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HARRY CLAUDE WILLSON

Overview
  • Total Patents
    13
About

HARRY CLAUDE WILLSON has a total of 13 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United Kingdom. Its main competitors in its focus markets audio-visual technology are DANAVOX INTERNAT A S, JIAXING ZHENGLONG ELECTRONIC CO LTD and JIAXING HERO YOUNG ELECTRICAL APPLIANCES CO LTD.

Patent filings in countries

World map showing HARRY CLAUDE WILLSONs patent filings in countries
# Country Total Patents
#1 United Kingdom 13

Patent filings per year

Chart showing HARRY CLAUDE WILLSONs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology

Latest patents

Publication Filing date Title
GB721325A Improvements relating to electro-dynamic sound reproducers of the moving coil type
GB670667A Improvements relating to moving coil loudspeakers
GB660800A Improvements relating to electro-dynamic sound reproducers of the moving coil type
GB638080A Improvements relating to electro-dynamic reproducers or loud-speaking telephones of the moving coil type
GB586502A Improvements relating to electro-dynamic reproducers or loud-speaking telephones of the moving coil type
GB586500A Improvements relating to electro-dynamic sound reproducers of the moving coil type
GB584354A Improvements relating to electro-dynamic reproducers or loud-speaking telephones of the moving coil type
GB495999A Improvements relating to electro-dynamic sound reproducers
GB413819A Improvements relating to moving coil loud speakers
GB375010A Improvements relating to sound reproducing instruments
GB370111A Improvements relating to sound reproducing instruments
GB351255A Improvements relating to sound reproducing instruments
GB318003A Improvements relating to radio receiving apparatus