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WILLIAMS GOLD REFINING CO

Overview
  • Total Patents
    46
About

WILLIAMS GOLD REFINING CO has a total of 46 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets pharmaceuticals, medical technology and materials and metallurgy are ASAMI TANAKA DENTAL ENTERPRISE, SANKIN IND CO and HERAEUS EDELMETALLE GMBH.

Patent filings in countries

World map showing WILLIAMS GOLD REFINING COs patent filings in countries

Patent filings per year

Chart showing WILLIAMS GOLD REFINING COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ingersoll Clyde E 13
#2 Petner Eugene J 6
#3 Agarwal Dwarika P 6
#4 Baumann Erwin 5
#5 Cornell John A 4
#6 Cornell John 3
#7 Laplante Jerry C 2
#8 Wilson Robert 2
#9 Smith Roy W 2
#10 Ringle Charles J 2

Latest patents

Publication Filing date Title
US4802436A Continuous casting furnace and die system of modular design
CA1281212C Gold colored palladium-indium alloys
US4399096A High temperature brazing alloys
US4201577A Ceramic substrate alloy
US4249943A Non-precious ceramic alloy
US4089676A Method for producing nickel metal powder
US3929475A Tarnish resistant silver based dental casting alloy having superior improved ductility and work hardening characteristics
US3929474A Tarnish resistant silver based dental casting alloy capable of bonding to porcelain
US3861455A Method of investment casting a bright gold alloy
DE2303519A1 CASTING COMPOSITION FOR THE PRODUCTION OF GOLD ALLOYS
US3632677A Composition for the production of dental crowns and industrial objects
DE1516456B1 Process for the production of dental prosthesis parts from plastic
GB1115544A Method of producing artificial tooth parts from synthetic material
FR1473474A Manufacturing process of synthetic dental prostheses
US3471596A Process of making fused thermosetting dental objects
DE1516455A1 Abutment tooth and support gel consisting of non-volatile dimethacrylate as the only polymerizable component
GB1143502A Improvements relating to synthetic resin dough compositions, a dental package including such compositions and to artificial teeth made from such compositions
IL25117A Composite tooth and veneer gel formed of non-volatile di-methacrylate as the sole polymerizable constituent
FR1459037A Polyglycol dimethacrylate coated dental crown and method of manufacture
US3470615A Dental crowns faced with polyglycol dimethacrylate and process for making