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THOMAS LENAGHAN

Overview
  • Total Patents
    16
About

THOMAS LENAGHAN has a total of 16 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets electrical machinery and energy, telecommunications and agriculture are GOTTHILF ANSGARIUS BETULANDER, KRISTIAN KIRKS TELEFONFABRIKER and CONST TELEPHONIQUES SOC NOUV.

Patent filings in countries

World map showing THOMAS LENAGHANs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 United States 4
#3 France 1

Patent filings per year

Chart showing THOMAS LENAGHANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Thomas Lenaghan 4
#2 Lenaghan Thomas 1

Latest patents

Publication Filing date Title
GB229651A Improvements in or relating to automatic telephone systems
GB214861A Improvements in or relating to automatic telephone systems
US1527433A Automatic telephone switch
US1527434A Automatic telephone system
GB200781A Improvements in or relating to automatic telephone systems
GB199327A Improvements relating to automatic telephone systems
US1481104A Electromagnetic relay
GB186433A Improvements relating to electro-magnetic and polarised relays
GB189824A Improvements relating to automatic telephone systems
GB189823A Improvements in or relating to metering or registering means with special reference to automatic telephone systems
GB189822A Improvements in or relating to motor mechanism with special reference to switch arrangements for automatic telephone systems
US1409737A Automatic telephone system
GB153238A Improved selector apparatus for use in an automatic or semi-automatic telephone system
GB153167A Improvements in or relating to telephone systems
GB152702A An improved automatic telephone system