Patents by Inventor Alexander Yebo Chen

Alexander Yebo Chen 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: 20240066634
    Abstract: The invention disclose a laser engraving machine with the adjustment and protection device, comprising the laser engraving machine frame, the CO2 laser light source, the Y-axis guide rail, the X-axis guide rail; wherein the Y-axis guide rail and X-axis guide rail are provided fixedly on the laser engraving machine frame, the Y-axis guide rail and X-axis guide rail are provided in the vertical relationship, and the CO2 laser light source is provided fixedly on the frame of the laser engraving machine; further comprising the combined beam and the first reflection combination device, the second reflection combination device, the beam splitting and engraving head assembly, and OR gate device; the combined beam and first reflection combination device is provided fixedly on the frame of the laser engraving machine.
    Type: Application
    Filed: October 27, 2022
    Publication date: February 29, 2024
    Inventor: Alexander Yebo Chen
  • Publication number: 20230327389
    Abstract: A cooling system for a laser includes: a laser, a housing of the laser having a water inlet and a water outlet; an air cooling mechanism including a first pipeline, an air cooling module, a cooling liquid tank, and a water pump; wherein the air cooling module, the cooling liquid tank, and the water pump are sequentially connected through the first pipeline, both ends of the first pipeline is connected to the water inlet and the water outlet, respectively; the water pump is closer to the water inlet; a water cooling mechanism including a second pipeline and a water chiller in communication with the second pipeline, both ends of the second pipeline being connected to the water inlet and the water outlet, respectively; and a solenoid valve with one inlet and two outlets arranged at a junction of the water outlet, the first pipeline, and the second pipeline.
    Type: Application
    Filed: June 1, 2022
    Publication date: October 12, 2023
    Inventor: Alexander Yebo Chen
  • Patent number: D946829
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: March 22, 2022
    Assignee: Shanghai Yunhui Trading Co., Ltd.
    Inventor: Alexander Yebo Chen
  • Patent number: D991990
    Type: Grant
    Filed: December 24, 2021
    Date of Patent: July 11, 2023
    Assignee: Asteroid Trading Limited
    Inventor: Alexander Yebo Chen
  • Patent number: D991991
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: July 11, 2023
    Assignee: Asteroid Trading Limited
    Inventor: Alexander Yebo Chen