Patents Assigned to Weitron, Inc.
  • 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