Patents by Inventor John Robert Belcher

John Robert Belcher 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).

  • Temperature controlled pipe and method of manufacturing same
    Patent number: 7123826
    Abstract: A pipe and a method of manufacturing same according to the pipe is formed, at least in part, with a tubular member formed of a plastic material, and dispersing a plurality of electrical current conductive materials in the plastic material for increasing the electrical conductivity of the tubular layer.
    Type: Grant
    Filed: July 16, 2003
    Date of Patent: October 17, 2006
    Assignee: Wellstream International Ltd.
    Inventor: John Robert Belcher