Patents by Inventor John Kolker

John Kolker 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).

  • Multi-layered wellbore junction
    Publication number: 20050173121
    Abstract: A multi-layered wellbore junction. In a described embodiment, a method of forming an expanded chamber in a subterranean well includes the steps of: positioning multiple chamber sidewall layers in the well; and expanding the layers in the well to form the expanded chamber.
    Type: Application
    Filed: February 6, 2004
    Publication date: August 11, 2005
    Inventors: David Steele, John Kolker, Hendrik Stoltz, Gerald Kent