Patents by Inventor Norman E. Wrycraft

Norman E. Wrycraft 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).

  • Container with spout connection
    Patent number: 4129236
    Abstract: Spout for a container, e.g. a gasoline can, is formed as a one-piece plastics moulding with a flared skirt on the base formed with a circumferential groove that snap-couples tightly onto a bead on a raised metal neck on the can. A screw-threaded locking collar engages on a screw thread on the spout and can be tightened down to hold the skirt tightly engaged on the bead.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: December 12, 1978
    Assignee: Vulcan Industrial Packaging Limited
    Inventors: Norman E. Wrycraft, Alistair K. Collins