Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592971 | Single handle mixing valve with flow control device for preventing hammer knock | — | 1997-01-14 |
| 5507314 | Mixer valve having a ball valve element | — | 1996-04-16 |
| 5494076 | Device for dampening vibration and noise in hydraulic installations | — | 1996-02-27 |
| 5477885 | Flow rate and temperature limiting mechanism for a mixing valve | — | 1995-12-26 |
| D331275 | Faucet | — | 1992-11-24 |
| D331276 | Faucet | — | 1992-11-24 |
| 5111842 | Cartridge for a valve with hard material plates, having means for retaining the fixed plate in constraint state | — | 1992-05-12 |
| D320645 | Faucet | Daniel E. Wittum | 1991-10-08 |
| D320433 | Faucet valve body | Daniel E. Wittum | 1991-10-01 |
| 5018553 | Single-handle mixer valve with a ball-type valving member | Roland Grassberger | 1991-05-28 |
| D317041 | Faucet | — | 1991-05-21 |
| 5014919 | Small hand-held shower head for domestic sinks connected to a faucet | — | 1991-05-14 |
| D315397 | Faucet | — | 1991-03-12 |
| D314041 | Faucet | — | 1991-01-22 |
| D313836 | Faucet | — | 1991-01-15 |
| D313835 | Faucet | — | 1991-01-15 |
| 4971112 | Cartridge for faucets having small plates of hard material and a metallic covering | — | 1990-11-20 |
| 4969483 | Device against siphon back flow, for hydraulic valves having a cartridge with plane plates for flux control | — | 1990-11-13 |
| 4966789 | Process of manufacturing seal members having a low friction coefficient | Gunter Buzzi | 1990-10-30 |
| 4957135 | Mixing valve with valve plates provided with an attachment mechanism for the fixed plate to provide a compressive force | — | 1990-09-18 |
| 4942902 | Mixing cartridge faucet with parts that can apply pressure to the valve plates of hard material | — | 1990-07-24 |
| 4935313 | Process of manufacturing seal members having a low friction coefficient | Gunter Buzzi | 1990-06-19 |
| 4932433 | Mechanism to cover and protect the internal operating parts of faucets operated by a single bidirectional control lever | — | 1990-06-12 |
| 4856758 | Silicon carbide valve elements | — | 1989-08-15 |
| 4854347 | Faucet valve with noise reducing slots and blades in preclosing apertures | — | 1989-08-08 |