Patents by Inventor Ernest C. Lumb

Ernest C. Lumb 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: 4090853
    Abstract: A novel coal and liquid hydrocarbon fuel product, and a method for making the product, are disclosed.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: May 23, 1978
    Assignee: Shell Oil Company
    Inventors: Eric J. Clayfield, Ernest C. Lumb, Kenneth J. Wilbraham