Patents by Inventor Junbin CHANG

Junbin CHANG 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-pollutant separation device, water-pollutant separation and filtration device, ornamental fish tank water-pollutant separation and filtration system, and high density cultivation water-pollutant separation, filtration and oxygen aeration system
    Patent number: 9750232
    Abstract: The present invention, relating to a water-pollutant separation device, on which a water-pollutant separation and filtration device, an ornamental fish tank water-pollutant separation and filtration system, and a high density cultivation water-pollutant separation, filtration and oxygen aeration system are based on, comprises a tank, a water inlet pipe and a water outlet pipe respectively communicated with the top of the separation tank, and a pollutant discharge pipe disposed at the bottom of the tank; the inner cavity of the tank is provided with a separation structure which is in an inverted barrel shape, having an upper closing cover and slightly smaller external dimensions than that of the tank which provides a gap between the separation structure and the bottom of the tank; a spoiler is installed onto the water inlet pipe after the water inlet pipe passes through the upper closing cover of the separation structure in the tank; the spoiler is sealed at the lower end, and is provided with a plurality of o
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: September 5, 2017
    Inventor: Junbin Chang
  • WATER-POLLUTANT SEPARATION DEVICE, WATER-POLLUTANT SEPARATION AND FILTRATION DEVICE, ORNAMENTAL FISH TANK WATER-POLLUTANT SEPARATION AND FILTRATION SYSTEM, AND HIGH DENSITY CULTIVATION WATER-POLLUTANT SEPARATION, FILTRATION AND OXYGEN AERATION SYSTEM
    Publication number: 20150257371
    Abstract: The present invention, relating to a water-pollutant separation device, on which a water-pollutant separation and filtration device, an ornamental fish tank water-pollutant separation and filtration system, and a high density cultivation water-pollutant separation, filtration and oxygen aeration system are based on, comprises a tank, a water inlet pipe and a water outlet pipe respectively communicated with the top of the separation tank, and a pollutant discharge pipe disposed at the bottom of the tank; the inner cavity of the tank is provided with a separation structure which is in an inverted barrel shape, having an upper closing cover and slightly smaller external dimensions than that of the tank which provides a gap between the separation structure and the bottom of the tank; a spoiler is installed onto the water inlet pipe after the water inlet pipe passes through the upper closing cover of the separation structure in the tank; the spoiler is sealed at the lower end, and is provided with a plurality of o
    Type: Application
    Filed: December 27, 2012
    Publication date: September 17, 2015
    Inventor: Junbin CHANG