Patents by Inventor Paul Bristoll

Paul Bristoll 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 detecting imperfections in a heat-insulating lining
    Patent number: 3934451
    Abstract: A method of detecting imperfections in a heat-insulating lining of foamed material of the wall of a space suitable for cryogenic uses by cooling the surfaces of the lining by scanning with a jet of cooled gas and observing the lining for imperfections in the cooled state.
    Type: Grant
    Filed: May 29, 1973
    Date of Patent: January 27, 1976
    Assignee: Shell Oil Company
    Inventors: Paul Bristoll, Godefridus Arink