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CROWDEN CHARLES THOMAS

Overview
  • Total Patents
    29
About

CROWDEN CHARLES THOMAS has a total of 29 patent applications. Its first patent ever was published in 1895. It filed its patents most often in United Kingdom, Denmark and Canada. Its main competitors in its focus markets weapons, machine tools and machines are CARPENTER DALE, SEKIDEN KAGAKU KOGYO CO LTD and STEUDNER MARTIN.

Patent filings in countries

World map showing CROWDEN CHARLES THOMASs patent filings in countries
# Country Total Patents
#1 United Kingdom 21
#2 Denmark 3
#3 Canada 2
#4 Spain 2
#5 United States 1

Patent filings per year

Chart showing CROWDEN CHARLES THOMASs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Crowden Charles Thomas 27
#2 Power John Flatau 1
#3 Webb Wilfred Le Plastrier 1

Latest patents

Publication Filing date Title
GB104893A Improvements in connection with Fluid Pressure Operated Guns.
GB191517948A Improvements in or relating to Machine Guns.
GB190223306A Improvements in Ring-track Motors and Vehicles.
GB190206904A Improvements in Motor Cycles
GB189918313A Improvements in or relating to Compound or Multiple Expansion Engines.
GB189913902A Improvements in or relating to Apparatus for Recording Motion Diagrams.
GB189902693A Improvements in or relating to Self-propelled Vehicles.
GB189902692A Improvements in or relating to Internal Combustion Engines.
CA61195A Apparatus for making tubular joints
GB189800503A Improvements in or relating to Tube-expanders.
GB189711531A Improvements in or relating to the Manufacture of Wheels having Wooden Spokes.
GB189711530A Improvements in Weather Proof Metal Linkage and similar Joints.
GB189706540A Improvements in or relating to the Making of Tubular Joints.
GB189702924A Improvements in Variable Speed Driving Gear particularly applicable to Self-propelled Vehicles.
GB189702925A Improvements in or relating to Devices for Tightening Belts or other Driving Gear in Self-propelled Vehicles.
CA54684A Tubular joint
US633430A Apparatus for forming tubular joints.
GB189613576A Improvements in or relating to Self-propelled Road Vehicles.
GB189613577A Improvements in or relating to the Manufacture of Wheel Hubs and similar Tubular Articles.
GB189607158A Improvements in Frame Joints for Cycles and other Tubular Constructions.