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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | United Kingdom | 3 | |
#3 | Canada | 1 | |
#4 | France | 1 | |
#5 | Norway | 1 |
# | Industry | |
---|---|---|
#1 | Thermal processes | |
#2 | Mechanical elements | |
#3 | Materials and metallurgy | |
#4 | Packaging and shipping | |
#5 | Machine tools | |
#6 | Textiles and paper | |
#7 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Lubricating | |
#2 | Steam generation | |
#3 | Preheating for stem generation | |
#4 | Burners | |
#5 | Machines for making railways | |
#6 | Making metal sheets | |
#7 | Sewing | |
#8 | Casting metal | |
#9 | Containers for goods storage |
# | Name | Total Patents |
---|---|---|
#1 | Stewart Charles | 10 |
#2 | Gibson Robert | 1 |
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 |