Patents by Inventor David Anthony Rees

David Anthony Rees 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).

  • Manufacture of conjugate filaments
    Patent number: 3930772
    Abstract: Conjugate filaments containing components located in a side-by-side or eccentric sheath/core structure are formed by directing superposed layers of the polymer components across the surface of a spinneret plate into narrow channels, the channels being contained in a member integral with the spinneret plate, to form narrow streams which are extruded through extrusion orifices located below the narrow channels in a spinneret plate.
    Type: Grant
    Filed: April 2, 1974
    Date of Patent: January 6, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: David Anthony Rees, Desmond Alfred Price