Patents by Inventor Brett A. Helms

Brett A. Helms has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230308458
    Abstract: Structured Data Discovery and Cryptographic Analysis. In an embodiment, transport sessions are assembled from raw packets captured in network traffic. Data is extracted from two or more encapsulation layers of each transport session. In particular, each encapsulation layer may be classified into a protocol, and data may be extracted from the encapsulation layer based on the protocol. For example, cryptographic metadata may be extracted from a cryptographic encapsulation layer. The extracted data is incorporated into a data model of the network, which comprises tallies of traffic within the network, grouped according to a plurality of dimensions. Analytic model(s) may be applied to the data model to, for example, generate a data web of the network that represents structured data stores and data flows to and/or from the data stores within the network.
    Type: Application
    Filed: July 27, 2021
    Publication date: September 28, 2023
    Inventors: Eric Varsanyi, Brett Helm
  • Patent number: 11329304
    Abstract: Intermittent energy sources, including solar and wind, require scalable, low-cost, multi-hour energy storage solutions to be effectively incorporated into the grid. Redox-flow batteries offer a solution, but suffer from rapid capacity fade and low Coulombic efficiency due to the high permeability of redox-active species across the battery's membrane. Here we show that active-species crossover can be arrested by scaling the membrane's pore size to molecular dimensions and in turn increasing the size of the active material to be above the membrane's pore-size exclusion limit. When oligomeric redox-active organic molecules were paired with microporous polymer membranes, the rate of active-material crossover was either completely blocked or slowed more than 9,000-fold compared to traditional separators at minimal cost to ionic conductivity. In the case of the latter, this corresponds to an absolute rate of ROM crossover of less than 3 ?mol cm?2 day?1 (for a 1.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: May 10, 2022
    Assignees: The Regents of the University of California, The Board of Trustees of the University of Illinois
    Inventors: Brett A. Helms, Sean E. Doris, Ashleigh L. Ward, Peter D. Frischmann, Etienne Chenard, Nagarjuna Gavvalapalli, Jeffrey S. Moore
  • Patent number: 11318455
    Abstract: Polymers of intrinsic microporosity are provided herein. Disclosed polymers of intrinsic microporosity include modified polymers of intrinsic microporosity that include negatively charged sites or crosslinking between monomer units. Systems making use of polymers of intrinsic microporosity and modified polymers of intrinsic microporosity are also described, such as electrochemical cells and ion separation systems. Methods for making and using polymers of intrinsic microporosity and modified polymers of intrinsic microporosity are also disclosed.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: May 3, 2022
    Assignee: The Regents of the University of California
    Inventors: Brett A. Helms, Changyi Li, Ashleigh Ward, Sean E. Doris, Peter D. Frischmann
  • Publication number: 20210309802
    Abstract: The present disclosure is directed to raicroporous ladder polymers containing amine-functionalized monomer segments, amidoxime-functionalized monomer segments, or a combination thereof. Monomer compounds for preparation of the polymers are also described, as well as membranes and electrochemical cells containing the polymers.
    Type: Application
    Filed: August 16, 2019
    Publication date: October 7, 2021
    Inventors: Brett A. Helms, Swagat Sahu, Miranda J. Baran, Miles N. Braten, Mark E. Carrington, Stephen M. Meckler
  • Publication number: 20200306745
    Abstract: Polymers of intrinsic microporosity are provided herein. Disclosed polymers of intrinsic microporosity include modified polymers of intrinsic microporosity that include negatively charged sites or crosslinking between monomer units. Systems making use of polymers of intrinsic microporosity and modified polymers of intrinsic microporosity are also described, such as electrochemical cells and ion separation systems. Methods for making and using polymers of intrinsic microporosity and modified polymers of intrinsic microporosity are also disclosed.
    Type: Application
    Filed: June 10, 2020
    Publication date: October 1, 2020
    Inventors: Brett A. Helms, Changyi Li, Ashleigh Ward, Sean E. Doris, Peter D. Frischmann
  • Publication number: 20200283415
    Abstract: The present invention relates to a composition of polymers comprising dynamic covalent diketoenamine bonds.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 10, 2020
    Applicant: The Regents of the University of California
    Inventors: Brett A. Helms, Peter R. Christensen
  • Patent number: 10727488
    Abstract: Metal-sulfur energy storage devices also comprising new redox mediator compounds are described.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: July 28, 2020
    Assignees: The Massachusetts Institute of Technology, The Regents of the University of California
    Inventors: Brett A. Helms, Peter D. Frischmann, Yet-Ming Chiang, Frank Y. Fan, Sean E. Doris, Laura C. H. Gerber
  • Patent number: 10710065
    Abstract: Polymers of intrinsic microporosity are provided herein. Disclosed polymers of intrinsic microporosity include modified polymers of intrinsic microporosity that include negatively charged sites or crosslinking between monomer units. Systems making use of polymers of intrinsic microporosity and modified polymers of intrinsic microporosity are also described, such as electrochemical cells and ion separation systems. Methods for making and using polymers of intrinsic microporosity and modified polymers of intrinsic microporosity are also disclosed.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: July 14, 2020
    Assignee: The Regents of the University of California
    Inventors: Brett A. Helms, Changyi Li, Ashleigh Ward, Sean E. Doris, Peter D. Frischmann
  • Patent number: 10683419
    Abstract: To address the need for multi-functional binders specifically tailored for sulfur cathodes ?-stacked perylene bisimide (PBI) molecules are repurposed as redox-active supramolecular binders in sulfur cathodes for Li—S cells. In operando lithiation of PBI binders permanently reduces Li—S cell impedance enabling high-rate cycling, a critical step toward unlocking the full potential of Li—S batteries.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: June 16, 2020
    Assignee: The Regents of the University of California
    Inventors: Brett A. Helms, Peter D. Frischmann, Yoon Hwa, Elton J. Cairns
  • Patent number: 10241045
    Abstract: Spectrally encoded microbeads and methods and devices for making and using spectrally encoded microbeads are provided. The disclosed methods and devices facilitate the preparation and use of microbeads containing multiple lanthanide nanoparticles, which microbeads have uniquely identifiable spectral codes. The disclosed microbeads, and the methods and devices for making and using same, find use in multiplexing and high-throughput biomarker analysis.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: March 26, 2019
    Assignee: The Regents of the University of California
    Inventors: Brian Cullen Baxter, Joseph L. Derisi, Polly M. Fordyce, Rachel E. Gerver, Rafael Gòmez-Sjöberg, Brett A. Helms, Kurt S. Thorn, Ronald N. Zuckermann
  • Publication number: 20180085744
    Abstract: Polymers of intrinsic microporosity are provided herein. Disclosed polymers of intrinsic microporosity include modified polymers of intrinsic microporosity that include negatively charged sites or crosslinking between monomer units. Systems making use of polymers of intrinsic microporosity and modified polymers of intrinsic microporosity are also described, such as electrochemical cells and ion separation systems. Methods for making and using polymers of intrinsic microporosity and modified polymers of intrinsic microporosity are also disclosed.
    Type: Application
    Filed: April 1, 2016
    Publication date: March 29, 2018
    Inventors: Brett A. Helms, Changyi Li, Ashleigh Ward, Sean E. Doris, Peter D. Frischmann
  • Publication number: 20170346104
    Abstract: Intermittent energy sources, including solar and wind, require scalable, low-cost, multi-hour energy storage solutions to be effectively incorporated into the grid. Redox-flow batteries offer a solution, but suffer from rapid capacity fade and low Coulombic efficiency due to the high permeability of redox-active species across the battery's membrane. Here we show that active-species crossover can be arrested by scaling the membrane's pore size to molecular dimensions and in turn increasing the size of the active material to be above the membrane's pore-size exclusion limit. When oligomeric redox-active organic molecules were paired with microporous polymer membranes, the rate of active-material crossover was either completely blocked or slowed more than 9,000-fold compared to traditional separators at minimal cost to ionic conductivity. In the case of the latter, this corresponds to an absolute rate of ROM crossover of less than 3 ?mol cm?2 day?1 (for a 1.
    Type: Application
    Filed: May 26, 2017
    Publication date: November 30, 2017
    Inventors: Brett A. Helms, Sean E. Doris, Ashleigh L. Ward, Peter D. Frischmann, Etienne Chenard, Nagarjuna Gavvalapalli, Jeffrey S. Moore
  • Patent number: 9798214
    Abstract: Methods of charging an electrochromic device includes post assembly charging using a sacrificial redox agent, lithium diffusion into an electrode from a lithium layer or salt bridge charging, or pre assembly charging using proton photoinjection into an electrode.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: October 24, 2017
    Assignee: HELIOTROPE TECHNOLOGIES INC.
    Inventors: Guillermo Garcia, Jason Holt, Evelyn Rosen, Brett Helms
  • Publication number: 20170279122
    Abstract: To address the need for multi-functional binders specifically tailored for sulfur cathodes ?-stacked perylene bisimide (PBI) molecules are repurposed as redox-active supramolecular binders in sulfur cathodes for Li—S cells. In operando lithiation of PBI binders permanently reduces Li—S cell impedance enabling high-rate cycling, a critical step toward unlocking the full potential of Li—S batteries.
    Type: Application
    Filed: March 23, 2017
    Publication date: September 28, 2017
    Applicant: The Regents of the University of California
    Inventors: Brett A. Helms, Peter D. Frischmann, Yoon Hwa, Elton J. Cairns
  • Publication number: 20170222226
    Abstract: Metal-sulfur energy storage devices also comprising new redox mediator compounds are described.
    Type: Application
    Filed: August 11, 2015
    Publication date: August 3, 2017
    Inventors: Brett A. Helms, Peter D. Frischmann, Yet-Ming Chiang, Frank Y. Fan, Sean E. Doris, Laura C.H. Gerber
  • Publication number: 20160246153
    Abstract: Methods of charging an electrochromic device includes post assembly charging using a sacrificial redox agent, lithium diffusion into an electrode from a lithium layer or salt bridge charging, or pre assembly charging using proton photoinjection into an electrode.
    Type: Application
    Filed: February 17, 2016
    Publication date: August 25, 2016
    Inventors: Guillermo GARCIA, Jason HOLT, Evelyn ROSEN, Brett HELMS
  • Patent number: 9284188
    Abstract: A facile procedure to deliver nanocrystals to the cytosol of live cells that is both rapid and general. The technique employs a unique cationic core-shell polymer colloid that directs nanocrystals to the cytosol of living cells within a few hours of incubation. The present methods and compositions enable a host of advanced applications arising from efficient cytosolic delivery of nanocrystal imaging probes: from single particle tracking experiments to monitoring protein-protein interactions in live cells for extended periods.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: March 15, 2016
    Assignee: The Regents of the University of California
    Inventors: Brett A. Helms, Andrea R. Bayles
  • Patent number: 9207513
    Abstract: Described is an electrochromic nanocomposite film comprising a solid matrix of an oxide based material, the solid matrix comprising a plurality of transparent conducting oxide (TCO) nanostructures dispersed in the solid matrix and a lithium salt dispersed in the solid matrix. Also described is a near infrared nanostructured electrochromic device having a functional layer comprising the electrochromic nanocomposite film.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 8, 2015
    Assignee: The Regents of the University of California
    Inventors: Delia Milliron, Evan Runnerstrom, Brett Helms, Anna Llordes, Raffaella Buonsanti, Guillermo Garcia
  • Publication number: 20150298988
    Abstract: Materials, methods to prepare, and methods of use for ionic nanocrystalline inorganic materials and hybrid composites thereof are described herein. A preferred embodiment comprises native ligand stripping under equilibrium control, where reversible Lewis acid-base chemistry is used to generate adduct-stabilized surfaces during ligand stripping. Through a preferred embodiment, the generation of physisorbed anionic species that stabilize the nanocrystal surface until coordinating solvent is able to repassivate the surface.
    Type: Application
    Filed: April 20, 2015
    Publication date: October 22, 2015
    Inventors: Brett A. Helms, Sean E. Doris, Changyl Li
  • Publication number: 20150192518
    Abstract: Spectrally encoded microbeads and methods and devices for making and using spectrally encoded microbeads are provided. The disclosed methods and devices facilitate the preparation and use of microbeads containing multiple lanthanide nanoparticles, which microbeads have uniquely identifiable spectral codes. The disclosed microbeads, and the methods and devices for making and using same, find use in multiplexing and high-throughput biomarker analysis.
    Type: Application
    Filed: September 22, 2013
    Publication date: July 9, 2015
    Inventors: Brian Cullen Baxter, Joseph L. Derisi, Polly M. Fordyce, Rachel E. Gerver, Rafael Gòmez-Sjöberg, Brett A. Helms, Kurt S. Thorn, Ronald N. Zuckermann