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Virginia Tech Intellectual Properties Inc
Virginia Tech Intellectual Properties Inc A Virginia Non stock Corporation

Virginia Tech Intellectual Properties Inc patents


Recent patent applications related to Virginia Tech Intellectual Properties Inc. Virginia Tech Intellectual Properties Inc is listed as an Agent/Assignee. Note: Virginia Tech Intellectual Properties Inc may have other listings under different names/spellings. We're not affiliated with Virginia Tech Intellectual Properties Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "V" | Virginia Tech Intellectual Properties Inc-related inventors


Irreversible electroporation using tissue vasculature to treat aberrant cell masses or create tissue scaffolds

The present invention relates to the field of medical treatment of diseases and disorders, as well as the field of biomedical engineering. Embodiments of the invention relate to the delivery of Irreversible Electroporation (IRE) through the vasculature of organs to treat tumors embedded deep within the tissue or organ, or... Virginia Tech Intellectual Properties Inc

Cooler with emi-limiting inductor

A power device package includes a dielectric substrate having an upper conductor layer and a lower conductor layer, a semiconductor die coupled to the upper conductor layer of the dielectric substrate via conductive adhesive, a cooler including a protruding hillock having a top surface and outer sides, the lower conductor... Virginia Tech Intellectual Properties Inc

Variable dc link converter and transformer for wide output voltage range applications

A variable direct current (DC) link power converter is described. In one example, the power converter includes a first converter stage configured to convert power from a power source to power at an intermediate link voltage and a second converter stage configured to convert the power at the intermediate link... Virginia Tech Intellectual Properties Inc

Method for jointly adapting an ofdm waveform and the demodulator for interference mitigation and harsh channels

The present invention provides a method and system for a processing multicarrier signal to create a spectral correlation across multiple antennas. The system includes at least one transmitter adapted to create a plurality of symbols, each symbol representing one or more bits from a plurality of bitstreams. The transmitter creates... Virginia Tech Intellectual Properties Inc

Polymeric materials and articles manufactured there from

A method for manufacturing a three dimensional object includes steps of: providing a digital description of the object as a set of voxels; sequentially creating an actual set of voxels corresponding to the digital set of voxels. At least one voxel comprises a polymer derived from: polyol and an ionic... Virginia Tech Intellectual Properties Inc

Interface converter common mode voltage control

Aspects of interface converter common mode (CM) voltage control are described. In one embodiment, a bi-directional alternating current (AC) to direct current (DC) interface converter system includes an AC-DC converter between an AC power system and an interface link and a DC-DC converter between a DC power system and the... Virginia Tech Intellectual Properties Inc

Apparatus for dewatering and demineralization of fine particles

Hydrophobic particles such as coal and hydrophobized mineral fines can be readily separated from hydrophilic impurities by forming agglomerates in water using a hydrophobic liquids such as oil. The agglomerates of hydrophobic particles usually entrap large amounts of water, causing the moisture of the recovered hydrophobic particles to be excessively... Virginia Tech Intellectual Properties Inc

Cleaning and dewatering fine coal

Fine coal is cleaned of its mineral matter impurities and dewatered by mixing the aqueous slurry containing both with a hydrophobic liquid, subjecting the mixture to a phase separation. The resulting hydrophobic liquid phase contains coal particles free of surface moisture and droplets of water stabilized by coal particles, while... Virginia Tech Intellectual Properties Inc

Parallel devices having balanced switching current and power

A power circuit includes a power source for providing electrical power and two driving transistors being disposed in parallel and receiving electrical power from the power source. Each of the two driving transistors includes a gate terminal, a source connection, and a kelvin source connection. The power circuit also includes... Virginia Tech Intellectual Properties Inc

Devices, systems, and methods for real-time monitoring of electrophysical effects during tissue treatment

Provided herein are devices, systems, and methods for monitoring lesion or treated area in a tissue during focal ablation or cell membrane disruption therapy. Provided herein are embodiments of an electrical conductivity sensor having an impedance sensor, where the impedance sensor can be configured to measure a low-frequency and a... Virginia Tech Intellectual Properties Inc

Polycarbonate-polyolefin block copolymers and methods of making them

A polycarbonate-polyolefin block copolymer and a process to form a polycarbonate-polyolefin block copolymer by combining mono- or di-hydroxyaryl with vinyl/vinylidene terminated polyolefin to form a polyolefin hydroxyaryl moiety, and combining the polyolefin hydroxyaryl moiety with di-hydroxyaryl and di-substituted carbonyl monomers to form a polycarbonate-polyolefin block copolymer.... Virginia Tech Intellectual Properties Inc

Using power fingerprinting (pfp) to monitor the integrity and enhance security of computer based systems

Procedures are described for enhancing target system execution integrity determined by power fingerprinting (PFP): by integrating PFP into the detection phase of comprehensive defense-in-depth security; by deploying a network of PFP enabled nodes executing untrusted devices with predefined inputs forcing a specific state sequence and specific software execution; by embedding... Virginia Tech Intellectual Properties Inc

Stem cell compositions, systems and uses thereof

Described herein are stem cells and stem cell compositions that can be used to treat soft tissue injuries, including tendon and ligament injuries. Also described herein are cellular scaffolds that can contain a stem cell or stem cell compositions described herein. Also described herein are soft tissue bioreactor devices. Also... Virginia Tech Intellectual Properties Inc

Sphingosine kinase inhibitors

Sphingosine kinases are enzymes that catalyze the biosynthesis of sphingosine-1-phosphate. The invention provides compounds that are effective for inhibition of sphingosine kinase type 1, sphingosine kinase type 2, or both. Certain compounds are selective for sphingosine kinase type 2 relative to sphingosine kinase type 1. Compounds of the invention can... Virginia Tech Intellectual Properties Inc

Method and current/power balancing

Aspects of the disclosure provide a system having a power circuit. The power circuit includes a first switch circuit having at least a first transistor and a second switch circuit having at least a second transistor. Further, the power circuit includes first interconnections configured to couple the first switch circuit... Virginia Tech Intellectual Properties Inc

Multiphase coupled and integrated inductors with printed circuit board (pcb) windings for power factor correction (pfc) converters

A power factor correction (PFC) power converter, particularly of a multiphase totem-pole or other topology presenting a switching bridge that can potentially provide bi-directional power transfer control, reduces a nominal switching frequency and achieves zero voltage switching over an increased portion of a half line cycle by providing positive or... Virginia Tech Intellectual Properties Inc

Transmitting wideband signals through an electrically small antenna using antenna modulation

The present invention provides methods and devices to radiate wideband signals. The devices may include a tunable high Q narrowband antenna having a plurality of ports including a feed port and a tuning port as well as a tuning element coupled to the tuning port of the antenna. One or... Virginia Tech Intellectual Properties Inc

Selective modulation of intracellular effects of cells using pulsed electric fields

A system and method for selectively treating aberrant cells such as cancer cells through administration of a train of electrical pulses is described. The pulse length and delay between successive pulses is optimized to produce effects on intracellular membrane potentials. Therapies based on the system and method produce two treatment... Virginia Tech Intellectual Properties Inc

Gelation, aerogel formation and reactions thereof to produce non-random functionalization of poly (aryl ether ketones)

The present invention provides a gel comprising a physical network formed of polymer chain crystallites interconnected by amorphous chain segments. Functionalization of the chain segments between the crystallites forms a blocky distribution of functionality along the chain whereby the functionalities are concentrated in groups consisting of one or more functionalities,... Virginia Tech Intellectual Properties Inc

Multivalent brucella vaccine for protection against mycobacterial infections and methods of using the same

Provided herein is a multivalent Brucella vaccine expressing at least one heterologous M. tuberculosis antigen. The vaccines described herein serve as an environmentally safe bivalent vaccine for protection against Brucella and Mycobacterium infections simultaneously. In particular, a multivalent vaccine comprising a Brucella strain transformed with a vector that expresses at... Virginia Tech Intellectual Properties Inc

Automated program synthesis from natural language for domain specific computing applications

Disclosed are various embodiments for automated program synthesis from a natural language for domain specific computing applications. In one embodiment, a natural language processor may be configured to parse words from a sentence of text formed in a natural language, such as English, following a grammatical structure for the natural... Virginia Tech Intellectual Properties Inc

Omnidirectional wireless power transfer system

In one example, an omnidirectional wireless power transfer system includes high frequency power generator configured to generate a supply of high frequency oscillating power, a number of transmitter-side resonant tank circuits electrically coupled to the high frequency power generator, a receptacle including a number of coils arranged for omnidirectional power... Virginia Tech Intellectual Properties Inc

Irreversible electroporation to create tissue scaffolds

The present invention provides engineered tissue scaffolds, engineered tissues, and methods of using them. The scaffolds and tissues are derived from natural tissues and are created using non-thermal irreversible electroporation (IRE). Use of IRE allows for ablation of cells of the tissue to be treated, but allows vascular and neural... Virginia Tech Intellectual Properties Inc

Energy-efficient extraction of acid gas from flue gases

An energy-efficient method of removing carbon dioxide, hydrogen sulfide, and other acid gases from a stream of flue gases. The flue stream is contacted with a predetermined sorbent system to remove acid gases from the flue stream. The acid gas-rich sorbent is then heated to desorb the acid gas for... Virginia Tech Intellectual Properties Inc

Irreversible electroporation to create tissue scaffolds

The present invention provides engineered tissue scaffolds, engineered tissues, and methods of using them. The scaffolds and tissues are derived from natural tissues and are created using non-thermal irreversible electroporation (IRE). Use of IRE allows for ablation of cells of the tissue to be treated, but allows vascular and neural... Virginia Tech Intellectual Properties Inc

Live attenuated chimeric porcine circovirus vaccine

The present invention provides a novel chimeric porcine circovirus infectious DNA clone and live attenuated chimeric virus with the PCV2, preferably of subtype PCV2b, capsid gene integrated into a non-pathogenic PCV1 virus genome. In a particular embodiment, the PCV2 capids gene is of subtype PCV2b, the predominant subtype circulating in... Virginia Tech Intellectual Properties Inc

Power switch drivers with equalizers for paralleled switches

Capacitors connected between gate terminals of a plurality of parallel-connected power transistors are charged and discharged in each switching cycle to provide a plurality of power transistor control waveforms from a single gate driver waveform that equalize power losses/temperatures or steady-state currents among the plurality of power transistors. The capacitors... Virginia Tech Intellectual Properties Inc

Systems and methods for optically guided placement and monitoring of medical implants

Described herein are systems and corresponding methods to place and further monitor an implanted medical device. The implanted device includes a fluorescent material that is disposed on a portion of a tip of the device. The system also includes a skin patch having one or more infrared light detectors configured... Virginia Tech Intellectual Properties Inc

Noise reduction surface treatment for airfoil

The present invention relates to airfoils having surface treatments to reduce trailing edge noise. The surface treatment is designed to reduce trailing edge noise by modifying the boundary layer turbulence as it approaches the trailing edge. The surface treatment accomplishes its function by breaking up spanwise-oriented turbulence approaching the trailing... Virginia Tech Intellectual Properties Inc

Non-linear droop control

Aspects of non-linear droop control are described herein. In one embodiment, a system includes a first power converter or source configured to provide power to a bus, a second power converter or source configured to provide power to the bus, and a load electrically coupled to the bus. The system... Virginia Tech Intellectual Properties Inc

Method of separating and de-watering fine particles

A process for cleaning and dewatering hydrophobic particulate materials is presented. The process is performed in in two steps: 1) agglomeration of the hydrophobic particles in a first hydrophobic liquid/aqueous mixture; followed by 2) dispersion of the agglomerates in a second hydrophobic liquid to release the water trapped within the... Virginia Tech Intellectual Properties Inc

Polybenzimidazoles and methods of making and using thereof

Disclosed are polybenzimidazoles containing sulfonyl groups. The polymers can be synthesized in Eaton's reagent from 3,3′,4,4′-tetraaminodiphenylsulfone, which itself can be synthesized from 4,4′-dichlorodiphenylsulfone. Methods of synthesizing the polymers are disclosed. The disclosed polymers can be used for high temperature H2/CO2 separation membranes and other uses.... Virginia Tech Intellectual Properties Inc

Wireless communication device using time-variant antenna module

Embodiments of the present disclosure describe methods, apparatuses, and systems related to a wireless communication device using time-variant antenna. Other embodiments may be described and/or claimed.... Virginia Tech Intellectual Properties Inc

Keratin nanomaterials and methods of production

The present disclosure relates to keratin nanomaterials, methods for obtaining keratin nanomaterials, and biomaterials made from keratin nanomaterials. In particular, keratin nanomaterials comprising Type I and Type II monomer pairs are disclosed as well as a method for obtaining keratin nanomaterials comprising obtaining a solution of keratin and processing the... Virginia Tech Intellectual Properties Inc

Modular multilevel converter capacitor voltage ripple reduction

Aspects of capacitor voltage ripple reduction in modular multilevel converters are described herein. In one embodiment, a power converter system includes a modular multilevel converter (MMC) electrically coupled and configured to convert power between two different power systems. The MMC includes one or more phase legs having a cascade arrangement... Virginia Tech Intellectual Properties Inc

02/16/17 / #20170045455

System and monitoring the health of dialysis patients

A system and method for monitoring the health of dialysis patients with Raman spectroscopy measurements of one or more target analytes is described. The methods include irradiating one or more fluids of interest with light to produce one or more spectrum and detecting the spectrum with a detector. The fluids... Virginia Tech Intellectual Properties Inc

02/09/17 / #20170040674

Plug-and-play time-variant antenna module for wireless communication devices

A plug-and-play antenna may be used with many different types of wireless communication devices. An antenna may be coupled to an impedance tuning component and a waveform generator. A calibration control module receives radio status information, controls the waveform generator to vary a response of the antenna, and tunes the... Virginia Tech Intellectual Properties Inc

01/26/17 / #20170026210

Wideband frequency shift modulation using transient state of antenna

Described herein are architectures, platforms and methods for implementing modulating a radiating signal of a high Q antenna in order to transmit from one frequency to one or more different frequencies which may be in the same narrow band frequency spectrum or in a wide band frequency spectrum.... Virginia Tech Intellectual Properties Inc








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