Patents by Inventor Man F. Yeung

Man F. 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).

  • Inflatable floating spa
    Patent number: 5570480
    Abstract: An inflatable floating spa for use in water by a person to recline and rest therein that is formed from a resilient material and comprises an air chamber that provides support for suspended upper and lower water chambers which remain submerged and a sheet means that is interposed between the upper and lower water chambers forming a seat.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: November 5, 1996
    Assignee: Sunco Products, Inc.
    Inventor: Man F. Yeung
  • Aquatic system with pneumatic devices and releasable coupling therebetween
    Patent number: 5507674
    Abstract: An aquatic device comprising a buoyant member which has a first surface and a second surface and a central plane therebetween. The buoyant member also has a peripheral edge therearound. Two pair of clips are included with each pair including a male member and a female member. The male and female member of each pair are spaced with respect to each other. Attachment elements are included to couple the clips to the peripheral edge of the buoyant member with one pair at a first location and the other pair at an opposite location.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: April 16, 1996
    Assignee: Sunco Products, Inc.
    Inventor: Man F. Yeung