Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435207 | Flow regulation fitting | Frank Mewes, Torsten Gabelmann, Heinz-Juergen Ruckert | 2002-08-20 |
| 6293518 | Short lift valve | Heinz-Juergen Ruckert | 2001-09-25 |
| 5826856 | Tap fitting with bellows-type seal | Heinz-Juergen Ruckert, Hans-Georg Stock | 1998-10-27 |
| 5143350 | Gate valve | Heinz-Jurgen Ruckert | 1992-09-01 |
| 4792119 | Valve | G/u/ nter Alberti, Karlheimz Feierlein | 1988-12-20 |
| 4303249 | Seal for a plate-shaped closure | — | 1981-12-01 |