Patents by Inventor Harold L. Corcoran

Harold L. Corcoran 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).

  • Elevator system
    Patent number: 4157133
    Abstract: An elevator system which includes a display of dynamic system conditions, and a building floor security arrangement which cooperates with the elevator system and display to take cars in and out of service, and to selectively control access to the floors of the building. The display visually confirms each change correctly initiated by the security arrangement. Multiple display modes may be selectively activated to either decode an input to the display and display an associated legend, or to examine the integrity of the wiring associated with the input.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: June 5, 1979
    Assignee: Westinghouse Electric Corp.
    Inventors: Harold L. Corcoran, Kenneth M. Eichler, Alan F. Mandel