Patents by Inventor Man Fu E. Yeung

Man Fu E. Yeung 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: 5791958
    Abstract: An inflatable float for use in water by persons to float therein comprising a first and second air chambers each having a top and bottom side, a submerged air chamber interposed between the first and second air chambers forming a saddle capable of being straddled by a person, and a pair of support members connecting the submerged air chamber to the bottom sides of the first and second air chambers. The support members are connected to the bottom side of each of the first and second air chambers such that substantially the entire length of both bottom sides remain in floating contact with the surface of the water. The first and second air chambers may be shaped to form the head and tail of an animal.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: August 11, 1998
    Assignee: Sunco Products, Inc.
    Inventor: Man Fu E. Yeung
  • Patent number: 5671509
    Abstract: A rope lock formed from of a single one-piece unit having a central bore and a groove portion that cooperate with each other in order to frictionly engage a line thereby releasably securing the line in a desired position whereupon no tying of the line is required and quick securement is ultimately achieved, the rope lock including a pliable boot to facilitate being mountable to flexible electronically weldable and heat-sealable materials.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: September 30, 1997
    Assignee: Sunco Products, Inc.
    Inventor: Man Fu E. Yeung
  • Patent number: D417714
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: December 14, 1999
    Assignee: Sunco Products, Inc.
    Inventor: Man Fu E. Yeung