Patents by Inventor Tong LING

Tong 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).

  • Patent number: 9115790
    Abstract: The electric cart has a main body, wheels at the bottom of the main body and a gear motor to electrically drive the wheels. The gear motor includes a motor having a motor shaft, an output shaft connected to at least one of the wheels, and a gear reduction unit connecting the motor shaft to the output shaft. The gear reduction unit has a helical gear train.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: August 25, 2015
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Xiu Hua Zhu, Tong Ling
  • Publication number: 20130274049
    Abstract: The electric cart has a main body, wheels at the bottom of the main body and a gear motor to electrically drive the wheels. The gear motor includes a motor having a motor shaft, an output shaft connected to at least one of the wheels, and a gear reduction unit connecting the motor shaft to the output shaft. The gear reduction unit has a helical gear train.
    Type: Application
    Filed: April 17, 2013
    Publication date: October 17, 2013
    Applicant: Johnson Electric S.A.
    Inventors: Xiu Hua ZHU, Tong LING
  • Patent number: D964987
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: September 27, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Tong Ling, Chee Khiang Tan