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PITTSBURGH COAL CARBONIZATION

Overview
  • Total Patents
    15
About

PITTSBURGH COAL CARBONIZATION has a total of 15 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and materials and metallurgy are BOLZ CHRISTIAN, IKIO TAKATOSHI and DIDIER DIMISA.

Patent filings in countries

World map showing PITTSBURGH COAL CARBONIZATIONs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 Canada 4
#3 United States 4
#4 Germany 1
#5 France 1

Patent filings per year

Chart showing PITTSBURGH COAL CARBONIZATIONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lesher Carl Eugene 4
#2 Roy Illingworth Stewart 1
#3 Goode John Buck 1
#4 Davies Jr Caleb 1
#5 Goode John B 1
#6 Zimmerman Raymond E 1
#7 Lesher Carl E 1
#8 Archer Arthur A 1

Latest patents

Publication Filing date Title
GB634150A Improvements in or relating to distilling bituminous material to make coke
GB545473A Improvements in or relating to low temperature carbonization processes and the products obtained thereby
GB541314A Improvements in low temperature carbonization of coal
GB539193A Improvements in or relating to process of low temperature carbonization of coal
US2287437A Low temperature carbonization of coal
US2269336A Low temperature coal tar derivative insecticide, fungicide, and the like, and process of making the same
US2199945A Cooling low temperature coke
DE638199C Process and plant for the production of coke balls
GB427849A Improvements in or relating to the carbonization of coal
US1923209A Plant for the carbonization of coal and like material
CA401669A Low temperature coal carbonization
CA427683A Carbonization and pyrometallurgical process and product
CA401668A Low temperature coal carbonization
CA355511A Coal carbonization