Patents by Inventor Redreddy Sukumar Reddy

Redreddy Sukumar Reddy 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).

  • Patent number: 6134838
    Abstract: A power door for a transit vehicle includes a door panel, a base and hanger unit, a door support, a drive member and a motor. The door support is attached to the door panel and includes at least one roller which engages a hanger portion of the base and hanger unit for motion along the base and hanger unit. The hanger portion includes a longitudinal cavity and a slot communicating with the cavity. The drive member is disposed within the cavity and a drive member connector passes through the slot to connect the drive member to the door support.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: October 24, 2000
    Assignee: Westinghouse Air Brake Company
    Inventor: Redreddy Sukumar Reddy
  • Patent number: 6094867
    Abstract: A power door operator for mounting overhead of a door opening in a mass transit vehicle for moving a door panel over and away from the door opening, including a base plate incorporating a rotary helical drive internal of a door hanger. The door panel is locked in a closed position by primary and secondary means preventing drive rotation and panel movement.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: August 1, 2000
    Assignee: Westinghouse Air Brake Company
    Inventor: Redreddy Sukumar Reddy
  • Patent number: 6009668
    Abstract: A lock assembly, for a door panel of a transit vehicle, has its locking action directly driven by the door operator into which it is incorporated. The locking assembly holds the door panel in a closed position through direct contact with the door panel, providing improved reliability by bypassing intermediate components of the door operator.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: January 4, 2000
    Assignee: Westinghouse Air Brake Company
    Inventor: Redreddy Sukumar Reddy