Patents by Inventor James H. Cookson

James H. Cookson 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).

  • Patent number: 6225768
    Abstract: An automatic door diagnostic system for operating a door and a door motor which detects and reacts to various hazard conditions. According to one embodiment of the present invention, a sensor is used to detect hazard conditions and communicates with a controller which operates a motor for opening and/or closing the door. The controller then operates according to various protocols to open, close, stop and/or reverse the direction of the door. Additionally, according to various alternative aspects of the present invention, the automatic door diagnostic system can be configured to perform diagnostic checks to ensure proper operation of the components of the system.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: May 1, 2001
    Assignee: The Cookson Company
    Inventors: James H. Cookson, Bryon Hibbetts