Patents by Inventor Binhao RUAN

Binhao RUAN 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).

  • Hydraulic oil-circuit system and hydraulic jack
    Patent number: 12410824
    Abstract: A hydraulic oil-circuit system and a hydraulic jack are proposed. The hydraulic oil-circuit system includes a hydraulic cylinder, an oil loading chamber, a storage oil chamber and an oil unloading pipeline; a piston is arranged in the hydraulic cylinder and divides the hydraulic cylinder into a first hydraulic oil chamber and a second hydraulic oil chamber; the first hydraulic oil chamber has a first oil port, and the second hydraulic oil chamber has a second oil port; the first oil port and the second oil port are both in unidirectional communication with the oil loading chamber and are both in unidirectional communication with the storage oil chamber; and the oil unloading pipeline connects the oil loading chamber and the storage oil chamber.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: September 9, 2025
    Assignee: T-MAX (HANGZHOU) TECHNOLOGY CO., LTD.
    Inventors: Yongyong Zhan, Xinfa Du, Songfeng Wang, Binhao Ruan
  • HYDRAULIC OIL-CIRCUIT SYSTEM AND HYDRAULIC JACK
    Publication number: 20220381265
    Abstract: A hydraulic oil-circuit system and a hydraulic jack are proposed. The hydraulic oil-circuit system includes a hydraulic cylinder, an oil loading chamber, a storage oil chamber and an oil unloading pipeline; a piston is arranged in the hydraulic cylinder and divides the hydraulic cylinder into a first hydraulic oil chamber and a second hydraulic oil chamber; the first hydraulic oil chamber has a first oil port, and the second hydraulic oil chamber has a second oil port; the first oil port and the second oil port are both in unidirectional communication with the oil loading chamber and are both in unidirectional communication with the storage oil chamber; and the oil unloading pipeline connects the oil loading chamber and the storage oil chamber.
    Type: Application
    Filed: April 28, 2022
    Publication date: December 1, 2022
    Inventors: Yongyong ZHAN, Xinfa DU, Songfeng WANG, Binhao RUAN
  • Hydraulic jack
    Patent number: D1079184
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: June 10, 2025
    Assignee: T-MAX (HANGZHOU) TECHNOLOGY CO., LTD.
    Inventors: Hanxin Zhang, Yiming Wang, Binhao Ruan, Yongyong Zhan