Patents by Inventor Roy H. Allred, Jr.

Roy H. Allred, Jr. 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).

  • Fluid spray nozzle having leak resistant sealing means
    Patent number: 4219160
    Abstract: A fluid spray nozzle of the massaging type for selectively producing pulsating and nonpulsating streams is provided with axially adjustable valve sealing arrangements for selectively opening and closing inlet ports. The axial flow directing and sealing means provides positive shut-off characteristics even after the various elements have been subjected to substantial wear.
    Type: Grant
    Filed: January 6, 1978
    Date of Patent: August 26, 1980
    Assignee: General Electric Company
    Inventor: Roy H. Allred, Jr.