Patents by Inventor King Chee Ho

King Chee Ho 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).

  • Flushing mechanism for a dual flush cistern
    Patent number: 6785913
    Abstract: A flushing mechanism for a dual flush cistern system comprises a float assembly (1) comprising a hollow valve stemn (2) carrying a sealing valve (3) for sealing the outlet opening of the cistern at or towards one end and being open at each end to define an overflow passage and a float (6) fixedly attached around the valve stem (2), a cylindrical guide member (7) surrounding the float (6) and having at the end adjacent the sealing valve at least one opening to allow liquid to pass to the outlet opening, an operating rod (17) arranged to move vertically upward to raise the float assembly (1) to open the vavle (3), first and second operating means (25, 26) arranged to effect such vertical movement of the operating rod (17), the first operating means (25), an operation, being arranged to raise the float assembly (1) a first distance to a level which the float assembly (1) is buoyant, and the second operating means (26) being arranged to raise the float assembly (1) a second distance, less than the first distance
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: September 7, 2004
    Assignee: Cistern Technology Pte., Ltd.
    Inventor: King Chee Ho
  • Flushing mechanism for a dual flush cistern
    Publication number: 20030131403
    Abstract: A flushing mechanism for a dual flush cistern system comprises a float assembly (1) comprising a hollow valve stem (2) carrying a sealing valve (3) for sealing the outlet opening of the cistern at or towards one end and being open at each end to define an overflow passage and a float (6) fixedly attached around the valve stem (2), a cylindrical guide member (7) surrounding the float (6) and having at the end adjacent the sealing valve at least one opening to allow liquid to pass to the outlet opening, an operating rod (17) arranged to move vertically upward to raise the float assembly (1) to open the vavle (3), first and second operating means (25, 26) arranged to effect such vertical movement of the operating rod (17), the first operating means (25), an operation, being arranged to raise the float assembly (1) a first distance to a level which the float assembly (1) is buoyant, and the second operating means (26) being arranged to raise the float assembly (1) a second distance, less than the first distance i
    Type: Application
    Filed: October 9, 2002
    Publication date: July 17, 2003
    Inventor: King Chee Ho