Learn more

INTERNAT BITUMENOIL CORP

Overview
  • Total Patents
    24
About

INTERNAT BITUMENOIL CORP has a total of 24 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets basic materials chemistry, chemical engineering and thermal processes are COLLIN FRANCIS JOSEPH, BEIJING SANJU ENV PROT & NEW MAT CO LTD and JIANGSU MINHE MACHINERY MFG CO LTD.

Patent filings in countries

World map showing INTERNAT BITUMENOIL CORPs patent filings in countries
# Country Total Patents
#1 United States 9
#2 United Kingdom 7
#3 France 4
#4 Germany 3
#5 Canada 1

Patent filings per year

Chart showing INTERNAT BITUMENOIL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Vandegrift James N 7
#2 Carl Postel 3
#3 Vickers John H 2
#4 Nilson Lars G 1

Latest patents

Publication Filing date Title
GB386314A Improvements in or relating to apparatus for producing fuel from coking coal or the like
GB386335A Improvements in or relating to retort construction
GB386343A Improvements in or relating to a method of and apparatus for producing fuel from coking coal or the like
GB361460A Improvements in or relating to conveyors
US1986950A Screening and cooling conveyer
US1976816A Apparatus for distilling carbonaceous material
DE585274C Process and device for the continuous distillation of carbonaceous goods
DE553406C capacitor
DE525304C Rotary kiln
US1829949A Fractionating tower and scrubber
US1916900A Method of low temperature distillation
GB323523A Improved method of and apparatus for low temperature distillation
US1857171A Retort
US1995873A Retort
US1833664A Condenser
GB295225A Improvements in or relating to retorts
US1881153A Retort
US1742273A Retort
CA278571A Retort