Patents Assigned to King Abdulaziz City for Science and Technology
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Patent number: 10893454Abstract: The invention provides a method and system for monitoring one or more properties of an asset using a plurality of mobile sensor nodes. The method generates a distance-based schedule for the plurality of mobile sensor nodes for monitoring the one or more properties of the asset. The method, then, monitors a location of a first mobile sensor node in the asset. The data collection operation is then initiated at the first mobile sensor node based on the location of the first mobile sensor node in accordance with the distance-based schedule. The data collection operation of the first mobile sensor node is then managed based on the distance-based schedule and an energy status of the first mobile sensor node. Finally, the data pertaining to the one or more properties of the asset is collected from the plurality of mobile sensor nodes.Type: GrantFiled: November 13, 2015Date of Patent: January 12, 2021Assignee: THE KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGYInventors: Yasser Mohammad Seddiq, Mohammed Sulaiman BenSaleh, Syed Manzoor Qasim, Abdulfattah M Obeid, Ahmad Yahya Al-nasheri, Ahmad Masha Alotaibi, Abdulaziz S Almazyad
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Patent number: 10870067Abstract: The invention provides a method and apparatus for purifying water. The apparatus includes a water still for receiving water and a hot air maintained in a heat-exchanging relationship to obtain a hot water and a cold air. The apparatus also includes one or more water purification units configured to receive the hot water from the water still in which the hot water is further heated using thermal energy received from one or more thermal energy sources to obtain steam and waste matter. A water purification unit of the one or more water purification units includes a waste matter remover for removing the waste matter from the water purification unit. The water still includes a heat-exchanging unit configured to receive the steam from the one or more water purification units. The steam received at the heat-exchanging unit is condensed to obtain purified water within the heat-exchanging unit using the cold air.Type: GrantFiled: October 19, 2015Date of Patent: December 22, 2020Assignee: KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY (KACST)Inventor: Mazen A Ba-abbad
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Patent number: 10837858Abstract: The invention provides a method and system for monitoring one or more properties of an asset such as a long distance pipeline using a plurality of mobile sensor nodes. The method includes generating a time-based schedule for the plurality of mobile sensor nodes for monitoring the one or more properties of the asset, wherein the time-based schedule defines a time slot corresponding to a mobile sensor node to perform a data collection operation. The data collection operation is then initiated at a first mobile sensor node of the plurality of mobile sensor nodes based on a first time slot as defined in the time-based schedule. The data collection operation of the first mobile sensor node is then managed based on the time-based schedule and an energy status of the first mobile sensor node. Finally, the data pertaining to the one or more properties of the asset is collected from the plurality of mobile sensor nodes.Type: GrantFiled: November 9, 2015Date of Patent: November 17, 2020Assignee: The King Abdulaziz City for Science and TechnologyInventors: Yasser Mohammad Seddiq, Mohammed Sulaiman BenSaleh, Syed Manzoor Qasim, Abdulfattah M Obeid, Ahmad Yahya Al-nasheri, Ahmad Masha Alotaibi, Abdulaziz S Almazyad
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Publication number: 20200299595Abstract: A process and apparatus for producing syngas from low grade coal and from a biomass wherein the process includes (i) gasification of a mixture of low grade coal and biomass, (ii) reforming the gasified mixture, and (iii) removing CO2 from the gasified and reformed syngas mixture.Type: ApplicationFiled: March 22, 2019Publication date: September 24, 2020Applicants: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and TechnologyInventors: Mohammad Mozahar HOSSAIN, Muflih Arisa Adnan
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Patent number: 10774095Abstract: The invention provides metal-ascorbic acid crystals and a method for synthesizing the metal-ascorbic acid crystals. The metal in the metal-ascorbic acid crystals is one of copper (Cu), gold (Au) and silver (Ag). The method for synthesizing the metal-ascorbic acid crystals includes sonicating a solution of ascorbic acid and a solvent in dark to obtain a clear solution, wherein the solvent is one of dimethylformamide (DMF) and dimethyl sulfoxide (DMSO). A metal salt is added to the clear solution, wherein the metal salt is one of copper (II) sulfate pentahydrate (CuSO4.5H2O), gold (III)-chloride (AuCl3), and silver sulfate (Ag2SO4). The clear solution is sonicated after adding the metal salt to obtain a reaction mixture. Thereafter, the reaction mixture is heated in dark. The reaction mixture is treated to facilitate solvent extraction of the metal-ascorbic acid. Finally, the metal-ascorbic acid is crystallized.Type: GrantFiled: December 9, 2015Date of Patent: September 15, 2020Assignee: THE KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGYInventors: Nezar Hassan Khdary, Abdulaziz Almalik
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Publication number: 20200269194Abstract: A porous membrane which has a sponge-like morphology. The porous membrane contains imidazole- and benzimidazole-based metal-organic framework fillers embedded in a polymer matrix. Methods of fabricating the porous membrane via steps including solvent casting and coagulating are described. Methods of separating gases using the porous membrane are also provided.Type: ApplicationFiled: February 26, 2019Publication date: August 27, 2020Applicants: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGYInventors: Bassem A. Al-Maythalony, Akram S. Ghanem, Mohamed Ba-Shammakh, Muhammad Usman
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Patent number: 10732031Abstract: The invention provides an illumination measuring module which includes a housing and a photo detector. The housing is molded with a plurality of surfaces. Each surface of the housing is affixed with respective side edges of the plurality of the surfaces to form a predetermined shape. Each surface includes an external surface and an inner surface. One surface of the plurality of surfaces is a glass surface. The glass surface transmits illumination collected from an external ambience of the housing to one or more inner surfaces corresponding to the plurality of surfaces. On an inner surface of the glass surface, a plane white sheet is positioned which homogenously scatters illumination collected from the external ambience into the one or more inner surfaces in the housing. The photo detector measures scattered illumination diffused from the one or more inner surfaces corresponding to the plurality of surfaces.Type: GrantFiled: December 2, 2015Date of Patent: August 4, 2020Assignee: KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGYInventors: Mohammed I Alhussaini, Mohammed A Bahattab, Mark Mirza, Walther Glaubitt, Ibrahim A Alhomoudi
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Patent number: 10727796Abstract: The invention provides a Low-voltage Differential Signaling (LVDS) receiver circuit that comprises a folded-cascode operational transconductance amplifier (OTA) that includes a pair of input branches and a pair of output branches. The pair of input branches of the folded-cascode OTA includes a p-channel metal-oxide semiconductor (PMOS) input transistor pair connected to a first supply voltage domain. The pair of output branches includes an output circuit connected to a second supply voltage domain. The LVDS receiver circuit further includes a common-mode feedback circuit connected to the pair of output branches of the folded-cascode OTA that controls the second supply voltage domain. The LVDS receiver circuit further includes a regenerative buffer circuit connected to the pair of output branches of the folded-cascode OTA and an output generated from the pair of output branches of the folded-cascode OTA directly operates the regenerative buffer circuit to produce a distortion-free output signal.Type: GrantFiled: August 17, 2016Date of Patent: July 28, 2020Assignee: THE KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY (KACST)Inventors: Mohammed Sulaiman BenSaleh, Syed Arsalan Jawed, Yasir Mehmood Siddiqi, Waqas Siddiqi, Shahab Ahmed Najmi
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Publication number: 20200231603Abstract: The invention provides metal-ascorbic acid crystals and a method for synthesizing the metal-ascorbic acid crystals. The metal in the metal-ascorbic acid crystals is one of copper (Cu), gold (Au) and silver (Ag). The method for synthesizing the metal-ascorbic acid crystals includes sonicating a solution of ascorbic acid and a solvent in dark to obtain a clear solution, wherein the solvent is one of dimethylformamide (DMF) and dimethyl sulfoxide (DMSO). A metal salt is added to the clear solution, wherein the metal salt is one of copper (II) sulfate pentahydrate (CuSO4.5H2O), gold (III)-chloride (AuCl3), and silver sulfate (Ag2SO4). The clear solution is sonicated after adding the metal salt to obtain a reaction mixture. Thereafter, the reaction mixture is heated in dark. The reaction mixture is treated to facilitate solvent extraction of the metal-ascorbic acid. Finally, the metal-ascorbic acid is crystallized.Type: ApplicationFiled: December 9, 2015Publication date: July 23, 2020Applicant: The King Abdulaziz City for Science and TechnologyInventors: Nezar Hassan Khdary, Abdulaziz Almalik
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Publication number: 20200221739Abstract: The invention provides a method for removal of antibiotic residues from food products by irradiating the food product with a dose of ionizing gamma radiation for an effective duration of time. The food product undergoing irradiation by ionizing gamma radiation is selected from a group of dairy and poultry products and its likes thereof.Type: ApplicationFiled: March 28, 2016Publication date: July 16, 2020Applicant: The King Abdulaziz City for Science and TechnologyInventor: Omar Ahmed Alsager
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Patent number: 10710883Abstract: A 3D structure of the graphite-titanium-nanocomposite complex and a method of preparing the graphite-titanium-nanocomposite complex are disclosed. The Graphite-titanium-nanocomposite complex includes a metal core associated with the two phases, amine functionalized graphite, and amine functionalized titanium. The method of preparation includes amine functionalizing of graphite and titanium with coupling agents to produce amine functionalized titanium and graphite, further mixing with a metal ion solution for synthesizing an ion complex. Trisodium citrate solution and sodium borohydride solution is added to the ion complex to prepare a 3D structure of the graphite-titanium-nanocomposite complex, employed as a catalyst.Type: GrantFiled: December 7, 2017Date of Patent: July 14, 2020Assignee: The king Abdulaziz City for Science and TechnologyInventors: Nezar Hassan M Khdary, Waleed Saad Ibrahim Alkhuraiji
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Patent number: 10706736Abstract: The invention provides a method and system for automatically scoring a written essay using plurality of linguistic levels. The method and system includes an essay analysis module for analyzing each sentence of the essay written in Arabic language using a trained model. The essay analysis module utilizes the trained model for analyzing each sentence of the essay at plurality of linguistic levels and generates different scores at plurality of linguistic levels. The scores generated at plurality of linguistic levels are computed to generate a final score by using a weighted combination of the different scores.Type: GrantFiled: November 14, 2015Date of Patent: July 7, 2020Assignee: THE KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGYInventors: Waleed A Alsanie, Mohamed I Alkanhal, Abdulaziz O Al-qabbany, Mohammed N Alhamadi
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Patent number: 10701609Abstract: The invention provides a method and system for monitoring one or more properties of an asset using a plurality of mobile sensor nodes. The method includes enabling a first mobile sensor node of the plurality of mobile sensor nodes to perform a data collection operation pertaining to the one or more properties of the asset. The energy status of the first mobile sensor node performing the data collection operation is then monitored. Thereafter, the first mobile sensor node performs a handover of the data collection operation to a second mobile sensor node based on the energy status of the first mobile sensor node. Finally, the data pertaining to the one or more properties of the asset is collected from the plurality of mobile sensor nodes.Type: GrantFiled: November 9, 2015Date of Patent: June 30, 2020Assignee: THE KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGYInventors: Yasser Mohammad Seddiq, Mohammed Sulaiman BenSaleh, Syed Manzoor Qasim, Abdulfattah M Obeid, Ahmad Yahya Al-nasheri, Ahmad Masha Alotaibi, Abdulaziz S Almazyad
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Patent number: 10685835Abstract: A III-nitride tunnel junction with a modified p-n interface, wherein the modified p-n interface includes a delta-doped layer to reduce tunneling resistance. The delta-doped layer may be doped using donor atoms comprised of Oxygen (O), Germanium (Ge) or Silicon (Si); acceptor atoms comprised of Magnesium (Mg) or Zinc (Zn); or impurities comprised of Iron (Fe) or Carbon (C).Type: GrantFiled: November 1, 2016Date of Patent: June 16, 2020Assignees: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY (KACST)Inventors: Benjamin P. Yonkee, Erin C. Young, John T. Leonard, Tal Margalith, James S. Speck, Steven P. DenBaars, Shuji Nakamura
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Publication number: 20200171459Abstract: Methods and compositions for the adsorptive removal of methyl tertiary butyl ether (MTBE) from contaminated water sources and systems. The compositions contain carbon fly ash doped with silver nanoparticles at specific mass ratios. Methods of preparing and characterizing the adsorbents are also provided.Type: ApplicationFiled: February 11, 2020Publication date: June 4, 2020Applicants: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, King Abdulaziz City for Science and TechnologyInventors: Bassam Shafiq TAWABINI, Muataz Ali ATIEH, Faraj Ahmad ABUILAIWI, Segun Biodun ADEBAYO
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Publication number: 20200171460Abstract: Methods and compositions for the adsorptive removal of methyl tertiary butyl ether (MTBE) from contaminated water sources and systems. The compositions contain carbon fly ash doped with silver nanoparticles at specific mass ratios. Methods of preparing and characterizing the adsorbents are also provided.Type: ApplicationFiled: February 11, 2020Publication date: June 4, 2020Applicants: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, King Abdulaziz City for Science and TechnologyInventors: Bassam Shafiq TAWABINI, Muataz Ali ATIEH, Faraj Ahmad ABUILAIWI, Segun Biodun ADEBAYO
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Patent number: 10633290Abstract: High strength transparent corundum ceramics using corundum powder and methods of manufacture are disclosed. The method of forming transparent corundum ceramics includes milling corundum powder in aqueous slurry with beads. The method further includes processing the slurry by a liquid shaping process to form a gelled body. The method further includes sintering the gelled body in air and pressing the gelled body by hot isostatic pressing to form a ceramic body.Type: GrantFiled: September 11, 2015Date of Patent: April 28, 2020Assignees: King Abdulaziz City for Science and Technology, Fraunhofer-GesellschaftInventors: Mohammed A. Binhussain, Akeel Khalid Alakeel, Majid Mohammed Binmajid, Jens Klimke
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Patent number: 10636993Abstract: Broadly speaking, embodiments of the present invention provide a solid state light-emitting device and a method of manufacturing the solid state light-emitting device. The method comprises preparing a thin layer of semiconducting perovskite nanoparticles embedded in a matrix or blend of a material that has a wider band gap than the semiconducting perovskite nanoparticles. In embodiments, the method comprises blending a solution of a semiconducting perovskite material or a precursor therefor with a solution of a material that has a wider band gap than the semiconducting perovskite material or a precursor therefor followed by removal of the solvent from the mixture thus formed, to give the semiconducting perovskite nanoparticles embedded in a matrix or blend of the material that has a wider band gap than the semiconducting perovskite nanoparticles.Type: GrantFiled: November 20, 2015Date of Patent: April 28, 2020Assignees: CAMBRIDGE ENTERPRISE LIMITED, KING ABDULAZIZ CITY FOR SCIENCE & TECHNOLOGYInventors: Richard Friend, Zhi Kuang Tan, Guangru Li, Dawei Di, Neil C. Greenham
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Patent number: 10627161Abstract: A laboratory equipment having an inlet and outlet tube for gas to enter and exit using specific shaped tubes with multi-outlet apertures in form of a network to allow the gas to enter the drying chamber to dry the material. The specific shaped tubes are in crescent shape and cross each other to have maximum surface area exposure to the drying chamber and effectively contact the material that is being dried. A gas inlet valve and outlet valve control the flow, pressure and temperature of the gas that is being used for drying the material to make nano material. A method of using the laboratory equipment with special gas inlet tubes is used for drying the material in form a slurry to make dry nano material.Type: GrantFiled: January 24, 2018Date of Patent: April 21, 2020Assignee: KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY (KACST)Inventors: Mohammed Ahmad S. Alshamsi, Sulaiman Mohammed Alfadul
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Patent number: 10615297Abstract: A method for forming a photovoltaic device includes forming a doped layer on a crystalline substrate, the doped layer having an opposite dopant conductivity as the substrate. A non-crystalline transparent conductive electrode (TCE) layer is formed on the doped layer at a temperature less than 150 degrees Celsius. The TCE layer is flash annealed to crystallize material of the TCE layer at a temperature above about 150 degrees Celsius for less than 10 seconds.Type: GrantFiled: February 22, 2013Date of Patent: April 7, 2020Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGYInventors: Abdulrahman M. Albadri, Bahman Hekmatshoartabari, Devendra K. Sadana, Katherine L. Saenger