Patents by Inventor Donna DeRosier

Donna DeRosier 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).

  • Industrial-rated circuit breaker having universal application
    Patent number: 5440284
    Abstract: A molded case circuit breaker enclosure and operating components are provided with additional features to enable compliance with a variety of international electrical requirements for sales in the world market. The circuit breaker operating handle is prevented from returning to the OFF position upon contact welding as one example. Another modification includes a reinforcement and rejection pin used with the enclosure case. A further modification includes a shield used with the movable contact arm to prevent the arc gas contaminants from contacting the circuit breaker operating springs.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: August 8, 1995
    Assignee: General Electric Company
    Inventors: David A. Ferullo, Roger J. Morgan, James L. Rosen, Donna DeRosier, Roger N. Castonguay
  • Industrial-rated circuit breaker having universal application
    Patent number: 5361052
    Abstract: A molded case circuit breaker enclosure and operating components are provided with additional features to enable compliance with a variety of international electrical requirements for sales in the world market. The circuit breaker operating handle is prevented from returning to the OFF position upon contact welding as one example. Another modification includes a reinforcement and rejection pin used with the enclosure case. A further modification includes a shield used with the movable contact arm to prevent the arc gas contaminants from contacting the circuit breaker operating springs.
    Type: Grant
    Filed: July 2, 1993
    Date of Patent: November 1, 1994
    Assignee: General Electric Company
    Inventors: David A. Ferullo, Roger J. Morgan, James L. Rosen, Donna DeRosier, Roger N. Castonguay