Patents by Inventor Jiang-yong GU

Jiang-yong GU 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).

  • Publication number: 20220412336
    Abstract: There is provided a wobble plate piston water pump including: a pump body defining a plurality of channels; a rotatable wobble plate disposed in the pump body; a plurality of pistons each located in a respective one of the plurality of channels, the pistons being reciprocatable within the channel along a piston axis; a water passage defined by a water inlet and a water outlet; and a plurality of inlet check valves, each associated with one of the channels, and positioned between the water inlet and the associated channel, the inlet check valves reciprocate along an axis parallel to the piston axis to transition between closed states and open states.
    Type: Application
    Filed: August 19, 2022
    Publication date: December 29, 2022
    Inventors: James HOU, Jiang-yong GU, Ming LIU, Man Chung Kenneth LAM
  • Publication number: 20220364557
    Abstract: There is provided a wobble plate piston water pump for use in a pressure washer and driven by a driving source, the water pump includes a pump body, a wobble plate, four or more pistons and a water passage defined by a water inlet and a water outlet. The driving source being electric powered and having a power consumption of less than or equal to a 15 ampere draw at 120 volts or 220 volts or the driving source being gas powered and having an engine displacement of less than or equal to 250 cubic centimetres.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 17, 2022
    Inventors: James HOU, Jiang-yong GU, Ming LIU, Man Chung Kenneth LAM
  • Patent number: 11434890
    Abstract: There is provided a wobble plate piston water pump for use in a pressure washer and driven by a driving source, the water pump includes a pump body, a wobble plate, four or more pistons and a water passage defined by a water inlet and a water outlet. The driving source being electric powered and having a power consumption of less than or equal to a 15 ampere draw at 120 volts or 220 volts or the driving source being gas powered and having an engine displacement of less than or equal to 250 cubic centimetres.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 6, 2022
    Inventors: James Hou, Jiang-yong Gu, Ming Liu, Man Chung Kenneth Lam
  • Publication number: 20200347836
    Abstract: There is provided a wobble plate piston water pump for use in a pressure washer and driven by a driving source, the water pump includes a pump body, a wobble plate, four or more pistons and a water passage defined by a water inlet and a water outlet. The driving source being electric powered and having a power consumption of less than or equal to a 15 ampere draw at 120 volts or 220 volts or the driving source being gas powered and having an engine displacement of less than or equal to 250 cubic centimetres.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Inventors: James HOU, Jiang-yong GU, Ming LIU, Man Chung Kenneth LAM
  • Patent number: 10753347
    Abstract: There is provided a wobble plate piston water pump for use in a pressure washer and driven by a driving source, the water pump includes a pump body, a wobble plate, four or more pistons and a water passage defined by a water inlet and a water outlet. The driving source being electric powered and having a power consumption of less than or equal to a 15 ampere draw at 120 volts or 220 volts or the driving source being gas powered and having an engine displacement of less than or equal to 250 cubic centimetres.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: August 25, 2020
    Assignee: Active Products Inc.
    Inventors: James Hou, Jiang-yong Gu, Ming Liu, Man Chung Kenneth Lam
  • Publication number: 20180313341
    Abstract: There is provided a wobble plate piston water pump for use in a pressure washer and driven by a driving source, the water pump includes a pump body, a wobble plate, four or more pistons and a water passage defined by a water inlet and a water outlet. The driving source being electric powered and having a power consumption of less than or equal to a 15 ampere draw at 120 volts or 220 volts or the driving source being gas powered and having an engine displacement of less than or equal to 250 cubic centimetres.
    Type: Application
    Filed: June 25, 2018
    Publication date: November 1, 2018
    Inventors: James HOU, Jiang-yong GU, Ming LIU, Man Chung Kenneth LAM