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THORN EMI LTD

Overview
  • Total Patents
    58
About

THORN EMI LTD has a total of 58 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and basic materials chemistry are PODSZUS EMIL, PRINTABLE FIELD EMITTERS LTD and EDGERTON GERMESHAUSEN & GRIER.

Patent filings in countries

World map showing THORN EMI LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hing Peter 7
#2 Ranby Peter W 3
#3 Palowkar David R 2
#4 Ranby Peter Whitten 2
#5 Kay Ronald 2
#6 Palowkar David Richard 2
#7 Pegg J C 2
#8 Roy A 2
#9 Halberstadt Alex Leopold 2
#10 Kay R 1

Latest patents

Publication Filing date Title
GB8804699D0 Radar
GB8718046D0 Display device
GB8717566D0 Organic compounds
GB8717567D0 Suction pump
GB8622712D0 Display device
CA1192942A Discharge lamp arc tubes
US4396863A Synthetic willemite phosphors and fluorescent lamp containing the same
GB2098013A Improvements in or relating to the starting of discharge lamps
GB2094051A Display device
GB2092734A Lanterns for area lighting
GB2068656A Lamp drive circuit
GB2062958A Sealed beam lamp
GB2062987A Remote control of a television receiver
GB2083711A Choke assembly
AU6197280A Fluorescent lamps
GB2082745A An improved reflector for electric projector lamps
US4384235A Linear filament assembly with refractory insulating support rod for halogen lamp
GB2069779A Discharge lamp circuit
EP0011993A1 Electric discharge lamps
US4247798A Mercury-metal halide discharge lamp