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  • Inventor(s):
    Mark Muldoon, Joan F. Brennecke, Edward J. Maginn, Eric F. V. Scriven, Colin H. McAteer
    Patent Number:
    US 7687513 B2
    Description:

    Disclosed herein are aminopyridinium cations and compositions containing these cations. Piperidino pyridinium cations and compositions containing these cations are also described. Ionic compositions, particularly liquid ionic compositions that contain the aminopyridinium cation or piperidino pyridinium cation are also described. Methods of enhancing the thermal stability of a compound, particularly an ionic compound, using the aminopyridinium or piperidino pyridinium cations, are also present…

    Resource Type
    Patent
  • Inventor(s):
    Luis A. Montestruque, Michael D. Lemmon, Jeffrey W. Talley
    Patent Number:
    US 7792126 B2
    Description:

    A distributed monitoring and control system includes a plurality of nodes forming a redundant communication network. Each of the nodes includes a processor, a memory and a transceiver. At least one of the nodes includes a sensor for acquiring information. At least one of the nodes includes an actuator. At least one of the processors is programmed with a control algorithm to receive information acquired from the sensors, calculate a control command and communicate the control command to the ac…

    Resource Type
    Patent
  • Inventor(s):
    Allen H. Simpson, Slawomir T. Fryska, Mark L. La Forest, Alexander Mukasyan
    Patent Number:
    US 7858187 B2
    Description:

    Method of joining carbon-carbon composite pieces together, e.g. in the refurbishment of aircraft brake discs. The method includes the steps of: providing a first carbon-carbon composite piece and a second carbon-carbon composite piece, wherein the second carbon-carbon composite piece has a surface that is complementary to a surface of said first carbon-carbon composite piece; providing a layer of a mixture of titanium powder and carbon powder on the first complementary mating surface; arrangi…

    Resource Type
    Patent
  • Inventor(s):
    Jean-Baptiste Thibault, Charles A. Bouman, Jeffrey Allen Fessler, Ken D. Sauer
    Patent Number:
    US 7885371 B2
    Description:

    A method and system for image reconstruction of data acquired by a device such as computed tomography is provided. The method and system use a multi-stage statistical iterative reconstruction techniques to provide a three dimensional representation of the scanned object. In one embodiment, the first stage uses a projection-based reconstruction technique, such as Ordered Subset (OS) to converge on a solution for low frequency portion of the image. A subsequent stage uses a voxel-based reconstr…

    Resource Type
    Patent
  • Inventor(s):
    Zachary Gagnon, Hsueh-Chia Chang
    Patent Number:
    US 7744738 B2
    Description:

    The present invention provides a method and apparatus for use in rapid particle transportation, separation, focusing, characterization, and release. Dielectrophoresis and electro-osmotic driven fluid convection are used independently or in tandem as the driving forces for particle manipulation and on occasion characterization. Although dielectrophoresis has been acknowledged for decades as a powerful technique for particle manipulation and characterization, long processing times and measureme…

    Resource Type
    Patent
  • Inventor(s):
    Ken D. Sauer, Charles A. Bouman, Jiang Hsieh, Jean-Baptiste Thibault
    Patent Number:
    US 7676074 B2
    Description:

    A method for filtering a measurement of density of an object is described. The method includes filtering the measurement of the density and preserving a local average of the measurement and additional measurements when performing the filtering.

    Resource Type
    Patent
  • Inventor(s):
    Steven R. Schmid, Glen L. Niebur, Dale R. Sumner
    Patent Number:
    US 7674477 B2
    Description:

    The present invention provides a bone in-growth surface for implants which has a structure for delivering therapeutic agents to surrounding bone and tissue. The bone in-growth surface may comprise scaffolding and a controlled-permeability layer which contains the therapeutic agents in a variety of reservoirs. The porosity of the scaffolding may be controllable from zero porosity to essentially a fully porous material.

    Resource Type
    Patent
  • Inventor(s):
    Peter M. Kogge
    Patent Number:
    US 7639628 B2
    Description:

    A method that includes activating and deactivating two counts between an active state and not an active state such that no more than one count at a time is in an active state. The method also includes receiving a request packet of information that requires a reply and incrementing the count that is in an active state, and setting a flag in the request packet of information that requires a reply, the flag being set to correspond to the count that is in the active state. The method further incl…

    Resource Type
    Patent
  • Inventor(s):
    Eduardo E. Wolf
    Patent Number:
    US 7659227 B2
    Description:

    Embodiments of the present invention provide catalysts for production of hydrogen from methanol. In an embodiment, a Cu/Zn catalyst may be promoted by Zr and/or Ce, in addition to, in embodiments, Pd or another noble metal. In an embodiment, a chemical composition may have a Cu/Zn base catalyst with a promoter element of Ce, Zr, and/or Pd or another noble metal. Methods of producing hydrogen using such catalysts are also provided.

    Resource Type
    Patent
  • Inventor(s):
    Douglas C. Hall, Mingjun Huang
    Patent Number:
    US 7655489 B2
    Description:

    Disclosed is a method of doping an oxide. The example method includes forming at least one of an AlGaAs oxide or an InAlP oxide on a GaAs substrate, and incorporating Erbium into the at least one AlGaAs oxide or InAlP oxide via ion implantation to form an Erbium-doped oxide layer. The example method also includes annealing the substrate and the at least one AlGaAs oxide or InAlP oxide.

    Resource Type
    Patent
  • 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.

    Resource Type
    Patent
  • Inventor(s):
    Linda Fehr, Steven B. Skaar, Guillermo Del Castillo
    Patent Number:
    US 7383107 B2
    Description:

    A wheelchair navigation system for a motorized wheelchair includes dual cameras, proximity sensors, microphones, and rotation sensors for the wheels. Small markers are placed on the walls of a location or room. The navigation system uses the proximity sensors, rotation sensors and cameras in conjunction with the specialized software to determine where objects or impediments are located in the room and thereby redirect the path of the wheelchair so as to avoid such objects. The wheelchair is w…

    Resource Type
    Patent