Patents by Inventor Trevor P. Gibson

Trevor P. Gibson 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).

  • Method and apparatus for moulding a fluid settable material
    Patent number: 5114637
    Abstract: A method and apparatus for moulding a fluid settable material. The apparatus includes male and female mould halves defining between them a mould cavity having an inlet thereto for the introduction of a fluid settable material; between the male and female mould halves of the cavity a seal can be interposed to seal the mould cavity from the atmosphere. At least one vacuum outlet from a mould half leads via an isolation valve to a vacuum source.
    Type: Grant
    Filed: February 8, 1990
    Date of Patent: May 19, 1992
    Assignee: Short Brothers PLC
    Inventors: David R. Williams, Trevor P. Gibson