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PERCY KIRK

Overview
  • Total Patents
    13
About

PERCY KIRK has a total of 13 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets optics are GENUINE INTERNAT INVEST LTD, HEII ISAO and REVOLUTION EYEWEAR INC.

Patent filings in countries

World map showing PERCY KIRKs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 Germany 2
#3 United States 1

Patent filings per year

Chart showing PERCY KIRKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Spectacles

Top inventors

# Name Total Patents
#1 Mortimer Kirk Sidney 1
#2 Percy Kirk 1

Latest patents

Publication Filing date Title
GB445126A Improved method and means for mounting ophthalmic lenses
GB363127A Improvements in or relating to spectacles and like eyewear
GB308899A Improvements in or relating to spectacles, eyeglasses and the like
GB312749A Improvements in or relating to spectacles, eyeglasses, and the like
GB280800A Improvements in spectacles, eyeglasses or the like
GB289205A Improvements in or relating to spectacles
GB280676A Improvements in pince-nez
US1622724A Pince-nez and spectacles
GB256445A Improvements in spectacles
GB256439A Improvements in spectacles
GB236492A Improvements in spectacles and pince-nez