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  • Inventor(s):
    Jiang Hsieh, Charles A. Bouman, Ken D. Sauer, Jean-Baptiste Thibault
    Patent Number:
    US 7440602 B2
    Description:

    A method for improving images of an imaging system including a plurality of detector cells includes assigning a quality factor for each detector cell.

    Date Issued:
    2008-10-21
    Resource Type
    Patent
  • Inventor(s):
    Gary H. Bernstein, Patrick Fay, Wolfgang Porod, Qing Liu
    Patent Number:
    US 7612443 B2
    Description:

    The present invention provides a quilt packaging system for microchip, a method for making such a quilt packaging system, microchips that may be used in a such a quilt packaging system, and methods for making such microchips.

    Date Issued:
    2009-11-03
    Resource Type
    Patent
  • Inventor(s):
    Mehul Patel, Thomas C. Corke
    Patent Number:
    US 7624941 B2
    Description:

    The present invention relates to a method of controlling an aircraft, missile, munition or ground vehicle with plasma actuators, and more particularly to controlling fluid flow across their surfaces or other surfaces, which would benefit from such a method. The method includes the design of an aerodynamic plasma actuator for the purpose of controlling airflow separation over a control surface of a aircraft, missile, or a ground vehicle, and more particularly to the method of determining a mod…

    Date Issued:
    2009-12-01
    Resource Type
    Patent
  • Inventor(s):
    Ken D. Sauer, Charles A. Bouman, Jiang Hsieh, Jean-Baptiste Thibault
    Patent Number:
    US 7327822 B2
    Description:

    A method of reconstructing an image includes combining a two-dimensional forward projection function and a three-dimensional stabilizing function to generate an iterative reconstruction algorithm, and using the obtained iterative reconstruction algorithm to perform a multislice Computed Tomography (CT) reconstruction to generate an image.

    Date Issued:
    2008-02-05
    Resource Type
    Patent
  • Inventor(s):
    Joan F. Brennecke, Edward J. Maginn
    Patent Number:
    US 6579343 B2
    Description:

    The present invention provides a method for purifying a gas by contacting the gas with a liquid ionic compound. Natural gas may be purified, removing water and carbon dioxide, by contacting the natural gas with a liquid ionic compound.

    Date Issued:
    2003-06-17
    Resource Type
    Patent
  • Inventor(s):
    Hsueh-Chia Chang, David T. Leighton
    Patent Number:
    US 6428754 B2
    Description:

    An exhaust gas treatment system and method for treating the exhaust gas of an internal combustion engine includes a catalytic converter and a catalytic preheater or igniter upstream of the catalytic converter. A bypass passage extends around the igniter such that during the ignition period about two-thirds of the exhaust gas is bypassed around the igniter and one-third passes through the igniter. The igniter raises the temperature of the exhaust gases passing therethrough to an adiabatic temp…

    Date Issued:
    2002-08-06
    Resource Type
    Patent
  • Inventor(s):
    Eduardo E. Wolf, Paul McAllister
    Patent Number:
    US 5312679 B2
    Description:

    A catalytic carbon formation technique in a carbon fiber substrate is disclosed. The carbon fiber substrate is first impregnated with a catalyst and is thereafter heated in an atmosphere rich in carbon and hydrogen. The catalyst is typically a Group VIII metal and may be selected from the group consisting of iron, nickel and cobalt. An incipient wetness technique for impregnating the substrate is also disclosed. A salt of the catalyst is provided in solution and void volume of the substrate i…

    Date Issued:
    1994-05-17
    Resource Type
    Patent
  • Inventor(s):
    Robert L. Irvine, Rajagopalan Venkatadri
    Patent Number:
    US 5342765 B2
    Description:

    Disclosed is a method of producing an extracellular product from an aerobic microorganism. The microorganism is grown in an aqueous medium on one side of an oxygen-permeable surface while the opposite side of the surface is contacted with oxygen. The extracellular product is then harvested from the aqueous medium. The method is particularly useful in producing lignin peroxidase from the white rot fungus Phanerochaete chrysosporium.

    Date Issued:
    1994-08-30
    Resource Type
    Patent
  • Inventor(s):
    Abhay Kumar, Paul W. Futa, Jr., Steven F. Fisher
    Patent Number:
    US 6328056 B2
    Description:

    An unbalance compensated bypass valve (14, 21, 23) for a gas turbine engine fuel supply system is responsive to the fuel pressure differential across a fuel metering valve (15) to open and close a bypass orifice (37, 39, 41; 89, 91, 93; 99, 101, 103). The bypass valve (14, 21, 23) selectively supplies high fuel pressure to a compensating cavity (45, 95, 120) providing a counterbalancing force against an annular area (47, 97, 124) of the bypass valve piston (34, 81, 83, 111, 112) to compensate…

    Date Issued:
    2001-12-11
    Resource Type
    Patent
  • Inventor(s):
    James J. Carberry, Charles Benjamin Alcock
    Patent Number:
    US 5286698 B2
    Description:

    Solid oxide solutions of the formula La.sub.1-x Sr.sub.x CrO.sub.3-.differential. have been found to exhibit surprisingly high specific activity as catalysts for oxidation and hydrogenation reactions. The oxide solutions can be utilized in particulate form or applied as films to the surfaces of refractory substrates. The oxide solution catalysts are expected to be a viable alternative to the noble metal catalysts now used commercially for treatment of combustion chamber exhaust gases to reduc…

    Date Issued:
    1994-02-15
    Resource Type
    Patent
  • Inventor(s):
    Arthur H. Hale, Peringandoor R. Hariharan, Sanjit Roy
    Patent Number:
    US 5637795 B2
    Description:

    A novel process and apparatus have been contrived for the study of the bit/stabilizer balling phenomenon in the laboratory. The device permits a standard testing procedure using a specially designed bob simulating the drill bit for comparing degrees of balling for different rock formations under different drilling conditions involving variable and controlled parameters like weight-on-bit, revolutions-per-minute (rpm), drilling fluids, etc.

    Date Issued:
    1997-06-10
    Resource Type
    Patent
  • Inventor(s):
    Paul J. McGinn, Hongmei An
    Patent Number:
    US 8356475 B2
    Description:

    Described is a method of slowly releasing a catalyst for, inter alia, the purpose of soot oxidation in a particulate filter. An example method includes incorporating an alkali metal oxide in a glass. Slow leaching of the alkali from the glass provides a means to gradually deliver the catalyst over extended periods. Additionally, the example method includes increasing the amount of alkaline metal ions that may be leached from the glass.

    Date Issued:
    2013-01-22
    Resource Type
    Patent