Patents by Inventor JianPing Ran

JianPing Ran 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: 11882972
    Abstract: A fluid delivery system for a surface cleaning apparatus includes a fluid container configured for storing a fluid, a fluid distributor configured for delivering the fluid to a surface to be cleaned, and a flow controller configured for controlling a flow of the fluid from the fluid container to the fluid distributor. The flow controller includes an adjustable valve and is configured for operating in a first mode of operation that supplies the fluid to the fluid distributor at a first volumetric flow rate; a second mode of operation that supplies the fluid to the fluid distributor at a second volumetric flow rate that is lower than the first volumetric flow rate; and a third mode of operation that supplies the fluid to the fluid distributor at a third volumetric flow rate that is lower than the second volumetric flow rate.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: January 30, 2024
    Assignee: BISSELL Inc.
    Inventors: YunMing Huang, JianPing Ran, JingShan Wang
  • Publication number: 20230053712
    Abstract: A fluid delivery system for a surface cleaning apparatus includes a fluid container configured for storing a fluid, a fluid distributor configured for delivering the fluid to a surface to be cleaned, and a flow controller configured for controlling a flow of the fluid from the fluid container to the fluid distributor. The flow controller includes an adjustable valve and is configured for operating in a first mode of operation that supplies the fluid to the fluid distributor at a first volumetric flow rate; a second mode of operation that supplies the fluid to the fluid distributor at a second volumetric flow rate that is lower than the first volumetric flow rate; and a third mode of operation that supplies the fluid to the fluid distributor at a third volumetric flow rate that is lower than the second volumetric flow rate.
    Type: Application
    Filed: October 31, 2022
    Publication date: February 23, 2023
    Applicant: BISSELL Inc.
    Inventors: YunMing Huang, JianPing Ran, JingShan Wang
  • Patent number: 11529037
    Abstract: A surface cleaning apparatus is provided with a fluid delivery system for delivering a cleaning fluid to the surface to be cleaned. The fluid delivery system includes one or more fluid supply tanks for storing a supply of cleaning fluid, a fluid distributor for applying the cleaning fluid to the surface to be cleaned, and a fluid supply conduit for delivering the cleaning fluid from the fluid supply tank to the fluid distributor.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: December 20, 2022
    Assignee: Bissell, Inc.
    Inventors: YunMing Huang, JianPing Ran, JingShan Wang
  • Publication number: 20200214526
    Abstract: A surface cleaning apparatus is provided with a fluid delivery system for delivering a cleaning fluid to the surface to be cleaned. The fluid delivery system includes one or more fluid supply tanks for storing a supply of cleaning fluid, a fluid distributor for applying the cleaning fluid to the surface to be cleaned, and a fluid supply conduit for delivering the cleaning fluid from the fluid supply tank to the fluid distributor.
    Type: Application
    Filed: January 2, 2020
    Publication date: July 9, 2020
    Inventors: YunMing Huang, JianPing Ran, JingShan Wang