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BETZ ERWIN C

Overview
  • Total Patents
    19
About

BETZ ERWIN C has a total of 19 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets chemical engineering, environmental technology and machines are ARCS ENERGY LTD, SUED CHEMIE CATALYSTS ITALIA S R L and TAKESHIMA SHINICHI.

Patent filings in countries

World map showing BETZ ERWIN Cs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 4
#3 Germany 4
#4 Japan 3

Patent filings per year

Chart showing BETZ ERWIN Cs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Betz Erwin C 17
#2 Aauin Shii Betsutsu 2

Latest patents

Publication Filing date Title
US4867949A Heat recuperative combustion device
US4702892A Heat recuperative catalytic oxidation device
US4170629A Method of converting hydrocarbon waste gas streams using a non-uniform crimped metal ribbon packed catalyst bed
US4065268A Non-uniform crimped metal ribbon packed catalyst bed and method using same
US3994831A Metallic catalyst support and catalytic metal coated on same
US3978197A Wood fly ash reduction method
US4008050A Apparatus for combining oxygen and hydrogen
US3956187A Catalyst support and method for preparing the same
CA983001A Method for preparing a metallic catalyst