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DAY CHARLES

Overview
  • Total Patents
    33
About

DAY CHARLES has a total of 33 patent applications. Its first patent ever was published in 1896. It filed its patents most often in United Kingdom and Canada. Its main competitors in its focus markets engines, pumps and turbines, chemical engineering and environmental technology are DELPHI POWERTRAIN SYSTEMS KOREA LTD, DIESEL ENGINE RETARDERS INC and GT TECH.

Patent filings in countries

World map showing DAY CHARLESs patent filings in countries
# Country Total Patents
#1 United Kingdom 31
#2 Canada 2

Patent filings per year

Chart showing DAY CHARLESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Day Charles 33
#2 Windeler George Edward 8
#3 Dexter William Allinson 6
#4 Grant Peter 2
#5 Gaskell Ernest William 2
#6 Lewis William Yorath 1
#7 Fitch William C 1
#8 Sandison William Munro 1
#9 Yerbury Frederick Augustus 1
#10 Sillince William Patrick 1

Latest patents

Publication Filing date Title
GB191511138A Improvements in Supplying Injection Air to Internal Combustion Engines.
GB191503174A Improvements in Apparatus for Testing the Fuel Consumption of Oil and the like Engines.
GB191502447A Improvements in Supplying Injection Air to Internal-combustion Engines.
GB191422636A Improvements in Apparatus for Evaporating, Concentrating or Heating Liquids.
GB191411268A Improvements in Valves for Preventing a Back Rush of Air Towards the Air Vessel connected with Internal Combustion Engines.
GB191410923A Improvements relating to Internal Combustion Engines.
GB191228150A Improvements relating to Lift Valves.
GB191220227A Safety Device for Water Tanks used in connection with the Coolers of Air Compressors.
GB191022761A Improvements in Rotary Pumps or Compressors.
GB191007590A Improvements in Rotary Pumps or Compressors.
GB191007554A Improvements relating to the Stopping or Reversing of Internal Combustion Engines.
GB190926089A Improvements relating to the Starting, Stopping and Reversing of Internal Combustion Engines.
GB190925180A Improvements in the Valve Gear for Internal Combustion Engines.
GB190912408A Improvements relating to the Discharge of the Exhaust Gases from Internal Combustion Engines.
GB190906126A Improvements relating to the Propulsion of Ships and the like.
GB190904736A Improvements in Means for Preventing Overheating of the Cylinders of Internal Combustion Engines.
GB190815511A Improvements in Air Pumps.
GB190806890A Improvements in and connected with Oil Engines.
GB190806606A Improvements in and connected with the Lubrication of Fluid Pressure or other Engines, Air Compressing or other Pumps.
GB190610839A Improvements in and relating to Surface Condensers.