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ZERK OSCAR U

Overview
  • Total Patents
    66
About

ZERK OSCAR U has a total of 66 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and mechanical elements are LIVAL OY AB, WALLIS FREDERICK A and QUICK SET INC.

Patent filings in countries

World map showing ZERK OSCAR Us patent filings in countries
# Country Total Patents
#1 United States 55
#2 Canada 11

Patent filings per year

Chart showing ZERK OSCAR Us patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zerk Oscar U 66

Latest patents

Publication Filing date Title
US2287404A Mobile cold storage and refrigerating apparatus
US2269642A Ice tray
US2049533A Spare wheel and tire cover
US2106586A Spare wheel and tire cover
US2011134A Wheel and wheel cover
US2031355A Wheel and wheel cover
US1985709A Shackle mechanism
US1985708A Shackle mechanism
US1992981A Hanger mechanism
US1962547A Tripod
US1962548A Tripod
US1959258A Ball joint housing
US1959259A Sealing means for oscillating members
US1928920A Universal joint
US1924587A Spring shackle mechanism
US1978977A Mechanical element and bearing therefor
US1947146A Shackle mechanism
US1959257A Hinge bearing
US1924586A Shaft and spindle bearing
US1928919A Universal joint for tie rods and the like