Patents by Inventor Steven Terry FREEMAN

Steven Terry FREEMAN 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).

  • HYDRAULIC LOCK COMPENSATING DUMMY VALVE
    Publication number: 20170198549
    Abstract: A dummy valve comprising a housing and a rupture disc disposed within the housing, wherein the housing and the rupture disc define a first internal chamber and associated systems and methods.
    Type: Application
    Filed: June 29, 2015
    Publication date: July 13, 2017
    Inventors: Steven Terry FREEMAN, Wayne J. MABRY, Edward Eugene SHUMILAK, Kenneth Frank TYLER