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Assignee: Virginia Tech Intellectual Properties, Inc.


Location: Blacksburg, VA
No. of patents: 398

1                    
NumberTitleIssue Date
8172998Ionic solvents used in ionic polymer transducers, sensors and actuators
Ionic liquids are incorporated into transducers, actuators or sensors which employ the ionic polymer membranes. The ionic liquids have superior electrochemical stability, low viscosity and low vapor pressure. The transducers, actuators and sensors which utilize ioni...
05/08/2012
8172040Active/passive distributed absorber for vibration and sound radiation control
Vibration or acoustic sound control is achieved using an elastic layer of thermal or insulation material in which a plurality of discrete masses are distributed throughout. The elastic layer may be installed as a pre-formed layer, or be blown into position within a ...
05/08/2012
8148360Supramolecular metallic complexes exhibiting both DNA binding and photocleavage
Supramolecular complexes that target and cleave DNA are provided. The supramolecular complexes include at least one metal-to-ligand charge transfer (MLCT) light absorbing unit, at least one Pt based DNA binding unit, and at least one bridging unit that serves to con...
04/03/2012
8129428Insecticidal carbamates exhibiting species-selective inhibition of acetylcholinesterase (AChE)
The present invention includes insecticidal carbamates that are useful, for example, for the control of insects, such as mosquitoes, which can be used in applications where exposure to and/or contact with humans is likely. The insecticides of the present invention i...
03/06/2012
8125291Electromagnetic interference noise separator
Improved performance of a noise separator circuit capable of separating common mode (CM) and differential mode (DM) components of electromagnetic interference (EMI) noise are provided by arrangement of terminating impedances such that the circuit is fully symmetric ...
02/28/2012
8121249Multi-parameter X-ray computed tomography
The present invention relates to the field of x-ray imaging. More particularly, embodiments of the invention relate to methods, systems, and apparatus for imaging, which can be used in a wide range of applications, including medical imaging, security screening, and ...
02/21/2012
8094610Dynamic cellular cognitive system
High quality communications among a diverse set of cognitive radio (CR) nodes is permitted while minimizing interference to primary and other secondary users by employing Dynamic Spectrum Access (DSA) in a Dynamic Cellular Cognitive System (DCCS). Diverse device typ...
01/10/2012
8080964Neural network and method for estimating regions of motor operation from information characterizing the motor
A method for collecting operational parameters of a motor may include controlling the energization of a phase winding of the motor to establish an operating point, monitoring operational parameters of the motor that characterize a relationship between the energizati...
12/20/2011
8058048Chimeric infectious DNA clones, chimeric porcine circoviruses and uses thereof
The present invention relates to infectious DNA clones, infectious chimeric DNA clones of porcine circovirus (PCV), vaccines and means of protecting pigs against viral infection or postweaning multisystemic wasting syndrome (PMWS) caused by PCV2. The new chimeric in...
11/15/2011
8028842Chlorine resistant desalination membranes based on directly sulfonated poly(arylene ether sulfone) copolymers
The present invention provides a membrane, kit, and method of making a hydrophilic-hydrophobic random copolymer membrane. The hydrophilic-hydrophobic random copolymer membrane includes a hydrophilic-hydrophobic random copolymer. The hydrophilic-hydrophobic random co...
10/04/2011
RE42672Wideband compact planar inverted-F antenna
An improved low profile antenna of the PIPA PIFA style is formed from a single piece of useful conductive material and includes a first plate spaced apart from an elongated ground plate. The first and ground plates are interconnected by a shorting plate having a wid...
09/06/2011
8003856Low phytic acid, low stachyose, high sucrose soybean lines
The present invention provides novel soybean lines having high sucrose content and low phytic acid and low stachyose content. The soybeans are easily digested and provide high energy content for animals and humans. The low phytic acid content permits animal feed to ...
08/23/2011
7972611Fungus-induced inflammation and eosinophil degranulation
This document relates to methods and materials involved in fungus-induced inflammation and eosinophil degranulation. For example, isolated nucleic acids encoding fungal polypeptides, fungal polypeptides, methods for assessing fungus-induced inflammation, methods for...
07/05/2011
7938894Hybrid organic-inorganic gas separation membranes
The invention discloses a composition comprising a hybrid composite organic-inorganic membrane. The hybrid organic-inorganic membrane according to the present invention may comprise an amorphous porous layer incorporating organic functionalities. The amorphous porou...
05/10/2011
7932800Method and apparatus for three-dimensional integration of embedded power module
A modified planar Low Temperature Co-Fired Ceramic (LTCC) high conductance inductor, embedding a large cross section conductor, supports a stacked arrangement of heat spreader, inductor and active device layers. Interlayer electrical connections connect the layers. ...
04/26/2011
7931838Method for making oriented single-walled carbon nanotube/polymer nano-composite membranes
Nano-composite membranes and methods for making them are described. The nano-composite membranes a made from a layer of oriented carbon nanotubes fixed in a polymeric matrix. Methods for efficient, facile, and inexpensive fabrication of the nano-composite membranes ...
04/26/2011
7902866Wires on demand: run-time communication synthesis for reconfigurable computing
A method, and system, for reconfiguring an FPGA which has a static region and a dynamic region is provided. The method includes the steps of: (a) providing a dynamic module library having information of predetermined modules; (b) receiving a reconfiguration request ...
03/08/2011
7887820Fungus-induced inflammation and eosinophil degranulation
This document relates to methods and materials involved in fungus-induced inflammation and eosinophil degranulation. For example, isolated nucleic acids encoding fungal polypeptides, fungal polypeptides, methods for assessing fungus-induced inflammation, methods for...
02/15/2011
7877621Detecting software attacks by monitoring electric power consumption patterns
Software attacks such as worms and viruses are detected in an electronic device by monitoring power consumption patterns. In a first embodiment, software attacks are detected by an increase in power consumption. The increased power consumption can be caused by incre...
01/25/2011
7872886Quasi-parallel voltage regulator
Improved regulation and transient response are provided by a power supply architecture providing both unregulated and regulated voltage converters in parallel but deriving input power from separate power supplies connected in series wherein regulated and unregulated...
01/18/2011
7870736Premixing injector for gas turbine engines
A premixing injector for use in gas turbine engines assists in the lean premixed injection of a gaseous fuel/air mixture into the combustor of a gas turbine. The premixing injector is designed to mix fuel and air at high velocities to eliminate the occurrence of fla...
01/18/2011
7867974Induction of tolerance by oral administration of factor VIII and treatment of hemophilia
Disclosed herein is a simple method for the treatment of antigen-deficiency diseases, by orally administering to a subject a therapeutically effective amount of the deficient antigen, wherein the antigen is not present in a liposome. In one embodiment, the method in...
01/11/2011
7862648Hydrothermally-stable silica-based composite membranes for hydrogen separation
Thin layers of a mixed composition are deposited on a porous substrate by chemical vapor deposition in an inert atmosphere at high temperature. The resulting membrane has excellent stability to water vapor at high temperatures. An exemplary membrane comprises an amo...
01/04/2011
7842298Avian hepatitis E virus, vaccines and methods of protecting against avian hepatitis-splenomegaly syndrome and mammalian hepatitis E
The present invention relates to a novel isolated avian hepatitis E virus having a nucleotide sequence set forth in SEQ ID NO:1 or its complementary strand. The invention further concerns immunogenic compositions comprising this new virus or recombinant products suc...
11/30/2010
7821375Multiphase voltage regulator having coupled inductors with reduced winding resistance
A multiple phase buck converter or boost converter, or buck-boost converter has an inductor in each phase. The inductors are inversely coupled. In a first embodiment, the converter includes a toroidal magnetic core with inductors extending under and over opposite si...
10/26/2010
7815919Fungus-induced inflammation and eosinophil degranulation
This document relates to methods and materials involved in fungus-induced inflammation and eosinophil degranulation. For example, isolated nucleic acids encoding fungal polypeptides, fungal polypeptides, methods for assessing fungus-induced inflammation, methods for...
10/19/2010
7804281Reducing common mode noise of power factor correction converters using general balance concept
Common mode (CM) noise is substantially canceled in a switching power supply circuit such as a boost converter by providing a split inductor and analyzing the switching power supply circuit as a bridge circuit formed of the switch, portions of the split inductor and...
09/28/2010
7801228Analog fourier transform channelizer and OFDM receiver
An OFDM receiver having an analog multiplier based I-Q channelizing filter, samples and holds consecutive analog I-Q samples of an I-Q baseband, the I-Q basebands having OFDM sub-channels. A lattice of analog I-Q multipliers and analog I-Q summers concurrently recei...
09/21/2010
7791321Coupled-inductor multi-phase buck converters
In a multi-phase power converter, efficiency is increased and ripple reduced while maintaining transient response and dynamic performance improved by electrically coupling secondary windings of transformers or provided for inductors of respective phases such that cu...
09/07/2010
7790837Ion-conducting sulfonated polymeric materials
Sulfonated polymers are made by the direct polymerization of a sulfonated monomer to form the sulfonated polymers. The types of sulfonated polymers may include polysulfones or polyimides. The sulfonated polymers can be formed into membranes that may be used in proto...
09/07/2010
7790314Sulfonated polymer composition for forming fuel cell electrodes
A membrane electrode assembly for a fuel cell is described. The materials for the membrane electrode assembly are formed from sulfonated polymers. A polymer dispersion ink containing the sulfonated polymer and a mixture of solvents is used to form the electrodes on ...
09/07/2010
7772013Enhancement of second-order non-linear optical susceptibilities in organic film materials using non-centrosymmetric nanoparticles
A non-linear optical material comprising a plurality of non-centrosymmetric nanoparticles juxtaposed to non-linear optical (NLO) film at a localized surface Plasmon resonance (LSPR) of the nanoparticles. The LSPR is resonant at a wavelength of an incident light sour...
08/10/2010
7771846Method and Apparatus for High-Permeability Magnetostrictive/Piezo-Fiber Laminates Having Colossal, Near-Ideal Magnetoelectricity
An ME composite laminate of at least one (1-3) piezo-fiber layer coupled with high-permeability alloy magnetostrictive layers, optionally formed of FeBSiC or equivalent. The composite laminate alternates the (1-3) piezo-fiber and high-permeability alloy magnetostric...
08/10/2010
7765034Location determination of power system disturbances based on frequency responses of the system
A system for detecting and locating a disturbance event within a power grid includes a series of frequency disturbance recorders (FDRs) taking measurements in the power grid at dispersed points of the power grid, an information management system, configured to recei...
07/27/2010
7762720Fabrication of miniature fiber-optic temperature sensors
A method of coupling a silica fiber and a sapphire fiber includes providing a silica fiber having a doped core and a cladding layer, with the doped core having a prescribed diameter, providing a sapphire fiber having a diameter less than the doped core, placing an e...
07/27/2010
7746675Asymmetrical interleaving strategy for multi-channel power converters
In a power converter having m=two or more channels of power factor correction (PFC) circuits connected in parallel and an electromagnetic interference (EMI) filter connected in series therewith, phase shifts in switching between the respective PFC channels can allow...
06/29/2010
7746041Non-isolated bus converters with voltage divider topology
A voltage converter having four switches Q1, Q2, Q3, Q4, connected in series and operated in pairs in a complementary fashion. An input voltage is provided across the four switches. A middle capacitor is connected in parallel with two mid...
06/29/2010
7744762Microfluidic devices and methods facilitating high-throughput, on-chip detection and separation techniques
The present invention provides a microfluidic device and method for facilitating on-chip complex sample processing and detection. In general, the device comprises at least a separation channel of a separation system, an interface, and an array of microreservoirs dis...
06/29/2010
7742318Multi-element resonant converters
A resonant switched power converter having switching frequency controlled in response to an output voltage thereof achieves over-current protection such as at start-up or under short circuit conditions using a resonant tank circuit which provides a notch filter in a...
06/22/2010
7741367Method of using abscisic acid to treat diseases and disorders
The present invention provides compositions and methods for treating and/or preventing diseases and disorders associated with expression of PPAR γ and/or infiltration of macrophages into skeletal muscle tissue and/or white adipose tissue. The method treats such dis...
06/22/2010
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