Patents by Inventor William B. Howarth

William B. Howarth 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).

  • Compact redundant cooling module and method
    Patent number: 5478214
    Abstract: A compact redundant cooling module has four fans operated by two electric motors, one electric motor serving to operate two fans at one time to cool a heavy industrial engine as required for efficient operation; the other motor and pair of fans being rotated but not operated, in order to provide a backup system.
    Type: Grant
    Filed: February 9, 1994
    Date of Patent: December 26, 1995
    Assignee: Illinois Blower, Inc.
    Inventors: William B. Howarth, William B. Howarth, Richard J. Bursh