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DRUMMOND CHARLES SINCLAIR

Overview
  • Total Patents
    18
About

DRUMMOND CHARLES SINCLAIR has a total of 18 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United Kingdom, United States and Austria. Its main competitors in its focus markets thermal processes and engines, pumps and turbines are ROBERT LUCIEN D ESPUJOLS, OSKAR JEBENS and SERGE ZIEGLER.

Patent filings in countries

World map showing DRUMMOND CHARLES SINCLAIRs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 United States 3
#3 Austria 1
#4 Switzerland 1
#5 Denmark 1
#6 Spain 1

Patent filings per year

Chart showing DRUMMOND CHARLES SINCLAIRs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Drummond Charles Sinclair 16
#2 Gray Harry 1
#3 Drummond Charles-Sinclair 1

Latest patents

Publication Filing date Title
US1008797A Steam-generator.
GB191005810A Improvements in Steam Generators.
GB190916539A Improved Means for Controlling and Facilitating the Vaporization and Combustion of Liquid Fuel.
GB190915395A An Improved Atmospheric Gas Burner.
GB190913102A Improvements in Steam Generators.
GB190824855A Improvements in Rotary Engines Operated by Steam or Explosive Gas Mixture also applicable as Pumps.
US964502A Furnace.
GB190714178A Improvements in Furnaces.
GB190701866A Improvements in Steam Generators.
US785802A Steam-turbine.
GB190402178A Improvements in Steam Turbines.
GB190324064A A New or Improved Rotary Internal Combustion Engine.
GB189806752A A New or Improved Rotary Engine.
GB189707779A Improvements in or connected with Saddles or Seats for Bicycles and other Vehicles.