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NAT TELEPHONE SUPPLY CO

Overview
  • Total Patents
    69
About

NAT TELEPHONE SUPPLY CO has a total of 69 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and machine tools are HIXON ALFRED J, ELTEKNIK AB F S and BERNARD DIBNER ABRAHAM.

Patent filings in countries

World map showing NAT TELEPHONE SUPPLY COs patent filings in countries
# Country Total Patents
#1 United States 37
#2 Canada 28
#3 United Kingdom 2
#4 Germany 1
#5 France 1

Patent filings per year

Chart showing NAT TELEPHONE SUPPLY COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Klein Charles H 37
#2 Burns Leroy H 13
#3 Neale Sr Dory J 4
#4 Mayer Herbert J 3
#5 Porter Thomas M 2
#6 Neale D 2
#7 Northcutt Walter E 2
#8 Warner Otto P 2
#9 Meyers Richard G 2
#10 Durant Edward 1

Latest patents

Publication Filing date Title
US4796338A Wire tensioner
US4353612A Shield connector
US4136441A Apparatus and method for butt splicing wires
US4075417A Crimped, insulation piercing electrical connection
US3886642A Method and apparatus for connecting wires
US3875637A Method and apparatus for securing a cable shield bond to a cable shield
US3857994A Non-corrosive cable shield bond
US3842191A Insulated wire splice
US3372460A Method of making tap off connectors
US3338608A Tap off connector
US3084575A Compression tool
US3095468A Splice separator
GB889333A Adjustable multiple lever tool
US2871045A Wire connecting device
US2910900A Adjustable multiple lever tool
US2841403A Detent
US3017905A Hot line stick
US2643564A Portable hand tool for alternative direct and step-by-step operation
US2533943A Die head device
US2564463A Wire cable connection