
| 5244476 | Benzophenone ether esters, processes for their preparation, and their use for improving the light stability of polyester dyeings | Gunter Bartels | 1993-09-14 |
| D307632 | Air flow directing and controlling fixture for heating and ventilating devices | — | 1990-05-01 |
| 4909267 | Cooling pipe for bar | Franz Tamm, Arnold Joachim, Hartmut Blank, Bernhard Horicke, Hartmut Richter | 1990-03-20 |
| 4894750 | Holder for disposing an electrical component on a housing | — | 1990-01-16 |
| 4864919 | Vent for aerating windows | Alfred Kern | 1989-09-12 |
| 4866320 | Fan assembly | — | 1989-09-12 |
| 4824892 | UV light stabilizer based on benzophenone | Kurt Eiglmeier | 1989-04-25 |
| 4821796 | Device for heating compartments | — | 1989-04-18 |
| 4781247 | Heat exchanger for the coolant circuit of internal combustion engines | — | 1988-11-01 |
| 4658598 | Apparatus for ventilating and air-conditioning driver compartments | — | 1987-04-21 |
| D288959 | Fixture for heating and ventilating devices including a louvered flap ventilator arrangement for selectively directing and controlling air flow | — | 1987-03-24 |
| D285480 | Fixture for heating and ventilating devices | — | 1986-09-02 |
| 4580486 | Apparatus for supplying air to compartments | — | 1986-04-08 |
| 4560103 | Apparatus for heating and ventilating | Werner Thelen | 1985-12-24 |
| 4475687 | Device for heating and ventilating large-area vehicles | Werner Thelen | 1984-10-09 |
| 4279003 | Picture contrast-increasing arrangements | — | 1981-07-14 |