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ENVIROTEST SYSTEMS INC

Overview
  • Total Patents
    12
About

ENVIROTEST SYSTEMS INC has a total of 12 patent applications. Its first patent ever was published in 1996. It filed its patents most often in EPO (European Patent Office), Australia and Hong Kong. Its main competitors in its focus markets measurement are YUASA SYSTEM KIKI KK, SUZHOU ZHONGQI TESTING TECH SERVICE CO LTD and 3DATX CORP.

Patent filings per year

Chart showing ENVIROTEST SYSTEMS INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement

Focus technologies

Top inventors

# Name Total Patents
#1 Didomenico John D 10
#2 Stedman Donald H 6
#3 Bishop Gary A 6
#4 Johnson James A 6
#5 Rendahl Craig S 5
#6 Williams John W 5
#7 Bilsbarrow Donald W 1
#8 Tripathi Pradeep R 1
#9 Kohn Bruce R 1
#10 Smith Mary V 1

Latest patents

Publication Filing date Title
WO0026641A1 Multilane remote sensing detector
EP1677096A1 Multilane remote sensing detector
WO0016070A1 Remote emissions sensing system and method with a composite beam of ir and uv radiation that is not split for detection
US5739413A Forced dilution system and method for emissions measurement systems