Patents by Inventor Shuen-Shin Hwang

Shuen-Shin Hwang 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).

  • Water-saving device for a faucet
    Patent number: 7011293
    Abstract: A water-saving device for a faucet includes a hose and a control assembly connected to the hose and adapted to be located upstream of the faucet. The control assembly includes a housing, a plunger, an operation unit connected to an end portion of the plunger, and a biasing unit disposed in the housing. The housing has inlet and outlet ports, a passage in fluid communication with the inlet and outlet ports, and a valve seat disposed in the passage. The plunger has a valve portion to be seated on the valve seat. The biasing unit moves the valve portion to a closing position in which the valve portion is seated against the valve seat, and the operation unit moves the valve portion to an open position in which the valve portion is moved away from the valve seat.
    Type: Grant
    Filed: April 23, 2004
    Date of Patent: March 14, 2006
    Inventors: Hsin-Feng Chien, Shuen-Shin Hwang
  • Water-saving device for a faucet
    Publication number: 20050236600
    Abstract: A water-saving device for a faucet includes a hose and a control assembly connected to the hose and adapted to be located upstream of the faucet. The control assembly includes a housing, a plunger, an operation unit connected to an end portion of the plunger, and a biasing unit disposed in the housing. The housing has inlet and outlet ports, a passage in fluid communication with the inlet and outlet ports, and a valve seat disposed in the passage. The plunger has a valve portion to be seated on the valve seat. The biasing unit moves the valve portion to a closing position in which the valve portion is seated against the valve seat, and the operation unit moves the valve portion to an open position in which the valve portion is moved away from the valve seat.
    Type: Application
    Filed: April 23, 2004
    Publication date: October 27, 2005
    Inventors: Hsin-Feng Chien, Shuen-Shin Hwang