Patents by Inventor William E. Hurlburt

William E. Hurlburt 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).

  • Dropout expulsion fuse
    Patent number: 5300914
    Abstract: A fuse is provided for protection of high current power distribution equipment, such as transformers. The fuse includes a dual function fuse element having a solder pot which permits fuse opening in response to long-term current overload conditions, and a minimum cross-section wire portion for short circuit opening. The fuse element is enclosed within a tube, and the tube is received within a housing. The tube is closed off on one end thereof with a dual size button, which size is selectable for reception into the housing.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: April 5, 1994
    Assignee: Cooper Power Systems, Inc.
    Inventors: Thomas C. Hartman, Stephen P. Johnson, Paul R. Desnoyers, William E. Hurlburt, Robert N. Schettler, Walter R. Materna