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).
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Patent number: 11930989Abstract: 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: GrantFiled: May 30, 2023Date of Patent: March 19, 2024Assignee: iRobot CorporationInventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun Pi, Michael G. Sack, Rubal Verma
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Publication number: 20230301477Abstract: 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: ApplicationFiled: May 30, 2023Publication date: September 28, 2023Inventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun PI, Michael G. Sack, Rubal Verma
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Patent number: 11690491Abstract: 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: GrantFiled: March 17, 2022Date of Patent: July 4, 2023Assignee: BISSELL Inc.Inventors: Kan Yuk Yiu, Jian Yun Pi
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Patent number: 11678780Abstract: 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: GrantFiled: June 22, 2022Date of Patent: June 20, 2023Assignee: iRobot CorporationInventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun Pi, Michael G. Sack, Rubal Verma
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Publication number: 20230045253Abstract: 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: ApplicationFiled: October 17, 2022Publication date: February 9, 2023Inventors: Jian Yun Pi, Kan Yuk Yiu
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Patent number: 11503970Abstract: 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: GrantFiled: February 12, 2020Date of Patent: November 22, 2022Assignee: BISSELL Inc.Inventors: Jian Yun Pi, Kan Yuk Yiu
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Publication number: 20220313037Abstract: 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: ApplicationFiled: June 22, 2022Publication date: October 6, 2022Inventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun Pi, Michael G. Sack, Rubal Verma
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Patent number: 11375869Abstract: 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: GrantFiled: August 22, 2018Date of Patent: July 5, 2022Assignee: BISSELL Inc.Inventors: Joseph P. Perry, Adam Luedke, Kan Yuk Yiu, Jian Yun Pi
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Publication number: 20220202265Abstract: 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: ApplicationFiled: March 17, 2022Publication date: June 30, 2022Inventors: Kan Yuk Yiu, Jian Yun Pi
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Patent number: 11369242Abstract: 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: GrantFiled: May 11, 2020Date of Patent: June 28, 2022Assignee: iRobot CorporationInventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun Pi, Michael G. Sack, Rubal Verma
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Patent number: 11311166Abstract: 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: GrantFiled: June 17, 2019Date of Patent: April 26, 2022Assignee: BISSELL Inc.Inventors: Kan Yuk Yiu, Jian Yun Pi
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Publication number: 20200352402Abstract: 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: ApplicationFiled: May 11, 2020Publication date: November 12, 2020Inventors: Hao-Yun Chow, Patrick Chow, Ke Ting Gao, Fangzheng Guo, Jennifer Ann Mauger, Rogelio Manfred Neumann, Jian Yun Pi, Michael G. Sack, Rubal Verma
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Publication number: 20200178744Abstract: 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: ApplicationFiled: February 12, 2020Publication date: June 11, 2020Inventors: Jian Yun Pi, Kan Yuk Yiu
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Patent number: 10561290Abstract: 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: GrantFiled: September 27, 2017Date of Patent: February 18, 2020Assignee: BISSELL Homecare, Inc.Inventors: Jian Yun Pi, Kan Yuk Yiu
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Publication number: 20190298136Abstract: 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: ApplicationFiled: June 17, 2019Publication date: October 3, 2019Inventors: Kan Yuk Yiu, Jian Yun Pi
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Patent number: 10327615Abstract: 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: GrantFiled: January 13, 2017Date of Patent: June 25, 2019Assignee: BISSELL Homecare, Inc.Inventors: Gang Huang, Jian Yun Pi
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Publication number: 20180360290Abstract: 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: ApplicationFiled: August 22, 2018Publication date: December 20, 2018Inventors: Joseph P. Perry, Adam Luedke, Kan Yuk Yiu, Jian Yun Pi
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Patent number: 10085610Abstract: 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: GrantFiled: August 8, 2017Date of Patent: October 2, 2018Assignee: BISSELL Homecare, Inc.Inventors: Joseph P. Perry, Adam Luedke, Kan Yuk Yiu, Jian Yun Pi
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Patent number: D1049528Type: GrantFiled: March 29, 2023Date of Patent: October 29, 2024Assignee: iRobot CorporationInventors: Wind Li, Jian Yun Pi, Johnson Lin, Jack Wells, Armagan Sezer, Shaojia Chen
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Patent number: D1051530Type: GrantFiled: March 29, 2023Date of Patent: November 12, 2024Assignee: iRobot CorporationInventors: Johnson Lin, Wind Li, Shaojia Chen, Jian Yun Pi, Jack Wells, Armagan Sezer