Patents by Inventor Shenghua Ji

Shenghua Ji 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).

  • Reciprocating saw blade
    Patent number: D686049
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: July 16, 2013
    Assignee: Haiyan United Hacksaw Factory
    Inventor: Shenghua Ji
  • Reciprocating saw blade
    Patent number: D686470
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: July 23, 2013
    Assignee: Haiyan United Hacksaw Factory
    Inventor: Shenghua Ji
  • Reciprocating saw blade
    Patent number: D687276
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: August 6, 2013
    Assignee: Haiyan United Hacksaw Factory
    Inventor: Shenghua Ji
  • Hole template for multi-function electrical tool
    Patent number: D853817
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: July 16, 2019
    Inventor: Shenghua Ji