Patent application number | Description | Published |
20090099675 | System and Method for Optimizing Transmission Component Life and Transmission Power - A power transmission system including a component having a surface and a plurality of micro-defects is provided. The surface has a distribution of asperities. The component has a first resonance frequency distribution. The distribution of asperities has a second resonance frequency distribution that is substantially outside of the first resonance frequency distribution. | 04-16-2009 |
20090254286 | Systems and Methods for Modeling Surface Properties of a Mechanical Component - There is a method for modeling the surface fatigue life of a mechanical component. The method has the following steps: a) modeling the surface fatigue life of the mechanical component on an atomistic scale to form an atomistic model, b) modeling the surface fatigue life of the mechanical component on a mesoscale to form a mesoscale model, c) modeling the surface fatigue life of the mechanical component on a macroscale to form a macroscale model, and d) testing the surface fatigue life of the mechanical component. Feedback from the macroscale model is employed at least once to validate the atomistic model. Feedback from the macroscale model is employed at least once to validate the mesoscale model. Feedback from the testing is employed at least once to validate the macroscale model. There is also an interactive, multiscale model for prediction surface fatigue life or degradation rate for a mechanical component. | 10-08-2009 |
20100046319 | Acoustic Acceleration of Fluid Mixing in Porous Materials - Apparatus and methods are disclosed for uniformly mixing fluid phases entrained in a porous material. | 02-25-2010 |
20100288586 | ELEVATOR MACHINE MOTOR AND DRIVE AND COOLING THEREOF - Heat in a drive system including a motor and a drive is removed using heat pipes in heat exchanging contact with the motor and the drive. The heat conducting element have at least one portion for receiving heat from the motor or the drive, and another portion to transfer heat to a heat exchange device that is spaced from the motor and drive. The heat conducting element may be a heat pipe or a heat spreader element. | 11-18-2010 |
20110213588 | SYSTEM AND METHOD FOR OCCUPANCY ESTIMATION AND MONITORING - A system computes occupancy estimates based on one or more inputs, including sensor data from one or more sensor devices, constraints on allowable occupancy levels, and one or more utility functions. An occupancy estimator organizes the sensor data, the utility functions and an occupancy estimate into an objective function and executes a constrained optimization algorithm that computes the occupancy estimate, subject to the constraints, such that the objective function is minimized. The computed occupancy estimate is provided as an output by the system to one or more control and/or monitoring systems. | 09-01-2011 |
20130201781 | Acoustic Acceleration of Fluid Mixing in Porous Materials - Apparatus and methods are disclosed for uniformly mixing fluid phases entrained in a porous material. A mixer may have a vessel and at least one porous material held by the vessel. At least one actuator may be acoustically coupled with at least one wall of the vessel for generating a wave. The wave effects mixing of at least two fluids in the porous material. The actuator may be a linear motor actuated with a control signal of predetermined frequency. The actuator may have a number of actuator pairs each including respective first and second actuators at respective first and second sides of the vessel. The actuators may be hinged for reciprocal movement. The actuators may be actuated to form a compression expansion wave to effect fluid motion in the porous material. | 08-08-2013 |
Patent application number | Description | Published |
20090081784 | GENERATION OF CLONAL MESENCHYMAL PROGENITORS AND MESENCHYMAL STEM CELL LINES UNDER SERUM-FREE CONDITIONS - Methods for obtaining multipotent mesenchymal stem cells under serum-free conditions and methods for identifying multipotent mesenchymal progenitor cells are disclosed. | 03-26-2009 |
20100081199 | Generation of mature myelomonocytic cells through expansion and differentiation of pluripotent stem cell-derived lin-CD34+CD43+CD45+progenitors - A method for efficient generation of neutrophils, eosinophils, macrophages, osteoclasts, dendritic cells an Langerhans cells from human embryonic stem cells is disclosed. | 04-01-2010 |
20100261274 | GENERATION OF CLONAL MESENCHYMAL PROGENITORS AND MESENCHYMAL STEM CELL LINES UNDER SERUM-FREE CONDITIONS - Methods for obtaining multipotent Apelin receptor-positive lateral plate mesoderm cells, mesenchymal stem cells, and mesangioblasts under serum-free conditions are disclosed. | 10-14-2010 |
20110117135 | Method of Forming Dendritic Cells from Embryonic Stem Cells - This invention relates to the culture of dendritic cells from human embryonic stem (ES) cells. Human ES cells are first cultured into hematopoietic cells by co-culture with stromal cells. The cells now differentiated into the hematopoietic lineage are then cultured with GM-CSF to create a culture of myeloid precursor cells. Culture of the myeloid precursor cells with the cytokines GM-CSF and IL-4 causes functional dendritic cells to be generated. The dendritic cells have a unique phenotype, as indicated by their combination of cell surface markers. | 05-19-2011 |
20120040362 | Multipotent Lymphohematopoietic Progenitor Cells - This invention relates to hematopoietic precursors derived from human embryonic stem cells. In the culture of differentiated cells from human ES cells, the fully committed hematopoietic precursors are CD34+ and CD43+ but not CD45+. If the cells are cultured until they express CD45, then the cells lose the ability to produce differentiated cells of the lymphoid lineages. | 02-16-2012 |
20120142106 | Method Of Forming Dendritic Cells From Embryonic Stem Cells - This invention relates to the culture of dendritic cells from human embryonic stem (ES) cells. Human ES cells are first cultured into hematopoietic cells by co-culture with stromal cells. The cells now differentiated into the hematopoietic lineage are then cultured with GM-CSF to create a culture of myeloid precursor cells. Culture of the myeloid precursor cells with the cytokines GM-CSF and IL-4 causes functional dendritic cells to be generated. The dendritic cells have a unique phenotype, as indicated by their combination of cell surface markers. | 06-07-2012 |
20130230917 | Method of Forming Dendritic Cells from Embryonic Stem Cells - This invention relates to the culture of dendritic cells from human embryonic stem (ES) cells. Human ES cells are first cultured into hematopoietic cells by co-culture with stromal cells. The cells now differentiated into the hematopoietic lineage are then cultured with GM-CSF to create a culture of myeloid precursor cells. Culture of the myeloid precursor cells with the cytokines GM-CSF and IL-4 causes functional dendritic cells to be generated. The dendritic cells have a unique phenotype, as indicated by their combination of cell surface markers. | 09-05-2013 |
20140248699 | ERYTHROID CELLS PRODUCING ADULT-TYPE BETA-HEMOGLOBIN GENERATED FROM HUMAN EMBRYONIC STEM CELLS - Methods and compositions of erythroid cells that produce adult β-hemoglobin, generated by culturing CD31+, CD31+/CD34+ or CD34+ cells from embryonic stem cells under serum-free culture conditions. | 09-04-2014 |
20140273211 | Methods and Materials for Hematoendothelial Differentiation of Human Pluripotent Stem Cells Under Defined Conditions - Methods and compositions for differentiating pluripotent stem cells into cells of endothelial and hematopoietic lineages are disclosed. | 09-18-2014 |
Patent application number | Description | Published |
20090045351 | SENSOR SYSTEM WITH SURFACE-PLASMON-POLARITON (SPP) ENHANCED SELECTIVE FLUORESCENCE EXCITATION AND METHOD - In a sensor system, an active sensor chip includes an array of periodically-patterned dielectric active sensor patches of different periodicities and geometries formed on a metal film. A specimen under study is positioned on each patch, and the active sensor chip is interrogated by illumination the patches in a predetermined sequence to result in a fluorescence response from each patch enhanced by SPP. The intensity of the fluorescence response is controlled by varying the wavelength, incidence angle, azimuthal orientation and polarization direction of the excitation light beam as the function of the periodicity of the illuminated patch. The system is compatible with commercial fluorescence microscopes and scanned laser interrogation systems. | 02-19-2009 |
20100129085 | PLASMONIC SYSTEMS AND DEVICES UTILIZING SURFACE PLASMON POLARITON - Plasmonic systems and devices that utilize surface plasmon polaritons (or “plasmons”) for inter-chip and/or intra-chip communications are provided. A plasmonic system includes a microchip that has an integrated circuit module and a plasmonic device configured to interface with the integrated circuit module. The plasmonic device includes a first electrode, a second electrode positioned at a non-contact distance from the first electrode, and a tunneling-junction configured to create a plasmon when a potential difference is created between the first electrode and the second electrode. | 05-27-2010 |
20100277381 | Metamaterial Cloaked Antenna - In the method for operating a plurality antenna having near-field (NF) zone mounted on a vehicle, wherein the improvement comprises the step of cloaking in the near-field (NF) zone of each of said plurality of antennas. | 11-04-2010 |
20100278481 | ANISOTROPIC METAMATERIALS EMULATED BY TAPERED WAVEGUIDES: APPLICATION TO ELECTROMAGNETIC CLOAKING - A method for carrying out electromagnetic cloaking using metamaterial devices requiring anisotropic dielectric permittivity and magnetic permeability may be emulated by specially designed tapered waveguides. This approach leads to low-loss, broadband performance in the visible frequency range, which is difficult to achieve by other means. We apply this technique to electromagnetic cloaking. A broadband, two-dimensional, electromagnetic cloaking is demonstrated in the visible frequency range on a scale ˜ | 11-04-2010 |
20110171374 | Dispersion-Compensated Infra Red Cloak (D-CIRC) - A method of achieving electromagnetic cloaking of an object comprising the step of coating said object with a metal-dielectric composite material including a dielectric component, wherein the dielectric component is comprised of a material exhibiting anomalous dispersion in a wide wavelength range. | 07-14-2011 |
20130229704 | GRADED INDEX METAMATERIAL LENS - A lens with a graded index of refraction is presented. The lens is formed out of a sheet of material having a uniform thickness with a top surface and a bottom surface. Elongated openings are formed in the top surface extending downwardly to the bottom surface. Material of the elongated sheet is left between adjacent openings. A width of the material between adjacent openings is less than a wavelength of electromagnet energy the lens is configured to refract. The density and distribution openings varies across the sheet of material so that the refractive index of the lens varies across the sheet of material. | 09-05-2013 |
20130340990 | RADIATIVE COOLING OF OPTOELECTRONIC DEVICES USING HYPERBOLIC METAMATERIALS - A method of radiative cooling of optoelectronic devices using a hyperbolic metamaterial TIM layer below the heat generating optoelectronics is disclosed. Optoelectronic devices are optimized for high radiative heat conductance due to broad hyperbolic frequency band in the Long-Wavelength Infrared (LWIR) range with an efficient electromagnetic black hole thermal interface between the metamaterial TIM layer and a metallic heat sink. A modified Stefan-Boltzmann law in the hyperbolic metamaterial layer enables domination of the radiative heat transfer in the TIM layer. The broadband divergence of the photonic density of states in hyperbolic metamaterials leads to an increase in radiative heat transfer, beyond the limit set by the Stefan-Boltzmann law. The resulting radiative thermal hyper-conductivity approach or even exceed heat conductivity via electrons and phonons in regular solids. | 12-26-2013 |
20140059830 | HYPERBOLIC METAMATERIALS AS DISTRIBUTED BRAGG MIRRORS FOR HIGH POWER VCSEL DEVICES - Implementing a layered hyperbolic metamaterial in a vertical cavity surface emitting laser (VCSEL) to improve thermal conductivity and thermal dissipation thereby stabilizing optical performance. Improvement in the thermal management and power is expected by replacing the distributed Bragg reflector (DBR) mirrors in the VCSEL. The layered metamaterial structure performs the dual function of the DBR and the heat spreader at the same time. | 03-06-2014 |
20140348191 | HYPERBOLIC METAMATERIALS AS DISTRIBUTED BRAGG MIRRORS FOR HIGH POWER VCSEL DEVICES - Implementing a layered hyperbolic metamaterial in a vertical cavity surface emitting laser (VCSEL) to improve thermal conductivity and thermal dissipation thereby stabilizing optical performance. Improvement in the thermal management and power is expected by replacing the distributed Bragg reflector (DBR) mirrors in the VCSEL. The layered metamaterial structure performs the dual function of the DBR and the heat spreader at the same time. | 11-27-2014 |
Patent application number | Description | Published |
20130125208 | PORTABLE SECURITY DEVICE AND METHODS OF USER AUTHENTICATION - Disclosed a portable security device and methods for secure user authentication. The security device stores operating system agents that enable communication with user devices that have different operating systems. The security device also stores user authentication data for accessing different Internet resources by the user devices. The security devices connects to the user device using an operating system agent corresponding to the operating system of the user device, and receives from the user device a request to access an Internet resource. The security device select user authentication data associated with the requested Internet resource, and obtains the requested Internet resource using the selected user authentication data. | 05-16-2013 |
20130333018 | Portable Security Device and Methods for Secure Communication - Disclosed a portable personal security device and methods for secure communication. In one example, the personal security device may wirelessly connect to a user device and collect information about the user device. The personal security device may then assess security characteristics of the user device based on the collected information. When the user device is determined to be unsecure, the personal security devices may instruct the user to use a secure internet application of the personal security device instead of an unsecure internet application of the user device. In addition, the personal security device may instruct the user to use a secure data input device of the personal security device instead of an unsecure data input device of the user device. The personal security device then receives via the secure data input device a user input data for the secure internet application, and transmit it to the user device. | 12-12-2013 |
20130340080 | System and Method for Preventing Spread of Malware in Peer-to-Peer Network - Disclosed are systems, methods and computer program products for detecting and preventing spread of malware in a peer-to-peer (P2P) network. The system includes a P2P server receiving from a peer client computer a request for a metadata object and determining if the requested metadata object is associated with one of a verified clean data object, a verified malicious data, or an unverified data object. If the requested metadata object is associated with a verified clean data object, transmitting the requested metadata object to the peer client computer. If the requested metadata object is associated with an unverified data object, determining if the peer client computer has an antivirus software for testing the unverified data object for malware. If the peer client computer has an antivirus software, transmitting to the peer client computer the requested metadata object, otherwise denying client' request. | 12-19-2013 |