Patents by Inventor Eric J. McMasters

Eric J. McMasters 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).

  • Valve apparatus
    Patent number: 9175786
    Abstract: A valve apparatus for a fluid transmission line. The valve apparatus comprising a housing; a drive mechanism; a leadscrew selectively rotatable in a first or second rotational leadscrew direction by the drive mechanism; a drive gear mounted to the housing, the drive gear configured to be selectively driven in a first or second drive gear direction during rotation of said leadscrew in the first or second leadscrew direction to operate an iris mechanism.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: November 3, 2015
    Assignee: LUMEC CONTROL PRODUCTS, INC.
    Inventors: Paul R. Luebbers, Eric J. McMasters
  • VALVE APPARATUS
    Publication number: 20150060713
    Abstract: A valve apparatus for a fluid transmission line. The valve apparatus comprising a housing; a drive mechanism; a leadscrew selectively rotatable in a first or second rotational leadscrew direction by the drive mechanism; a drive gear mounted to the housing, the drive gear configured to be selectively driven in a first or second drive gear direction during rotation of said leadscrew in the first or second leadscrew direction to operate an iris mechanism.
    Type: Application
    Filed: August 30, 2013
    Publication date: March 5, 2015
    Applicant: LUMEC CONTROL PRODUCTS, INC.
    Inventors: Paul R. Luebbers, Eric J. McMasters