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CAMPBELL HENRY

Overview
  • Total Patents
    22
About

CAMPBELL HENRY has a total of 22 patent applications. Its first patent ever was published in 1884. It filed its patents most often in United Kingdom, Spain and Canada. Its main competitors in its focus markets packaging and shipping, mechanical elements and civil engineering are ALUMINIUMWERKE GOETTINGEN, HYVERT YVES and LE THANH SON DIPL ING.

Patent filings in countries

World map showing CAMPBELL HENRYs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 Spain 4
#3 Canada 3
#4 United States 2

Patent filings per year

Chart showing CAMPBELL HENRYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Campbell Henry 18

Latest patents

Publication Filing date Title
GB126578A Improvements in or relating to Bedstead Rail Joints.
GB190803709A An Improved Direct and Reverse Starting Gear for Internal Combustion Engines
GB190725138A An Improved Vaporiser or Carburetter for Oil Engines.
US857596A Antirefillable bottle.
GB190602108A An Improved System of Fuel and Air Supply to Internal Combustion Engines.
GB190601526A Improvements in Internal Combustion Engines.
GB190502127A Improvements in Internal Combustion Engines.
GB190501354A An Improved Carburettor for Hydro-carbon Engines.
GB190304901A Improvements in Plug Valves for Water and the like Fluids.
GB190304360A Stopper or Seal for Bottles and other Vessels.
GB190204809A Improvements in Internal Combustion Engines.
US693835A Method of heating material.
GB189516609A Improvements in Gas and Oil Motor Engines.
GB189400778A Improvements in Oil and Gas Motor Engines.
GB189400123A Method of and Machine for Dowelling.
CA45238A Machine for making barrels and casks
CA46998A Method of and machine for dowelling
CA45258A Method of making barrels, casks, firkins, etc.