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HOPKINSON ERNEST

Overview
  • Total Patents
    72
About

HOPKINSON ERNEST has a total of 72 patent applications. Its first patent ever was published in 1899. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets machines, transport and macromolecular chemistry and polymers are HERBERT MASCHF L, A R T and BACON AMERICAN CORP.

Patent filings in countries

World map showing HOPKINSON ERNESTs patent filings in countries
# Country Total Patents
#1 Canada 33
#2 United States 20
#3 United Kingdom 15
#4 Denmark 4

Patent filings per year

Chart showing HOPKINSON ERNESTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hopkinson Ernest 72
#2 Midgley Thomas 3
#3 Midgeley Thomas 1

Latest patents

Publication Filing date Title
CA193179A Tire making apparatus
US1289775A Apparatus for building pneumatic tires for automobiles.
GB130168A Improvements in Methods of Making Casings of Pneumatic Tires for Vehicles.
GB123686A Improvements in or relating to Molds for Pneumatic Tires.
GB130459A Improvements in or relating to Molds for Pneumatic Tires.
GB121439A Improvements in Methods of and Apparatus for Manufacturing Pneumatic Tire Casings.
GB128778A Improvements in or relating to Apparatus for Shaping and Setting Pneumatic Tires.
GB124998A Improvements in or relating to Apparatus for use in Vulcanising Pneumatic Tire Casings.
GB128777A Improvements in Methods of Making Casings of Pneumatic Tires.
GB122137A Improvements in or relating to Machines for Building Pneumatic Tire Casings.
CA190929A Apparatus for making pneumatic tires
CA188488A Tire vulcanizing device
CA190927A Method of making pneumatic tires
CA190928A Method of making pneumatic tires
CA188487A Mould for pneumatic tires
GB128114A Improvements in Apparatus for Building Tires.
GB128004A Improvements in Apparatus for Building Tires.
GB127990A Improvements in and relating to the Manufacture of Tire Casings.
CA188486A Mould for pneumatic tires
CA190926A Machine for making pneumatic tires