Patents by Inventor Kwok Fung Pang

Kwok Fung Pang 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).

  • Portable floor sweeper
    Patent number: 8925133
    Abstract: A floor sweeper that picks up large particles without compromising the ability to collect dust. First and second rotary brush parts received in respective concavities in a base of the sweeper, have mouths disposed at different heights.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: January 6, 2015
    Assignee: Kwonnie Electrical Products Limited
    Inventors: Wai Cheong Lee, Raymon Wai Man Wong, Kwok Fung Pang
  • PORTABLE FLOOR SWEEPER
    Publication number: 20120233792
    Abstract: A floor sweeper that picks up large particles without compromising the ability to collect dust. First and second rotary brush parts received in respective concavities in a base of the sweeper, have mouths disposed at different heights.
    Type: Application
    Filed: December 3, 2010
    Publication date: September 20, 2012
    Applicant: KWONNIE ELECTRICAL PRODUCTS LIMITED
    Inventors: Wai Cheong Lee, Raymon Wai Man Wong, Kwok Fung Pang
  • Floor cleaning apparatus with elongate handle and handle extension
    Patent number: 7496984
    Abstract: A floor sweeping apparatus comprises a cleaning head with an elongate handle fixed at an inner end by a pivoting joint to the cleaning head, and at an outer end by a hinge to an elongate handle extension. A locking mechanism allows the handle extension to be locked in different angular positions relative to the handle and can be remotely controlled from the handle extension.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: March 3, 2009
    Assignee: Kwonnie Electrical Products Limited
    Inventor: Kwok Fung Pang
  • FLOOR CLEANING APPARATUS WITH ELONGATE HANDLE AND HANDLE EXTENSION
    Publication number: 20080155774
    Abstract: A floor sweeping apparatus comprises a cleaning head with an elongate handle fixed at an inner end by a pivoting joint to the cleaning head, and at an outer end by a hinge to an elongate handle extension. A locking mechanism allows the handle extension to be locked in different angular positions relative to the handle and can be remotely controlled from the handle extension.
    Type: Application
    Filed: June 4, 2007
    Publication date: July 3, 2008
    Applicant: KWONNIE ELECTRICAL PRODUCTS LIMITED
    Inventor: Kwok Fung Pang