Patents by Inventor Chien Shiong Lu

Chien Shiong Lu 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).

  • Patent number: 3978885
    Abstract: A flow control apparatus which has an external conduit for conducting fluid from a region having a pressure therein higher than the pressure immediately beneath a valve plug into an internal cavity disposed within the valve plug is provided with an unbalance actuator for isolating the cavity from the region when, for any reason, the pressure within the cavity exceeds the pressure within the region.
    Type: Grant
    Filed: March 28, 1975
    Date of Patent: September 7, 1976
    Assignee: Westinghouse Electric Corporation
    Inventor: Chien Shiong Lu