Patents Assigned to King Abdulaziz City Science and Technology
  • Method, system and computer program product for breast density classification using fisher discrimination
    Patent number: 9317786
    Abstract: A method for content-based image retrieval for the classification of breast density from mammographic imagery is described. The breast density is characterized through the Fisher linear discriminants (FLD) extracted from the Principal Component Analysis (PCA). Unlike PCA, the FLD provides a very discriminative representation of the mammographic images in terms of the breast density. Various exemplary methods, systems and computer program products are also disclosed.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: April 19, 2016
    Assignees: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventor: Lahouari Ghouti
  • Multidimensional color barcode
    Patent number: 9311584
    Abstract: The invention provides architecture of a multidimensional color barcode. The multidimensional color barcode includes a plurality of data cells and a plurality of palette cells which are placed in a predefined order on each side of the multidimensional color barcode. The multidimensional color barcode also includes one or more alternating black and white tic marks placed on two sides of the multidimensional color barcode. Data is encoded and decoded in the multidimensional color barcode using color assigned to each of the plurality of data cells and the plurality of palette cells.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: April 12, 2016
    Assignee: King Abdulaziz City for Science and Technology (KACST)
    Inventors: Hussein Khalid Al-Omari, Mohammad Sulaiman Khorsheed
  • Cooling system for high performance solar concentrators
    Patent number: 9310138
    Abstract: Techniques for cooling concentrating solar collector systems are provided. In one aspect, an apparatus for cooling a photovoltaic cell includes a heat exchanger having a metal plate with a bend therein that positions a first surface of the metal plate at an angle of from about 100 degrees to about 150 degrees relative to a second surface of the metal plate, and a plurality of fins attached to a side of the metal plate opposite the first surface and the second surface; a vapor chamber extending along the first surface and the second surface of the metal plate, crossing the bend; and a cladding material between the vapor chamber and the heat exchanger, wherein the cladding material is configured to thermally couple the vapor chamber to the heat exchanger. A photovoltaic system and method for operating a photovoltaic system are also provided.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: April 12, 2016
    Assignees: International Business Machines Corporation, King Abdulaziz City for Science and Technology
    Inventors: Ayman Alabduljabbar, Abdullah I. Alboiez, Yaseen G. Alharbi, Alhassan Badahdah, Hussam Khonkar, Yves C. Martin, Naim Moumen, Robert L. Sandstrom, Theodore Gerard van Kessel
  • Synthesis and antiscalant behavior of a novel polyzwitterionic acid
    Patent number: 9309336
    Abstract: A zwitterionic monomer and corresponding cyclopolymerized polyzwitterion (±) (PZ) containing, on each repeating unit, both phosphonate and sulfonate functionalities. Phosphonate ester hydrolysis in PZ gave a pH-responsive polyzwitterionic acid (±) (PZA). The PZA under pH-induced transformation was converted into polyzwitterion/anion (±?) (PZAN) and polyzwitterion/dianion (±=) (PZDAN).
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: April 12, 2016
    Assignees: King Fahd University Of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventors: Shaikh Asrof Ali, Shamsuddeen Abdullahi Haladu
  • Exhaust nozzle of a gas turbine engine
    Patent number: 9297334
    Abstract: Systems and methods for influencing thrust of a gas turbine engine are disclosed. A system includes a plurality of pipes positioned at an exhaust nozzle of the gas turbine engine. Each one of the plurality of pipes includes: an inlet inside the exhaust nozzle; an outlet inside the exhaust nozzle; and an intermediate portion outside the exhaust nozzle.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: March 29, 2016
    Assignee: KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY
    Inventor: Omair M. Alhatim
  • Efficient polymer composites based on natural wool
    Patent number: 9296155
    Abstract: A reinforced polymer composite, and more particularly, a wool reinforced polymer composite is provided. The composition includes wool fibers combined with a polymer to form a reinforced polymeric matrix having at least one of improved Izod Impact Strength (ASTM D-256) or improved Tensile Strength (ASTM D-1708) as compared to the polymer without the fibers.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: March 29, 2016
    Assignee: KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY
    Inventor: Fares D. Alsewailem
  • Technique for skew detection of printed arabic documents
    Patent number: 9288362
    Abstract: A digital document skew detection and correction system that uses horizontal pixel projection analysis to detect the prominent writing line of Arabic text. The system removes both small and large components and divides the document into segments. The system uses the pixel projection results at varying angles to pinpoint the highest horizontal pixel concentration corresponding to the writing line of the Arabic text to determine the skew angle for each divided document segment. The skew angle variable is averaged between the documents segments before being reattached; a user notification application is activated if the differences between skewed angles exceed a threshold. The original document is rotated in the opposite direction of the estimated skew angle to correct the skew.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: March 15, 2016
    Assignees: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventor: Irfan Ahmad
  • SYSTEM AND METHOD FOR MICROBLOGS DATA MANAGEMENT
    Publication number: 20160070754
    Abstract: A microblogs data management system and method that includes receiving, via communication circuitry, microblogs from a plurality of sources, storing, in a memory, the microblogs wherein the memory is temporally partitioned, transferring, using processing circuitry, a batch of the microblogs to an intermediate disk buffer when the memory is full, wherein the batch of the microblogs is selected based on a query and a temporal flushing policy, and transferring microblogs stored in the intermediate disk buffer to disk indexes.
    Type: Application
    Filed: August 31, 2015
    Publication date: March 10, 2016
    Applicants: UMM AL-QURA UNIVERSITY, KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY
    Inventors: Mohamed Fathalla Hassan MOKBEL, Amr Magdy Mahmoud AHMED
  • Method and devices for producing micro-fluids
    Patent number: 9278350
    Abstract: The present application provides methods and devices for producing micro-fluids. Each device comprises a plurality of parallel inlet channels, an intersection and a plurality of parallel outlet channels. The plurality of parallel inlet channels comprises a first set of inlet channels for introducing a first fluid at a first flow rate, a second set of inlet channels for introducing a second fluid at a second flow rate and a third set of inlet channels for introducing a third fluid at a third flow rate. Once introduced, the first fluid, the second fluid and the third fluid flow through the corresponding channels to intersect at the intersection and form micro-fluids, which can be collected from the plurality of parallel outlet channels.
    Type: Grant
    Filed: October 19, 2014
    Date of Patent: March 8, 2016
    Assignee: King Abdulaziz City for Science and Technology (KACST)
    Inventors: Hanaa Mohamed Samy Hegab, Ahmed Mamdouh Mahmoud Elmekawy
  • DOPED SILVER NANOPARTICLES ON CARBON FLY ASH FOR ADSORPTION OF METHYL TERTIARY BUTYL ETHER
    Publication number: 20160059210
    Abstract: 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: Application
    Filed: August 29, 2014
    Publication date: March 3, 2016
    Applicants: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventors: Bassam Shafiq Tawabini, Muataz Ali Atieh, Faraj Ahmad Abuilaiwi, Segun Biodun Adebayo
  • SIMPLE METHOD FOR THE DETECTION OF SULFUR COMPOUNDS IN CRUDE OILS AND DIESEL
    Publication number: 20160061804
    Abstract: A liquid phase microextraction (LPME) method was developed for the determination of sulfur compounds in crude oils and its fractions (e.g diesel). Wide ranges of sulfur compounds including benzothiophene, dibenzothiophene and their derivatives were used as model compounds for extraction. After extraction, the analyses were performed by gas chromatography equipped with sulfur chemiluminescence detector (GC-SCD). Various experiments conditions influencing the extraction such as extraction times, extraction solvents, solvent volume and quantitative parameters were optimized to achieve higher extraction efficiency and high accuracy. The optimized conditions were applied to the determination of sulfur compounds in crude oil and diesel.
    Type: Application
    Filed: August 28, 2014
    Publication date: March 3, 2016
    Applicants: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventors: Basheer CHANBASHA, Ibrahim AL-ZAHRANI, Than HTUN
  • Method for improving quality of spalled material layers
    Patent number: 9275867
    Abstract: Methods for removing a material layer from a base substrate utilizing spalling in which mode III stress, i.e., the stress that is perpendicular to the fracture front created in the base substrate, during spalling is reduced. The substantial reduction of the mode III stress during spalling results in a spalling process in which the spalled material has less surface roughness at one of its' edges as compared to prior art spalling processes in which the mode III stress is present and competes with spalling.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: March 1, 2016
    Assignees: International Business Machines Corporation, King Abdulaziz City for Science and Technology
    Inventors: Stephen W. Bedell, Keith E. Fogel, Paul A. Lauro, Ning Li, Devendra K. Sadana, Katherine L. Saenger, Ibrahim Alhomoudi
  • Apparatus and method for treating infestation in a wooden body
    Patent number: 9258994
    Abstract: An apparatus and method for treating infestation in a wooden body is provided. The apparatus comprises at least one transducer configured to deliver High Intensity Focused Ultrasound (HIFU) signals to at least one region of the wooden body. The method comprises scanning at least one part of the wooden body to identify at least one region of the wooden body infested with one or more pests. The method further comprises delivering HIFU signals to the at least one region of the wooden body infested with the one or more pests.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: February 16, 2016
    Assignee: King Abdulaziz City for Science and Technology (KACST)
    Inventor: Munir Eldesouk
  • Method for producing Pt-free electrocatalysts for fuel cells and batteries
    Patent number: 9257705
    Abstract: A method for synthesizing a nitrogen-doped carbon electrocatalyst by performing selective catalytic oxidative polymerization of solid aniline salt on a carbon support with a catalytic system containing Fe3+/H2O2 to obtain a mixture, and then heat treating the mixture under a nitrogen atmosphere at 900° C.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: February 9, 2016
    Assignees: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventors: Belabbes Ahmed Merzougui, Saheed Abidemi Bukola, Adeola Akeem Akinpelu, Zain Hassan Abdallah Yamani, Tahar Laoui
  • Method for Nanowire Cluster Formation
    Publication number: 20160032475
    Abstract: A cluster of non-collapsed nanowires, a template to produce the same, methods to obtain the template and to obtain the cluster by using the template, and devices comprising the cluster are described. The cluster and the template both have an interconnected region and an interconnection-free region.
    Type: Application
    Filed: July 30, 2015
    Publication date: February 4, 2016
    Applicants: IMEC VZW, King Abdulaziz City for Science and Technology
    Inventors: Cedric Huyghebaert, Alaa Abd-Elnaiem, Philippe Vereecken
  • Synthesis of dimethyl carbonate from carbon dioxide and methanol
    Patent number: 9249082
    Abstract: A method for producing dimethyl carbonate from methanol and carbon dioxide using a heterogeneous catalyst is described. The heterogeneous catalyst provides both acidic sites and basic sites. The reaction can be carried out at atmospheric pressure and relatively low temperatures.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: February 2, 2016
    Assignee: KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY (KACST)
    Inventors: Khalid A. Almusaiteer, Sulaiman I. Al-Mayman, Yousef S. Z. Alzeghayer
  • Method for synthesizing platinum nanoparticles incorporated on silica
    Patent number: 9243338
    Abstract: The invention provides a method for synthesizing platinum nanoparticles incorporated on silica. The method includes immobilizing dithiocarbamate functional group on a surface of the silica to form dithiocarbamate-silica. The method includes treating the dithiocarbamate-silica with platinic acid to form Platinum (II) [Pt (II)] dithiocarbamate complex on the silica and thereafter, reducing the Pt (II) dithiocarbamate complex.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: January 26, 2016
    Assignee: King Abdulaziz City for Science and Technology (KACST)
    Inventors: Nezar Hassan Mohamed Khdary, Mohamed Ali Ghanem
  • Non-coiled tubing well clean-up
    Patent number: 9238771
    Abstract: A well clean-up fluid system than can be used to remove the filter cake in horizontal and multilateral sections of extended-reach and maximum-reservoir-contact wells for both open and cased hole completions. The fluid system contains one or more low pH chelating agents and a viscoelastic surfactant. The fluid is injected through a drill pipe and starts reacting with the filter cake after rigging down. This method of the well clean-up eliminates the use of coil tubing, enzymes and corrosion inhibitors. The efficiency of filter cake removal is enhanced because the well clean-up fluid system has the ability to divert through the highly damaged areas of well or formation in the horizontal section.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: January 19, 2016
    Assignees: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventor: Mohamed Ahmed Mahmoud
  • METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR BREAST DENSITY CLASSIFICATION USING FISHER DISCRIMINATION
    Publication number: 20160012316
    Abstract: A method for content-based image retrieval for the classification of breast density from mammographic imagery is described. The breast density is characterized through the Fisher linear discriminants (FLD) extracted from the Principal Component Analysis (PCA). Unlike PCA, the FLD provides a very discriminative representation of the mammographic images in terms of the breast density. Various exemplary methods, systems and computer program products are also disclosed.
    Type: Application
    Filed: September 14, 2015
    Publication date: January 14, 2016
    Applicants: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventor: Lahouari GHOUTI
  • Method of manufacturing a nitro blue tetrazolium and polyvinyl butyral based dosimeter film
    Patent number: 9234081
    Abstract: NBT-PVA film dosimeters performance is affected due to high humidity levels. NBT-PVB film dosimeters with a relatively small effect of high humidity levels on its performance are invented. NBT-PVB film dosimeters are made by using alcoholic solution to dissolve both of NBT and PVB. The films are very useful for routine dosimeter in industrial radiation processing. A very high sensitivity NBT-PVB Radio-chromic film dosimeter is achieved due to high solubility of NBT dye in 2-methoxyethanol enabling the addition of very high concentrations of NBT dye in the film dosimeters. The dose response of conventional NBT-PVA dosimeter films are normally saturated after 50 kGy, while the invented composites of NBT-PVB dosimeter films demonstrated high dose range up to 100 kGy for high dose industrial use.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: January 12, 2016
    Assignee: KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY
    Inventors: Ahmed Ali Basfar, Khalid Ahmed Rabaeh, Akram Ahmed Al-Moussa