Patents by Inventor Jean M. Colling

Jean M. Colling 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).

  • Safety device
    Patent number: 4524449
    Abstract: Safety device between a system for the control of a safety actuator and a logic circuit for controlling the actuator.The device comprises sequential circuit for the transmission of logic signals supplied by the control system to the logic circuit, sequential checking circuit for applying to the logic circuit actuator release signals in the case of a failure of the contol system or of the tansmission circuit, the transmission of signals between the system and the logic circuit being carried out after checking the no-failure of the transmission circuit.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: June 18, 1985
    Assignee: Framatome & Cie.
    Inventor: Jean M. Colling