Inventor · disambiguated record
John W. Berkman
Also filed as: BERKMAN JOHN · BERKMAN JOHN W · BERKMAN JOHN WORRALL
9 granted patents·1,925 citations·filing 1974–1994
93Inventor score
Top patents by PatentIndex Score
9 records- 0198US5318570AUltrasonic toolADVANCED OSSEOUS TECH·Filed 1991·Granted Jun 7, 1994·613 cites·31 claims
- 0290US5364342AMicrosurgical cassetteNESTLE SA·Filed 1993·Granted Nov 15, 1994·289 cites·3 claims
- 0389US4750489ARadial keratotomy knife and system using sameCOOPERVISION INC·Filed 1985·Granted Jun 14, 1988·232 cites·44 claims
- 0481US5499969AMicrosurgical cassetteNESTLE SA·Filed 1994·Granted Mar 19, 1996·212 cites·25 claims
- 0581US4796623ACorneal vacuum trephine systemCOOPER CO INC·Filed 1987·Granted Jan 10, 1989·143 cites·56 claims
- 0677US4735610ADisposable surgical fluid handling cassetteCOOPERVISION INC·Filed 1986·Granted Apr 5, 1988·160 cites·14 claims
- 0775US5324297AUltrasonic tool connectorADVANCED OSSEOUS TECH·Filed 1991·Granted Jun 28, 1994·151 cites·22 claims
- 0869US5382251APlug pulling methodBIOMET INC·Filed 1992·Granted Jan 17, 1995·108 cites·11 claims
- 0964US3989210ACable clamp and strain relief deviceIBM·Filed 1974·Granted Nov 2, 1976·17 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →