Patents by Inventor Yongsheng Liang
Yongsheng Liang 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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Publication number: 20210153708Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: ApplicationFiled: February 5, 2021Publication date: May 27, 2021Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Publication number: 20210106200Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: ApplicationFiled: December 22, 2020Publication date: April 15, 2021Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Publication number: 20210106198Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: ApplicationFiled: December 22, 2020Publication date: April 15, 2021Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Publication number: 20210106199Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: ApplicationFiled: December 22, 2020Publication date: April 15, 2021Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Patent number: 10925455Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: GrantFiled: November 2, 2020Date of Patent: February 23, 2021Assignee: BISSELL Inc.Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Publication number: 20210045610Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: ApplicationFiled: November 2, 2020Publication date: February 18, 2021Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Publication number: 20210045607Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: ApplicationFiled: November 2, 2020Publication date: February 18, 2021Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Publication number: 20210045606Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: ApplicationFiled: November 2, 2020Publication date: February 18, 2021Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Publication number: 20210045609Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: ApplicationFiled: November 2, 2020Publication date: February 18, 2021Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Publication number: 20210045608Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: ApplicationFiled: November 2, 2020Publication date: February 18, 2021Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Patent number: 10820769Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: GrantFiled: July 25, 2018Date of Patent: November 3, 2020Assignee: BISSELL Inc.Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Patent number: 10631702Abstract: A surface cleaning apparatus includes a fluid delivery system and a fluid recovery system, as well as a hybrid brushroll including a dowel, a plurality of bristle extending from the dowel, and microfiber material provided on the dowel between the bristles. The hybrid brushroll is suitable for use on both hard and soft surfaces, and for wet or dry vacuum cleaning.Type: GrantFiled: December 21, 2017Date of Patent: April 28, 2020Assignee: BISSELL Inc.Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kin-leung Tam, Min Li, Feng Chun Li
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Publication number: 20180325341Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.Type: ApplicationFiled: July 25, 2018Publication date: November 15, 2018Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
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Patent number: 10092155Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the handle assembly and adapted for movement across a surface to be cleaned The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can be formed by a portion of a suction nozzle assembly on the base. A light provided on the base can be configured to illuminate the fluid delivery channel when cleaning fluid is being delivered.Type: GrantFiled: October 21, 2016Date of Patent: October 9, 2018Assignee: BISSELL Homecare, Inc.Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma, Lawrence Chun-Hei Chu, Junfeng Ding, Scott R. Smith, Hui Wu
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Publication number: 20180271589Abstract: A microneedle treatment apparatus includes a microneedle treatment head, which further includes a housing having a receiving chamber and a treatment port communicating with the receiving chamber; a microneedle device disposed in the receiving chamber and including a microneedle base and at least one microneedle fixed to the microneedle base and extending toward the treatment port; and a cold end conducting portion fixed in the receiving chamber and including a contact end exposed to the treatment port and a heat-conducting end which conductively connects to the contact end and a cold output end of a cooling output device. The microneedle treatment apparatus can perform cold treatment through the contact between the cold end conducting portion and the treated area, so that the side effect of microneedle therapy can be reduced. A variable frequency RF treatment system includes an inverter circuit, an impedance matching circuit and a controller.Type: ApplicationFiled: December 21, 2017Publication date: September 27, 2018Applicant: Shenzhen Peninsula Medical Co., Ltd.Inventors: Xiaobing LEI, Yongsheng LIANG
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Publication number: 20180110388Abstract: A surface cleaning apparatus includes a fluid delivery system and a fluid recovery system, as well as a hybrid brushroll including a dowel, a plurality of bristle extending from the dowel, and microfiber material provided on the dowel between the bristles. The hybrid brushroll is suitable for use on both hard and soft surfaces, and for wet or dry vacuum cleaning.Type: ApplicationFiled: December 21, 2017Publication date: April 26, 2018Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kin-leung TAM, Min LI, Feng Chun LI
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Publication number: 20170119225Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the handle assembly and adapted for movement across a surface to be cleaned The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can be formed by a portion of a suction nozzle assembly on the base. A light provided on the base can be configured to illuminate the fluid delivery channel when cleaning fluid is being delivered.Type: ApplicationFiled: October 21, 2016Publication date: May 4, 2017Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma, Lawrence Chun-Hei Chu, Junfeng Ding, Scott R. Smith, Hui Wu