Patents by Inventor Bokang Wang

Bokang Wang 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).

  • Refrigerant can tap
    Patent number: 11448439
    Abstract: A refrigerant can tap with a tap body having an inlet and an outlet, an internal pin, a gasket, and a backflow preventer. The inlet and outlet of the tap body have a one-half inch ACME left-handed thread, the inlet for engaging the self-sealing valve of an R-1234yf can.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: September 20, 2022
    Assignee: Weitron, Inc.
    Inventor: Bokang Wang
  • Refrigerant charging hose assembly
    Patent number: 11199348
    Abstract: A refrigerant charging hose assembly including a can tap connectable to the self-sealing valve of a R-1234yf refrigerant can with a one-half inch ACME left-handed thread on a self-sealing cap, a length of refrigerant charging hose, and a coupler fitting on the other end connectable to an R-1234yf automotive air conditioning system. An alternate embodiment of the refrigerant charging assembly can serve as a refrigerant charging and pressure testing hose assembly and includes a pressure gauge installed in the hose between the can tap and the coupler fitting.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: December 14, 2021
    Assignee: Weitron, Inc.
    Inventor: Bokang Wang
  • Refrigerant can tap
    Patent number: 10724775
    Abstract: A refrigerant can tap with a tap body having an inlet and an outlet, an internal pin, a gasket, and a backflow preventer. The inlet and outlet of the tap body have a one-half inch ACME left-handed thread, the inlet for engaging the self-sealing valve of an R-1234yf can.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: July 28, 2020
    Assignee: Weitron, Inc.
    Inventor: Bokang Wang