Patents by Inventor Li-Chih Ree

Li-Chih Ree 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: 8207466
    Abstract: The present invention relates generally to pushbutton actuators. More particularly, the invention encompasses a pushbutton 2 position twist release switch with integral LED and actuator. The invention also includes a pushbutton 3 position momentary switch with an integral LED and actuator. Another embodiment of the invention relates to a pushbutton 3 position maintained switch with an integral LED and actuator. The invention also includes various embodiments of the inventive pushbutton actuator of this invention. The inventive pushbutton also comprises a pushbutton knob that has ridges for the transmission and scattering of light for the LED in the module.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: June 26, 2012
    Assignee: Siemens Industry, Inc.
    Inventors: Neeraj Singh, Tinghao Wang, Li-Chih Ree, Xinhua Chen