Patents by Inventor Matthew G. Bertovich

Matthew G. Bertovich 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 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
  • Escalator having guide wheels and guide track with cooperative non-flat surfaces
    Patent number: 4064986
    Abstract: An escalator including an endless belt and a plurality of steps attached thereto. The endless belt and steps are guided about a loop which includes load bearing and return runs for the steps, by guide wheels rotatably mounted on a common side of the endless belt, and a guide track. The guide wheels and guide track have cooperative, non-flat surfaces which guide the endless belt and steps about the loop, as well as provide the required support for the associated side of the endless belt.
    Type: Grant
    Filed: April 30, 1976
    Date of Patent: December 27, 1977
    Assignee: Westinghouse Electric Corporation
    Inventor: Matthew G. Bertovich