Patents by Inventor Jeffry A. Cox

Jeffry A. Cox 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).

  • Floating recycle pan for ebullated bed reactors
    Patent number: 4911893
    Abstract: A floating recycle pan is provided to control the flow of the feed into and out of the downcomer even while the oil liquid level in the ebullated bed reactor is varied to provide continuous ebullation and enhance the efficiency and yield of the process.
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: March 27, 1990
    Assignee: Amoco Corporation
    Inventor: Jeffry A. Cox
  • Process for reducing resid hydrotreating solids in a fractionator
    Patent number: 4808298
    Abstract: An effective hydrotreating process is provided to minimize precipitation of asphaltenic solids in the product oil. In the preferred process, an aromatic diluent, preferably comprising decanted oil, is injected into one or more of the fractionators downstream of the reactor.
    Type: Grant
    Filed: August 24, 1987
    Date of Patent: February 28, 1989
    Assignee: Amoco Corporation
    Inventors: Lawrence B. Peck, Robert D. Buttke, George L. Ott, Jeffry A. Cox
  • Floating recycle pan and process for ebullated bed reactors
    Patent number: 4792391
    Abstract: A floating recycle pan and ebullated bed process are provided to control the flow of the feed into and out of the downcomer even while the oil liquid level in the ebullated bed reactor is varied to provide continuous ebullation and enhance the efficiency and yield of the process.
    Type: Grant
    Filed: June 11, 1987
    Date of Patent: December 20, 1988
    Assignee: Amoco Corporation
    Inventor: Jeffry A. Cox