Patents by Inventor Tsung I. Lo

Tsung I. Lo 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: 7650769
    Abstract: A lock device includes a housing with a center through hole and a core that matches the center through hole. There is a center through hole engagement groove in the wall of the center through hole and there is a core engagement groove opposite this center through hole engagement groove. The lock includes a fitting ring and elastic part. The fitting ring and elastic part are between the center through hole engagement groove and the core engagement groove, within the core engagement groove. The advantages of the aforementioned lock are that assembly is convenient and use is not easily affected by assembly.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: January 26, 2010
    Inventor: Tsung-I Lo
  • Publication number: 20090158794
    Abstract: This invention involves a lock device, including housing with a center through hole and a core that matches the center through hole. There is a center through hole engagement groove in the wall of the center through hole and there is a core engagement groove opposite this center through hole engagement groove. The lock includes a fitting ring and elastic part. The fitting ring and elastic part are between the center through hole engagement groove and the core engagement groove, within the core engagement groove. The advantages of the aforementioned lock are that assembly is convenient and use is not easily affected by assembly.
    Type: Application
    Filed: June 25, 2008
    Publication date: June 25, 2009
    Inventor: Tsung-I Lo
  • Patent number: 5406813
    Abstract: An extendable lock for a steering wheel including a locking tube with a channel therein. A locking housing is disposed at a suitable position on the locking tube. The locking tube includes a hook. A locking rod is received by the channel of the locking tube. A plurality of ratchet slots are disposed at suitable positions on the locking rod. A hook is provided on the locking rod. An actuating mechanism is placed within the locking housing for facilitating an easy pull-out of the locking rod when the actuating mechanism is at a retracted position.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: April 18, 1995
    Inventor: Tsung-I Lo
  • Patent number: 5329794
    Abstract: An automobile steering lock comprising a rod member telescopically moving in a tubular body member and a passageway in a housing, the rod member having a plurality of grooves consisting of a vertical face and a sloped face for two vertical plates to fit in to stop the rod member to keep it immovable at a certain length relative to the body member so as to attach two hooks welded on the rod member and the body member on a steering wheel to lock it immovable, the vertical plates being moved by a dead bolt moved by a lock with a key for unlocking, the vertical plates regularly pushed by two springs to engage the grooves of the rod member to lock the rod member immovable after two hooks hooked on the steering wheel without using a key to lock it.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: July 19, 1994
    Inventor: Tsung-I Lo
  • Patent number: 5069048
    Abstract: An antitheft device for attachment to a steering wheel of an automobile comprising an elongated body member having a passageway extending along an axis therein, a first hook secured to the body member for engagement with a poriton of the steering wheel, an elongated rod member adapted to move in telescopic fashion in the passageway of the body member along the axis, a second hook secured to the rod member for engaging the steering wheel diametrically opposed to the first hook, and a lock assembly including a housing made of mating halves and secured together by a bracket member and rivets to define plural passageways and internal chambers for accommodating a lock mechanism that allows the rod member to extend with respect to the body member and be selectively locked in any one of a plurality of positions.
    Type: Grant
    Filed: January 22, 1991
    Date of Patent: December 3, 1991
    Inventor: Tsung I Lo
  • Patent number: 5005388
    Abstract: An antitheft device for attachment to a steering wheel of an automobile comprising an elongated body member having a passageway extending along an axis therein, a first hook secured to the body member for engagement with a portion of the steering wheel wherein the first hook engages the wheel from the inside thereof with the body member extending outward beyond the periphery of the steering wheel, an elongated rod member adapted to move in telescopic fashion in the passageway of the body member along the axis, a second hook secured to the rod member for engaging the inside portion of the steering wheel diametrically opposed to the first hook, and a lock assembly that allows the rod member to extend with respect to the body member and be selectively locked in any one of a plurality of positions.
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: April 9, 1991
    Inventor: Tsung I. Lo
  • Patent number: D324163
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: February 25, 1992
    Inventor: Tsung I. Lo
  • Patent number: D356242
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: March 14, 1995
    Inventor: Tsung-I Lo
  • Patent number: D362172
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: September 12, 1995
    Inventor: Tsung-I Lo