Patents by Inventor Frank T. H. Huang

Frank T. 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).

  • Patent number: 6026979
    Abstract: A press type thermos bottle comprises a bottle body with an internal liquid tank, a lower cover collared onto the upper end of the bottle body having a water pipe inset in the liquid tank and a through hole at its front end for one end of the water pipe to project out, and an upper cover having its rear end screw-jointed with the rear end of the lower cover and its front end snap-retainable to the front end of the lower cover. A valve disposed in the upper cover is pivot-jointed to a press mechanism via a connecting rod, wherein the lower end of the valve is inset in an air supply mechanism that is used to force water to flow out from the tank through the water pipe when the press mechanism is pressed.
    Type: Grant
    Filed: January 19, 1999
    Date of Patent: February 22, 2000
    Inventor: Frank T. H. Huang
  • Patent number: 5615808
    Abstract: A teapot which includes a valve installed in the pot cover and retained by a spring to close the water passage and air passage of the pot cover, and a valve control switch mounted in the pot cover and driven to close/open valve, wherein the valve control switch includes a lever having a fixed end pivoted to the pot cover and a free end extending out of the pot cover for operation by hand, and a link having a fixed end pivoted to the pot cover, a middle part disposed in contact with the lever, and a free end supported on the valve stem of the valve and driven by the lever to move the valve to the open position and to simultaneously compress the spring.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: April 1, 1997
    Inventor: Frank T.-H. Huang
  • Patent number: D450541
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: November 20, 2001
    Inventor: Frank T. H. Huang
  • Patent number: D337020
    Type: Grant
    Filed: February 11, 1991
    Date of Patent: July 6, 1993
    Inventor: Frank T. H. Huang
  • Patent number: D337235
    Type: Grant
    Filed: August 23, 1991
    Date of Patent: July 13, 1993
    Inventor: Frank T. H. Huang
  • Patent number: D365721
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: January 2, 1996
    Inventor: Frank T. H. Huang
  • Patent number: D370590
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: June 11, 1996
    Inventor: Frank T.-H. Huang
  • Patent number: D409051
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: May 4, 1999
    Inventor: Frank T. H. Huang
  • Patent number: D410821
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: June 8, 1999
    Inventor: Frank T. H. Huang
  • Patent number: D418715
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: January 11, 2000
    Inventor: Frank T. H. Huang
  • Patent number: D426740
    Type: Grant
    Filed: January 6, 1999
    Date of Patent: June 20, 2000
    Inventor: Frank T. H. Huang