Patents by Inventor Paul H. Davis, Jr.

Paul H. Davis, 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).

  • Ultra-sonic horn
    Patent number: 4131505
    Abstract: A large solid horn has an energy output and an energy input. The output is useful for application to a load. The horn is provided with a groove in the horn side surface about the horn axis and is preferably located nearer the output end thereof. This groove functions to correct fall off in amplitude of sonic energy at or near the outer edge portion of the horn output end.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: December 26, 1978
    Assignee: DuKane Corporation
    Inventor: Paul H. Davis, Jr.