Patents by Inventor Smith Yang

Smith Yang 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).

  • Dosing unit for a powder dispenser
    Patent number: 8915406
    Abstract: The invention concerns a dosing unit for a powder dispenser comprising two dosing chambers (2,3) each chamber comprising: one upstream inlet (21, 31) and one downstream outlet (22, 32), an upstream means (23, 33) for opening and closing the inlet, a downstream means (24, 34) for opening and closing the outlet, the upstream means (23, 33) closing the inlet (21, 31) when the downstream means (24, 34) opens the outlet (22, 32) and reciprocally, wherein the upstream means (23) of the first chamber closes the first chamber (2) when the upstream means (33) of the second chamber opens the second chamber (3) and reciprocally.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: December 23, 2014
    Assignee: Nestec S.A.
    Inventors: Ruguo Hu, Rong Chen, Smith Yang
  • DOSING UNIT FOR A POWDER DISPENSER
    Publication number: 20130092711
    Abstract: The invention concerns a dosing unit for a powder dispenser comprising two dosing chambers (2,3) each chamber comprising: one upstream inlet (21, 31) and one downstream outlet (22, 32), an upstream means (23, 33) for opening and closing the inlet, a downstream means (24, 34) for opening and closing the outlet, the upstream means (23, 33) closing the inlet (21, 31) when the downstream means (24, 34) opens the outlet (22, 32) and reciprocally, wherein the upstream means (23) of the first chamber closes the first chamber (2) when the upstream means (33) of the second chamber opens the second chamber (3) and reciprocally.
    Type: Application
    Filed: June 6, 2011
    Publication date: April 18, 2013
    Applicant: NESTEC S.A.
    Inventors: Ruguo Hu, Rong Chen, Smith Yang