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THORN RADIO VALVES AND TUBES L

Overview
  • Total Patents
    14
About

THORN RADIO VALVES AND TUBES L has a total of 14 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets electrical machinery and energy, telecommunications and basic communication technologies are SFD LAB INC, TELEDYNE MEC and BRUKER DALTONICS INC.

Patent filings in countries

World map showing THORN RADIO VALVES AND TUBES Ls patent filings in countries
# Country Total Patents
#1 Canada 4
#2 United States 4
#3 Germany 3
#4 Australia 1
#5 United Kingdom 1
#6 South Africa 1

Patent filings per year

Chart showing THORN RADIO VALVES AND TUBES Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Inglis James 8
#2 Coleclough Robin C 2
#3 Charles Coleclough Robin 1
#4 Inglis J 1
#5 Watkiss John Edwin Robert 1

Latest patents

Publication Filing date Title
US3626093A Implosion-resistant cathode-ray tubes
GB1246166A An attenuator
US3590303A Color tube having shadow mask whose center-to-center aperture spacings increase radially outward from mask center
US3569990A Implosion protection apparatus for cathode ray tubes
US3557306A Cathode ray tubes with multiple convolution tension bands
CA882883A Colour cathode ray tube with non-uniform phosphor dot spacing and non-uniform shadow mask aperture spacing
CA868541A Reinforcing structure encircling a cathode ray tube
CA917227A Implosion-resistant cathode ray tubes
CA868542A Reinforcing structure encircling a cathode ray tube