Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7171984 | Mixer tap | Fred Hannemann | 2007-02-06 |
| 6390125 | Valve system especially for a sanitary fixture | Hans-Jurgen Ludewig, Wolfgang Gebhardt, Hartwig Philipps-Liebich | 2002-05-21 |
| 6199586 | Single-control mixing valve | Max Derr | 2001-03-13 |
| 6116279 | Seal system for water-value cartridge | Horst Titze, Manfred Graf | 2000-09-12 |
| 6035463 | Actuating assembly for dual-output valve | Wolfgang Gebhardt, Rainer Smieja | 2000-03-14 |
| 5896601 | Single-control mixing valve | Jurgen Humpert | 1999-04-27 |
| 5775373 | Flow-diverter valve | Wolfgang Gebhardt | 1998-07-07 |
| 5755258 | Single-lever mixing valve with valve cartridge | Fred Hannemann | 1998-05-26 |
| 5558128 | One-hole mount mixing faucet | Max Derr, Dieter Kahle | 1996-09-24 |
| 5199790 | Battery-powered temperature indicator for faucet | Heinz Brandebusemeyer | 1993-04-06 |
| 5190077 | Switchover valve | Kerstin Polhaus | 1993-03-02 |
| 5172941 | Snap-ring assembly | Friedhelm Weise | 1992-12-22 |
| 5148551 | Surface-mounting mixing valve | Jurgen Humpert | 1992-09-22 |
| 5060692 | Seal ring for single-control faucet | Horst Titze | 1991-10-29 |
| 5056562 | Convertible faucet/hand-shower fitting | Rudolf Haufe | 1991-10-15 |
| 5014749 | Mixing valve with decorative faucet | Jurgen Humpert | 1991-05-14 |
| 4997005 | Single-lever mixing valve | Horst Titze | 1991-03-05 |
| 4995419 | Mixing valve for single-lever faucet | Horst Titze | 1991-02-26 |
| 4971113 | Single-lever mixing-valve assembly | Horst Titze | 1990-11-20 |
| 4687025 | Single-control mixing valve | Dieter Kahle, Jurgen Humpert | 1987-08-18 |
| 4621659 | Mixing valve | — | 1986-11-11 |
| 4540023 | Sanitary mixing valve | — | 1985-09-10 |
| 4535814 | Lever head for single-lever mixing valves | William Peter Herring, Jan R. Kostorz | 1985-08-20 |
| 4501408 | Volume control valve | Max Derr | 1985-02-26 |