Patents by Inventor Christian Paul A. Ricordi

Christian Paul A. Ricordi 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).

  • Fuel level indicator for combustion tools
    Patent number: 6722550
    Abstract: A combustion tool employing a replaceable pressurized fuel cell includes a fuel condition monitor system for monitoring and indicating fuel cell fuel condition. The fuel condition monitor system includes a fuel condition monitor for monitoring at least one of fuel cell pressure and fuel flow from the fuel cell, a control unit connected to the monitor for receiving fuel condition data sensed by the monitor, comparing the sensed data with preset values and determining fuel level in the fuel cell based on the determinations, a metering valve connected to the control unit, providing the exact amount of fuel based upon fuel cell condition, and an indicator connected to the control unit for providing an indication of fuel level.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: April 20, 2004
    Assignee: Illinois Tool Works Inc.
    Inventors: Christian Paul A. Ricordi, Joseph E. Fabin