Patents by Inventor Max D. Kelley

Max D. Kelley 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).

  • Process for pyrolyzing hydrocarbonaceous solids to recover volatile hydrocarbons
    Patent number: 4544478
    Abstract: Hydrocarbonaceous solids are pyrolyzed in a process employing a series of alternate pyrolysis zones and combustion zones preferably arranged along an incline. In particular, low grade hydrocarbonaceous solids are employed to supplement combustion in these alternating combustion zones.
    Type: Grant
    Filed: March 20, 1984
    Date of Patent: October 1, 1985
    Assignee: Chevron Research Company
    Inventor: Max D. Kelley