Patents by Inventor Liedang Li

Liedang Li 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).

  • Patent number: 9688545
    Abstract: A water filter with alarm function for indicating blockage of a filter cartridge thereof and an alarm method are provided. The filter main body is provided with a filter cartridge and is arranged with a before-filtering water cavity. A filter upper cover covers the top of the filter main body. The before-filtering water cavity is accommodated with a floating-ball-type indicating apparatus, which comprises a floating ball, a connecting rod and a color scale. The connecting rod is mounted rotatably on an inner surface of the filter upper cover with the aid of a hinge support. The floating ball is arranged at the front end of the connecting rod. The color scale is also arranged on the connecting rod. A transparent visual cover that matches with the color scale is arranged on the upper surface of the filter upper cover.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: June 27, 2017
    Assignee: SHENZHEN XINGRISHENG INDUSTRIAL CO., LTD.
    Inventor: Liedang Li
  • Publication number: 20150376027
    Abstract: A water filter with alarm function for indicating blockage of a filter cartridge thereof and an alarm method are provided. The filter main body is provided with a filter cartridge and is arranged with a before-filtering water cavity. A filter upper cover covers the top of the filter main body. The before-filtering water cavity is accommodated with a floating-ball-type indicating apparatus, which comprises a floating ball, a connecting rod and a color scale. The connecting rod is mounted rotatably on an inner surface of the filter upper cover with the aid of a hinge support. The floating ball is arranged at the front end of the connecting rod. The color scale is also arranged on the connecting rod. A transparent visual cover that matches with the color scale is arranged on the upper surface of the filter upper cover.
    Type: Application
    Filed: September 26, 2013
    Publication date: December 31, 2015
    Inventor: Liedang LI
  • Patent number: 9155285
    Abstract: A portable water feeder for pets comprises a water storage bottle, a water tray for pets, a bottle stopper and curved sliding surface set on the inner bottom side of the water tray; the bottle stopper has a radial water outlet; when the water storage bottle is in the closing state, the head of the bottle stopper presses against the root of the curved sliding surface, so that water cannot leak from the water storage bottle; when the water storage bottle is rotated to be in use and squeezed, the bottle stopper moves a distance towards the outside of the bottle mouth, so that the water flow path between the water storage bottle and the water tray is clear and water flows from the water storage bottle into the water tray for pets to drink. The water feeder is watertight and simple in structure.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: October 13, 2015
    Assignee: Shenzhen Xingrisheng Industrial Co., Ltd.
    Inventor: Liedang Li
  • Publication number: 20140209032
    Abstract: A portable water feeder for pets comprises a water storage bottle, a water tray for pets, a bottle stopper and curved sliding surface set on the inner bottom side of the water tray; the bottle stopper has a radial water outlet; when the water storage bottle is in the closing state, the head of the bottle stopper presses against the root of the curved sliding surface, so that water cannot leak from the water storage bottle; when the water storage bottle is rotated to be in use and squeezed, the bottle stopper moves a distance towards the outside of the bottle mouth, so that the water flow path between the water storage bottle and the water tray is clear and water flows from the water storage bottle into the water tray for pets to drink. The water feeder is watertight and simple in structure.
    Type: Application
    Filed: September 8, 2011
    Publication date: July 31, 2014
    Inventor: Liedang Li
  • Patent number: D686694
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: July 23, 2013
    Assignee: Shenzhen Xingrisheng Industrial Co., Ltd.
    Inventor: Liedang Li
  • Patent number: D705501
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: May 20, 2014
    Assignee: Shenzhen Xingrisheng Industrial Co., Ltd.
    Inventor: Liedang Li
  • Patent number: D789618
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: June 13, 2017
    Assignee: SHENZHEN XINGRISHENG INDUSTRIAL CO., LTD.
    Inventor: Liedang Li