Patents by Inventor Helen Tang

Helen Tang 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).

  • Sink organizer
    Patent number: D626363
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: November 2, 2010
    Assignee: Simplehuman LLC
    Inventors: Frank Yang, Tzu Hao Wei, Myk Lum, Helen Tang
  • Squeegee
    Patent number: D627532
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: November 16, 2010
    Assignee: Simplehuman LLC
    Inventors: Frank Yang, Tzu-Hao Wei, Di-Fong Chang, Myk Lum, Helen Tang
  • Bamboo tissue box cover
    Patent number: D631268
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: January 25, 2011
    Assignee: Simplehuman LLC
    Inventors: Frank Yang, Tzu-Hao Wei, Di-Fong Chang, Myk Lum, Helen Tang
  • Sink organizer
    Patent number: D635383
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: April 5, 2011
    Assignee: Simplehuman LLC
    Inventors: Frank Yang, Tzu-Hao Wei, Di-Fong Chang, Myk Lum, Helen Tang
  • Bamboo open trash can
    Patent number: D639006
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: May 31, 2011
    Assignee: Simplehuman LLC
    Inventors: Frank Yang, Tzu-Hao Wei, Di-Fong Chang, Myk Lum, Helen Tang
  • Combined trash can and mounting bracket
    Patent number: D727583
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: April 21, 2015
    Assignee: Simplehuman LLC
    Inventors: Frank Yang, Di-Fong Chang, Myk Lum, Adam Wade, Helen Tang