Patents by Inventor Geoffrey Colley

Geoffrey Colley 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).

  • Wear-resistant laminated articles
    Patent number: 5234752
    Abstract: In a wear-resistant laminated article (e.g. a bearing, or a compressor rotor blade) made by heating an assembly of superimposed layers of fabric impregnated with a phenolic or other thermosetting resin, the fabric is made of non-asbestos yarn comprising a core of glass fibre with a surface of aramid fibre and a relatively porous fibre such as viscose fibre, the aramid fibre forming not more than 40% by weight of the yarn. The laminate may further incorporate carbon fibres.
    Type: Grant
    Filed: October 1, 1991
    Date of Patent: August 10, 1993
    Assignee: Tenmat Limited
    Inventors: Philip Laflin, John E. Kerwin, Geoffrey Colley, David R. Newton