Patents by Inventor Ronald Leung

Ronald Leung 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: 7798527
    Abstract: A portable seatbelt device for attachment to a seat to restrain a person to the seat includes a carrying case and a lap belt having a portion attached to the carrying case. The lap belt is operable to wrap around the person in the vicinity of the person's waist to thereby restrain the person to the device. An exit belt is included having a first portion, a length of which is attached to the carrying case, and a second portion extending from the carrying case with a buckle connector attached thereto. At least one retractable mechanism is attached to the first portion of the exit belt and contains at least one retractable belt. The retractable belt is operable to extend out from the retractable mechanism and around a portion of the seat and connect with the connector attached to the second portion of the exit belt to thereby wrap around the person in the vicinity of the person's shoulders to restrain the person to the seat.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: September 21, 2010
    Assignees: Sara's Wish Foundation, University of Massachusetts
    Inventors: Clint Walton, Ronald Leung, Sundar Krishnamurty, Anne M. Schewe, Joshua Doolittle
  • Publication number: 20080246265
    Abstract: A portable seatbelt device for attachment to a seat to restrain a person to the seat includes a carrying case and a lap belt having a portion attached to the carrying case. The lap belt is operable to wrap around the person in the vicinity of the person's waist to thereby restrain the person to the device. An exit belt is included having a first portion, a length of which is attached to the carrying case, and a second portion extending from the carrying case with a buckle connector attached thereto. At least one retractable mechanism is attached to the first portion of the exit belt and contains at least one retractable belt. The retractable belt is operable to extend out from the retractable mechanism and around a portion of the seat and connect with the connector attached to the second portion of the exit belt to thereby wrap around the person in the vicinity of the person's shoulders to restrain the person to the seat.
    Type: Application
    Filed: April 4, 2008
    Publication date: October 9, 2008
    Inventors: Clint Walton, Ronald Leung, Sundar Krishnamurty, Anne M. Schewe, Joshua Doolittle