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WIEGAND WILLIAM B

Overview
  • Total Patents
    13
About

WIEGAND WILLIAM B has a total of 13 patent applications. Its first patent ever was published in 1915. It filed its patents most often in Canada and United States. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and materials and metallurgy are NIP RAYMOND LEE, UNITED CARBON COMPANY and GODFREY L. CABOT, INC..

Patent filings in countries

World map showing WIEGAND WILLIAM Bs patent filings in countries
# Country Total Patents
#1 Canada 10
#2 United States 3

Patent filings per year

Chart showing WIEGAND WILLIAM Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wiegand William B 13
#2 Venuto Louis J 2
#3 Uffelman Walter 1
#4 Rieder Talmon Henry 1

Latest patents

Publication Filing date Title
US1889429A Carbon black and process of making same
US1465504A Rubber footwear
US1578875A Rubber composition and method of making the same
CA181771A Impregnated fibre
CA170493A Sole
CA274299A Automobile tire
CA309205A Vulcanization
CA311032A Manufacture of carbon black
CA310601A Electrical insulation
CA316285A High colour carbon black
CA309204A Vulcanization
CA320327A Vulcanized rubber product
CA301071A Carbon black