Patents by Inventor Edward Carl Johnston

Edward Carl Johnston 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: 7117916
    Abstract: A transition shield for a door system (10) having a pair of tracks (15), which include a vertical track section (16) and a horizontal track section (17) connected by a transition track section (18) supported at least partially by a door jamb (11) to prevent objects from entering a transition space defined between the jamb and the transition track section, the transition shield (60) including a plate-like member (61) having a vertically extending forward edge (64) configured to fit proximate the jamb and extending rearward an extent sufficient to overly at least a portion of the transition track section to cover the transition space.
    Type: Grant
    Filed: May 11, 2004
    Date of Patent: October 10, 2006
    Assignee: Wayne-Dalton Corp.
    Inventors: Edward Carl Johnston, Dwayne Joseph Kornish
  • Patent number: 7055571
    Abstract: A door system (10) used in connection with an opening defined by a pair of jambs (11) and a laterally extending header (12) connecting the jambs, the door system including, a pair of tracks (15) mountable on the jambs, the tracks having a vertical track section (16) running adjacent the jambs, wherein a space (25) is defined between the tracks and the jambs along at least a portion of their length, a door (D) mounted for movement on the tracks and movable between an open position and a closed position, and a shield (30) mounted laterally outward of the tracks and adjacent thereto, the shield extending rearward from the jamb and overlying at least a portion of the tracks along the length of the vertical track section, wherein the overlying portion of the shield contacts the vertical track section along the length thereof.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: June 6, 2006
    Assignee: Wayne-Dalton Corp.
    Inventors: Edward Carl Johnston, Dwayne Joseph Kornish