Patents by Inventor Rick A. Wolf

Rick A. Wolf 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).

  • Ground fault detection with location identification
    Patent number: 5644293
    Abstract: A ground fault detection scheme uniquely incorporated within a distributed intelligence, fire alarm and detection system, such that detection is achieved with location identification. The modules (and transponders) of the system collaborate with the loop controller in performing ground fault operations to determine precise existing ground conditions at the module locations.
    Type: Grant
    Filed: May 16, 1995
    Date of Patent: July 1, 1997
    Assignee: General Signal Corporation
    Inventors: Robert W. Right, Jan A. Braam, John P. Hewlin, Rick A. Wolf