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CARLTON MAIN COLLIERY COMPANY

Overview
  • Total Patents
    13
About

CARLTON MAIN COLLIERY COMPANY has a total of 13 patent applications. Its first patent ever was published in 1929. It filed its patents most often in Canada, France and United Kingdom. Its main competitors in its focus markets basic materials chemistry are BOLZ CHRISTIAN, DIX KURT and KORITSU KIKAI KOGYO CO LTD.

Patent filings in countries

World map showing CARLTON MAIN COLLIERY COMPANYs patent filings in countries
# Country Total Patents
#1 Canada 4
#2 France 3
#3 United Kingdom 3
#4 United States 2
#5 Germany 1

Patent filings per year

Chart showing CARLTON MAIN COLLIERY COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Basic materials chemistry

Focus technologies

# Technology
#1 Gas, coke and tar production

Top inventors

# Name Total Patents
#1 Addy Roland 3
#2 Gill Sidney 3
#3 Roland Addy 2
#4 Sidney Gill 2
#5 William Tozer Charles 1
#6 Tozer Charles William 1
#7 Pope Philip Crosby 1

Latest patents

Publication Filing date Title
US2037556A Retort for use in the low temperature distillation of carbonaceous material
GB411272A Improvements in or relating to retorts for use in the low temperature distillation of carbonaceous material
GB342104A Improvements in or relating to retorts for use in the low temperature distillation of carbonaceous material
GB329464A Improvement in or relating to retorts for use in the low temperature distillation of carbonaceous material
CA355175A Distillation retort
CA306557A Retort for low temperature distillation of carbonaceous materials
CA322663A Distillation retort
CA327619A Apparatus for low temperature carbonization