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TWENTIETH CENTURY PRODUCTS COR

Overview
  • Total Patents
    26
About

TWENTIETH CENTURY PRODUCTS COR has a total of 26 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets civil engineering, machines and mechanical elements are SANITARIOS AZTECA S A, PHILIP HAAS and WHITE WILLIAM S.

Patent filings in countries

World map showing TWENTIETH CENTURY PRODUCTS CORs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 8
#3 Germany 4
#4 United Kingdom 4
#5 Belgium 1

Patent filings per year

Chart showing TWENTIETH CENTURY PRODUCTS CORs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines
#3 Mechanical elements

Top inventors

# Name Total Patents
#1 Hudson Harry W 6
#2 Goldtrap Charley L 5
#3 Kamphausen Dan 3
#4 Goldtrap Charley Lincoln 3
#5 W Hudson Harry 2
#6 Kamphausen D 1
#7 Morken Mayne C 1
#8 Goldtrap Charles L 1
#9 Goidtrap Charley L 1

Latest patents

Publication Filing date Title
US3701169A Toilet flush valve assembly
US3599247A Flush valve assembly
US3584644A Toilet tank supply valve assembly
US3554219A Toilet tank supply valve assembly
US3443262A Flush valve tripping device
US3406408A Flush valve tripping device
US3321972A Float valve control
US3285277A Toilet tank supply valve assembly
US3144875A Toilet tank supply valve assembly
GB977522A Improvements relating to cistern inlet valves
CA797569A Toilet tank supply valve assembly
CA871954A Flush valve tripping device
CA895119A Toilet tank supply valve assembly
CA823851A Flush valve tripping device
CA632241A Toilet tank supply valve assembly
CA692413A Toilet tank supply valve assembly
CA657554A Toilet tank supply valve assembly