Patents Assigned to Dong Woo Tech Co., Ltd.
  • Ozonized water generating apparatus
    Patent number: 6357727
    Abstract: An ozonized water generating apparatus capable of changing the passage of a solenoid valve controlling water inflow to have a configuration where the water supplied to the solenoid valve can be accelerated, whereby the passage for mixing and controlling the water and ozone is configured in a simple manner and thereby, the number of component parts is reduced, such that the ozonized water generating apparatus can ensure the improved results in the product package, the production cost, the operation efficiency and the like.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: March 19, 2002
    Assignee: Dong Woo Tech Co., Ltd.
    Inventor: Soo Hwan Cho
  • Ozone generator for an automobile
    Patent number: D426627
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: June 13, 2000
    Assignee: Dong Woo Tech Co., Ltd.
    Inventor: Soo Hwan Cho