Patents by Inventor Keen Hsu

Keen Hsu 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: 5941631
    Abstract: A pendent lamp structure includes a lamp housing, a top cap mounted on the top of the lamp housing, a threaded rod passing through the bottom of the lamp housing, a connecting bracket secured on the top end of the threaded rod, a bulb base secured on the connecting bracket, a plurality of bulbs mounted on the bulb base, a hanging rod having a bottom end passing through the connecting racket, a fixed head secured on the top end of the hanging rod and passing through the top cap, and a hanging ring secured on the fixed head and protruding outward from the top cap.
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: August 24, 1999
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: 5928026
    Abstract: A floor lamp plug device has a cone-shaped body an annular body disposed on the cone-shaped body, a hollow disk, and a hollow cover. The hollow cover has an inner thread, an annular center flange, and a center hole. The hollow disk has a round hole two opposite protruded flanges, and each protruded flange having a channel and a slot. The annular body has a hollow interior receiving the hollow disk, an outer thread engaging with the inner thread two opposite notches matching the protruded flanges, and a recess. A branch wire set has a first wire and a second wire. The branch wire s et passes through the round hole. Each of the first wire and the second wire are inserted through the respective channel. A main wire set is inserted through the recess. Two conductive plates are inserted in the slots Each conductive plate has a tip end penetrating the branch wire set and a tooth end penetrating the main wire set.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: July 27, 1999
    Assignee: Bright Yin Huey Co., Ltd
    Inventor: Keen Hsu
  • Patent number: D410299
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: May 25, 1999
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D410562
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: June 1, 1999
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D413179
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: August 24, 1999
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D413403
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: August 31, 1999
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D413404
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: August 31, 1999
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D413405
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: August 31, 1999
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D413406
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: August 31, 1999
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D413407
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: August 31, 1999
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D414290
    Type: Grant
    Filed: July 26, 1997
    Date of Patent: September 21, 1999
    Inventor: Keen Hsu
  • Patent number: D415308
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: October 12, 1999
    Assignee: Bright Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D415851
    Type: Grant
    Filed: July 26, 1997
    Date of Patent: October 26, 1999
    Inventor: Keen Hsu
  • Patent number: D416352
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: November 9, 1999
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D418627
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: January 4, 2000
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D418629
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: January 4, 2000
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D422740
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: April 11, 2000
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D424737
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: May 9, 2000
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D426343
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: June 6, 2000
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu
  • Patent number: D428665
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: July 25, 2000
    Assignee: Bright Yin Huey Co., Ltd.
    Inventor: Keen Hsu