Patents by Inventor Leland W. Barker

Leland W. Barker 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 and apparatus for measuring total liquid volume flow
    Patent number: 4393451
    Abstract: Method for measuring total liquid volume flow in partially full cylindrical pipes, and apparatus for practicing the method.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: July 12, 1983
    Assignee: Eastman Kodak Company
    Inventor: Leland W. Barker