Patents Assigned to Georgia Tech Research Corporation
  • Publication number: 20210320320
    Abstract: Li-ion batteries are provided that include a cathode, an anode comprising active particles, an electrolyte ionically coupling the anode and the cathode, a separator electrically separating the anode and the cathode, and at least one hydrofluoric acid neutralizing agent incorporated into the anode or the separator. Li-ion batteries are also provided that include a cathode, an anode comprising active particles, an electrolyte ionically coupling the anode and the cathode, and a separator electrically separating the anode and the cathode, where the electrolyte may be formed from a mixture of an imide salt and at least one salt selected from the group consisting of LiPF6, LiBF4, and LiClO4. Li-ion battery anodes are also provided that include an active material core and a protective coating at least partially encasing the active material core, where the protective coating comprises a material that is resistant to hydrofluoric acid permeation.
    Type: Application
    Filed: June 23, 2021
    Publication date: October 14, 2021
    Applicant: Georgia Tech Research Corporation
    Inventors: Gleb YUSHIN, Bogdan ZDYRKO, Kara EVANOFF
  • Patent number: 11137250
    Abstract: A bulk acoustic wave resonator apparatus includes a resonator member, at least one anchor structure coupling the resonator member to a substrate, and a comb-drive element connected to the resonator member. The comb-drive element includes first comb fingers protruding from the resonator member, and second comb fingers of a different material than the first comb fingers interdigitated with the first comb fingers to define sub-micron capacitive gaps therebetween. Respective sidewalls of the first comb fingers are oppositely-tapered relative to respective sidewalls of the second comb fingers along respective lengths thereof, such that operation of the comb-drive element varies the sub-micron capacitive gaps at the respective sidewalls thereof. Related devices and fabrication methods are also discussed.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: October 5, 2021
    Assignee: Georgia Tech Research Corporation
    Inventors: Haoran Wen, Farrokh Ayazi
  • Patent number: 11137311
    Abstract: A sensing device includes a pressure sensor and a deformable cover. A fluid cavity engineered between the deformable cover and the pressure sensor changes shape and ultimately collapses as force is applied to the sensing device. The shape and collapse of the engineered cavity, along with the entire structure of deformable cover and the pressure sensor, govern the force vs. pressure behavior of the sensing device and can be tailored as desired. A first benefit includes providing tailored properties of the sensing device by varying the structure of the deformable cover. A second benefit includes that if too much force is applied, excess force—beyond that which is required to collapse the engineered cavity—does not produce excess pressure which would cause damage to the pressure sensor. As such the sensing device is protected from accidental, or intended, over loading.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: October 5, 2021
    Assignee: Georgia Tech Research Corporation
    Inventors: Claudio V. Di Leo, Mark F. Costello, Benjamin Leon, Julian Jose Rimoli
  • Patent number: 11126905
    Abstract: A semi-passive radio frequency identification (RFID) tag includes a digital circuit with switching components operating within an interrogation range of an incident carrier wave. A plurality of input connections and output connections direct data communications through the switching components within the digital circuit, and the data communications are subject to switching operations of the switching components between at least one of the input connections and at least one of the output connections. A backscatter response reflected from the digital circuit upon arrival of the incident carrier wave, wherein the backscatter response is a modulated backscatter response in the presence of the switching operations.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: September 21, 2021
    Assignee: Georgia Tech Research Corporation
    Inventors: Alenka Zajic, Chia-Lin Cheng, Luong N. Nguyen, Milos Z. Prvulovic
  • Patent number: 11123693
    Abstract: The present invention provides an asymmetric modified CMS hollow fiber membrane having improved gas separation performance properties and a process for preparing an asymmetric modified CMS hollow fiber membrane having improved gas separation performance properties. The process comprises treating a polymeric precursor fiber with a solution containing a modifying agent prior to pyrolysis. The concentration of the modifying agent in the solution may be selected in order to obtain an asymmetric modified CMS hollow fiber membrane having a desired combination of gas permeance and selectivity properties. The treated precursor fiber is then pyrolyzed to form an asymmetric modified CMS hollow fiber membrane having improved gas permeance.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: September 21, 2021
    Assignees: GEORGIA TECH RESEARCH CORPORATION, AIR LIQUIDE ADVANCED TECHNOLOGIES U.S., LLC
    Inventors: Nitesh Bhuwania, William John Koros, Paul Jason Williams
  • Patent number: 11124763
    Abstract: Systems and methods for culturing cells are disclosed. A system can comprise an auxetic scaffold substrate. The substrate can comprise scaffold units at least a portion of which comprise living cells. Scaffold units can be configured to transition between a contracted state and an expanded state. Units can comprise an interior void having a contracted volume in the contracted state and an expanded volume in the expanded state, in which the expanded volume is greater than the contracted volume. Units can be configured to pass a fluid into the interior void of the corresponding unit when the unit transitions from the contracted state to the expanded state. Units can be configured to pass the fluid out of the interior void of the corresponding unit when the unit transitions from the expanded state to the contracted state.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: September 21, 2021
    Assignee: Georgia Tech Research Corporation
    Inventors: Kan Wang, Ben Wang, Chun Zhang
  • Patent number: 11119141
    Abstract: Activity sensing in the home has a variety of important applications, including healthcare, entertainment, home automation, energy monitoring and post-occupancy research studies. Many existing systems for detecting occupant activity require large numbers of sensors, invasive vision systems, or extensive installation procedures. Disclosed is an approach that uses a single plug-in sensor to detect a variety of electrical events throughout the home. This sensor detects the electrical noise on residential power tines created by the abrupt switching of electrical devices and the noise created by certain devices while in operation. Machine learning techniques are used to recognize electrically noisy events such as turning on or off a particular light switch, a television set, or an electric stove. The system has been tested to evaluate system performance over time and in different types of houses. Results indicate that various electrical events can be learned and classified with accuracies ranging from 85-90%.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: September 14, 2021
    Assignee: GEORGIA TECH RESEARCH CORPORATION
    Inventors: Shwetak N. Patel, Thomas M. Robertson, Gregory D. Abowd, Matthew S. Reynolds
  • Patent number: 11120889
    Abstract: Endonucleases play an essential role in genetic engineering and molecular biology. A major barrier to the clinical adoption of nucleases and engineered nucleases remain the overall lack of specificity and activity. Off-site cleavage, cleavage at loci other than the target loci, typically occurs resulting in mutations, unexpected gene-knockouts, or translocations. Provided herein are systems and methods for identifying the off-site cleavage loci and predicting the activity of engineered endonucleases for a given genome. It is expected that these tools and methods will be useful for designing nucleases and other related DNA binding domains (e.g. TAL effectors) for genomic therapy and engineering.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 14, 2021
    Assignee: GEORGIA TECH RESEARCH CORPORATION
    Inventors: Eli Fine, Thomas J. Cradick, Yanni Lin, Gang Bao
  • Patent number: 11116729
    Abstract: Lipid nanoparticles and compositions thereof are disclosed herein. An exemplary nanoparticle composition includes an ionizable lipid, a phospholipid, a PEG-lipid, and a cholesterol modified with a hydroxyl group near the D-sterol ring. The disclosed nanoparticle compositions can target liver Kupffer cells and endothelial cells more preferentially than hepatocytes which should be beneficial in treating liver diseases in which dysfunctional Kupffer cells and endothelial cells are involved in disease pathogenesis.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: September 14, 2021
    Assignee: Georgia Tech Research Corporation
    Inventors: James Dahlman, Kalina Paunovska
  • Patent number: 11110197
    Abstract: Disclosed herein are surgical suture materials that facilitate the sustained delivery of releasable components. The suture materials are processed by the disclosed methods to create a layer of pores extending inward from the outer surface of the suture. Particularly, the surgical suture materials are swollen in a calcium-ion containing solution, then freeze-dried to create pores which can be filled with a releasable component for ultimate delivery to the tissue. In one particular embodiment, the suture has an outer sheath that defines a lumen. Elongated filaments extend through the lumen. This suture embodiment is processed by the disclosed methods to yield a surgical suture material with a porous outer sheath. The pores enable efficient loading of a releasable component into the lumen, facilitating sustained delivery of the releasable component from the suture.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: September 7, 2021
    Assignees: Georgia Tech Research Corporation, Washington University
    Inventors: Younan Xia, Jianhua Li, Stavros Thomopoulos, Stephen Linderman, Chunlei Zhu
  • Patent number: 11111626
    Abstract: A machine for fabricating three-dimensional interlaced composite components including a frame, a deposition surface, a first set of two or more warp heads, a second set of two or more of warp heads, and a weft inserter. An interlaced composite component including a first set of two or more warp filaments parallel to each other and a first set of two or more weft filaments parallel to each other. Warp filaments are interlaced with, and bonded to, weft filaments. Warp filaments and weft filaments are interlaced in at least two different weave patterns. Warp filaments and weft filaments are continuous, and the weave patterns transition from one pattern to another.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: September 7, 2021
    Assignee: Georgia Tech Research Corporation
    Inventors: Christopher Marc Oberste, Ben Wang, Kan Wang
  • Patent number: 11114671
    Abstract: Core-shell nanostructures with platinum overlayers conformally coating palladium nano-substrate cores and facile solution-based methods for the preparation of such core-shell nanostructures are described herein. The obtained Pd@Pt core-shell nanocatalysts showed enhanced specific and mass activities towards oxygen reduction, compared to a commercial Pt/C catalyst.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: September 7, 2021
    Assignee: Georgia Tech Research Corporation
    Inventors: Younan Xia, Shuifen Xie, Sang-Il Choi, Xue Wang, Jinho Park, Lei Zhang
  • Patent number: 11097273
    Abstract: The disclosed technology includes devices and methods for detecting rare cells in whole blood samples using a microfluidic device. Such devices include a housing with a microfluidic chamber having first and second microfluidic layers, each microfluidic layer having an array of microscale structure. Other disclosed devices also include a housing including a chemically functionalized hydrogel matrix and a pump connected to the housing. Disclosed methods include constructing, with an additive manufacturing device, a microfluidic device having a microfluidic chamber, removing, by a thermal release process, at least some of the sacrificial support material deposited by the additive manufacturing device, and chemically functionalizing at least a portion of the microfluidic chamber. Other disclosed methods include chemically functionalizing a hydrogel matrix and connecting the chemically functionalized hydrogel matrix to a pump.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: August 24, 2021
    Assignee: GEORGIA TECH RESEARCH CORPORATION
    Inventors: Ali Fatih Sarioglu, Chia-Heng Chu, Ruxiu Liu, Tevhide Ozkaya-Ahmadov
  • Patent number: 11097226
    Abstract: Systems, devices and methods for molecular separation including a molecular separation device comprising at least a polycrystalline metal-organic framework (MOF) and a nanocrystalline, zeolite MFI, wherein the MOF forms a polycrystalline membrane with zeolite MFI nanoparticles dispersed therein, and the MOF membrane matrix contacting and surrounding the zeolite MFI nanoparticles form a permselective nanoporous structure.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: August 24, 2021
    Assignees: Phillips 66 Company, Georgia Tech Research Corporation
    Inventors: Sankar Nair, Christopher W. Jones, Fereshteh Rashidi, Ali Asghar Rownaghi
  • Patent number: 11084000
    Abstract: The invention is an improved method of making a carbon molecular sieve (CMS) membrane in which a polyimide precursor polymer is pyrolyzed to form a carbon molecular sieve membrane by heating, in a furnace, said polyimide precursor polymer to a final pyrolysis temperature of 600 C to 700 C at a pyrolysis heating rate of 3 to 7 C/minute from 400 C to the final pyrolysis temperature, the final pyrolysis temperature being held for a pyrolysis time of at most 60 minutes in a non-oxidizing atmosphere. In a particular embodiment, the cooling rate from the pyrolysis temperature is accelerated by methods to remove heat. The CMS membranes have shown an improved combination of selectivity and permeance as well as being particularly suitable to separate gases in gas streams such methane from natural gas, oxygen from air and ethylene or propylene from light hydrocarbon streams.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: August 10, 2021
    Assignees: Dow Global Technologies LLC, Georgia Tech Research Corporation
    Inventors: John Hessler, William J. Koros, Liren Xu, Mark K. Brayden, Marcos V. Martinez
  • Patent number: 11085060
    Abstract: Provided herein are biocatalysts and systems thereof for pterin-dependent enzymes and pathways and methods of making and using the same. Provided herein in some embodiments are biocatalysts having a pterin source and a pterin-dependent enzymatic pathway biologically coupled to the pterin source. Tetrahydrobiopterin (referred to herein as BH4 or BH 4) can be the pterin source. The BH4 can be synthesized by a tetrahydrobiopterin synthesis pathway. The tetrahydrobiopterin synthesis pathway can include a GTP cyclohydrase; a pyruvoyl tetrahydropterin synthase; a sepiapterin reductase, and/or any combination thereof. The biocatalyst can further contain a pterin-dependent enzymatic pathway. The pterin-dependent enzymatic pathway can be amino acid mono-oxygenase, phenylalanine hydroxylase, tryptophan hydroxylase, tyrosine hydroxylase, nitric oxide synthase, alkylglycerol monooxygenase, and/or any combination thereof.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: August 10, 2021
    Assignee: GEORGIA TECH RESEARCH CORPORATION
    Inventors: Pamela Peralta-Yahya, Amy M. Ehrenworth
  • Publication number: 20210229030
    Abstract: The invention is an improved method of making an improved carbon molecular sieve (CMS) membrane in which a precursor polymer (e.g., polyimide) is pyrolyzed at a pyrolysis temperature to form a CMS membrane that is cooled to ambient temperature (about 40° C. or 30° C. to about 20° C.). The CMS membrane is then reheated to a reheating temperature less than the pyrolysis temperature to form the improved CMS membrane. The improved CMS membranes have shown an improved combination of selectivity and permeance as well as stability for separating hydrogen from gas molecules (e.g., methane, ethane, propane, ethylene, propylene, butane, carbon dioxide, nitrogen, butylene, and combinations thereof).
    Type: Application
    Filed: April 3, 2019
    Publication date: July 29, 2021
    Applicants: Dow Global Technologies LLC, Georgia Tech Research Corporation
    Inventors: Justin T. Vaughn, Wulin Qiu, William J. Koros, Liren Xu, Mark K. Brayden, Marcos V. Martinez
  • Patent number: 11075383
    Abstract: Material compositions are provided that may comprise, for example, a vertically aligned carbon nanotube (VACNT) array, a conductive layer, and a carbon interlayer coupling the VACNT array to the conductive layer. Methods of manufacturing are provided. Such methods may comprise, for example, providing a VACNT array, providing a conductive layer, and bonding the VACNT array to the conductive layer via a carbon interlayer.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: July 27, 2021
    Assignee: GEORGIA TECH RESEARCH CORPORATION
    Inventors: Gleb Nikolayevich Yushin, Kara Linn Evanoff
  • Patent number: 11071494
    Abstract: Multi-modal sensing relating to joint acoustic emission and joint bioimpedance. Custom-design analog electronics and electrodes provide high resolution sensing of bioimpedance, microphones and their front-end electronics for capturing sound signals from the joints, rate sensors for identifying joint motions (linear and rotational), and a processor unit for interpretation of the signals. These components are packed into a wearable form factor, which also encapsulates the hardware required to minimize the negative effects of motion artifacts on the signals.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: July 27, 2021
    Assignee: Georgia Tech Research Corporation
    Inventors: Omer T. Inan, Michael N. Sawka, Jennifer O. Hasler, Hakan Toreyin, Mindy L. Millard-Stafford, Geza Kogler, Sinan Hersek, Caitlin Teague, Hyeon Ki Jeong, Maziyar Baran Pouyan
  • Patent number: 11070929
    Abstract: Low-cost hearing aid platforms that are customizable for specific user needs are disclosed. An exemplary hearing aid platform includes an electret microphone, an amplifier, a capacitor, a printable circuit board (PCB), an audio output, and a housing for the components. The hearing aid platform may comprise customizable gain settings and safety features such as automatic gain control. In some embodiments, the hearing aid platform may connect to headphones. In some embodiments, the hearing aid platform may connect to a bone transducer. Devices described herein also may include housings that are customizable for a user's needs and/or personality.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: July 20, 2021
    Assignee: GEORGIA TECH RESEARCH CORPORATION
    Inventors: M. Saad Bhamla, Soham Sinha