Inventor · disambiguated record
Allen Siefken
Also filed as: SIEFKEN ALLEN · SIEFKEN ALLEN J
5 granted patents·67 citations·filing 1990–2011
81Inventor score
Top patents by PatentIndex Score
5 records- 0173US7896908B2Skin therapy systemOREGON AESTHETIC TECHNOLOGIES·Filed 2008·Granted Mar 1, 2011·16 cites·18 claims
- 0268US5151840ASwitch protection circuitRAJ IND INC·Filed 1990·Granted Sep 29, 1992·27 cites·22 claims
- 0367US8313518B2Skin therapy systemRIPPER JOHN·Filed 2011·Granted Nov 20, 2012·7 cites·19 claims
- 0442US5463596ANoninvasive ultrasonic proximity detector for a fluid actuated cylinderREXROTH CORP·Filed 1994·Granted Oct 31, 1995·13 cites·26 claims
- 0529US5459698ANoninvasive ultrasonic proximity detector for a fluid actuated cylinderREXROTH CORP·Filed 1993·Granted Oct 17, 1995·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →