Patents by Inventor Werner Korling

Werner Korling 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).

  • Automatic door closing device
    Patent number: 5090089
    Abstract: To simplify the fabrication of the housing of an automatic door closing device with hydraulic damping, it is proposed to configure the housing as a tubular hollow cylinder 106 on which, externally, by means of one or more compactly superimposed covering elements 102, a bypass valve 121 is formed.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: February 25, 1992
    Assignee: ECO Schulte GmbH & Co. KG
    Inventors: Ernst Schulte, Werner Korling, Franz Kraft
  • Device for damping the closing movement of a dual door spring-loaded or closure and closure control therefor
    Patent number: 4967444
    Abstract: A double-winged door spring is biased for closing with a mechanism for damping of the closure movement and includes a closure sequence control, particularly of a fire-resistant door, in which the damping of the movable door portion is accomplished through a hydraulic damping element with throttled overflow. The hydraulic damping element includes two oppositely controlled pressure chambers defined by a double-acting piston and a valve disposed in the overflow conduit connecting the two pressure chambers, the valve being actuated directly or indirectly through the stationary door portion. By the valve being disposed in the overflow conduit, actuation of the movable door portion can be inhibited until the stationary door portion is closed.
    Type: Grant
    Filed: February 15, 1983
    Date of Patent: November 6, 1990
    Assignee: Geze GmbH
    Inventors: Werner Korling, Franz Kraft