Inventor · disambiguated record
Fred Hannemann
Also filed as: HANNEMANN FRED
4 granted patents·59 citations·filing 1997–2003
76Inventor score
Top patents by PatentIndex Score
4 records- 0180US7171984B2Mixer tapGROHE WATER TECH AG & CO KG·Filed 2003·Granted Feb 6, 2007·25 cites·20 claims
- 0262US6182700B1Diverter valveGROHE ARMATUREN FRIEDRICH·Filed 2000·Granted Feb 6, 2001·11 cites·11 claims
- 0359US5755258ASingle-lever mixing valve with valve cartridgeGROHE ARMATUREN FRIEDRICH·Filed 1997·Granted May 26, 1998·21 cites·12 claims
- 0427US5850846AHandle assembly for single-control valveGROHE ARMATUREN FRIEDRICH·Filed 1997·Granted Dec 22, 1998·2 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →