Patents by Inventor Edward K. Harrison

Edward K. Harrison 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: 4643977
    Abstract: Micro-reactivity of cokes can be estimated by carbonizing a small sample of powdered coal to form a char and until constant weight at a desired test temperature, then measuring weight loss in a given time.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: February 17, 1987
    Assignee: Coal Industry (Patents) Limited
    Inventors: Joseph Goleczka, Edmund P. Mills, Edward K. Harrison, Roy Nichols