Patents by Inventor Willi Preu

Willi Preu 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).

  • Patent number: 3982371
    Abstract: A panel holding structure for a panel such as a glass window pane that includes a frame, a retaining step on the frame against which the panel is pressed, an elongated glazing stop engaging a side of the panel that is opposite the step with the glazing stop having a rigid stem positioned in a groove in the frame and extending therefrom adjacent to the surface of the panel that is opposite the step, pressure devices on the stem both within the groove and externally thereof and engaging both the panel and the groove surface for aid in retaining the stem in the groove and the panel against the step and a rigid flange on this stem extending away from the panel and overlying and engaging a portion of the frame that is adjacent the groove for resisting outward movement of the glazing stop by the pressure of the window thereagainst. The disclosure also includes the device including the elongated glazing stop that engages the panel and retains it upon a frame.
    Type: Grant
    Filed: May 2, 1973
    Date of Patent: September 28, 1976
    Assignee: Scovill Manufacturing Company
    Inventor: Willi Preu