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AMERICAN TAR PRODUCTS COMPANY

Overview
  • Total Patents
    19
About

AMERICAN TAR PRODUCTS COMPANY has a total of 19 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets basic materials chemistry, macromolecular chemistry and polymers and machines are INST TECHNOLOGII NAFTY, LOW TEMP CARBONISATION LTD and WILPUTTE CORP.

Patent filings in countries

World map showing AMERICAN TAR PRODUCTS COMPANYs patent filings in countries
# Country Total Patents
#1 United States 15
#2 United Kingdom 2
#3 Canada 1
#4 Germany 1

Patent filings per year

Chart showing AMERICAN TAR PRODUCTS COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rhodes Edmund O 6
#2 Hyde Elmer H 4
#3 Hager Floyd D 3
#4 Franz Puening 3
#5 Clarke Edgar W 2
#6 Rhodes Edmund Oliver 1
#7 Paul Wible 1
#8 Eigenbrot John L 1
#9 Faben Charles R 1
#10 Trusler Ralf B 1

Latest patents

Publication Filing date Title
US1975433A Process and apparatus for melting materials
US1946446A Composition of matter and process of preparing the same
GB367652A Improvements in and relating to the coking of fluid or liquefiable bituminous materials
US1965703A Article of manufacture and process of preparing the same
US1946462A Composition of matter
US1882618A Composition of matter
US1905423A Treatment of tar
US1884240A Composition of matter and process of preparing the same
GB337800A Improvements in coking bituminous material
US1942978A Coking bituminous material
US1660831A Apparatus and process for burning fuel
US1751690A Waterproof fire-resistant plastic composition
US1496431A Carbonization of carbonaceous materials
US1806146A Apparatus and process for coking liquefiable carbonaceous materials
US1461324A Apparatus for coking liquefiable bituminous materials
US1518450A Apparatus for coking liquefiable bituminous materials
US1392879A Process and apparatus for coking pitch
CA336568A Tar processing