Patents by Inventor Siu Hui

Siu Hui 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).

  • Publication number: 20050120508
    Abstract: An improved floor care appliance if provided. The floor care appliance comprises a base for movement along the surface attached to a housing. The floor care appliance has two liquid storage tanks located in the housing wherein one of the liquid storage tanks generally overlies the other liquid storage tank. In the preferred embodiment of the invention, the liquid storage tank located above the other liquid storage tank is a cleaning solution storage tank and the other liquid storage tank is a liquid recovery tank.
    Type: Application
    Filed: January 11, 2005
    Publication date: June 9, 2005
    Inventors: Jeffery Morgan, Charles Lang, Adam Sclafani, Kevin Thomas, Jeffrey Louis, David O'Neal, Siu Hui
  • Publication number: 20050034266
    Abstract: A floor cleaning device comprises a base portion for movement along a surface and a handle portion pivotally connected to the base. The base portion further includes a suction nozzle and a brush assembly for agitating the surface, wherein the brush assembly and the nozzle assembly are in a first position raised off of the surface for vacuuming the surface, and the nozzle assembly is lowered to a second position contacting the surface for collecting and picking up liquid and dirt from the surface. A method of cleaning a surface by first dry vacuuming the surface using a cleaning unit in which the nozzle assembly is raised to pick up particles and then wet vacuuming the floor with the nozzle assembly lowered to collect and pick up dirt from the floor mixed with cleaning solution distributed on the floor.
    Type: Application
    Filed: September 28, 2004
    Publication date: February 17, 2005
    Inventors: Jeffery Morgan, David Bradshaw, Douglas Gerber, Charles Lang, Adam Sclafani, Kevin Thomas, Vincent Weber, Robert Wilson, Siu Hui, Wing Ng