Patents by Inventor Parker L. Basterfield

Parker L. Basterfield 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).

  • Patent number: 4411372
    Abstract: A lid for a pressure vessel which is seamless and which includes a peripheral groove in an outer surface formed by deforming the material of the lid, for example by a swaging process. The groove accommodates a seal, such as an O-ring.
    Type: Grant
    Filed: December 3, 1981
    Date of Patent: October 25, 1983
    Assignee: Chern Developments Limited
    Inventors: Ernest P. Basterfield, Parker L. Basterfield