Patents by Inventor Chuang-Da Lee

Chuang-Da Lee 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).

  • Safety device for syringe
    Patent number: 6752783
    Abstract: A safety device for syringes includes a sleeve mounted to the barrel of the syringe and a connection member is movably received in the sleeve and two ends of the connection member are respectively and securely connected to a needle assembly and the barrel. The sleeve is slid toward the needle assembly to kick the cap off and then pulled back to expose the needle to proceed syringing. After finishing the syringing process, the sleeve is slid toward the needle assembly again to let the pawls of the connection member be securely engaged with the grooves of the sleeve and the needle is received in the sleeve.
    Type: Grant
    Filed: July 10, 2002
    Date of Patent: June 22, 2004
    Inventors: Ming-Kan Hung, Chuang-Da Lee
  • Safety device for syringe
    Publication number: 20040010234
    Abstract: A safety device for syringes includes a sleeve mounted to the barrel of the syringe and a connection member is movably received in the sleeve and two ends of the connection member are respectively and securely connected to a needle assembly and the barrel. The sleeve is slid toward the needle assembly to kick the cap off and then pulled back to expose the needle to proceed syringing. After finishing the syringing process, the sleeve is slid toward the needle assembly again to let the pawls of the connection member be securely engaged with the grooves of the sleeve and the needle is received in the sleeve.
    Type: Application
    Filed: July 10, 2002
    Publication date: January 15, 2004
    Inventors: Ming-Kan Hung, Chuang-Da Lee