Patents by Inventor Ian Torrance Barrie

Ian Torrance Barrie 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 of encapsulating an insert in plastics material by injection molding
    Patent number: 3991146
    Abstract: Encapsulating an insert in plastics by injection moulding with one face of the insert bearing against the mould thus supporting the insert against movement during injection with subsequent relative movement between insert and the supporting mould face to allow the injected material to flow round that face of the insert.
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: November 9, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventor: Ian Torrance Barrie