Patents by Inventor Chunnong Wang

Chunnong Wang 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).

  • FUNCTIONALLY GRADIENT ELASTOMER MATERIAL FOR DOWNHOLE SEALING ELEMENT
    Publication number: 20140060815
    Abstract: A sealing device of enhanced configuration for use in downhole in a well. The device may include an element of elastomeric and unitary construction. At the same time, however, the element may include a substantially cured outer shell disposed about a substantially under-cured inner core. Thus, enhanced robustness and durability may be provided to the device in light of downhole conditions without sacrifice to sealable function of the device.
    Type: Application
    Filed: September 4, 2013
    Publication date: March 6, 2014
    Applicant: Schlumberger Technology Corporation
    Inventors: Chunnong Wang, David Mills, Kuo-Chiang Chen