Patents by Inventor Mohamed A. El Taher

Mohamed A. El Taher 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).

  • Transportation apparatus
    Patent number: 4257515
    Abstract: Transportation apparatus for transporting persons between spaced upper and lower landings, including a plurality of steps mounted for articulation between step and platform modes. Motion markers are disposed on the riser part of at least certain of the steps which appear and disappear responsive to articulation.
    Type: Grant
    Filed: April 14, 1977
    Date of Patent: March 24, 1981
    Assignee: Westinghouse Electric Corp.
    Inventor: Mohamed A. El Taher
  • Transportation apparatus with protective arrangement for combplate teeth
    Patent number: 4126218
    Abstract: Transportation apparatus including a load bearing conveyor having a plurality of platforms for transporting persons between spaced landings. The platforms include a plurality of longitudinal grooves, and the landings each include a combplate having a plurality of teeth which mesh with the grooves. The combplate includes a portion adjacent the teeth which is dimensioned and positioned to shield the teeth from mechanical stresses when the combplate is subjected to a deflecting load.
    Type: Grant
    Filed: April 14, 1977
    Date of Patent: November 21, 1978
    Assignee: Westinghouse Electric Corp.
    Inventors: Mohamed A. El Taher, Matthew G. Bertovich