Patents by Inventor Paul R. Ohodnicki
Paul R. Ohodnicki 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).
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Patent number: 11891328Abstract: A method of tinting or coloring glass. The following layers are deposited onto the glass: a first dielectric layer, a subcritical metallic layer; a primer layer; and a second dielectric layer. Alternatively, these layers may be deposited onto the glass: a first dielectric layer, a subcritical metallic layer; and a second dielectric layer. Alternatively, the invention is a coated article that includes a substrate, a first dielectric layer, an absorbing layer, and a second dielectric layer over the primer layer. The absorbing layer can be Inconel, titanium nitride, cobalt chrome (stellite), or nickel chrome material, and has a thickness in the range of 50 ? to 150 ?.Type: GrantFiled: June 23, 2022Date of Patent: February 6, 2024Assignee: Vitro Flat Glass LLCInventors: Adam D. Polcyn, Paul A. Medwick, Andrew V. Wagner, Paul R. Ohodnicki, Jr., Dennis J. O'Shaughnessy, James P. Thiel
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Publication number: 20230333024Abstract: One or more embodiments relate to a sensor configuration system comprising at least one device configured to sense a first parameter; at least one device configured to sense a second parameter, and at least one interrogator device. The at least one device configured to sense the second parameter interfaces with the at least one device configured to sense the first parameter, and the at least one interrogator device interfaces both the at least one device configured to sense the first parameter and the at least one device configured to sense the second parameter where the at least one interrogator device spatially interrogates both the at least one device configured to sense the first parameter and the at least one device configured to sense the second parameter.Type: ApplicationFiled: April 18, 2023Publication date: October 19, 2023Inventors: Ruishu F. Wright, Nathan Diemler, Nageswara R. Lalam, Jagannath Devkota, Paul R. Ohodnicki, JR.
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Patent number: 11726047Abstract: Materials, methods of making, and methods of sensing liquid droplets with high spatial resolution as a signature of the on-set of corrosion using a hierarchical sensor network A hierarchical sensor network for sensing liquid droplets with high spatial resolution as a signature of the on-set of corrosion, including an interrogation system; and an intermediate sensor array layer in communication with the interrogation system. The network includes an interrogation system and an intermediate sensor array layer in communication with the interrogation system.Type: GrantFiled: October 2, 2018Date of Patent: August 15, 2023Assignee: United States Department of EnergyInventors: Paul R Ohodnicki, Jr., Ping Lu, Ruishu Wright, Jagannath Devkota
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Publication number: 20230243760Abstract: A method to detect the presence and or concentration of an analyte in the environment of a spoof plasmon sensor having the steps of: providing a spoof plasmon sensor into an environment; interrogating said spoof plasmon sensor with an electromagnetic signal; collecting a modified electromagnetic signal from the spoof plasmon sensor; and analyzing the modified electromagnetic signal to detect an analyte in the environment of the sensor. A spoof plasmon sensor for detecting an analyte having a substrate with a superior surface; and a conductive material disposed on said superior surface, said conductive material defining a waveguide having a dual tapering shape, wherein said waveguide defines spoof plasmon cavities which are exposed substrate, where said substrate is configured to change in permittivity when contacted by an analyte.Type: ApplicationFiled: January 26, 2023Publication date: August 3, 2023Inventors: Roman Shugayev, Jagannath Devkota, Paul R. Ohodnicki, JR.
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Patent number: 11609281Abstract: A method includes producing an amorphous precursor to a nanocomposite, the amorphous precursor comprising a material that is substantially without crystals not exceeding 20% volume fraction; performing devitrification of the amorphous precursor, wherein the devitrification comprises a process of crystallization; forming, based on the devitrification, the nanocomposite with nano-crystals that contains an induced magnetic anisotropy; tuning, based on one or more of composition, temperature, configuration, and magnitude of stress applied during annealing and modification, the magnetic anisotropy of the nanocomposite; and adjusting, based on the tuned magnetic anisotropy, a magnetic permeability of the nanocomposite.Type: GrantFiled: November 14, 2018Date of Patent: March 21, 2023Assignee: Carnegie Mellon UniversityInventors: Alex M. Leary, Paul R. Ohodnicki, Michael E. McHenry, Vladimir Keylin, Joseph Huth, Samuel J. Kernion
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Patent number: 11513100Abstract: A gas sensor (100,200) includes at least one sensor device including a surface acoustic wave (SAW) device (110) or a quartz crystal microbalance (QCM) device (210), and a layer of metal organic framework (MOF) material (120,220) disposed on each of the at least one sensor device. The at least one sensor device is structured to sense a change in mass of the MOF material.Type: GrantFiled: January 26, 2018Date of Patent: November 29, 2022Assignees: University of Pittsburgh-Of the Commonwealth System of Higher Education, United States Department of EnergyInventors: Christopher E. Wilmer, Jenna Gustafson, Paul R. Ohodnicki, Jagannath Devkota
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Publication number: 20220341902Abstract: A system for determining pH of a fluid and a method to determine the pH of a fluid contacting a sensor, the method having the steps of: providing the sensor to an environment such that the sensor is in contact with the fluid, wherein the sensor features a fiber extending between a first end and a second end along a longitudinal axis, wherein the fiber further features a medial portion positioned between the first and second ends, wherein the sensor further features a pH sensitive coating on the medial portion of the fiber, and wherein the pH sensitive material features a metal oxide including but not limited to SiO2, TiO2, ZrO2, Ta2O5, A2O3, and combinations thereof; interrogating the sensor with an optical signal; collecting a modified optical signal after the sensor has been interrogated; and determining the pH of the fluid contacting the pH sensor using the modified optical signal.Type: ApplicationFiled: April 26, 2022Publication date: October 27, 2022Inventors: Fei Lu, Ruishu Feng Wright, Paul R. Ohodnicki, JR., Ping Lu
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Publication number: 20220332634Abstract: A method of tinting or coloring glass. The following layers are deposited onto the glass: a first dielectric layer, a subcritical metallic layer; a primer layer; and a second dielectric layer. Alternatively, these layers may be deposited onto the glass: a first dielectric layer, a subcritical metallic layer; and a second dielectric layer. Alternatively, the invention is a coated article that includes a substrate, a first dielectric layer, an absorbing layer, and a second dielectric layer over the primer layer. The absorbing layer can be Inconel, titanium nitride, cobalt chrome (stellite), or nickel chrome material, and has a thickness in the range of 50 ? to 150 ?.Type: ApplicationFiled: June 23, 2022Publication date: October 20, 2022Inventors: Adam D. Polcyn, Paul A. Medwick, Andrew V. Wagner, Paul R. Ohodnicki, JR., Dennis J. O'Shaughnessy, James P. Thiel
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Patent number: 11467338Abstract: A method of making an optical fiber sensor device for distributed sensing includes generating a laser beam comprising a plurality of ultrafast pulses, and focusing the laser beam into a core of an optical fiber to form a nanograting structure within the core, wherein the nanograting structure includes a plurality of spaced nanograting elements each extending substantially parallel to a longitudinal axis of optical fiber. Also, an optical fiber sensor device for distributed sensing includes an optical fiber having a longitudinal axis, a core, and a nanograting structure within the core, wherein the nanograting structure includes a plurality of spaced nanograting elements each extending substantially parallel to the longitudinal axis of the optical fiber. Also, a distributed sensing method and system and an energy production system that employs such an optical fiber sensor device.Type: GrantFiled: March 3, 2020Date of Patent: October 11, 2022Assignee: University of Pittsburgh-Of the Commonwealth System of Higher EducationInventors: Peng Kevin Chen, Aidong Yan, Michael P. Buric, Paul R. Ohodnicki, Sheng Huang
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Publication number: 20220276179Abstract: Materials, methods of making, and methods of sensing liquid droplets with high spatial resolution as a signature of the on-set of corrosion using a hierarchical sensor network A hierarchical sensor network for sensing liquid droplets with high spatial resolution as a signature of the on-set of corrosion, including an interrogation system; and an intermediate sensor array layer in communication with the interrogation system. The network includes an interrogation system and an intermediate sensor array layer in communication with the interrogation system.Type: ApplicationFiled: October 2, 2018Publication date: September 1, 2022Inventors: Paul R Ohodnicki, JR., Ping Lu, Ruishu Wright, Jagannath Devkota
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Patent number: 11408827Abstract: A method for evaluating the pH of an aqueous solution by utilizing the optical properties of a pH sensing material comprised of plurality of optically active nanoparticles dispersed in matrix material. The optically active nanoparticles have an electronic conductivity greater than about 10?1 S/cm and generally have an average nanoparticle diameter of less that about 500 nanometers, and the matrix material is a material which experiences a change in surface charge density over a pH range from 2.0 to 12.0 of at least 1%. The method comprises contacting the pH sensing material and the aqueous solution, illuminating the pH sensing material, and monitoring an optical signal generated through comparison of incident light and exiting light to determine the optical transmission, absorption, reflection, and/or scattering of the pH sensitive material. The optical signal of the pH sensitive material varies in response to the pH of the aqueous solution.Type: GrantFiled: April 24, 2015Date of Patent: August 9, 2022Assignee: U.S. Department of EnergyInventors: Paul R. Ohodnicki, Jr., Congjun Wang, Thomas D. Brown, Barbara Kutchko
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Publication number: 20220246961Abstract: A method of monitoring operation of a reactor system includes causing a chemical reaction to occur within an assembly of the reactor system, and measuring a chemical composition of one or more reactants of the chemical reaction with spatial resolution at a plurality of points along a path within the assembly using a sensor system structured to implement distributed sensing. The sensor system includes an optical fiber sensing member provided at least partially within the assembly, wherein the optical fiber sensing member comprises a functionalized optical fiber based sensor device structured to exhibit a change in one or more optical properties in response to changes in the chemical composition of the one or more reactants.Type: ApplicationFiled: April 19, 2022Publication date: August 4, 2022Applicants: UNIVERSITY OF PITTSBURGH-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION, UNITED STATES DEPATMENT OF ENERGYInventors: Peng K. Chen, Jacob Lorenzi Poole, Paul R. Ohodnicki, Thomas D. Brown, Kirk R. Gerdes, Michael P. Buric
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Patent number: 11401207Abstract: A method of tinting or coloring glass. The following layers are deposited onto the glass: a first dielectric layer, a subcritical metallic layer; a primer layer; and a second dielectric layer. Alternatively, these layers may be deposited onto the glass: a first dielectric layer, a subcritical metallic layer; and a second dielectric layer. Alternatively, the invention is a coated article that includes a substrate, a first dielectric layer, an absorbing layer, and a second dielectric layer over the primer layer. The absorbing layer can be Inconel, titanium nitride, cobalt chrome (stellite), or nickel chrome material, and has a thickness in the range of 50 ? to 150 ?.Type: GrantFiled: April 27, 2020Date of Patent: August 2, 2022Assignee: Vitro Flat Glass LLCInventors: Adam D. Polcyn, Paul A. Medwick, Andrew V. Wagner, Paul R. Ohodnicki, Jr., Dennis J. O'Shaughnessy, James P. Thiel
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Patent number: 11380918Abstract: A method of monitoring operation of a reactor system includes causing a chemical reaction to occur within an assembly of the reactor system, and measuring a chemical composition of one or more reactants of the chemical reaction with spatial resolution at a plurality of points along a path within the assembly using a sensor system structured to implement distributed sensing. The sensor system includes an optical fiber sensing member provided at least partially within the assembly, wherein the optical fiber sensing member comprises a functionalized optical fiber based sensor device structured to exhibit a change in one or more optical properties in response to changes in the chemical composition of the one or more reactants.Type: GrantFiled: August 20, 2015Date of Patent: July 5, 2022Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: Peng K. Chen, Jacob Lorenzi Poole, Paul R. Ohodnicki, Thomas D. Brown, Kirk R. Gerdes, Michael P. Buric
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Patent number: 11352287Abstract: The present invention relates to a glass composition that includes: 57 to 75 percent by weight of SiO2; 3 to 11 percent by weight of Al2O3; 6 to 11 percent by weight of Na2O; 16 to 21 percent by weight of CaO; 0.01 to 0.1 percent by weight of Li2O; and less than 0.05 percent by weight of K2O. Each percent by weight is based on total weight of the glass composition. Glass products are also provided that have a bulk glass composition as described above. The glass products, such as flat glass products and glass substrates, have a strain point of at least 590° C. and a thermal expansion of at least 7.4 ppm/° C. The present invention also relates to magnetic recording articles and photovoltaic cells that include a glass substrate that has a bulk glass composition as described above.Type: GrantFiled: November 28, 2012Date of Patent: June 7, 2022Assignee: Vitro Flat Glass LLCInventors: Larry J. Shelestak, James W. McCamy, Paul R. Ohodnicki, Jr., Hong Li, Adam D. Polcyn
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Publication number: 20220144697Abstract: An architectural transparency includes a substrate; a first dielectric layer over at least a portion of the substrate, a first metallic layer over the first dielectric layer, a first primer layer over the first metallic layer, a second dielectric layer over the first primer layer, a second metallic layer over the second dielectric layer, a second primer layer over the second metallic layer, a third dielectric layer over the second primer layer, a third metallic layer over the third dielectric layer, a third primer layer over the third dielectric layer, and a fourth dielectric layer over the third primer layer. At least one of the metallic layers is a subcritical metallic layer.Type: ApplicationFiled: January 21, 2022Publication date: May 12, 2022Inventors: Adam D. Polcyn, Jeffrey A. Benigni, Abhinav Bhandari, Harry Buhay, James J. Finley, Paul A. Medwick, Dennis J. O'Shaughnessy, Paul R. Ohodnicki, Jr., James P. Thiel, Andrew V. Wagner
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Patent number: 11286200Abstract: A coated article includes a substrate, a first dielectric layer, a subcritical metallic layer having discontinuous metallic regions, a primer over the subcritical layer, and a second dielectric layer over the primer layer. The primer can be a nickel-chromium alloy. The primer can be a multilayer primer having a first layer of a nickel-chromium alloy and a second layer of titania. The subcritical layer can contain copper and silver.Type: GrantFiled: April 19, 2021Date of Patent: March 29, 2022Assignee: Vitro Flat Glass LLCInventors: Adam D. Polcyn, Paul A. Medwick, Andrew V. Wagner, Paul R. Ohodnicki, Jr., James P. Thiel, Dennis J. O'Shaughnessy, Benjamin Lucci
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Patent number: 11268984Abstract: A system and method for forming a low cost optical sensor array. The sensor includes an optical fiber; a first nanocomposite thin film along at least a portion of the optical fiber for interrogating a first parameter through a correlated signal having a first wavelength; and a second nanocomposite thin film along at least a portion of the optical fiber for interrogating a second parameter through a correlated signal having a second wavelength different from the wavelength of the first parameter.Type: GrantFiled: April 17, 2019Date of Patent: March 8, 2022Assignee: United States Department of EnergyInventors: Chenhu Sun, Ping Lu, Ruishu Wright, Paul R Ohodnicki
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Patent number: 11267752Abstract: An architectural transparency includes a substrate; a first dielectric layer over at least a portion of the substrate, a first metallic layer over the first dielectric layer, a first primer layer over the first metallic layer, a second dielectric layer over the first primer layer, a second metallic layer over the second dielectric layer, a second primer layer over the second metallic layer, a third dielectric layer over the second primer layer, a third metallic layer over the third dielectric layer, a third primer layer over the third dielectric layer, and a fourth dielectric layer over the third primer layer. At least one of the metallic layers is a subcritical metallic layer.Type: GrantFiled: March 17, 2020Date of Patent: March 8, 2022Assignee: Vitro Flat Glass LLCInventors: Adam D. Polcyn, Jeffrey A. Benigni, Abhinav Bhandari, Harry Buhay, James J. Finley, Paul A. Medwick, Dennis J. O'Shaughnessy, Paul R. Ohodnicki, Jr., James P. Thiel, Andrew V. Wagner
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Patent number: 11262289Abstract: Embodiments relate to methods, systems and apparatus for detecting corrosion using a detector apparatus with a host component. The method includes a detector apparatus. The detector apparatus includes an energy source; a corrosion proxy thin film that corrodes at a rate where the normalized change of mass of the film over time is greater than the normalized change of mass of the bulk material of the host component in a harsh environment; and the detector, wherein the detector is capable of detecting a change in energy due to corrosion of the corrosion proxy thin film. The method includes exposing the host component and the corrosion proxy thin film to the harsh environment; and detecting a change in energy using the detector due to corrosion of the corrosion proxy thin film.Type: GrantFiled: December 30, 2016Date of Patent: March 1, 2022Assignee: Energy, United States Department ofInventors: Paul R. Ohodnicki, Jr., Malgorzata Ziomek-Moroz