Patents by Inventor Patrick M. Pilolla

Patrick M. Pilolla 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).

  • Flow-control valve
    Patent number: 4848403
    Abstract: A flow-control valve including a separable body and fitting which define a cavity to house a seal assembly having a rotatable seal member with flow ports and a stationary seal member with corresponding flow ports. The rotatable seal member is selectively positionable by means outside the body to position the flow ports into or out of alignment to regulate or shut-off the flow of fluid, as desired.
    Type: Grant
    Filed: March 10, 1988
    Date of Patent: July 18, 1989
    Inventors: Joseph J. Pilolla, Patrick M. Pilolla