Patents by Inventor Sau Chun CHEUNG

Sau Chun CHEUNG 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: 8955173
    Abstract: A portable multifunctional commode chair includes: a chair including a foldable chair back, foldable chair legs and a cushion, wherein a seat hole is provided at a center of the cushion; a concave slot is provided along an edge of said seat hole; a plastic bag is provided in the seat hole and fixed in the concave slot; an anal plug for being inserted into an anus; an adjustable dripping stand hinged on the chair and comprising a dripping bag connected to the anal plug; a closing covering comprising an upper supporting ring and a lower supporting ring, wherein connecting elements are provided at a center of the upper supporting ring; an opaque textile or a plastic cloth is surrounding between the upper supporting ring and the lower supporting ring and a door for opening and closing is provided on the opaque textile or the plastic cloth.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: February 17, 2015
    Inventor: Sau Chun Cheung
  • Publication number: 20140157505
    Abstract: A portable multifunctional commode chair includes: a chair including a foldable chair back, foldable chair legs and a cushion, wherein a seat hole is provided at a center of the cushion; a concave slot is provided along an edge of said seat hole; a plastic bag is provided in the seat hole and fixed in the concave slot; an anal plug for being inserted into an anus; an adjustable dripping stand hinged on the chair and comprising a dripping bag connected to the anal plug; a closing covering comprising an upper supporting ring and a lower supporting ring, wherein connecting elements are provided at a center of the upper supporting ring; an opaque textile or a plastic cloth is surrounding between the upper supporting ring and the lower supporting ring and a door for opening and closing is provided on the opaque textile or the plastic cloth.
    Type: Application
    Filed: February 9, 2012
    Publication date: June 12, 2014
    Inventor: Sau Chun Cheung
  • Publication number: 20120000012
    Abstract: A portable closet with a heater comprises a tub composed of a bottom sheet and a plurality of side sheets and forming a cavity for receiving urine and excrement of users; a cover detachably covering the tub, which cover includes a toilet seat provided with an aperture and a lid pivotably connected to the toilet seat, and at least two hooks are provided on a lower surface of the toilet seat; a receiving bag hung from the hooks for receiving the urine and excrement; a plastic bag covering the receiving bag; a supporting base provided within the tub for supporting the receiving bag and the plastic bag; a rod provided for supporting toilet tissues; a slit formed through the toilet seat and aligning with the rob to enable the toilet tissues to pass through; a heater provided in the toilet seat for heating the toilet seat when being turned on.
    Type: Application
    Filed: April 6, 2011
    Publication date: January 5, 2012
    Applicant: WELL-IN PRODUCTION COMPANY LIMITED
    Inventor: Sau Chun CHEUNG