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STEWART CHARLES

Overview
  • Total Patents
    12
About

STEWART CHARLES has a total of 12 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets thermal processes, mechanical elements and materials and metallurgy are METAUX INOXYDABLES OUVRES, SCHOELLER GMBH & CO KG and KUPFERSCHLAEGER DIETMAR.

Patent filings in countries

World map showing STEWART CHARLESs patent filings in countries
# Country Total Patents
#1 United States 6
#2 United Kingdom 3
#3 Canada 1
#4 France 1
#5 Norway 1

Patent filings per year

Chart showing STEWART CHARLESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stewart Charles 10
#2 Gibson Robert 1

Latest patents

Publication Filing date Title
GB9415335D0 An exercising device
GB102922A Improvements in Bunsen Gas Tubes or Burners.
US1175022A Boiler-circulator.
US1026718A Rail-joint.
US993566A Boiler-circulator.
GB191011159A Improvements in Devices for Promoting Water Circulation in Boilers.
US893206A Sewing-awl.
US994284A Lubricator.
US899352A Lubricating-cup.
CA88554A Railway car