Patents by Inventor Se Kit Yuen

Se Kit Yuen 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).

  • Electro-optical water sterilizer
    Publication number: 20050016907
    Abstract: The present invention relates to a water purifier and more particularly, it relates to an electro-optical water purifier which employs ultraviolet light with the wavelength of 253.7 nanometers and provides a spiral circulation for influent water to achieve disinfection of drinking water wherein said circuitry having an ability to adapt power source of alternate current (AC). A quartz bushing prevents fault electricity discharge from said UV tube, which is interchargablely connected with power source, therefore assure user's safety and ensure UV's complete emission.
    Type: Application
    Filed: July 13, 2004
    Publication date: January 27, 2005
    Inventor: Se Kit Yuen
  • Vehicular photoelectron air purifier
    Publication number: 20040247497
    Abstract: This invention relates to a vehicular photoelectron air purifier, and its body is a square-columnar structure and in which comprises: extractor fan, transformer, circuit board, and polarization end ultraviolet ray radiation tube. The said body is equipped with one air inlet and one air outlet; the air outlet locates at the front of the body and an air exhaust frame trellis device is provided on the plane of the front end surface of the body; the air inlet locates at the rear of the body and an air intake frame trellis device is provided at the rear end of the body; the intake frame trellis device provides an air inlet that is used for fixing dustproof frame, dustproof net and dustproof cover; the extractor fan is kept close to the inner surface of the air exhaust frame trellis device; there is an air collector between the air inlet and the extractor fan; the polarization end ultraviolet ray radiation tube lies in the center of the air collector.
    Type: Application
    Filed: June 7, 2004
    Publication date: December 9, 2004
    Inventor: Se Kit Yuen
  • Electrical pencil sharpener with digital clock
    Patent number: D500798
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: January 11, 2005
    Inventor: Se Kit Yuen
  • Rechargeable halogen lantern
    Patent number: D501268
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: January 25, 2005
    Inventor: Se Kit Yuen
  • Mini size solid state refrigerator
    Patent number: D502471
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: March 1, 2005
    Assignee: John Manufacturing Limited
    Inventor: John Se Kit Yuen
  • Vacuum cleaner with integral air compressor, spotlight and flashing light
    Patent number: D505759
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: May 31, 2005
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Flower shape soft glow night light
    Patent number: D507360
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: July 12, 2005
    Assignee: John Manufacturing Limited
    Inventor: John Se Kit Yuen
  • Searchlight with battery pack
    Patent number: D512169
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: November 29, 2005
    Inventor: Se Kit Yuen
  • Emergency long-life LED light
    Patent number: D512524
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: December 6, 2005
    Inventor: Se Kit Yuen
  • Rechargeable halogen searchlight with fluorescent area light
    Patent number: D513539
    Type: Grant
    Filed: November 1, 2004
    Date of Patent: January 10, 2006
    Inventor: Se Kit Yuen
  • Rechargeable halogen search light
    Patent number: D514723
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: February 7, 2006
    Inventor: Se Kit Yuen
  • Stormer hi-tech super halogen spotlight
    Patent number: D514724
    Type: Grant
    Filed: November 26, 2004
    Date of Patent: February 7, 2006
    Inventor: Se Kit Yuen
  • Combined travel cooler and warmer with AM/FM radio
    Patent number: D515361
    Type: Grant
    Filed: December 31, 2004
    Date of Patent: February 21, 2006
    Inventor: Se Kit Yuen
  • Rechargeable halogen search light with AM/FM radio
    Patent number: D518908
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: April 11, 2006
    Inventor: Se Kit Yuen
  • Multi function emergency ready light
    Patent number: D519233
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: April 18, 2006
    Inventor: Se Kit Yuen
  • Fluorescent work light
    Patent number: D519659
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: April 25, 2006
    Inventor: Se Kit Yuen
  • Portable rechargeable searchlight
    Patent number: D520165
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: May 2, 2006
    Inventor: Se Kit Yuen
  • Dynamo radio light
    Patent number: D520658
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: May 9, 2006
    Inventor: Se Kit Yuen
  • Rechargeable emergency light with radio
    Patent number: D520659
    Type: Grant
    Filed: March 9, 2005
    Date of Patent: May 9, 2006
    Inventor: Se Kit Yuen
  • Hand crank and mains rechargeable LED flashlight
    Patent number: D520660
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: May 9, 2006
    Inventor: Se Kit Yuen