Patents by Inventor Lim Wan Piang

Lim Wan Piang 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).

  • Dirt collection bin for a vacuum cleaner
    Patent number: D589219
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: March 24, 2009
    Assignee: Dyson Limited
    Inventors: Alexander Stuart Knox, Lim Wan Piang, Blair Hugh Hutton, Ross Pascoe
  • Vacuum cleaner
    Patent number: D594162
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: June 9, 2009
    Assignee: Dyson Limited
    Inventors: Alexander Stuart Knox, Ross Pascoe, Nicholas George Byatt, Lim Wan Piang, Blair Hugh Hutton