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EVANS ARTHUR FREDERICK

Overview
  • Total Patents
    23
About

EVANS ARTHUR FREDERICK has a total of 23 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United Kingdom, Canada and Switzerland. Its main competitors in its focus markets engines, pumps and turbines and transport are FIRMIN SMAL, LOUIS AUGUSTE CHARLES and JOHO CORP.

Patent filings in countries

World map showing EVANS ARTHUR FREDERICKs patent filings in countries
# Country Total Patents
#1 United Kingdom 16
#2 Canada 2
#3 Switzerland 2
#4 Denmark 2
#5 United States 1

Patent filings per year

Chart showing EVANS ARTHUR FREDERICKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Evans Arthur Frederick 21
#2 Arthur Frederick Evans 2
#3 Doubleday Villeroy Corney 1
#4 Wilson Reginald Page 1

Latest patents

Publication Filing date Title
GB191317606A Improvements in Valve Gear for Internal Combustion Engines and the like.
GB191315841A Improved Distribution Valve for Internal Combustion Motors.
GB191311656A Improvements in Means for Cooling the Scavenging Pumps of Internal Combustion Motors.
GB191310366A Improvements in Liquid Fuel Injectors for Internal Combustion Engines.
GB191018611A Improvements in Tyres and in Rims for use therewith.
GB190908156A Improvements in Mechanism for Feeding Fuel in Internal Combustion Engines.
GB190807893A Improvements in Gearing for Motor Cars and the like.
GB190502243A Improvements in Oil Engines.
US732343A Internal-combustion engine.
GB190216189A Improvements in Means for Igniting in Internal Combustion Engines.
GB190216188A Improvements in Internal Combustion Engines.
GB189924349A Improvements in Exhaust Silencers for Internal Combustion Engines and the like.
GB189924350A Improvements in Governors for Regulating the Speed of Engines, Machines, and the like.
GB189924351A Improvements in the Lubrication of Internal Combustion Engines and the like.
GB189818854A Improvements in Electrically Igniting Charges of Internal Combustion Engines.
GB189818855A Improvements in and in connection with Admission Valves of Internal Combustion Engines.
GB189817589A Improvements in and relating to Screw Propellers.
CA281543A Diesel engine mechanism
CA278259A Internal combustion engine