Patents by Inventor Yifeng Cai

Yifeng Cai 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: 20240410346
    Abstract: A pressing pump includes a pump case, a piston, a pump rod, and a pressing sleeve, where a pumping cavity is formed within the pump case; the piston is arranged within the pumping cavity and connected to the piston on an inner wall of the pumping cavity; a first end of the pump rod is connected to the piston; the pressing sleeve is sleeved on an outer circumference of a second end of the pump rod; a gap is formed between the pressing sleeve and the pump rod; and an inner circumference of the pressing sleeve and an outer circumference of the pump rod are clamped with each other to realize two-way motion limitation in a length direction of the pump rod. The pressing pump can maintain stable and smooth operation of the piston in the pressing process of the pressing pump.
    Type: Application
    Filed: January 9, 2024
    Publication date: December 12, 2024
    Applicant: Zhejiang Jinsheng New Materials Co., Ltd.
    Inventors: Rongtao RUAN, Qijiang RUAN, Yifeng CAI, Zongyuan DU, Hongkai WANG
  • Patent number: 12104963
    Abstract: A food thermometer includes a thermometer housing, a temperature sensor, a communication circuit and an antenna. The thermometer housing comprises a probe portion and a handle portion connected to one end of the probe portion, and at least part of the probe portion is to be inserted into food; the handle portion is an insulator, at least part of the probe portion has a metal structure; and the temperature sensor is arranged in the thermometer housing and configured to sense and obtain temperature information, the communication circuit is electrically connected to the temperature sensor and configured to transmit the temperature information to the outside through the antenna, the antenna is arranged at the handle portion and insulated, and spaced apart, from the probe portion, the communication circuit is arranged in the handle portion and connected to the antenna.
    Type: Grant
    Filed: December 8, 2023
    Date of Patent: October 1, 2024
    Assignees: Zhuhai Megain Technology Co., Ltd., OURSALE TRADING INC
    Inventors: Hua Wang, Haiji Qiu, Yifeng Cai, Xiaoling Tao, Chunsheng Yang, Xungui Wang, Huayou Li, Xiangui Tu
  • Publication number: 20240310215
    Abstract: A food thermometer includes a thermometer housing, a temperature sensor, a communication circuit and an antenna. The thermometer housing comprises a probe portion and a handle portion connected to one end of the probe portion, and at least part of the probe portion is to be inserted into food; the handle portion is an insulator, at least part of the probe portion has a metal structure; and the temperature sensor is arranged in the thermometer housing and configured to sense and obtain temperature information, the communication circuit is electrically connected to the temperature sensor and configured to transmit the temperature information to the outside through the antenna, the antenna is arranged at the handle portion and insulated, and spaced apart, from the probe portion, the communication circuit is arranged in the handle portion and connected to the antenna.
    Type: Application
    Filed: December 8, 2023
    Publication date: September 19, 2024
    Applicants: Zhuhai Megain Technology Co., Ltd., OURSALE TRADING INC
    Inventors: Hua WANG, Haiji QIU, Yifeng CAI, Xiaoling TAO, Chunsheng YANG, Xungui WANG, Huayou LI, Xiangui TU
  • Patent number: 10985653
    Abstract: An apparatus includes a first switching device and a second switching device connected in series between a first node and a second node, a first voltage blocking device and a second voltage blocking device connected in series between the first node and a third node, a flying capacitor connected between a common node of the first switching device and the second switching device, and a common node of the first voltage blocking device and the second voltage blocking device, and a controller configured to adjust power losses in the first switching device and the second switching device through controlling charge and discharge processes of the flying capacitor.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: April 20, 2021
    Assignee: Infineon Technologies AG
    Inventor: Yifeng Cai