Patents by Inventor John J. Rodriques

John J. Rodriques 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).

  • Closed system quick coupling head assembly
    Patent number: 4186759
    Abstract: A coupling head assembly for coupling a source container of chemical in a closed system, the assembly including a main passageway for flow of chemical from the container, an auxiliary passageway for rinsing the container when connected to a source of rinse liquid, and a second auxiliary passageway connectable to such source of rinse liquid for rinsing at least one flow line of the system to the exclusion of the container. A control device provides for performing each of the three functions. While withdrawing the chemical from the container, the control device informs the operator by a signal, of the functioning status of the coupling head assembly.
    Type: Grant
    Filed: August 4, 1978
    Date of Patent: February 5, 1980
    Assignee: Terminator Products, Inc.
    Inventors: James S. Stevenson, John J. Rodriques