Inventor · disambiguated record
Roland Grassberger
Also filed as: GRASSBERGER ROLAND
5 granted patents·329 citations·filing 1985–1996
84Inventor score
Top patents by PatentIndex Score
5 records- 0195US5228625ASprinkler headMASCO GMBH·Filed 1991·Granted Jul 20, 1993·198 cites·11 claims
- 0287US4676270ASingle handle mixing valve incorporating a cartridge and a reversing pistonMASCO CORP·Filed 1985·Granted Jun 30, 1987·54 cites·9 claims
- 0380US5927333ABall valve cartridge for a mixing valveMASCO CORP·Filed 1996·Granted Jul 27, 1999·44 cites·18 claims
- 0467US5018553ASingle-handle mixer valve with a ball-type valving memberMASCO GMBH·Filed 1990·Granted May 28, 1991·27 cites·10 claims
- 0532US5058860APair of hard material plates for a faucet of the screw type, having an extended control fieldSTUDIO TEC SVILUPPO RICHERCHE·Filed 1990·Granted Oct 22, 1991·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →