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REDRUP CHARLES BENJAMIN

Overview
  • Total Patents
    54
About

REDRUP CHARLES BENJAMIN has a total of 54 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 engines, pumps and turbines, machines and mechanical elements are ALTO AUTOMOTIVE INC, MELDOLESI RICCARDO and F M ASPIN ENGINES LTD.

Patent filings in countries

World map showing REDRUP CHARLES BENJAMINs patent filings in countries
# Country Total Patents
#1 United Kingdom 22
#2 Canada 12
#3 United States 12
#4 Austria 7
#5 Denmark 1

Patent filings per year

Chart showing REDRUP CHARLES BENJAMINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Redrup Charles Benjamin 54
#2 Richards William Alban 3
#3 Edwards Arthur Richard 1
#4 Boyle Henry Kirk 1
#5 Stanfield Joseph Reginald Mont 1
#6 Boyle John 1
#7 Redrup Alfred Leason 1

Latest patents

Publication Filing date Title
GB115656A Improvements in Internal Combustion and other Engines.
GB108390A Improvements in the Valve Mechanism of Internal Combustion Engines.
GB125633A Improvements in the Valve Gear of Internal Combustion Engines.
GB191219859A Improvements in or relating to the Valves and Valve-gear of Internal Combustion Engines.
GB191204170A Improvements in or relating to Non-refillable Bottles.
GB191126322A Improvements in or relating to Internal Combustion Engines.
CA138381A Valve for fluid pressure engines
CA138845A Cylinder for fluid pressure engines or pumps
CA138052A Pump
US1050691A Fluid-pressure engine or pump.
US1030681A Cylinder for fluid-pressure engines or pumps.
US1061868A Valve-gear.
GB191117623A Improvements in or relating to Motor Driving Gear.
GB191117155A Improvements in or relating to Fluid-pressure Engines or Pumps.
GB191117154A Improvements in Fluid-pressure Engines and Pumps having Rotating Cylinders.
CA143772A Valve for internal combustion engines
CA142672A Fluid pressure engine
CA143773A Valve for internal combustion engines
CA140804A Igniter for internal combustion engines
CA140279A Engine