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).

  • Publication number: 20210153708
    Abstract: 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: Application
    Filed: February 5, 2021
    Publication date: May 27, 2021
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Publication number: 20210106200
    Abstract: 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: Application
    Filed: December 22, 2020
    Publication date: April 15, 2021
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Publication number: 20210106198
    Abstract: 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: Application
    Filed: December 22, 2020
    Publication date: April 15, 2021
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Publication number: 20210106199
    Abstract: 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: Application
    Filed: December 22, 2020
    Publication date: April 15, 2021
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Patent number: 10925455
    Abstract: 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: Grant
    Filed: November 2, 2020
    Date of Patent: February 23, 2021
    Assignee: BISSELL Inc.
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Publication number: 20210045610
    Abstract: 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: Application
    Filed: November 2, 2020
    Publication date: February 18, 2021
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Publication number: 20210045607
    Abstract: 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: Application
    Filed: November 2, 2020
    Publication date: February 18, 2021
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Publication number: 20210045606
    Abstract: 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: Application
    Filed: November 2, 2020
    Publication date: February 18, 2021
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Publication number: 20210045609
    Abstract: 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: Application
    Filed: November 2, 2020
    Publication date: February 18, 2021
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Publication number: 20210045608
    Abstract: 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: Application
    Filed: November 2, 2020
    Publication date: February 18, 2021
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Patent number: 10820769
    Abstract: 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: Grant
    Filed: July 25, 2018
    Date of Patent: November 3, 2020
    Assignee: BISSELL Inc.
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Patent number: 10631702
    Abstract: 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: Grant
    Filed: December 21, 2017
    Date of Patent: April 28, 2020
    Assignee: BISSELL Inc.
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kin-leung Tam, Min Li, Feng Chun Li
  • Publication number: 20180325341
    Abstract: 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: Application
    Filed: July 25, 2018
    Publication date: November 15, 2018
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Patent number: 10092155
    Abstract: 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: Grant
    Filed: October 21, 2016
    Date of Patent: October 9, 2018
    Assignee: 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
  • Publication number: 20180271589
    Abstract: 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: Application
    Filed: December 21, 2017
    Publication date: September 27, 2018
    Applicant: Shenzhen Peninsula Medical Co., Ltd.
    Inventors: Xiaobing LEI, Yongsheng LIANG
  • Publication number: 20180110388
    Abstract: 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: Application
    Filed: December 21, 2017
    Publication date: April 26, 2018
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kin-leung TAM, Min LI, Feng Chun LI
  • Publication number: 20170119225
    Abstract: 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: Application
    Filed: October 21, 2016
    Publication date: May 4, 2017
    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