Patents by Inventor Rachel E. CHAO

Rachel E. CHAO 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).

  • Windowed intake valve stem
    Patent number: 9957855
    Abstract: An intake valve for an internal combustion engine is provided. The intake valve includes a valve stem with a hole in the valve stem forming an air channel there through that allows intake air to flow from an intake passage, through the air channel, into a cylinder of the internal combustion engine.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: May 1, 2018
    Assignee: DENSO International America, Inc.
    Inventors: Steve D. Tripp, Rachel E. Chao
  • Windowed Intake Valve Stem
    Publication number: 20170342873
    Abstract: An intake valve for an internal combustion engine is provided. The intake valve includes a valve stem with a hole in the valve stem forming an air channel there through that allows intake air to flow from an intake passage, through the air channel, into a cylinder of the internal combustion engine.
    Type: Application
    Filed: May 26, 2016
    Publication date: November 30, 2017
    Inventors: Steve D. TRIPP, Rachel E. CHAO