Patents Assigned to Tunbow Electrical Limited
  • Steam iron
    Patent number: 7395619
    Abstract: A steam iron (10) for clothing has direct measurement of sole plate temperature by a suitable sensor (19). A control device (20) such as a programmable logic controller, holds a characteristic relating sole plate temperature to steam production, and controls opening of an electrically actuated release valve (16) for water from a tank (15) to the sole plate (13). The sensor (19) may also control electrical energy for heating the sole plate (13).
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: July 8, 2008
    Assignee: Tunbow Electrical Limited
    Inventor: Pak Man Lee
  • Steam iron
    Publication number: 20070175072
    Abstract: A steam iron (10) for clothing has direct measurement of sole plate temperature by a suitable sensor (19). A control device (20) such as a programmable logic controller, holds a characteristic relating sole plate temperature to steam production, and controls opening of an electrically actuated release valve (16) for water from a tank (15) to the sole plate (13). The sensor (19) may also control electrical energy for heating the sole plate (13).
    Type: Application
    Filed: January 27, 2006
    Publication date: August 2, 2007
    Applicant: TUNBOW ELECTRICAL LIMITED
    Inventor: Pak Lee
  • Steam iron
    Patent number: D525405
    Type: Grant
    Filed: January 2, 2004
    Date of Patent: July 18, 2006
    Assignee: Tunbow Electrical Limited
    Inventor: Albert Yat Cheong Leung
  • Steam iron
    Patent number: D527154
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: August 22, 2006
    Assignee: Tunbow Electrical Limited
    Inventor: Albert Yat Cheong Leung
  • Steam iron
    Patent number: D530871
    Type: Grant
    Filed: September 3, 2004
    Date of Patent: October 24, 2006
    Assignee: Tunbow Electrical Limited
    Inventor: Ming Tak Chu
  • Steam iron
    Patent number: D530873
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: October 24, 2006
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D531372
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: October 31, 2006
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D531773
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: November 7, 2006
    Assignee: Tunbow Electrical Limited
    Inventor: Albert Yat Cheong Leung
  • Steam iron
    Patent number: D538990
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: March 20, 2007
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D541500
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: April 24, 2007
    Assignee: Tunbow Electrical Limited
    Inventor: Albert Yat Cheong Leung
  • Steam iron
    Patent number: D550915
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: September 11, 2007
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D550916
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: September 11, 2007
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D551413
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: September 18, 2007
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D555315
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: November 13, 2007
    Assignee: Tunbow Electrical Limited
    Inventor: Kelvin Ching Ching Poon
  • Steam iron
    Patent number: D565820
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: April 1, 2008
    Assignee: Tunbow Electrical Limited
    Inventor: Kelvin Ching Ching Poon
  • Steam iron
    Patent number: D567461
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: April 22, 2008
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D568020
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: April 29, 2008
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Egg boiler
    Patent number: D569677
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: May 27, 2008
    Assignee: Tunbow Electrical Limited
    Inventor: Kelvin Ching Ching Poon
  • Travel iron
    Patent number: D595019
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: June 23, 2009
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon