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TELEGRAPH CONSTR & MAINTENANCE

Overview
  • Total Patents
    137
About

TELEGRAPH CONSTR & MAINTENANCE has a total of 137 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets electrical machinery and energy, machines and materials and metallurgy are CABLE TECHNOLOGY LAB INC, OSNABRUCKER KUPFER UND DRAHTWE and ANQING SUN & MOON CABLE CO LTD.

Patent filings in countries

World map showing TELEGRAPH CONSTR & MAINTENANCEs patent filings in countries
# Country Total Patents
#1 United Kingdom 70
#2 France 31
#3 Germany 17
#4 United States 9
#5 Switzerland 6
#6 Denmark 2
#7 Finland 1
#8 Ireland 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Mildner Raymond Charles 8
#2 Cooke Edward Ingram 5
#3 Barnes Arthur Albert William 5
#4 Lidderdale Aubrey Douglas 4
#5 Lovelace Clive Edward Christop 4
#6 Limited Telegraph Construction 4
#7 Latimer Kenneth Eric 3
#8 Christopher Lovelace Clive Edw 3
#9 Charles Mildner Raymond 3
#10 Humphries Evan Donald 2

Latest patents

Publication Filing date Title
DE1193665B Apparatus for making spiral insulating spacers
DE1204384B Method and device for producing a connection between parts made of thermoplastic material
GB932598A Helical membrane cutter
GB921901A Improvements in or relating to jointing or repair of articles formed of or sheathed with thermoplastic material
GB878908A Improvements in and relating to thermoplastic synthetic polymers
DE1107311B Method and apparatus for regulating the movement of a submarine cable during laying out or retrieving
DE1079144B Plastic-insulated electrical high-voltage cable with a semiconducting layer surrounding the inner conductor
GB884959A The coating of articles with thermoplastic materials and the like
GB834284A Improvements in or relating to coating articles with plastic materials
GB883514A Improvements relating to manufacture of laminated thermoplastic sheet
GB813554A Improvements in or relating to electric cables
GB827866A Electrical conductors
DE1059062B Telecommunication cable in a waterproof jacket with plastic-insulated cores or groups of cores and a protective conductor for fault monitoring
GB832065A Improvements in and relating to thermoplastic materials
GB856040A Improvements relating to a method of forming a joint between the ends of, or repairing, rods, tubes or the insulation of cable joints
GB853861A Controlling apparatus for extrusion presses
GB837549A Moulding insulation around electrical cables
GB780993A Improvements in or relating to sealing glands for electric cables
US2718543A Improvements relating to the pressuretight sealing of electric cables into housings
GB760849A Improvements in and relating to flexible electric conductors and cables