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TECHNOGRAPH PRINTED CIRCUITS L

Overview
  • Total Patents
    37
About

TECHNOGRAPH PRINTED CIRCUITS L has a total of 37 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and machines are JIANG SUHANG ELECTRONIC CO LTD, HAROLD VEZEY STRONG and JUMATECH GMBH.

Patent filings in countries

World map showing TECHNOGRAPH PRINTED CIRCUITS Ls patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 United States 11
#3 Germany 5
#4 France 5
#5 Switzerland 4
#6 Canada 1

Patent filings per year

Chart showing TECHNOGRAPH PRINTED CIRCUITS Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eisler Paul 15
#2 Paul Eisler 13
#3 Worth Frederick Harold 2
#4 Hauser Erwin 2
#5 Erwin Hauser 2
#6 Short George Edward 1
#7 Green John Dudley Francis 1
#8 Circuits Limited Technograph P 1
#9 Roger Lenard Lee 1
#10 Vincent Russell Swale 1

Latest patents

Publication Filing date Title
US3627558A Sensitization process for electroless plating
GB1085784A Electrical resistance heating devices for electric irons
US3094678A Electric resistance device
US3134953A Electric resistance devices
GB915183A Manufacture of thermo-couples
GB905611A Improvements in and relating to the coating of metallic surfaces
GB764017A Capacitors
US2737571A Electric resistance heating device
GB792145A Improvements in and relating to devices for obtaining a mechanical movement from theaction of an electric current
US2789259A Variable capacitors
GB746936A Electric circuit components
GB728606A Electric resistance devices
GB742251A Electric resistance heating devices
GB759134A Variable capacitors
US2736677A Metallized insulators
GB732437A Electric circuit components
DE972393C Electric device
US2748071A Apparatus for regeneration of etching media
DE912713C Multicore ribbon cable and method for its manufacture
DE899378C Flat multi-core electrical cable and process for making it