Patents by Inventor Tinghai Cheng

Tinghai Cheng 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).

  • Magnetic plate for attracting cartridge
    Patent number: 10384319
    Abstract: The present invention relates to a magnetic plate for attracting cartridges. The magnetic plate comprises an upper cover, a support frame and a lower cover. The upper cover, the support frame and the lower cover are connected fixedly in order from top to bottom. The upper cover and the lower cover are engaged and form a case. The support frame is positioned within the case. Magnetic components are mounted between the support frame and the lower cover. The magnetic components comprise metal members and magnetic steel members connected fixedly to the metal members. The metal members are stuck on the bottom surface of the support frame. The metal steel members include first magnetic steel members and second magnetic steel members. The first magnetic steel members are arranged on the upper surface of the metal members and pass upwards through the support frame, and the second magnetic steel members are arranged on the lower surface of the metal members and pass through downwards through the lower cover.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: August 20, 2019
    Assignee: NINGBO NEWLAND MAGNET INDUSTRY CORPORATION LIMITED
    Inventor: Tinghai Cheng
  • MAGNETIC PLATE FOR ATTRACTING CARTRIDGE
    Publication number: 20190009378
    Abstract: The present invention relates to a magnetic plate for attracting cartridges. The magnetic plate comprises an upper cover, a support frame and a lower cover. The upper cover, the support frame and the lower cover are connected fixedly in order from top to bottom. The upper cover and the lower cover are engaged and form a case. The support frame is positioned within the case. Magnetic components are mounted between the support frame and the lower cover. The magnetic components comprise metal members and magnetic steel members connected fixedly to the metal members. The metal members are stuck on the bottom surface of the support frame. The metal steel members include first magnetic steel members and second magnetic steel members. The first magnetic steel members are arranged on the upper surface of the metal members and pass upwards through the support frame, and the second magnetic steel members are arranged on the lower surface of the metal members and pass through downwards through the lower cover.
    Type: Application
    Filed: September 29, 2017
    Publication date: January 10, 2019
    Inventor: Tinghai CHENG
  • GPS storage box
    Patent number: D816337
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: May 1, 2018
    Inventor: Tinghai Cheng
  • GPS storage box
    Patent number: D827305
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: September 4, 2018
    Inventor: Tinghai Cheng
  • Magnet plate
    Patent number: D866492
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: November 12, 2019
    Inventor: Tinghai Cheng