Patents by Inventor John R. Whalen, II

John R. Whalen, II 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: 5373866
    Abstract: Refrigerant discharge pliers for removing refrigerant from the lines of refrigeration systems comprising a first rigid bar having a handle formed on one end and a lower jaw formed on the other end. A second rigid bar having a handle formed on one end and an upper jaw formed on the other end. A pivotal mechanism for coupling the jaws and allowing one bar to pivot with respect to the other. A spacer mechanism coupled between the handles for biasing the jaws. A positioning mechanism coupled to the jaws for holding and positioning a line. A piercing mechanism coupled to jaws for piercing a line held by the positioning mechanism, and a discharge mechanism coupled to the piercing mechanism for draining a pierced line held by the positioning mechanism.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: December 20, 1994
    Inventor: John R. Whalen, II