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JOHN HARPER & COMPANY LTD

Overview
  • Total Patents
    13
About

JOHN HARPER & COMPANY LTD has a total of 13 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United Kingdom and France. Its main competitors in its focus markets thermal processes, measurement and machines are KONINK FABRIEKEN DIEPENBROCK &, TENNANT & SONS WARRINGTON LTD and EAU NOIRE FONDERIES.

Patent filings in countries

World map showing JOHN HARPER & COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 France 2

Patent filings per year

Chart showing JOHN HARPER & COMPANY LTDs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB840266A Pivotal bearings for lever arms or beams in machines of precision
GB742973A Domestic cooking appliances
GB738719A Machines for mincing meat or other foodstuffs
GB710031A Shaft furnaces
GB707631A Blow pipe
GB706075A Wick trimmer for oil stoves
GB695976A Weighing machines
GB650349A Improved means for indicating fuel level in oil stoves
GB603894A Improvements in food choppers or mincing machines
GB594673A Improvements in food choppers or mincing machines
GB190521185A Improvements in Oil Stoves.