Patents by Inventor E. G. LeVan

E. G. LeVan 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).

  • Powered sliding truck cab window
    Patent number: 4920698
    Abstract: A slidable pane power window assembly for mounting in the rear window of truck cabs is disclosed. The assembly comprises a frame dimensioned to fit in the rear window opening of a truck cab and fitted with one or more fixed and slidable window panes. A slidable pane is moved horizontally into an opened and closed position by a rack and pinion drive, wherein a rack affixed to the slidable pane is engaged by a pinion powered by a motor connected to the pinion via power transmission cable. Another embodiment uses a push-pull mechanism for operating the window.
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: May 1, 1990
    Assignee: Noran
    Inventors: Donald E. Friese, James W. Brown, Frank MacEwen, E. G. LeVan, Michael Smith