Patents by Inventor Buell E. Gray

Buell E. Gray 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).

  • Low cost safety switch interlock defeat operator
    Patent number: 6943999
    Abstract: An apparatus for defeating an interlock for an electrical cabinet permits a technician qualified to service the equipment within the cabinet to defeat the interlock and open the cabinet while current is flowing through the equipment therein, while permitting the interlock to continue to resist unauthorized access to the interior of the cabinet.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: September 13, 2005
    Assignee: Eaton Corporation
    Inventors: Buell E. Gray, Richard D. Prohaska
  • Low cost safety switch interlock defeat operator
    Publication number: 20040174661
    Abstract: An apparatus for defeating an interlock for an electrical cabinet permits a technician qualified to service the equipment within the cabinet to defeat the interlock and open the cabinet while current is flowing through the equipment therein, while permitting the interlock to continue to resist unauthorized access to the interior of the cabinet.
    Type: Application
    Filed: March 6, 2003
    Publication date: September 9, 2004
    Inventors: Buell E. Gray, Richard D. Prohaska