Inventor · disambiguated record
John Butterfield
Also filed as: BUTTERFIELD JOHN · BUTTERFIELD JOHN P
3 granted patents·15 citations·filing 1980–1990
61Inventor score
Top patents by PatentIndex Score
3 records- 0146US4330135AStuffing box with bellows to allow shaft gyratory movementsJUDE ENGINEERING INC·Filed 1980·Granted May 18, 1982·13 cites·4 claims
- 0223US4774439AHorizontal deflection stageMICROVITEC PLC·Filed 1987·Granted Sep 27, 1988·2 cites·7 claims
- 0320US5012164AHorizontal deflection and EHT generator circuitMICROVITEC PLC·Filed 1990·Granted Apr 30, 1991·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →