Patents Assigned to J. Tennant & Sons (Warrington) Limited
  • Patent number: 4248586
    Abstract: A casing for supporting a radiant refractory panel for surface-combustion heating, in the form of an open-topped ceramic box providing for admission of air and combustible gas as such or as a mixture, the panel being secured by an adhesive-bound glass or other refractory fibre wrapped to cover the join between panel and casing.
    Type: Grant
    Filed: November 9, 1978
    Date of Patent: February 3, 1981
    Assignee: J. Tennant & Sons (Warrington) Limited
    Inventor: Charles F. Cooper
  • Patent number: 3954387
    Abstract: A radiant having gas passages through which a combustible gas mixture can be passed for combustion at the surface of the radiant, characterised by an open high porosity structure of bonded refractory ceramic fibre and a surface configuration of square pyramids, with the gas passages between them.
    Type: Grant
    Filed: July 25, 1974
    Date of Patent: May 4, 1976
    Assignee: J. Tennant & Sons (Warrington) Limited
    Inventor: Charles Frank Cooper