Patents by Inventor Stephen Pfiester

Stephen Pfiester 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).

  • Inside riser tree controls adapter and method of use
    Patent number: 9556685
    Abstract: A riser tree controls adapter comprises an outer riser tree controls adapter, placed outside a first tubular, and an inner riser tree controls adapter placed outside a second tubular and configured to be received into the outer riser tree controls adapter. Once inserted into the outer riser tree controls adapter, one or more control signal pathways are provided between a junction plate control connection receiver and a corresponding set of inner connection interfaces.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: January 31, 2017
    Assignee: Oceaneering International, Inc.
    Inventors: Chad Blanchard, Daniel Vela, Stephen Pfiester, Nicole Marino
  • INSIDE RISER TREE CONTROLS ADAPTER AND METHOD OF USE
    Publication number: 20160305193
    Abstract: A riser tree controls adapter comprises an outer riser tree controls adapter, placed outside a first tubular, and an inner riser tree controls adapter placed outside a second tubular and configured to be received into the outer riser tree controls adapter. Once inserted into the outer riser tree controls adapter, one or more control signal pathways are provided between a junction plate control connection receiver and a corresponding set of inner connection interfaces.
    Type: Application
    Filed: April 14, 2015
    Publication date: October 20, 2016
    Applicant: OCEANEERING INTERNATIONAL, INC.
    Inventors: Chad Blanchard, Daniel Vela, Stephen Pfiester, Nicole Marino