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CLEMENT CLARKE LTD

Overview
  • Total Patents
    12
About

CLEMENT CLARKE LTD has a total of 12 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United Kingdom, Canada and Germany. Its main competitors in its focus markets medical technology, optics and measurement are 6 OVER 6 VISION Ltd, METAPHASE CORP and NOVATEC MED PROD INC.

Patent filings in countries

World map showing CLEMENT CLARKE LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 Canada 1
#3 Germany 1
#4 United States 1

Patent filings per year

Chart showing CLEMENT CLARKE LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rollason William Edward George 2
#2 Rollason William Aubrey 2
#3 Scoular Leslie Gemmell 1
#4 Clermont Livingston Philip 1
#5 Sylvester Perkins Edward 1
#6 Clement Clarke 1
#7 Clarke Clement William 1
#8 James Stockwell Henry 1
#9 Livingston Philip Clermont 1

Latest patents

Publication Filing date Title
DE2132804A1 Ophthalmotonometer
GB874120A Improvements in or relating to focimeters
GB782295A Improvements in or relating to light transmitting elements for use in gonioscopy
GB721655A Improvements in or relating to occluders
US2270238A Protective goggles
GB537262A Improvements in or relating to adjustable connecting devices
GB530312A Improvements in or relating to protective goggles for personal wear
GB530108A Improvements in or relating to protective screens for the human eye
GB530683A Improvements in or relating to protective goggles for personal wear
GB515798A Improvements in or relating to ophthalmoscopes and other instruments for the examination of the eye
CA401321A Protective goggles