Patents by Inventor Roger L. Hudgins

Roger L. Hudgins 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: 4889639
    Abstract: A microwave-based emulsion treating method and system comprising a microwave energy source, a microwave applicator for treating an emulsion, a separator vessel for receiving and separating microwave-treated emulsion, an oil-water analyzer for determining water content of the emulsion feed, and water supply means including control means responsive to the analyzer for adding a controlled amount of water to the emulsion feed going to the applicator. The added water may be recirculated from the separator.
    Type: Grant
    Filed: June 16, 1988
    Date of Patent: December 26, 1989
    Assignee: Conoco Inc.
    Inventors: Roger L. Hudgins, Steven E. Hawkins
  • Patent number: 4853119
    Abstract: A microwave-based emulsion treating system comprising a microwave energy source and a microwave applicator for treating an oil-water emulsion is disclosed. The applicator includes an internal coalescer medium for enhancing the effects of the microwave energy in separating the emulsion.
    Type: Grant
    Filed: March 24, 1988
    Date of Patent: August 1, 1989
    Assignee: Conoco Inc.
    Inventors: Nicholas O. Wolf, Roger L. Hudgins, David S. Seidner
  • Patent number: 4810375
    Abstract: A microwave-based emulsion treating system comprising a microwave energy source, a microwave applicator for treating an oil-water emulsion, a wave guide between the microwave energy source and the microwave applicator, a circulator in the wave guide, a separator vessel for receiving and separating microwave-treated emulsion, and means for removing an oily water phase from the separator, circulating it to a water load chamber on the circulator, and returning it from the water load chamber to the separator.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: March 7, 1989
    Assignee: Conoco Inc.
    Inventors: Roger L. Hudgins, Nicholas O. Wolf