Patents by Inventor Jian Yun Pi

Jian Yun Pi 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: 11930989
    Abstract: A roller assembly for a mobile cleaning system for cleaning a work surface can include a drive shaft, a sheath, a bushing, and a bushing shroud. The drive shaft can be rotatable about a drive axis, and the drive shaft can include a driven end and an opposite bushing end. The sheath can be supported by the drive shaft and the sheath can be rotatable with the drive shaft. The sheath can include a shell engageable with the work surface. The bushing can be located about the bushing end of the drive shaft. The bushing shroud can be connected to the bushing. The sheath and the drive shaft can be together rotatable with respect to the bushing and the bushing shroud, the bushing shroud can include an outer portion defining a first radius of curvature and a recessed portion connected to the outer portion.
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: March 19, 2024
    Assignee: iRobot Corporation
    Inventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun Pi, Michael G. Sack, Rubal Verma
  • Publication number: 20230301477
    Abstract: A roller assembly for a mobile cleaning system for cleaning a work surface can include a drive shaft, a sheath, a bushing, and a bushing shroud. The drive shaft can be rotatable about a drive axis, and the drive shaft can include a driven end and an opposite bushing end. The sheath can be supported by the drive shaft and the sheath can be rotatable with the drive shaft. The sheath can include a shell engageable with the work surface. The bushing can be located about the bushing end of the drive shaft. The bushing shroud can be connected to the bushing. The sheath and the drive shaft can be together rotatable with respect to the bushing and the bushing shroud, the bushing shroud can include an outer portion defining a first radius of curvature and a recessed portion connected to the outer portion.
    Type: Application
    Filed: May 30, 2023
    Publication date: September 28, 2023
    Inventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun PI, Michael G. Sack, Rubal Verma
  • Patent number: 11690491
    Abstract: A surface cleaning apparatus having a housing, a suction nozzle, a suction source, a steam port, a steam supply system, and a flexible seal. The housing having a cleaning foot and an upper housing operably coupled to the cleaning foot. The suction source being fluidly connected to the suction nozzle by a working air conduit. The steam port having an aperture provided in the cleaning foot. The steam supply system having a steam nozzle with at least a portion that projects through the steam port. The flexible seal being provided at least around the steam nozzle.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: July 4, 2023
    Assignee: BISSELL Inc.
    Inventors: Kan Yuk Yiu, Jian Yun Pi
  • Patent number: 11678780
    Abstract: A roller assembly for a mobile cleaning system for cleaning a work surface can include a drive shaft, a sheath, a bushing, and a bushing shroud. The drive shaft can be rotatable about a drive axis, and the drive shaft can include a driven end and an opposite bushing end. The sheath can be supported by the drive shaft and the sheath can be rotatable with the drive shaft. The sheath can include a shell engageable with the work surface. The bushing can be located about the bushing end of the drive shaft. The bushing shroud can be connected to the bushing. The sheath and the drive shaft can be together rotatable with respect to the bushing and the bushing shroud, the bushing shroud can include an outer portion defining a first radius of curvature and a recessed portion connected to the outer portion.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: June 20, 2023
    Assignee: iRobot Corporation
    Inventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun Pi, Michael G. Sack, Rubal Verma
  • Publication number: 20230045253
    Abstract: A vacuum cleaner includes an improved dual-action filter cleaning mechanism using both a rotational flicking action and a vertical shaking action. A debris removal assembly of the vacuum cleaner can include a filter assembly having a first filter and a second filter arranged in a nested configuration, and a filter cleaning mechanism configured to impart a combination of vertical shaking of the first filter and rotational flicking of the second filter.
    Type: Application
    Filed: October 17, 2022
    Publication date: February 9, 2023
    Inventors: Jian Yun Pi, Kan Yuk Yiu
  • Patent number: 11503970
    Abstract: A vacuum cleaner includes an improved dual-action filter cleaning mechanism using both a rotational flicking action and a vertical shaking action. A debris removal assembly of the vacuum cleaner can include a filter assembly having a first filter and a second filter arranged in a nested configuration, and a filter cleaning mechanism configured to impart a combination of vertical shaking of the first filter and rotational flicking of the second filter. The filter cleaning mechanism can include a camming mechanism configured to simultaneously move the first filter along the axis and rotate the first filter about the axis while the second filter remains stationary.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: November 22, 2022
    Assignee: BISSELL Inc.
    Inventors: Jian Yun Pi, Kan Yuk Yiu
  • Publication number: 20220313037
    Abstract: A roller assembly for a mobile cleaning system for cleaning a work surface can include a drive shaft, a sheath, a bushing, and a bushing shroud. The drive shaft can be rotatable about a drive axis, and the drive shaft can include a driven end and an opposite bushing end. The sheath can be supported by the drive shaft and the sheath can be rotatable with the drive shaft. The sheath can include a shell engageable with the work surface. The bushing can be located about the bushing end of the drive shaft. The bushing shroud can be connected to the bushing. The sheath and the drive shaft can be together rotatable with respect to the bushing and the bushing shroud, the bushing shroud can include an outer portion defining a first radius of curvature and a recessed portion connected to the outer portion.
    Type: Application
    Filed: June 22, 2022
    Publication date: October 6, 2022
    Inventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun Pi, Michael G. Sack, Rubal Verma
  • Patent number: 11375869
    Abstract: A steam mop includes a housing with a foot assembly movable along a surface to be cleaned and a handle assembly coupled to the foot assembly, a supply tank for storing a supply of fluid, a steam generator fluidly coupled with the supply tank for producing steam from the fluid, and a cutout in the housing through which a portion of the supply tank is viewable.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: July 5, 2022
    Assignee: BISSELL Inc.
    Inventors: Joseph P. Perry, Adam Luedke, Kan Yuk Yiu, Jian Yun Pi
  • Publication number: 20220202265
    Abstract: A surface cleaning apparatus having a housing, a suction nozzle, a suction source, a steam port, a steam supply system, and a flexible seal. The housing having a cleaning foot and an upper housing operably coupled to the cleaning foot. The suction source being fluidly connected to the suction nozzle by a working air conduit. The steam port having an aperture provided in the cleaning foot. The steam supply system having a steam nozzle with at least a portion that projects through the steam port. The flexible seal being provided at least around the steam nozzle.
    Type: Application
    Filed: March 17, 2022
    Publication date: June 30, 2022
    Inventors: Kan Yuk Yiu, Jian Yun Pi
  • Patent number: 11369242
    Abstract: A roller assembly for a mobile cleaning system for cleaning a work surface can include a drive shaft, a sheath, a bushing, and a bushing shroud. The drive shaft can be rotatable about a drive axis, and the drive shaft can include a driven end and an opposite bushing end. The sheath can be supported by the drive shaft and the sheath can be rotatable with the drive shaft. The sheath can include a shell engageable with the work surface. The bushing can be located about the bushing end of the drive shaft. The bushing shroud can be connected to the bushing. The sheath and the drive shaft can be together rotatable with respect to the bushing and the bushing shroud, the bushing shroud can include an outer portion defining a first radius of curvature and a recessed portion connected to the outer portion.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: June 28, 2022
    Assignee: iRobot Corporation
    Inventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun Pi, Michael G. Sack, Rubal Verma
  • Patent number: 11311166
    Abstract: A surface cleaning apparatus has a fluid distribution system for storing and delivering fluid to a surface to be cleaned, and includes a steam nozzle in fluid communication with a steam generator. A pad mounting plate is adapted to mount a cleaning pad to the apparatus, and has a steam orifice in fluid communication with the steam nozzle. A flexible seal is provided between the steam nozzle and the pad mounting plate to seals a space between the steam nozzle and the steam orifice to prevent steam leaks.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: April 26, 2022
    Assignee: BISSELL Inc.
    Inventors: Kan Yuk Yiu, Jian Yun Pi
  • Publication number: 20200352402
    Abstract: A roller assembly for a mobile cleaning system for cleaning a work surface can include a drive shaft, a sheath, a bushing, and a bushing shroud. The drive shaft can be rotatable about a drive axis, and the drive shaft can include a driven end and an opposite bushing end. The sheath can be supported by the drive shaft and the sheath can be rotatable with the drive shaft. The sheath can include a shell engageable with the work surface. The bushing can be located about the bushing end of the drive shaft. The bushing shroud can be connected to the bushing. The sheath and the drive shaft can be together rotatable with respect to the bushing and the bushing shroud, the bushing shroud can include an outer portion defining a first radius of curvature and a recessed portion connected to the outer portion.
    Type: Application
    Filed: May 11, 2020
    Publication date: November 12, 2020
    Inventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun Pi, Michael G. Sack, Rubal Verma
  • Publication number: 20200178744
    Abstract: A vacuum cleaner includes an improved dual-action filter cleaning mechanism using both a rotational flicking action and a vertical shaking action. A debris removal assembly of the vacuum cleaner can include a filter assembly having a first filter and a second filter arranged in a nested configuration, and a filter cleaning mechanism configured to impart a combination of vertical shaking of the first filter and rotational flicking of the second filter.
    Type: Application
    Filed: February 12, 2020
    Publication date: June 11, 2020
    Inventors: Jian Yun Pi, Kan Yuk Yiu
  • Patent number: 10561290
    Abstract: A vacuum cleaner includes an improved dual-action filter cleaning mechanism using both a rotational flicking action and a vertical shaking action. A debris removal assembly of the vacuum cleaner can include a filter assembly having a first filter and a second filter arranged in a nested configuration, and a filter cleaning mechanism configured to impart a combination of vertical shaking of the first filter and rotational flicking of the second filter. The filter cleaning mechanism can include a camming mechanism configured to simultaneously move the first filter along the axis and rotate the first filter about the axis while the second filter remains stationary.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: February 18, 2020
    Assignee: BISSELL Homecare, Inc.
    Inventors: Jian Yun Pi, Kan Yuk Yiu
  • Publication number: 20190298136
    Abstract: A surface cleaning apparatus has a fluid distribution system for storing and delivering fluid to a surface to be cleaned, and includes a steam nozzle in fluid communication with a steam generator. A pad mounting plate is adapted to mount a cleaning pad to the apparatus, and has a steam orifice in fluid communication with the steam nozzle. A flexible seal is provided between the steam nozzle and the pad mounting plate to seals a space between the steam nozzle and the steam orifice to prevent steam leaks.
    Type: Application
    Filed: June 17, 2019
    Publication date: October 3, 2019
    Inventors: Kan Yuk Yiu, Jian Yun Pi
  • Patent number: 10327615
    Abstract: A surface cleaning apparatus has a fluid distribution system for storing and delivering fluid to a surface to be cleaned, and includes a steam nozzle in fluid communication with a steam generator. A pad mounting plate is adapted to mount a cleaning pad to the apparatus, and has a steam orifice in fluid communication with the steam nozzle. A flexible seal is provided between the steam nozzle and the pad mounting plate to seals a space between the steam nozzle and the steam orifice to prevent steam leaks.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: June 25, 2019
    Assignee: BISSELL Homecare, Inc.
    Inventors: Gang Huang, Jian Yun Pi
  • Publication number: 20180360290
    Abstract: A steam mop includes a housing with a foot assembly movable along a surface to be cleaned and a handle assembly coupled to the foot assembly, a supply tank for storing a supply of fluid, a steam generator fluidly coupled with the supply tank for producing steam from the fluid, and a cutout in the housing through which a portion of the supply tank is viewable.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 20, 2018
    Inventors: Joseph P. Perry, Adam Luedke, Kan Yuk Yiu, Jian Yun Pi
  • Patent number: 10085610
    Abstract: A steam mop includes a housing comprising a foot assembly movable along a surface to be cleaned and a handle assembly coupled to the foot assembly, a supply tank for storing a supply of fluid, a steam generator fluidly coupled with the supply tank for producing steam from the fluid, and a light source selectively illuminating the supply tank.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: October 2, 2018
    Assignee: BISSELL Homecare, Inc.
    Inventors: Joseph P. Perry, Adam Luedke, Kan Yuk Yiu, Jian Yun Pi
  • Publication number: 20180084964
    Abstract: A vacuum cleaner includes an improved dual-action filter cleaning mechanism using both a rotational flicking action and a vertical shaking action. A debris removal assembly of the vacuum cleaner can include a filter assembly having a first filter and a second filter arranged in a nested configuration, and a filter cleaning mechanism configured to impart a combination of vertical shaking of the first filter and rotational flicking of the second filter.
    Type: Application
    Filed: September 27, 2017
    Publication date: March 29, 2018
    Inventors: Jian Yun Pi, Kan Yuk Yiu
  • Publication number: 20170360272
    Abstract: A steam mop includes a housing comprising a foot assembly movable along a surface to be cleaned and a handle assembly coupled to the foot assembly, a supply tank for storing a supply of fluid, a steam generator fluidly coupled with the supply tank for producing steam from the fluid, and a light source selectively illuminating the supply tank.
    Type: Application
    Filed: August 8, 2017
    Publication date: December 21, 2017
    Inventors: Joseph P. Perry, Adam Luedke, Kan Yuk Yiu, Jian Yun Pi