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TWOMBLY WILLARD IRVING

Overview
  • Total Patents
    28
About

TWOMBLY WILLARD IRVING has a total of 28 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets transport, engines, pumps and turbines and mechanical elements are NEANDER MOTORS AG, VILHELM MICKELSEN and GERTRUD SCHNUERLE.

Patent filings in countries

World map showing TWOMBLY WILLARD IRVINGs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 Canada 8
#3 United States 6
#4 Switzerland 1

Patent filings per year

Chart showing TWOMBLY WILLARD IRVINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Twombly Willard Irving 27
#2 Willard Irving Twombly 1

Latest patents

Publication Filing date Title
CA194437A Engine cooling system
CA178382A Liquid pump
GB110280A Fuel Pumping Means.
US1171007A Spring suspension for vehicles.
GB191401546A Driving Axles for Motor Vehicles.
GB191326053A Steering Mechanism for Vehicles, Motor Boats and the like.
CA146904A Safety harness for aviators
GB191227770A Safety Harness for Aviators and the like.
CA145470A Lubricating system for rotary engines
US1102457A Gas-engine.
CA146253A Internal combustion engine
US1050874A Safety-harness for aviators.
GB191205789A Improvements in Internal Combustion Engines.
GB191123445A Improvements in Internal Combustion Engines.
GB191119278A Improvements in Motor Vehicles.
CA135591A Mechanical movement
US1113262A Internal-combustion engine.
GB191018688A Improvements in Combination Convertible Vehicle Bodies.
CA127232A Tire
GB191007295A Improvements in Vehicles.