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CLARKE THOMAS

Overview
  • Total Patents
    19
About

CLARKE THOMAS has a total of 19 patent applications. Its first patent ever was published in 1892. It filed its patents most often in United Kingdom, Canada and Switzerland. Its main competitors in its focus markets environmental technology, materials and metallurgy and transport are CATREL SA, BERNABEI RAFFAELLO and LO PRESTI SALVATORE.

Patent filings in countries

World map showing CLARKE THOMASs patent filings in countries

Patent filings per year

Chart showing CLARKE THOMASs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Clarke Thomas 16
#2 Paulding William H 1
#3 Harvey John 1
#4 Clarke Kenneth 1
#5 Williams Richard C 1
#6 Renil George 1
#7 Clarke James Neil 1

Latest patents

Publication Filing date Title
WO03078518A1 A method and apparatus for the processing and disposal of foam containing an ozone depleting substance
GB0209956D0 A method for disposal of compressed CFC foam
GB0206303D0 A method for disposal of compressed CFC foam
GB191011090A Improvements in and connected with Carrier Tricycles.
GB189921371A Improvements in or relating to Brakes for Velocipedes.
GB189806138A A New or Improved Enamel for Re-fixing the Dental Plates of Artificial Teeth.
GB189424487A Improvements in Lamps.
GB189319170A Improvements in Tea and Coffe Urns.
CA12726A Improvements on box and cattle cars
CA11713A Improvements on palace and sleeping cars
CA28560A Washing machine
CA26892A System of banding for spinning or twisting frames
CA33845A Churn
CA15629A Improvements in sleeping and drawing room cars