Patents by Inventor Samir M. Elguindy

Samir M. Elguindy 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).

  • Linear output force door operator
    Patent number: 4231192
    Abstract: A door operator including a unique electrical drive motor and a linkage arrangement having a drive bar applying driving action through a roller to a slide bar multiplying level wherein the multiplying lever is pivotally mounted at one end and slidably engaging a roller near the other end which is mounted on a slidable door.
    Type: Grant
    Filed: January 12, 1979
    Date of Patent: November 4, 1980
    Assignee: Vapor Corporation
    Inventors: Kristupas Daugiras, Samir M. Elguindy
  • Door operator with locking mechanism
    Patent number: 4087939
    Abstract: Door operator for doors on a passenger carrying vehicle such as a bus or the like for moving a door between open and closed positions and having a locking mechanism with a lost motion action for unlocking the doors prior to the door opening cycle.
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: May 9, 1978
    Assignee: Vapor Corporation
    Inventors: Samir M. Elguindy, Kristupas Daugirdas