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THOMSON ELIHU

Overview
  • Total Patents
    110
About

THOMSON ELIHU has a total of 110 patent applications. Its first patent ever was published in 1887. It filed its patents most often in Canada, United States and Switzerland. Its main competitors in its focus markets engines, pumps and turbines, machines and machine tools are LIMA HAMILTON CORP, BESSEMER GAS ENGINE COMPANY and RIETTI GIACOMO.

Patent filings in countries

World map showing THOMSON ELIHUs patent filings in countries
# Country Total Patents
#1 Canada 67
#2 United States 21
#3 Switzerland 11
#4 Spain 7
#5 United Kingdom 3
#6 Austria 1

Patent filings per year

Chart showing THOMSON ELIHUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Thomson Elihu 103
#2 Houston Edwin J 1
#3 Alton George H 1

Latest patents

Publication Filing date Title
US1075738A Repairing railway-rails.
CA98038A Governor for elastic fluid turbines
CA97540A Nozzle for elastic fluid turbines
CA93421A Elastic fluid turbine
US739564A Regulator for vapor-generators.
US745465A Transparent refractory observation-plate.
CA75529A System of regulation for flash boilers
GB190207175A Improvements in Systems of Regulation for Flash-boilers
US735683A Vapor-burner.
US688558A Ignition-tube.
US732908A Driving mechanism for automobiles.
US684883A Power-transmitting device for engines.
US733093A Means for regulating the power of automobiles.
US740203A Fluid-pressure engine.
US687588A Steering mechanism for automobiles.
US702038A Regulation of speed and power engines.
US696518A Gas or oil engine.
US848607A Oil or gas engine.
US723503A Internally-fired engine
GB189820275A Improvements in Controlling Electric MOtors and Electrically Propelled Railway Trains.