Patents by Inventor Frank Hsieh

Frank Hsieh 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).

  • Motor rotor and outer shell mounting structure for ceiling fan
    Patent number: 6400051
    Abstract: A motor rotor and outer shell mounting structure for ceiling fan in which the outer shell has inner mounting blocks and outer recessed portions and through holes through the mounting blocks and the recessed portions, and the rotor has flanged top mounting posts and flanged bottom mounting posts respectively positioned on the mounting blocks and fixedly secured thereto by screws.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: June 4, 2002
    Inventor: Frank Hsieh
  • Light control with overload/short-circuit protection circuit means
    Patent number: 6304037
    Abstract: A light control installed in a ceiling fan and lamp assembly and adapted to control the light intensity of lamp means of the ceiling fan and lamp assembly, the light control having an overload/short circuit protection circuit formed of an amplifier and a comparator and adapted to automatically cut off power supply from the ceiling fan and lamp assembly upon an overload or short-circuit.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: October 16, 2001
    Inventor: Frank Hsieh
  • Maze toy having changeable tracks
    Patent number: 6139015
    Abstract: A maze toy is formed of a base, a movable element, and a housing. The base is of a three-dimensional construction and is formed of a plurality of two-dimensional planes such that at least two adjoining planes of the periphery of the base form jointly a layout area which is provided with a plurality of separation portions forming a three-dimensional and intricate track in which the movable element travels. The housing is used to seal off the layout area. The base is formed of at least two pivoted subbases and a rotating mechanism for turning the two subbases so as to enable the maze toy to have a plurality of changeable tracks.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: October 31, 2000
    Inventor: Frank Hsieh
  • Blade holder for a ceiling fan
    Patent number: D445891
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: July 31, 2001
    Inventor: Frank Hsieh
  • Blade holder for a ceiling fan
    Patent number: D445892
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: July 31, 2001
    Inventor: Frank Hsieh
  • Bottom housing for ceiling fan
    Patent number: D450114
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: November 6, 2001
    Inventor: Frank Hsieh
  • Ceiling fan
    Patent number: D450831
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: November 20, 2001
    Inventor: Frank Hsieh
  • Bottom housing for a ceiling fan
    Patent number: D451188
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: November 27, 2001
    Inventor: Frank Hsieh
  • Ceiling fan
    Patent number: D451993
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: December 11, 2001
    Inventor: Frank Hsieh
  • Blade holder for ceiling fan
    Patent number: D456891
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: May 7, 2002
    Inventor: Frank Hsieh
  • Blade holder for a ceiling fan
    Patent number: D456892
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: May 7, 2002
    Inventor: Frank Hsieh
  • Blade holder for a ceiling fan
    Patent number: D456893
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: May 7, 2002
    Inventor: Frank Hsieh
  • Combined motor housing, blade irons and light fixture unit for a ceiling fan
    Patent number: D457619
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: May 21, 2002
    Inventor: Frank Hsieh
  • Light kit of a ceiling fan
    Patent number: D459466
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: June 25, 2002
    Inventor: Frank Hsieh
  • Ceiling fan housing
    Patent number: D476075
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: June 17, 2003
    Inventor: Frank Hsieh
  • Ceiling fan
    Patent number: D477068
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: July 8, 2003
    Inventor: Frank Hsieh
  • Ceiling fan blade
    Patent number: D477073
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: July 8, 2003
    Inventor: Frank Hsieh
  • Ceiling fan switch housing
    Patent number: D479594
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: September 9, 2003
    Inventor: Frank Hsieh
  • Light kit arm for a ceiling fan
    Patent number: D480471
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: October 7, 2003
    Inventor: Frank Hsieh
  • Combined ceiling fan light fixture and support arms unit
    Patent number: D480472
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: October 7, 2003
    Inventor: Frank Hsieh