Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10190005 | Paints, lacquers or other coating materials with anti-pinhole additive and the manufacture and use thereof | — | 2019-01-29 |
| 5586791 | Push-fit connector for joining a fluid line to a pipe | Hary Kirchner, Ralf Spors | 1996-12-24 |
| 5489125 | Quick connect coupling for connecting two fluid conduits | — | 1996-02-06 |
| 5366259 | Quick connect/disconnect fluid coupling | Ralf Spors | 1994-11-22 |
| 5338071 | Pipe coupling | Bernd Kleinhens, Olaf Kohlhaus, Stephan Mann, Ralf Spors | 1994-08-16 |
| 5323811 | Fluid coupling with automatic sealing valves | Ralf Spors | 1994-06-28 |
| 5318332 | Hose coupling | Gerhard Winterstein, Ralf Spors | 1994-06-07 |
| 5309607 | Hose clip | Bernd Kleinhens, Manfred Kruger, Stephan Mann, Erich Ruf, Ralf Spors +5 more | 1994-05-10 |
| 5299474 | Tamper resistant device for the application of preselected torque to screws and the like | Ralf Spors, Gerhard Winterstein, Heinz Sauer | 1994-04-05 |
| 5226680 | Hose coupling | Frank Bahner, Ralf Spors, Gerhard Winterstein | 1993-07-13 |
| 5209527 | Hose Coupling | Ralf Spors, Gerhard Winterstein | 1993-05-11 |
| 5201552 | Twin hose coupling | Ralf Spors, Gerhard Winterstein | 1993-04-13 |
| 5074601 | Quick-release connector for flexible hoses and the like | Ralf Spors, Gerhard Wachter, Frank Bahner | 1991-12-24 |
| 5064227 | Connector for hoses and the like | Ralf Spors, Gerhard Wachter, Heinz Sauer | 1991-11-12 |