Inventor · disambiguated record
Frederick W. Kehr, Iii
Also filed as: KEHR FREDERICK W · KEHR FREDERICK W III · KEHR III FREDERICK W
3 granted patents·2 pending applications·48 citations·filing 1993–2005
70Inventor score
Top patents by PatentIndex Score
5 records- 0171US7481573B2Mixing impeller with pre-shaped tip elementsSPX CORP·Filed 2005·Granted Jan 27, 2009·3 cites·11 claims
- 0266US5344235AErosion resistant mixing impellerGEN SIGNAL CORP·Filed 1993·Granted Sep 6, 1994·35 cites·26 claims
- 0350USD394072SDrive for an industrial mixerGEN SIGNAL CORP·Filed 1997·Granted May 5, 1998·10 cites·1 claims
- 0443US2007002686A1Mixing impeller and method with top and bottom skin elementsSPX CORP·Filed 2005·Application pending·0 cites
- 0543US2007003415A1Mixing impeller and method with weld locationsSPX CORP·Filed 2005·Application pending·0 cites
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