Patents by Inventor Gregory M. Witte

Gregory M. Witte 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).

  • Optimized preheating of hydrogen/hydrocarbon feed streams
    Patent number: 7384539
    Abstract: An improved and simplified hydrocarbon processing system is provided which has a mixing section for mixing of hydrogen and hydrocarbon to form combined, two-phase streams, as well as an indirect heat exchange section having a plurality of double-pass shell-and-tube heat exchangers designed to simultaneously receive and heat respective combined streams while maintaining separation of the streams. The use of the specialized double-pass exchangers results in significantly reduced capital and maintenance costs.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: June 10, 2008
    Assignee: ConocoPhillips Company
    Inventor: Gregory M. Witte