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RALPH HENRY BARBOUR

Overview
  • Total Patents
    19
About

RALPH HENRY BARBOUR has a total of 19 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets electrical machinery and energy and measurement are IND CONTROLLER COMPANY, VNII PK I AVTOMATIZI and JOHN ARTHUR HIRST.

Patent filings in countries

World map showing RALPH HENRY BARBOURs patent filings in countries
# Country Total Patents
#1 United Kingdom 17
#2 Germany 1
#3 France 1

Patent filings per year

Chart showing RALPH HENRY BARBOURs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Barbour Ralph Henry 1
#2 Barbour Raplh Henry 1
#3 Partridge Henry Ralph Champion 1

Latest patents

Publication Filing date Title
GB428402A Improvements relating to induction control apparatus for use in electric motor starters
GB288781A Improvements relating to circuit breakers for use in alternating current electric circuits
GB272420A Improvements relating to electric motor controllers
GB280350A Improvements relating to circuit breakers for use in alternating current electric circuits
GB263408A Improvements relating to electric motor controllers
GB262342A Improvements relating to electric motor controllers
GB261646A Improvements relating to electric motor controllers
GB216056A Improvements relating to casings for electrical regulators, motor starters and like control gear
GB220678A Improvements relating to terminal fittings and fittings for leading electric conductors into casings
GB204466A Improvements in and relating to electric motor control systems
GB200720A Improvements in and relating to electric controllers
GB202509A Improvements in and relating to electric motor control systems
GB201380A Improvements in and relating to electrical control gear
GB194467A Improvements relating to electricity meters
GB178764A Improvements relating to electrical measuring and indicating instruments
GB141225A Improvements relating to electric control gear for dynamo electric machines
GB127194A Improvements in Electrical Switches, Starters and Controllers.