Patents by Inventor Yutai Guo

Yutai Guo 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).

  • Anti drip fluid dispenser
    Patent number: 8113389
    Abstract: The present invention provides a dispenser for dispensing a fluid which has an anti-drip feature. To achieve this anti-drip feature, the dispenser is provided with a suck back mechanism which is separate and independent from a pump in the dispenser. The suck back mechanism uses a resilient member capable of storing fluid.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: February 14, 2012
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Richard Paul Lewis, Malcolm C. Halls, Paul Francis Tramontina, Huoxian Xie, Yutai Guo, Charles Agnew Osborne, Jr.
  • ANTI DRIP FLUID DISPENSER
    Publication number: 20100140300
    Abstract: The present invention provides a dispenser for dispensing a fluid which has an anti-drip feature. To achieve this anti-drip feature, the dispenser is provided with a suck back mechanism which is separate and independent from a pump in the dispenser. The suck back mechanism uses a resilient member capable of storing fluid.
    Type: Application
    Filed: December 8, 2008
    Publication date: June 10, 2010
    Inventors: Richard Paul Lewis, Malcolm C. Halls, Paul Francis Tramontina, Huoxian Xie, Yutai Guo, Charles Agnew Osporne, JR.