Patents by Inventor Michael A. Mindock

Michael A. Mindock 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).

  • Patent number: 6030174
    Abstract: A method and apparatus for regulating fluid flow through a turbine comprising a valve housing positioned in a fluid flow path, the valve housing having a fluid inlet, a fluid outlet, and chamber connecting the fluid inlet and the fluid outlet; a valve sleeve positioned within the chamber, the sleeve comprising a wall having inner and outer surfaces with a plurality of preferably peripherally spaced ports positioned around the periphery of the sleeve, the ports extending between the inner and outer surfaces; a valve head having first and second ends and at least two seal rings with at least one seal ring proximate the first and second ends respectively, the head dimensioned to fit tightly and move reciprocatively within the sleeve; a valve stem having a first and second end, wherein the first end is attached to the valve head, the stem extending away from the valve head; and an actuator attached to the second end of the valve stem.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: February 29, 2000
    Assignee: Dresser-Rand Company
    Inventors: William C. Maier, Michael A. Mindock