Patents by Inventor Cheh Tai

Cheh Tai 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).

  • Safe injection device
    Publication number: 20070043321
    Abstract: The present invention discloses a safe injector. The safe injector comprises a sleeve, a needle, and push rod, wherein the needle can be hided in the sleeve. The needle can be pushed out of the sleeve for use and be hided in the sleeve again after finishing the use.
    Type: Application
    Filed: December 20, 2005
    Publication date: February 22, 2007
    Inventor: Cheh Tai
  • Safe injection device
    Publication number: 20060184114
    Abstract: The present invention discloses a safe injector. The safe injector comprises a sleeve, a needle, and push rod, wherein the needle can be hided in the sleeve. The needle can be pushed out of the sleeve for use and be hided in the sleeve again after finishing the use.
    Type: Application
    Filed: October 6, 2005
    Publication date: August 17, 2006
    Inventor: Cheh Tai
  • Syringe with separate cavities
    Publication number: 20060084909
    Abstract: The present invention discloses a syringe with separate cavities. It comprises an empty body and a plunger assembly. The plunger assembly can be plug-in the empty body. Two separate cavities, a first cavity and a second cavity, are roomed at specified positions inside the empty body. And a drain is used to connect these two separate cavities. The plunger assembly comprises a straight elongated stem, a piston head, and at least two fastening elements.
    Type: Application
    Filed: July 12, 2004
    Publication date: April 20, 2006
    Applicant: Chung Yuan Christian University
    Inventor: Cheh Tai