Inventor · disambiguated record
Alan D. Kaufman
Also filed as: KAUFMAN ALAN · KAUFMAN ALAN D
5 granted patents·63 citations·filing 1975–2002
80Inventor score
Top patents by PatentIndex Score
5 records- 0170US4005613ABrake operating leverPENNSYLVANIA WIRE ROPE CORP·Filed 1975·Granted Feb 1, 1977·24 cites·7 claims
- 0260US6912757B2Vacuum cleaner with continuous liquid pick-upSHOP VAC CORP·Filed 2002·Granted Jul 5, 2005·18 cites·15 claims
- 0349US6440227B1Nozzle and method providing increased liquid lift height for a wet/dry vacuum cleanerSHOP VAC CORP·Filed 2000·Granted Aug 27, 2002·1 cites·26 claims
- 0441US3974712AAuxiliary brake leverPENNSYLVANIA WIRE ROPE CORP·Filed 1975·Granted Aug 17, 1976·8 cites·6 claims
- 0539US5548868APilot and detent apparatus for a vacuum deviceSHOP VAC CORP·Filed 1995·Granted Aug 27, 1996·12 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →