Patents by Inventor Roger D. Rion

Roger D. Rion 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).

  • Submersible pump safety systems
    Patent number: 4632184
    Abstract: A pump produces through a tubing in a cased well. Gas is vented through the packer and through a valve preferably located in a side pocket mandrel in the tubing. A subsurface safety valve is positioned in the tubing below the side pocket mandrel and preferably below the packer. The safety valve is preferably of the flapper type and when the valve is closed liquid is automatically recirculated to the pump.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: December 30, 1986
    Assignee: Otis Engineering Corporation
    Inventors: James B. Renfroe, Jr., Rennie L. Dickson, Roger D. Rion