Patents by Inventor Michel J. L. Coquerel

Michel J. L. Coquerel 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 for a distributor member connected to a distributed product totalizing element
    Patent number: 4977391
    Abstract: The measuring element and the totalizing element are each respectively connected to one of two operation sensors, supplying respectively an information on one input of a two input AND management circuit. The AND management circuit is connected to a control member for the distributor member in order to stop it in lack of information from at least one of the two operations sensors.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: December 11, 1990
    Assignee: Equipement Industriel Normand
    Inventor: Michel J. L. Coquerel
  • Flexible hose automatic winding device
    Patent number: 4305553
    Abstract: An automatic winding or retracting device for the flexible hose of a gasoline or other petroleum product supply unit. The device comprises a drum for the flexible hose, the drum being connected to a pulley on which is wound a cable connected to a tensioning mechanism.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: December 15, 1981
    Inventor: Michel J. L. Coquerel