Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7850926 | Process of discontinuous polycondensation and stirring reactor thereof | Fritz Wilhelm | 2010-12-14 |
| 6860283 | Method of cleaning valves or lines | Walter Schnaus | 2005-03-01 |
| 6763852 | Alternating distributor for high-viscosity liquids | Walter Schnaus | 2004-07-20 |
| 6148861 | Multiway valve for fluids and its use | Walter Schnaus, Paul Tersi | 2000-11-21 |
| 5269348 | Distributor for viscous fluids with adjustable multiple discharge | Walter Schnaus, Dieter Cermak, Walter Metzger | 1993-12-14 |
| 4499261 | Process for the continuous production of polybutylene terephthalate of high molecular weight | Helmut Heinze, Fritz Wilhelm, Klaus Mackensen | 1985-02-12 |