Patents by Inventor Robert Heinonen

Robert Heinonen 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 latch for capillary tubing string
    Publication number: 20070114042
    Abstract: An hydraulic latch for selectively securing and, when necessary, automatically releasing capillary tubing suspended in a well bore in a manner affording clearance of a subsurface safety valve through which the suspended capillary tubing is suspended prior to release.
    Type: Application
    Filed: November 23, 2005
    Publication date: May 24, 2007
    Applicant: Double-E Inc.
    Inventors: Robert Heinonen, John Allen