Patents by Inventor Kamfong Tam

Kamfong Tam 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).

  • Surface treating device with top load cartridge-based cleaning system
    Patent number: 7578020
    Abstract: A robotic surface treating device that can perform carpet sweeping, hard-surface dry sweeping/wiping, and hard-surface sweeping/mopping is disclosed. The robotic surface treating device includes a sweeper brush, a dust bin for collecting debris from the brush, a reel-to-reel sheet of cleaning material, and a fluid delivery system for delivering fluid from a fluid reservoir onto the sheet of cleaning material and/or onto the surface to be treated. The dust bin, reel-to-reel sheet of cleaning material, and the fluid reservoir are separately installed from the top of the device, and may be separately removed for replacement.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: August 25, 2009
    Assignee: S.C. Johnson & Son, Inc.
    Inventors: Thomas Jaworski, Jeffrey L. Harwig, Mark M. Gipp, Kathleen M. Laru, Seakee Chen, Fukyuen Cheng, Kamfong Tam
  • Surface treating device with top load cartridge-based cleaning systsem
    Publication number: 20060288519
    Abstract: A robotic surface treating device that can perform carpet sweeping, hard-surface dry sweeping/wiping, and hard-surface sweeping/mopping is disclosed. The robotic surface treating device includes a sweeper brush, a dust bin for collecting debris from the brush, a reel-to-reel sheet of cleaning material, and a fluid delivery system for delivering fluid from a fluid reservoir onto the sheet of cleaning material and/or onto the surface to be treated. The dust bin, reel-to-reel sheet of cleaning material, and the fluid reservoir are separately installed from the top of the device, and may be separately removed for replacement.
    Type: Application
    Filed: June 28, 2005
    Publication date: December 28, 2006
    Inventors: Thomas Jaworski, Jeffrey Harwig, Mark Gipp, Kathleen Laru, Seakee Chen, Fukyuen Cheng, Kamfong Tam