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TELEGRAPH CONSTR & MAIN CO

Overview
  • Total Patents
    82
About

TELEGRAPH CONSTR & MAIN CO has a total of 82 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United Kingdom, Canada and France. Its main competitors in its focus markets electrical machinery and energy, digital networks and measurement are HUGO SONNENFELD, OKONITE CO and GEN CABLE CORP.

Patent filings in countries

World map showing TELEGRAPH CONSTR & MAIN COs patent filings in countries
# Country Total Patents
#1 United Kingdom 43
#2 Canada 13
#3 France 9
#4 United States 8
#5 Germany 7
#6 Ireland 2

Patent filings per year

Chart showing TELEGRAPH CONSTR & MAIN COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dean John Norman 5
#2 Mildner Raymond Charles 5
#3 Lidderdale Aubrey Douglas 4
#4 Wassell Smith Esmond 4
#5 Cooke Edward Ingram 3
#6 Mildner Raymond C 3
#7 Freeman Peter Geoffrey 2
#8 Meyers Arthur Lennox 2
#9 Lovelace Clive E C 2
#10 John Riddle 2

Latest patents

Publication Filing date Title
DE1082316B Laying device for submarine cables with amplifier
GB914121A Improvements in or relating to the testing of the insulation of electric cables
DE1052678B Process for protecting thermoplastic material and objects made from it against attack by pests
GB837615A Improvements in and relating to apparatus for measuring the tension in cables
GB852638A Improvements in or relating to coating articles with plastic materials
GB839841A Improvements in and relating to electric cables and to an improved insulation compound for use therewith
DE1041126B Device for laying submarine cables with intermediate amplifiers
GB829189A Improvements in electric cables
GB821281A Improvements in and relating to communication cables
GB756616A Improvements in and relating to the manufacture of electrical conductors
GB816472A Improvements relating to trapped rubber joints between electric cables and surrounding enclosures
GB777340A Submarine air-spaced electric cables
GB728100A Improvements in or relating to electric cable heads, and process of manufacture thereof
IE19921L Moulds for thermo-plastics
GB685246A Improvements in electrical communication cables
GB700177A Coating metal-sheathed cables with plastic material
GB679061A Improvements in and relating to the manufacture of air spaced electric cables
GB707133A Improvements relating to electric cable insulation or sheathing
GB680329A Cable manufacturing machine
GB657240A Improvements in joints for electrical cables