Patents by Inventor Norman D. McMullen

Norman D. McMullen 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).

  • Patent number: 8003573
    Abstract: A method to remove hydrate plugs in a production system by passing a non-hydrate-forming or a hydrate-forming gas, which forms hydrates at a higher pressure than the existing hydrate, through the flow-restricting hydrate.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: August 23, 2011
    Assignee: BP Corporation North America Inc.
    Inventors: Adam L. Ballard, Norman D. McMullen, George J. Shoup
  • Publication number: 20090111715
    Abstract: A method to remove hydrate plugs in a production system by passing a non-hydrate-forming or a hydrate-forming gas, which forms hydrates at a higher pressure than the existing hydrate, through the flow-restricting hydrate.
    Type: Application
    Filed: April 14, 2008
    Publication date: April 30, 2009
    Inventors: Adam L. Ballard, Norman D. McMullen, George J. Shoup