Patents by Inventor Jack L. Clem

Jack L. Clem 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).

  • Air recuperator cleaner
    Patent number: 4846894
    Abstract: A method and apparatus for interrupting the flow of carbon black particle-carrying transport as passing through recuperator tubes for a short period of time to cause the carbon black material accumulating and adhering to the inner walls of the tube to be removed therefrom and swept from the tube by the resumption of transporter gas flow.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: July 11, 1989
    Assignee: J. M. Huber Corporation
    Inventors: Jack L. Clem, Oscar T. Scott, IV
  • Air recuperator cleaner
    Patent number: 4577680
    Abstract: A method and apparatus for interrupting the flow of carbon black particle-carrying transport gas passing through recuperator tubes for a short period of time to cause the carbon black material accumulating and adhering to the inner walls of the tube to be removed therefrom and swept from the tube by the resumption of transporter gas flow.
    Type: Grant
    Filed: May 23, 1984
    Date of Patent: March 25, 1986
    Assignee: J. M. Huber Corporation
    Inventors: Jack L. Clem, Oscar T. Scott, IV