Patents by Inventor Hossein Bavafa

Hossein Bavafa 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).

  • Helical escalator system
    Patent number: 9550654
    Abstract: The present application includes a system configured to provide transportation services between two different elevations. Individuals may be transported upward or downward within a circular stairway. The system includes a series of fixed stairs coupled to a housing. It also includes a series of corresponding movable stairs coupled to a central shaft. The movable stairs are configured to move in relation to the central shaft and are operable to provide transportation between two fixed stairs. An individual is lifted and translated between the fixed stairs as the movable stairs transition between a plurality of positions.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: January 24, 2017
    Inventor: Hossein Bavafa
  • HELICAL ESCALATOR SYSTEM
    Publication number: 20160368740
    Abstract: The present application includes a system configured to provide transportation services between two different elevations. Individuals may be transported upward or downward within a circular stairway. The system includes a series of fixed stairs coupled to a housing. It also includes a series of corresponding movable stairs coupled to a central shaft. The movable stairs are configured to move in relation to the central shaft and are operable to provide transportation between two fixed stairs. An individual is lifted and translated between the fixed stairs as the movable stairs transition between a plurality of positions.
    Type: Application
    Filed: June 19, 2015
    Publication date: December 22, 2016
    Inventor: Hossein Bavafa