Patents Assigned to Canadian Porcelain Company Limited
  • Semiconducting glaze composition
    Patent number: 3960779
    Abstract: A semiconductive glaze composition contains a base glaze in which an alkali metal or alkaline earth metal stannate and antimony pentoxide or trioxide has been incorporated.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: June 1, 1976
    Assignee: Canadian Porcelain Company Limited
    Inventor: Gordon Rosenblatt
  • Electrical insulator including an insulation shell having hardware members secured thereto by cement containing graphite fibers
    Patent number: 3941918
    Abstract: A cement for mechanically and electrically joining metal hardware to an insulator shell having a semiconducting surface is made conductive by having graphite fibres and carbon black particles admixed therein.
    Type: Grant
    Filed: January 22, 1973
    Date of Patent: March 2, 1976
    Assignee: Canadian Porcelain Company Limited
    Inventors: Olaf Nigol, Gordon Rosenblatt