Patents by Inventor Wang C. Chung

Wang C. Chung 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: 5030146
    Abstract: Disclosed is a mounting structure of a propulsion device for an inflatable boat, including a propulsion assembly, which comprises a power device and a driven propeller; a sleeve body, whose internal diameter is larger than the longitudinal length of the propeller of the propulsion assembly so as to allow the easy passage of the propeller of the propulsion device through the sleeve body; a mounting hole securely devised in the hull, the hole being provided near the stern of the inflatable boat in accordance with the habitual practice as well as for convenience sake, and the internal diameter being larger than the external diameter of the sleeve body; a power device supporting element, which is secured to the sleeve body so that when the propeller of the propulsion assembly passes through the sleeve body it can maintain the power device of the propulsion assembly above the flange of the cover of the sleeve body; and a set of direction control levers to turn the propeller of the propulsion assembly so as to cont
    Type: Grant
    Filed: February 13, 1990
    Date of Patent: July 9, 1991
    Assignee: Team Worldwide Corporation
    Inventor: Wang C. Chung
  • Patent number: 4335536
    Abstract: An inflatable throwing toy made of air impervious sheet material comprises an inflatable ring having an inflating valve located thereon the ring being comprised of a bottom and a top section joined at their outer and inner peripheries, and two or more disc sections with at least a first disc section of which being attached to the top section of the inflatable ring and a second disc section being attached to the first disc section of the inflatable ring forming an inflatable enclosure with the first disc section with an inflating valve located on a part of the inflatable enclosure. The inflatable throwing toy may have a cylindrical gusset made of air impervious sheet material joining the top section and the bottom section of the inflatable ring at the inner surfaces thereof and there being a third disc section extending from the bottom section of the inflatable ring. When the third disc section is used, the second disc section is an extension of the top section of the inflatable ring.
    Type: Grant
    Filed: October 23, 1980
    Date of Patent: June 22, 1982
    Inventors: Sidney H. Magid, Wang C. Chung
  • Patent number: 4318244
    Abstract: An inflatable throwing toy made of air impervious sheet material comprises an inflatable outer ring having an inflating valve located thereon, a first disc section which is an extension of the wall of the bottom side of the outer ring, a second disc section opposite to the first disc section which is an extension of the other side of the outer ring, and a third disc section extending from the top side of the outer ring and having an inflating valve provided thereon. The first disc section and the second disc section of the inflatable throwing toy are separated from each other within the internal periphery of the inflatable throwing toy by a cylindrical gusset section. The inflatable throwing toy may further comprise a plurality of air activated envelopes attached on the first disc section having air activated noise makers located therein.
    Type: Grant
    Filed: June 3, 1980
    Date of Patent: March 9, 1982
    Inventors: Sidney H. Magid, Wang C. Chung