Patents by Inventor Stone Huang

Stone Huang 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).

  • Warm/cold double-circulation water filter system and swimming pool arrangement
    Patent number: 6640352
    Abstract: A warm/cold double-circulation water filter system and swimming pool arrangement comprises, a swimming pool, a double-circulation water filter system, a water pipe system, a heater. The present invention concentrated the valves in order to convenient management and control, to reduce valves amount and to offer a multiform elevated temperature manner.
    Type: Grant
    Filed: March 4, 2002
    Date of Patent: November 4, 2003
    Inventor: Stone Huang
  • WARM/COLD DOUBLE-CIRCULATION WATER FILTER SYSTEM AND SWIMMING POOL ARRANGEMENT
    Publication number: 20030163865
    Abstract: A warm/cold double-circulation water filter system and swimming pool arrangement comprises, a swimming pool, a double-circulation water filter system, a water pipe system, a heater. The present invention concentrated the valves in order to convenient management and control, to reduce valves amount and to offer a multiform elevated temperature manner.
    Type: Application
    Filed: March 4, 2002
    Publication date: September 4, 2003
    Inventor: Stone Huang
  • Warm/cold double-circulation water filter system and swimming pool arrangement
    Patent number: 6425999
    Abstract: A warm/cold double-circulation water filter system and swimming pool arrangement includes a swimming pool separated into two pools, each pool having a water outlet and a plurality of water inlets, a double-circulation water filter system adapted to treat water circulated through the pools of the swimming pool, the double-circulation water filter system including a first filter unit, a second filter unit, and a heater, and a water pipe system adapted to deliver water from the water outlet of each of the pools of the swimming pool to the water inlets of each of the pools of the swimming pool through the double-circulation water filter system, the water pipe system having valve means selectively controlled to let water pass from the first filter unit and second filter unit of the double-circulation water filter system to the water inlets of the pools of the swimming pool via the heater.
    Type: Grant
    Filed: January 3, 2001
    Date of Patent: July 30, 2002
    Inventor: Stone Huang
  • WARM/COLD DOUBLE-CIRCULATION WATER FILTER SYSTEM AND SWIMMING POOL ARRANGEMENT
    Publication number: 20020084213
    Abstract: A warm/cold double-circulation water filter system and swimming pool arrangement includes a swimming pool separated into two pools, each pool having a water outlet and a plurality of water inlets, a double-circulation water filter system adapted to treat water circulated through the pools of the swimming pool, the double-circulation water filter system including a first filter unit, a second filter unit, and a heater, and a water pipe system adapted to deliver water from the water outlet of each of the pools of the swimming pool to the water inlets of each of the pools of the swimming pool through the double-circulation water filter system, the water pipe system having valve means selectively controlled to let water pass from the first filter unit and second filter unit of the double-circulation water filter system to the water inlets of the pools of the swimming pool via the heater.
    Type: Application
    Filed: January 3, 2001
    Publication date: July 4, 2002
    Inventor: Stone Huang