Patents by Inventor Paul E. Bentley

Paul E. Bentley 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).

  • Synthetic coal log
    Patent number: 4331446
    Abstract: A method of making synthetic fireplace logs or the like and the logs so produced. Approximately 80-95% by weight of pulverized coal is mixed with 5-20% by weight of dry paraffin to form a heterogeneous mixture. The mixture is fed into a cylindrical log mold and subjected to pressures of approximately 5,000 to 12,000 psi. The logs are then coated with a liquid paraffin.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: May 25, 1982
    Assignee: EPA Energy Products, Inc.
    Inventors: Edward F. Draper, Paul E. Bentley