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MARCONI INSTRUMENTS LTD

Overview
  • Total Patents
    520
About

MARCONI INSTRUMENTS LTD has a total of 520 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets measurement, basic communication technologies and telecommunications are RACAL INSTRUMENTS LTD, FUNKWERK DRESDEN VEB and ZENSHIN TEST CO.

Patent filings per year

Chart showing MARCONI INSTRUMENTS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hjipieris George 21
#2 Owen David Paul 18
#3 Thomas Neil Edwin 16
#4 Parkyn John Michael 15
#5 Middleton John David 11
#6 Owen David P 11
#7 Jenner Frank Harry 11
#8 Wells John Norman 10
#9 Potter Christopher Malcolm 8
#10 Waddington Damer Evelyn O'Neil 7

Latest patents

Publication Filing date Title
GB9803206D0 Control arrangement
GB9715531D0 An rf probe for use in testing circuitry
GB9713305D0 A spectrum analyser
GB9623242D0 A spectrum analyser
GB9524107D0 Signal generator
GB9522694D0 An equipment for testing electronic circuitry
GB9501709D0 A circuit for digitising an analogue signal
GB9501710D0 A frequency mixer
GB9421841D0 A frequency synthesiser
GB9421842D0 An apparatus for testing the quality of logic levels of a digital signal
GB9403323D0 Constellation display for digital receiver or transmitter
GB9309022D0 Devices for facilitating electrical contact
GB9226241D0 An apparatus for testing a digital radio receiver
GB9222105D0 Transmitter/receiver output/input stages
GB9216606D0 Equipment for testing electronic devices
GB9212646D0 A method of and equipment for testing the electrical conductivity of a connection
GB9210787D0 Devices for facilitating electrical contact
GB9209906D0 Display Systems for displaying a Series of sequentially occurring Displays
GB9204682D0 Measuring the propagation delay of a communications network
GB9201835D0 Circuits for use in the detection and location of a fault or faults in a device under test