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MAIN WILLIAM

Overview
  • Total Patents
    16
About

MAIN WILLIAM has a total of 16 patent applications. Its first patent ever was published in 1887. It filed its patents most often in Canada, Spain and Switzerland. Its main competitors in its focus markets chemical engineering and machines are BREAKELL THOMAS, CHEN CHI SHIANG and HARDINGE CO INC.

Patent filings in countries

World map showing MAIN WILLIAMs patent filings in countries
# Country Total Patents
#1 Canada 7
#2 Spain 5
#3 Switzerland 2
#4 United States 2

Patent filings per year

Chart showing MAIN WILLIAMs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Chemical engineering
#2 Machines

Focus technologies

# Technology
#1 Separation
#2 Milling

Top inventors

# Name Total Patents
#1 Main William 11

Latest patents

Publication Filing date Title
US1043855A Tube-mill grinder.
US1065542A Settling-cone.
CA37470A Secondary batteries
CA44747A Storage battery
CA39310A Power transmitting apparatus
CA25689A Electromotor or dynamo-electric machine
CA30349A Dynamo-electric machine and electro-motor
CA39293A Power transmitting apparatus
CA30350A Electro-motor and dynamo-electric machine