Patents by Inventor Frederick Allsopp

Frederick Allsopp 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 for producing a composite structure
    Patent number: 4248649
    Abstract: A method of producing a composite structure consists of winding a resin impregnated filament tow onto a former or formers having surfaces which correspond with a portion of the finished article, removing the fibre sheets from the former or formers, and placing them in a mould which corresponds in shape to that of the complete article, and pressing the fibre within the mould to consolidate the finished article.
    Type: Grant
    Filed: January 10, 1979
    Date of Patent: February 3, 1981
    Assignee: Rolls-Royce Limited
    Inventors: John Harrison, Frederick Allsopp, Geoffrey Elliott