Patents by Inventor Rick D. Hoover

Rick D. Hoover 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).

  • Muffler for air operated reciprocating pumps
    Patent number: 5559310
    Abstract: An open path low back pressure muffler for reciprocating air motor pulsing exhaust providing an increased area inlet orifice, double flow path reversal with directional flow assistance and a turnable sound absorbing lined duct exit.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: September 24, 1996
    Assignee: Ingersoll-Rand Company
    Inventors: Rick D. Hoover, Nicholas Kozumplik, Jr., Joseph W. Sullivan