Patents by Inventor Edward B. JOHNSTON

Edward B. JOHNSTON 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).

  • Installation of a valve in a pipeline
    Patent number: 9297487
    Abstract: A process and apparatus for installing a valve in a pipeline while the pipeline is pressurized, and without leakage of pipeline media. A valve body is formed by attaching a sleeve with an annular space to a pipeline, filling the annular space with curable material, and then machining a cylindrical hole through the pipe, into which a valve is inserted.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: March 29, 2016
    Assignee: Gas Technology Institute
    Inventors: Robin N. Borland, Dennis R. Jarnecke, Edward B. Johnston
  • INSTALLATION OF A VALVE IN A PIPELINE
    Publication number: 20150115186
    Abstract: A process and apparatus for installing a valve in a pipeline while the pipeline is pressurized, and without leakage of pipeline media. A valve body is formed by attaching a sleeve with an annular space to a pipeline, filling the annular space with curable material, and then machining a cylindrical hole through the pipe, into which a valve is inserted.
    Type: Application
    Filed: October 29, 2013
    Publication date: April 30, 2015
    Inventors: Robin N. BORLAND, Dennis R. JARNECKE, Edward B. JOHNSTON