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CLIFFORD METCALFE

Overview
  • Total Patents
    17
About

CLIFFORD METCALFE has a total of 17 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United Kingdom. Its main competitors in its focus markets audio-visual technology, basic communication technologies and furniture and games are AXEL HARALD HOLSTENSSON, RI EL RICERCHE ELETTRONICHE and TRUVOX LTD.

Patent filings in countries

World map showing CLIFFORD METCALFEs patent filings in countries
# Country Total Patents
#1 United Kingdom 17

Patent filings per year

Chart showing CLIFFORD METCALFEs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB631064A Improvements in or relating to automatic record playing apparatus
GB632200A Improvements in or relating to suction cleaners
GB625140A Improvements relating to vacuum cleaners
GB621155A Improvements relating to electrical toasting appliances
GB628972A Improvements relating to electric fires
GB628964A Improvements in or relating to electric fires
GB618964A Improvements in or relating to sockets for electron discharge tubes
GB620755A Improvements in or relating to containers for gramophone needles
GB619132A Improvements in or relating to apparatus for automatically playing gramophone records
GB617883A Improvements in or relating to apparatus for playing gramophone records
GB617882A Improvements in or relating to record playing mechanism
GB623088A Improvements in or relating to apparatus for playing gramophone records automatically
GB617864A Improvements in or relating to apparatus for feeding gramophone records to a turntable
GB538801A Improvements in or relating to electric couplings
GB521817A Improvements in or relating to push button mechanisms for tuning radio receivers
GB495315A Improvements in or relating to station indicators for radio and like receivers
GB495066A Improvements in or relating to radio and like receiving apparatus