Patents by Inventor Hing Chiu On

Hing Chiu On 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: 10753548
    Abstract: A flexible filament lamp includes a bulb shell, a spiral LED filament, a lamp cap connected to the bulb shell, a stem disposed in the bulb shell, and first and second leads disposed in the stem. Both of the first and second leads are electrically connected to the lamp cap. The stem has a metal sheet bracket with a fixing ring extended from both sides of the metal sheet bracket for fixing the spiral LED filament. The first lead is electrically connected to an end of the spiral LED filament. The second lead is electrically connected to the other end of the spiral LED filament after passing through the metal sheet bracket. The metal sheet bracket disposed on the stem is integrally formed with the fixing rings. The flexible filament lamp of this invention will not be bent easily, so as to facilitate the operation and production.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: August 25, 2020
    Assignee: Dongguan Keetat Lighting Ltd.
    Inventors: Hing Chiu On, Minghu Huang, Qiang Li
  • Publication number: 20190368667
    Abstract: A flexible filament lamp includes a bulb shell, a spiral LED filament, a lamp cap connected to the bulb shell, a stem disposed in the bulb shell, and first and second leads disposed in the stem. Both of the first and second leads are electrically connected to the lamp cap. The stem has a metal sheet bracket with a fixing ring extended from both sides of the metal sheet bracket for fixing the spiral LED filament. The first lead is electrically connected to an end of the spiral LED filament. The second lead is electrically connected to the other end of the spiral LED filament after passing through the metal sheet bracket. The metal sheet bracket disposed on the stem is integrally formed with the fixing rings. The flexible filament lamp of this invention will not be bent easily, so as to facilitate the operation and production.
    Type: Application
    Filed: July 17, 2018
    Publication date: December 5, 2019
    Inventors: Hing Chiu On, Minghu Huang, Qiang Li
  • Patent number: D634454
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: March 15, 2011
    Assignee: Dong Guan Kee Tat Lighting Limited
    Inventor: Hing Chiu On
  • Patent number: D953260
    Type: Grant
    Filed: November 30, 2019
    Date of Patent: May 31, 2022
    Inventor: Hing Chiu On