Patents by Inventor Steve Krieger

Steve Krieger 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).

  • Thermally insulated suspension ceiling
    Patent number: 4862663
    Abstract: A suspension ceiling for a walk-in cooler comprises a set of panels that have a thermally insulated foam core in which a rigid support channel is embedded so as to extend from one panel side to another. Hangers are included that have a bar sized to be inserted into the ends of the support channels of adjacent panels from which bars suspension rods or wires extend.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: September 5, 1989
    Inventor: Steve Krieger
  • Door actuating system
    Patent number: 4847541
    Abstract: A door actuating system has an electric drive motor and a chain drive connected to the door. An electromagnetic clutch connects the motor drive to the chain drive when the clutch is activated. The system includes a controller for controlling the magnitude of the voltage applied to the clutch to allow the movement of the door to build up over a finite time to a steady-state speed.
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: July 11, 1989
    Inventor: Steve Krieger