Patents by Inventor Yingtang Ling

Yingtang Ling 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: 20250122679
    Abstract: A high-pressure cleaning device includes a carrier, a power unit, a valve assembly, a high-pressure water gun and a floor brush. The power unit is mounted on the carrier. The power unit includes a pump. The valve assembly is mounted on the carrier. The valve assembly includes a liquid inlet, a first liquid outlet and a second liquid outlet. The liquid inlet is in communication with an outlet of the pump. The high-pressure water gun is in communication with the first liquid outlet through a pipeline. The floor brush is mounted on a bottom of the carrier. The floor brush includes a nozzle assembly. The nozzle assembly is in communication with the second liquid outlet through a pipeline. The valve assembly is configured to be switchable between at least two of the following positions, include position one and position two.
    Type: Application
    Filed: October 11, 2024
    Publication date: April 17, 2025
    Inventors: Yin Chen, Yingtang Ling, Chunlin Zhao, Jun Zhang, Zefeng Wei, Xiuzhen Wu, Yaqing Jing, Hailong Huang
  • Publication number: 20250108396
    Abstract: A spray gun includes a gun body, a flow passage, a fluid driving element, a control module, a switch assembly and a battery pack. The control module is configured to obtain power information of the battery pack and/or working state information of the fluid driving element, and display the power information of the battery pack and/or the working state information of the fluid driving element through a visual interface module.
    Type: Application
    Filed: December 11, 2024
    Publication date: April 3, 2025
    Applicant: Greenworks (Jiangsu) Co., Ltd.
    Inventors: Xiuzhen WU, Hailong HUANG, Yingtang LING, Yuanjian CUI, Chunlin ZHAO, Kaihong TANG
  • Patent number: 8632021
    Abstract: The patent application relates to a pump head assembly. The pump head assembly includes a pump head which at least has a water inlet and a first water outlet between which a pressurizing unit is provided, and the pump head further includes a second water outlet, a throttle orifice is provided between the water inlet and the second water outlet, the throttle orifice is provided with a water outlet end and a water inlet end, the throttle orifice is provide with a liquid suction port, and a one way valve is provided on the liquid suction port. The pump head assembly realizes cleaning liquid suction by self-pressure of tap water, which lowers energy consumption, and effectively and reasonably saves energy sources.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: January 21, 2014
    Inventors: Jiang Li, Bo Wang, Yingtang Ling
  • Publication number: 20100206964
    Abstract: The patent application relates to a pump head assembly. The pump head assembly includes a pump head which at least has a water inlet and a first water outlet between which a pressurizing unit is provided, and the pump head further includes a second water outlet, a throttle orifice is provided between the water inlet and the second water outlet, the throttle orifice is provided with a water outlet end and a water inlet end, the throttle orifice is provide with a liquid suction port, and a one way valve is provided on the liquid suction port. The pump head assembly realizes cleaning liquid suction by self-pressure of tap water, which lowers energy consumption, and effectively and reasonably saves energy sources.
    Type: Application
    Filed: February 9, 2010
    Publication date: August 19, 2010
    Inventors: Jiang Li, Bo Wang, Yingtang Ling