Patents by Inventor Chunming Ma

Chunming Ma 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).

  • Aircraft
    Patent number: D785541
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: May 2, 2017
    Assignee: Guangzhou Ehang Intelligent Technology Co., Ltd.
    Inventors: Hao Du, Zhiyi Li, Chunming Ma
  • Electric motor
    Patent number: D785566
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: May 2, 2017
    Assignee: GUANGZHOU EHANG INTELLIGENT TECHNOLOGY CO., LTD.
    Inventors: Hao Du, Zhiyi Li, Chunming Ma
  • Screw propeller
    Patent number: D792318
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: July 18, 2017
    Assignee: Guangzhou Ehang Intelligent Technology Co., Ltd.
    Inventors: Hao Du, Zhiyi Li, Chunming Ma
  • Folding mechanism of a machine arm
    Patent number: D807416
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: January 9, 2018
    Assignee: Guangzhou Ehang Intelligent Technology Co., Ltd.
    Inventors: Hao Du, Zhiyi Li, Chunming Ma
  • Aircraft
    Patent number: D855007
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: July 30, 2019
    Assignee: GUANGZHOU EHANG INTELLIGENT TECHNOLOGY CO., LTD.
    Inventors: Huazhi Hu, Chunming Ma
  • Unmanned aerial vehicle
    Patent number: D995355
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: August 15, 2023
    Assignee: GUANGZHOU EHANG INTELLIGENT TECHNOLOGY CO., LTD.
    Inventors: Huazhi Hu, Zhiyi Li, Chunming Ma, Na Chen