Patents by Inventor Magdy N. Bishai

Magdy N. Bishai 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).

  • Door opener apparatus with power transfer mechanism
    Patent number: 6374543
    Abstract: A garage door opener apparatus (10) with a transfer mechanism (50) is described. The transfer mechanism includes motor sprocket (59), chain (52, 52A), drive sprocket (53, 53A), shaft (54, 54A), driven sprocket (64, 64A) and chain (65, 65A) connected to a carriage assembly (20). The transfer mechanism enables positioning of the apparatus in a building (100) with an obstruction such as a beam (102) and safely allows transfer of the rotation of the motor sprocket to the door (101).
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: April 23, 2002
    Inventor: Magdy N. Bishai