Patents by Inventor Michael S. Zrubek

Michael S. Zrubek 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).

  • High reliability high flow redundant trip block
    Patent number: 10119478
    Abstract: A trip block is provided. The trip block includes a single housing which commonly houses multiple valve assemblies. Each valve assembly includes a rotary valve member arrangement. The rotary valve member arrangement includes a spool and a sleeve with a predefined radial clearance between the spool and sleeve.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: November 6, 2018
    Assignee: Woodward, Inc.
    Inventors: John J. Been, Michael S. Zrubek, Jonathan P. Workman