Inventor · disambiguated record
William D. Vork
Also filed as: VORK WILLIAM · VORK WILLIAM D · VORK WILLIAM DUNCAN
13 granted patents·379 citations·filing 1975–1989
93Inventor score
Top patents by PatentIndex Score
13 records- 0195US4046287AAutomatic metering and dispensing systemGRACO INC·Filed 1976·Granted Sep 6, 1977·114 cites·41 claims
- 0289US3955763ARotatable spray nozzleGRACO INC·Filed 1975·Granted May 11, 1976·89 cites·13 claims
- 0387US4263003AMethod of mixing liquids in closed containersGRACO INC·Filed 1979·Granted Apr 21, 1981·46 cites·10 claims
- 0480US4050859ADiaphragm pump having a reed valve barrier to hydraulic shock in the pressurizing fluidGRACO INC·Filed 1976·Granted Sep 27, 1977·29 cites·13 claims
- 0568US4086936AVariable seat check valveGRACO INC·Filed 1976·Granted May 2, 1978·21 cites·5 claims
- 0662US4942899ACartridge pressure regulatorGRACO INC·Filed 1989·Granted Jul 24, 1990·25 cites·2 claims
- 0760US4173418AApparatus for mixing liquidsGRACO INC·Filed 1978·Granted Nov 6, 1979·15 cites·19 claims
- 0853US4147478ASecondary pump feed apparatusGRACO INC·Filed 1977·Granted Apr 3, 1979·14 cites·4 claims
- 0945US4789131APilot valveGRACO INC·Filed 1987·Granted Dec 6, 1988·10 cites·2 claims
- 1039US4843841AEnergy conserving refrigeration deviceGRACO INC·Filed 1988·Granted Jul 4, 1989·6 cites·7 claims
- 1134US4000856AFog/spray system and apparatusGRACO INC·Filed 1975·Granted Jan 4, 1977·6 cites·9 claims
- 1227US4019395APiston drive assemblyGRACO INC·Filed 1975·Granted Apr 26, 1977·0 cites·13 claims
- 1324US4591096ACentrifugal sprayer having interchangeable feed mechanismPOLARIS HOME SYSTEMS INC·Filed 1983·Granted May 27, 1986·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →