Inventor · disambiguated record
John F. Walko
Also filed as: WALKO JOHN F · WALKO JR JOHN F
3 granted patents·57 citations·filing 1988–1992
73Inventor score
Top patents by PatentIndex Score
3 records- 0172US5100951AStable blends of cationic water-in-oil emulsion polymers and cationic aqueous solution polymersBETZ LABORATORIES·Filed 1988·Granted Mar 31, 1992·26 cites·56 claims
- 0252US5169540AStable blends of cationic water-in-oil emulsion polymers and cationic aqueous solution polymersBETZ LABORATORIES·Filed 1992·Granted Dec 8, 1992·12 cites·12 claims
- 0350US5120165AExcavation system with pneumatic conveyance and separation of excavated materialWALKO JR JOHN F·Filed 1990·Granted Jun 9, 1992·19 cites·61 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →