Patents Assigned to Billwin Auto Accessories, Ltd.
  • Self-deploying tubular enclosure
    Patent number: 6363955
    Abstract: A self-deploying, collapsible and foldable fabric structure suitable for use as a shelter, shower stall or modesty screen in a changing room, comprises a base panel formed by a piece of fabric stretched over a flexible wire-looped frame. A series of additional flexible close wire-loop frames are mounted over the base panel at spaced-apart locations, and are covered with another piece of fabric to form a tubular enclosure.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: April 2, 2002
    Assignee: Billwin Auto Accessories, Ltd.
    Inventor: Wai Hang Louie
  • Self-erecting, collapsible and foldable dome structure
    Patent number: 6311709
    Abstract: A self-erecting, collapsible and foldable dome structure comprises an armature formed by two unconnected loops of resiliently flexible wire concentrically and orthogonally intersecting at the center of the structure, and being bent into a dome shaped configuration. The fabric cover comprises two commensurate cruciform sheets joined around their peripheries to form an envelope containing the armature, and a series of gore panels filing the gaps between the arms of the cruciform envelope.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: November 6, 2001
    Assignee: Billwin Auto Accessories, Ltd.
    Inventors: Wai Hang Louie, Ming Tak Yau