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DUNCAN STEWART AND COMPANY LTD

Overview
  • Total Patents
    23
About

DUNCAN STEWART AND COMPANY LTD has a total of 23 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United Kingdom and France. Its main competitors in its focus markets machine tools, foods and drinks and materials and metallurgy are DAVY MCKEE SHEFFIELD, DAVID TENG PONG and BRUNO QUAST.

Patent filings in countries

World map showing DUNCAN STEWART AND COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 16
#2 France 7

Patent filings per year

Chart showing DUNCAN STEWART AND COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Holmes Thomas Edmund 6
#2 Holmes Le Sieur Thomas Edmund 1

Latest patents

Publication Filing date Title
GB213857A Apparatus for enabling a uniform flow of liquid containing matters in suspension to be maintained over a length of weir lip
GB218158A Improvements in connection with "universal" plate rolling mills
GB208283A An improved three-high plate-rolling mill
GB191984A Improvements in the production of steel wheels for railways and the like
GB190917A Improvements in hydraulic pressure-regulating apparatus for sugar-cane and other mills
GB130226A Improvements in Controlling Gear for Hydraulic Presses, Shears and the like.
GB131778A Improvements in Cogging and like Mills for Tyres.
GB126523A Improvements in connection with Steam-Hydraulic Intensifiers.
GB124953A Improvements in Controlling-gear for Rolling-mill and like Steam-engines.
GB116844A Means for Securing and Aligning Mill-headstocks, Gables and like Machine Parts upon their Sole or Foundation Plates.
GB118518A Improvements in connection with Hydraulic Shearing and like Presses.
GB118496A Improvements in connection with Plate and like Rolling-mills.
GB117863A Improvements in connection with Rolling Mills.
GB116576A Improvements in Rolling Mills.
GB191308452A Improvements in Hydraulic Pressure-regulating Gear for Sugar-cane Mills and the like.
GB189728859A Improvements in Resistance and Contact Apparatus for Electric Currents.