Patents Assigned to Winsource Industries Limited
  • Isolation suit with two-way air supply/disinfection pump
    Patent number: 6983745
    Abstract: An isolation suit has a two-way air supply/disinfection pump attached to it. The pump has a pair of through-passages each communicating with an interior of the suit by respective airlines. There is a fan in each through-passage, one of which delivers air to the suit and the other of which extracts air from the suit. The isolation suit has an ultraviolet light in each through-passage for disinfecting air that is drawn through by the fans.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: January 10, 2006
    Assignee: Winsource Industries Limited
    Inventors: Wai Choi Tang, Wilson Sai Mo Wong
  • Rotary driving tool
    Patent number: D502854
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: March 15, 2005
    Assignee: Winsource Industries Limited
    Inventor: David Wai Wah Ng
  • Electric drill
    Patent number: D508190
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: August 9, 2005
    Assignee: Winsource Industries Limited
    Inventor: David Wai Wah Ng
  • Electric drill
    Patent number: D515381
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: February 21, 2006
    Assignee: Winsource Industries Limited
    Inventor: David Wai Wah Ng
  • Electric jigsaw
    Patent number: D519805
    Type: Grant
    Filed: August 26, 2004
    Date of Patent: May 2, 2006
    Assignee: Winsource Industries Limited
    Inventor: David Wai Wah Ng
  • Electric saw
    Patent number: D524619
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: July 11, 2006
    Assignee: Winsource Industries Limited
    Inventor: David Wai Wah Ng
  • Electric circular saw
    Patent number: D527599
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: September 5, 2006
    Assignee: Winsource Industries Limited
    Inventor: David Wai Wah Ng
  • Rotary driving tool
    Patent number: D547154
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: July 24, 2007
    Assignee: Winsource Industries Limited
    Inventor: Timothy Lee
  • Rotary driving tool
    Patent number: D547632
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: July 31, 2007
    Assignee: Winsource Industries Limited
    Inventor: Timothy Lee