Patents by Inventor Alan K. Cousens

Alan K. Cousens has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4378271
    Abstract: Non-asbestos alternatives to starch-bound asbestos papers comprise a matrix of unfired ball clay which is reinforced by vitreous fibres derived from wool-form materials and by organic web-forming fibres, the whole being bound together by hydrolysed starch.
    Type: Grant
    Filed: October 10, 1980
    Date of Patent: March 29, 1983
    Assignee: Turner & Newall PLC
    Inventors: Brian Hargreaves, Robert A. Lancaster, Brian Healey, Alan K. Cousens
  • Patent number: 4363847
    Abstract: Flexible sheet material suitable for use in the manufacture of gaskets has a basis (85-95% by weight) of fine particles of a non-fibrous charged-layer-silicate mineral such as chlorite and includes a minor proportion (at least 2% but not more than 15% by weight of the material) of organic web-forming fibers, preferably cellulose fibers. The fine particles of the silicate mineral and the web-forming fibers are bound together with a synthetic rubber.
    Type: Grant
    Filed: July 1, 1981
    Date of Patent: December 14, 1982
    Assignee: AMFU Limited
    Inventors: Brian Hargreaves, Alan K. Cousens