Patents by Inventor Paul Jacques

Paul Jacques 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).

  • Method and device for testing of temperature control valves in the water cooling system of locomotive engines
    Patent number: 4848925
    Abstract: A portable device is provided herein for testing a plurality of thermostats in situ, each thermostat being connected to an associated one of heat sensing units which are located within a liquid coolant circulation system of a manifold of a locomotive engin. The portable device includes a double-open-ended tubular casing fitted with an electric heater, whereby liquid coolant may be heated while it flows through the tubular casing. A first conduit is connected to one open, outflow, end of the tubular casing, the first conduit being provided with a pressure safety valve, the first conduit being connectable to a liquid coolant inflow line leading from a main liquid coolant reservoir, for conducting liquid coolant liquid to the manifold. The first conduit is provided with a first portion of a first, quick-connect coupling.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: July 18, 1989
    Inventor: Paul Jacques