Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254303 | Method and device for manufacturing molded bodies | Gerhard Ries, Alfons Leeb | 1993-10-19 |
| 4822491 | Process for transporting metal ions by means of microporous membranes | — | 1989-04-18 |
| 4820343 | Process for transferring metal ions using microporous membranes | — | 1989-04-11 |
| 4778569 | Method of separation of liquid mixture of solution by porous separating wall | — | 1988-10-18 |
| 4740104 | Underground irrigation or watering of soil | Helmut Stohr | 1988-04-26 |
| 4581236 | Process and apparatus for reduction of alcohol by dialysis in fermented beverages | Werner Bandel, Franz J. Schmitz, Friedrich Garske, Hans G. Breidohr | 1986-04-08 |
| 4488929 | Apparatus for the production of a continuous composite material | — | 1984-12-18 |
| 4484624 | Apparatus for transferring heat by means of hollow filaments, and its use in various heating systems | Jan Vleggaar, Klaus Schneider | 1984-11-27 |
| 4440641 | Hollow filament module and method and apparatus for production of the same | — | 1984-04-03 |
| 4343602 | Gear wheel pump with reduced power requirement | Volker Meywald, Klaus Schneider | 1982-08-10 |
| 4305626 | Textile rollers | Norbert Schulz, Hans-Dieter Kayser | 1981-12-15 |
| 4305983 | Thin walled tubing formed of a melt spinnable synthetic polymer and process for the manufacturing thereof | Hans Hoppe | 1981-12-15 |
| 4289718 | Mat material and method for making it | Balf Vollbrecht | 1981-09-15 |
| 4285898 | Process for the manufacture of monofilaments | Hans Hoppe | 1981-08-25 |
| 4212915 | Mat material of melt-spun polymeric filaments having discontinuous cavities | Rolf Vollbrecht | 1980-07-15 |