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THORN ELECTRICAL IND LTD

Overview
  • Total Patents
    999
About

THORN ELECTRICAL IND LTD has a total of 999 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets electrical machinery and energy, basic materials chemistry and audio-visual technology are LAMPES SA, PATRA PATENT TREUHAND and PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH.

Patent filings per year

Chart showing THORN ELECTRICAL IND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ranby Peter Whitten 58
#2 Mash Derek Hubert 18
#3 Whitten Ranby Peter 18
#4 Hobbs Doreen Yvonne 16
#5 Ranby Peter W 16
#6 Vause Arthur S 14
#7 Rees John Michael 14
#8 Vause Arthur Samuel 12
#9 Vause A 11
#10 Chapman Donald Frederick 11

Latest patents

Publication Filing date Title
NL8802455A Electric fluorescent or discharge lamp - comprising electrodes supported on wires partly exposed to electron bombardment and the rest covered with refractory material
JPS58140963A High voltage discharge lamp
EP0020390A1 Improvements in lamp drive circuits, and cine film projectors or cameras incorporating the same
CA1088614A Fluorescent lamps
GB2043621A Moulded lamp mirror having a locating ledge
JPS5667156A Discharge lamp
GB2064215A Lamp filament supports
GB2036420A Electric Discharge Lamps
GB2034016A Reflector lamp
GB2030388A Lamp drive circuits for cine film projectors or cameras
GB2026230A Double envelope discharge lamps
GB2060962A Lighting unit for glide path landing
GB2023339A Light source for Super 8 mm cine projector
AU4809479A Light source for super 8 mm cine projector
GB2050693A Electric filament lamps
GB2051453A A drive mechanism for a spooled medium, e.g. a cassette tape transport mechanism
GB2048575A Electrical choke or transformer
GB2047869A Light Fitting
GB2014358A Discharge lamp
GB2041642A Lamp filament support