Patents by Inventor Hak Kee Chu

Hak Kee Chu 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: 10777946
    Abstract: A temperature control power cord, a power cord with power-off indication, and a power cord connected with a load power source, comprising a shell, a power output cord, a null wire pin that is arranged on one side of the shell, and is electrically connected with the power output cord, a live wire pin and a ground wire pin, wherein a temperature control switch is connected to the live wire pin in series; the present invention can monitor the temperature in the power plug; when the temperature in the plug is exorbitant, the electric connection between the power cord and the power-consuming equipment can be cut-off, thereby preventing the power cord from overheating, and warning the user that the power cord is in an off state.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: September 15, 2020
    Inventor: Hak Kee Chu
  • Publication number: 20200044397
    Abstract: A temperature control power cord, a power cord with power-off indication, and a power cord connected with a load power source, comprising a shell, a power output cord, a null wire pin that is arranged on one side of the shell, and is electrically connected with the power output cord, a live wire pin and a ground wire pin, wherein a temperature control switch is connected to the live wire pin in series; the present invention can monitor the temperature in the power plug; when the temperature in the plug is exorbitant, the electric connection between the power cord and the power-consuming equipment can be cut-off, thereby preventing the power cord from overheating, and warning the user that the power cord is in an off state.
    Type: Application
    Filed: January 18, 2019
    Publication date: February 6, 2020
    Inventor: Hak Kee Chu
  • Publication number: 20160084524
    Abstract: A convection wall heater with a power cord, including a heater body. The heater body comprises a heating unit, an electrical control unit and an operating control unit. The heater body further comprises air inlet holes and air outlet holes and an air convection chamber within the body. It is characterized that the heater body is provided with a power cord and a plug; the first end of the power cord is connected to the electrical control unit or the heating unit; the power cord extends to the outside of the heater body and the second end of the power cord is connected to the plug. The heater is mobile and can be used indoor with any power outlet by hanging it on the wall.
    Type: Application
    Filed: September 22, 2014
    Publication date: March 24, 2016
    Inventor: HAK KEE CHU
  • Publication number: 20140355967
    Abstract: A convection wall heater with a power cord, including a heater body. The heater body comprises unit, an electrical control unit and an operating control unit. The heater body further comprises inlet holes and air outlet holes and an air convection chamber within the body. It is characterized that the heater body is provided with a power cord plug; the first end of the power cord is connected to the electrical control unit heating unit; the power cord extends to the outside of the heater body and the second end of the power cord is connected to the plug. The heater is mobile and can be used indoor with any power outlet by hanging it on the wall.
    Type: Application
    Filed: May 29, 2013
    Publication date: December 4, 2014
    Inventor: HAK KEE CHU
  • Publication number: 20140044423
    Abstract: A modular electric wall heater comprises an upper main box components, a lower main box component, a left side panel component, a right side panel component, a flame simulator component, a fake ash component, a front panel component, and a rear panel component; the left side panel component and the right side panel component connect with the upper main box component and the lower main box component to form an enclosure; the flame simulator component situates inside of the enclosure and is connected with the left side and right side panel component; the ashes component situates inside of the enclosure, and on the top of the and connect to a bottom panel of the lower main box component, the frontal panel component is situate on the frontal opening of the enclosure and the rear panel component is situate on the rear opening of the enclosure.
    Type: Application
    Filed: August 9, 2012
    Publication date: February 13, 2014
    Inventor: Hak Kee Chu
  • Patent number: 7350692
    Abstract: The interior of a mailbox is illuminated with a highly efficient LED lamp powered by a rechargeable battery. The LED lamp is turned on when the mailbox door is opened. A solar panel is mounted under a light-transmitting cover located on the roof of the mailbox for recharging the battery. The illumination system is for the most part composed of a pair of compact modular assemblies which are carried by the mailbox.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: April 1, 2008
    Inventors: Glenn Bushee, Glenn M. Opendo, Hak Kee Chu
  • Patent number: 6793377
    Abstract: A lampshade with reducible package volume according to the present invention relates to the improvement in the support structure of the lampshade, including a lampshade enclosure with a supporting ring arranged on the upper and lower sides thereof, on said supporting ring at one side is fixed a first mounting frame, at least two ends of said supporting ring at one side is provided with a curved part turning toward the interior of the lampshade, and at least a supporting pole having at least a curled edge part clipped in between the curved part of said mounting frame and the enclosure, and at least a supporting arm part with its end fixed on the supporting ring at the other side. The lampshade according to the present invention is easy to assemble and simple in structure, and has a fixed lampshade structure after its assembling. The outlook of the lampshade can be changed according to the shapes of the supporting ring, and is therefore rich in style.
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: September 21, 2004
    Inventor: Hak Kee Chu
  • Publication number: 20030107896
    Abstract: A lampshade with reducible package volume according to the present invention relates to the improvement in the support structure of the lampshade, including a lampshade enclosure with a supporting ring arranged on the upper and lower sides thereof, on said supporting ring at one side is fixed a first mounting frame, at least two ends of said supporting ring at one side is provided with a curved part turning toward the interior of the lampshade, and at least a supporting pole having at least a curled edge part clipped in between the curved part of said mounting frame and the enclosure, and at least a supporting arm part with its end fixed on the supporting ring at the other side. The lampshade according to the present invention is easy to assemble and simple in structure, and has a fixed lampshade structure after its assembling. The outlook of the lampshade can be changed according to the shapes of the supporting ring, and is therefore rich in style.
    Type: Application
    Filed: September 13, 2002
    Publication date: June 12, 2003
    Inventor: Hak Kee Chu
  • Patent number: D809638
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: February 6, 2018
    Inventor: Hak Kee Chu