Patents by Inventor Roy G. Jewell

Roy G. Jewell 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).

  • Liquid dispensing, vapor recovery system
    Patent number: 4202385
    Abstract: An improved, hybrid liquid dispensing, vapor recovery system is disclosed. As preferred, a turbine thereof is mounted in a liquid dispensing line, and an impeller thereof is mounted in a vapor recovery line and magnetically coupled with the turbine. The apparatus responds to the rate at which liquid is dispensed, and thereby controls vapor leaks in liquid receivers.
    Type: Grant
    Filed: February 14, 1978
    Date of Patent: May 13, 1980
    Assignee: Atlantic Richfield Company
    Inventors: Frederick L. Voelz, Roy G. Jewell