Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447764 | Method for isolating anionic organic substances from aqueous systems using cationic polymer nanoparticles | Ernst Bayer, Hans-Gerhard Fritz, Jens Schewitz, Michael Gerster | 2002-09-10 |
| 6439263 | Pressure regulating valve and method for producing a pressure regulating valve | Helmut Schwegler, Ralph Ittlinger, Wolfgang Bueser, Lorenz Drutu | 2002-08-27 |
| 6431149 | Fuel supply system of an internal combustion engine | Helmut Schwegler | 2002-08-13 |