Patents Assigned to John Manufacturing Ltd.
  • Universal chargeable electro-optical illuminating lamp
    Patent number: 7267454
    Abstract: A universal chargeable electro-optical illuminating lamp includes: a housing, a lighting unit installed at the front end of the housing, a battery chamber installed in the housing, wherein at least one chargeable battery is installed in the battery chamber and connected to the lighting unit via a switching button, an movable plug installed moveably at the rear end of the housing and connected to a driving circuit device which is connected with the chargeable battery and provided in the housing, a hand grip connected moveably to the housing, wherein the movable plug is contained in the hand grip, and a manual charging device installed on the housing and connected to the chargeable battery. This invention can be used as an important lighting source, and has the advantages of environmental conservation and energy saving, and it can be charged and used under any circumstance.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: September 11, 2007
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Rechargeable swivel lantern
    Patent number: D438317
    Type: Grant
    Filed: June 20, 2000
    Date of Patent: February 27, 2001
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Halogen searchlight with power station
    Patent number: D533289
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: December 5, 2006
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Radio clock lantern
    Patent number: D473960
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: April 29, 2003
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Multi-function lantern
    Patent number: D475150
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: May 27, 2003
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Micro cold cathode fluorescent lamp, LED spotlight and personal security alarm
    Patent number: D477679
    Type: Grant
    Filed: September 24, 2002
    Date of Patent: July 22, 2003
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Vehicle cooler box
    Patent number: D480274
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: October 7, 2003
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Vehicle cooler box
    Patent number: D480275
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: October 7, 2003
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Combined cooler and warmer for food
    Patent number: D480607
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: October 14, 2003
    Assignee: John Manufacturing, Ltd.
    Inventor: Se Kit Yuen
  • Mini size solid state refrigerator
    Patent number: D481741
    Type: Grant
    Filed: September 24, 2002
    Date of Patent: November 4, 2003
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • CD tuner, spotlight and fluorescent lantern
    Patent number: D483137
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: December 2, 2003
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Fresh air ionizer
    Patent number: D487504
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: March 9, 2004
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Multi-functional TV lantern
    Patent number: D498316
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: November 9, 2004
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • LED light bulb
    Patent number: D655831
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: March 13, 2012
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Auto kit lantern
    Patent number: D428174
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: July 11, 2000
    Assignee: John Manufacturing Ltd.
    Inventor: John Se-Kit Yuen
  • Sensor night light
    Patent number: D431660
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: October 3, 2000
    Assignee: John Manufacturing Ltd.
    Inventor: John Se-Kit Yuen
  • Recharger with a rechargeable pen light
    Patent number: D432689
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: October 24, 2000
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • LED table lamp
    Patent number: D674531
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: January 15, 2013
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Directional LED worklight
    Patent number: D702865
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: April 15, 2014
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen
  • Directional LED worklight
    Patent number: D706478
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: June 3, 2014
    Assignee: John Manufacturing Ltd.
    Inventor: Se Kit Yuen