Patents by Inventor Walter J. Sloan

Walter J. Sloan 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).

  • Pulsed rinse of particulate beds
    Patent number: 4184893
    Abstract: A method of rinsing a wetted particulate solid bed in liquid-contacting service by gravity draining or by gas blowing the bed and then rinsing it with successive gas-impelled pulses of rinse liquid.
    Type: Grant
    Filed: July 13, 1976
    Date of Patent: January 22, 1980
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: David O. Halvorson, Walter J. Sloan