Patents by Inventor Ming H. Huang

Ming H. Huang 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 structure improvement of a bulb socket
    Patent number: 5586904
    Abstract: A safely operable bulb socket structure is provided wherein a positive conductor plate is securely retained in a support assembly within the socket. The positive conductor plate is configured and retained within the socket in such manner that it forms a secure, resiliently biased contact with an electric conduction terminal of a bulb received in the socket. The resulting structure insures safe yet efficient illumination of the bulb.
    Type: Grant
    Filed: March 17, 1995
    Date of Patent: December 24, 1996
    Inventor: Ming H. Huang
  • Secure lamp base
    Patent number: 5380215
    Abstract: A secure lamp base includes an improved base which is provided with a slot having a bottom channel, and a groove is formed on the projection of the base. A pair of conductive slices have their inner ends to be a hook having two sideways tips, the hook of a conductive slice is inserted into the channel and the other is engaged with the groove, that provides a firmly engagement between the conductive slices and the base and promises a well electrical connection when the base receives a lamp from its opened side.
    Type: Grant
    Filed: January 5, 1994
    Date of Patent: January 10, 1995
    Inventor: Ming H. Huang