Patents by Inventor Jimmie R. Hayes

Jimmie R. Hayes 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).

  • Bag filter leak detection
    Patent number: 3960001
    Abstract: A method for the detection of leaks in bag filter apparatus is disclosed wherein there is employed a leak tracer composition comprising a gaseous dispersion of a very light, sub-micron particulate contrast medium. The tracer composition is flowed through the bag filter apparatus and leaks are detected by visual inspection of the filtration elements from the exhaust side thereof.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: June 1, 1976
    Assignee: Cabot Corporation
    Inventor: Jimmie R. Hayes