Patents by Inventor John Robert Lenney

John Robert Lenney 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).

  • Combined measuring and injecting flow cell
    Patent number: 5649560
    Abstract: A combined measuring and injecting flow cell has a single housing defining a pair of chambers connected by a small passage. The first or sensing chamber has an inlet valve and at least one monitoring member extending therein. The second or injection chamber has an outlet valve and at least one injector extending therein. Preferably at least one wall of the cell is transparent to allow visually monitoring the conditions within.
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: July 22, 1997
    Assignee: Acu-Trol
    Inventors: John Robert Lenney, John Scott Lenney, Lance Irvin Fitzsimmons, Harold Matthew Van Gordon