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King Abdulaziz University patents


Recent patent applications related to King Abdulaziz University. King Abdulaziz University is listed as an Agent/Assignee. Note: King Abdulaziz University may have other listings under different names/spellings. We're not affiliated with King Abdulaziz University, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | King Abdulaziz University-related inventors


Temporal task scheduling in a hybrid system

A system and method of scheduling tasks include receiving inputted data task variables for a private cdc and a plurality of public clouds; initializing parameters for a plurality of representative entities in a cluster of entities; determining a fitness level of each representative entity in the cluster of entities; updating one or more task scheduling parameters for a given number of time slots based on the parameters for the plurality of representative entities and the fitness level of each representative entity; determining a total number of data tasks to be dispatched to the private cdc and the plurality of public clouds based on an iteration result of a final time slot for the given number of time slots for a global best position; and updating the data task variables using the total number of data tasks to be dispatched.. . ... King Abdulaziz University

An energy efficient electric cooker

A cooker hotplate control system, to heat to and maintain a foodstuff at a preset temperature the system comprising an electric hotplate; a power input to provide electricity to heat the hot plate and a controller to govern said power input; a temperature sensor to determine the temperature of the hotplate; an infrared sensor spatially separated from and to detect infrared radiation emitted by a foodstuff or a vessel containing a foodstuff on the hotplate; a first processor to determine the temperature of a foodstuff or a vessel from the detected infrared radiation and a first data storage means to store said data; a second processor, the second processor calculating the first and second time derivatives of the temperature data; a first fuzzy logic controller receiving as input the first and second time-derivative data from the second processor and producing an output to the controller, said output governing the amount of power supplied to the hotplate, the first fuzzy logic controller being active to bring a foodstuff temperature up to the pre-set temperature and to hold a foodstuff at the pre-set temperature for a defined time period; a second fuzzy logic controller to maintain the temperature within a defined temperature range about the pre-set temperature.. . ... King Abdulaziz University

Electrochemical cell and a method of using the same for detecting bisphenol-a

An electrochemical cell that includes a working electrode, which comprises of is made of gold, with gold-coated carbon nanotubes secured thereon via a conductive binder, wherein the electrochemical cell is utilized to detect the presence of bisphenol-a, or to determine a concentration of bisphenol-a in a solution. Various embodiments of the electrochemical cell, a method of producing the electrochemical cell, and a method of using the electrochemical cell for determining a concentration of bisphenol-a in a solution are also provided.. ... King Abdulaziz University

Bone graft with a tannin-hydroxyapatite scaffold and stem cells for bone engineering

A biocompatible bone graft for implanting into a bone wound site or screening a bone disease drug, comprising a porous scaffold structure made from a tannin-hydroxyapatite resin, a population of osteocompetent stem cells, and a growth medium. Methods of synthesis and physical characterization of the porous scaffold structure are described, as well as biological testing of the osteocompetent stem cells of the bone graft.. ... King Abdulaziz University

Microwave-assisted distilation system

The system includes a tank for receiving water, a microwave unit having a plurality of sides, one of the sides having a first opening and a second opening, the microwave unit housing a vessel for receiving water from the tank, the vessel having a lid including an inlet port extending through the first opening and an outlet port extending through the second opening, the inlet port of the vessel being positioned in fluid communication with the tank, a magnetic stirrer having a stir bar immersed in the water contained in the vessel, and a condenser unit having a natural convection condenser positioned within a first tube, an adapter, and a heat exchange coil having an inlet configured for receiving water from the tank and an outlet for discharging water to the tank, the condenser unit being positioned in communicating relation to the outlet port of the vessel.. . ... King Abdulaziz University

Gingival retractor instrument

An improved dental instrument is provided for facilitated placement of gingival retraction cord into the gingival crevice surrounding a tooth. The instrument includes a curved edge designed to conform to the curvature of a root surface of a tooth at the gingival level. ... King Abdulaziz University

Wind turbines with reduced electromagnetic scattering

A wind turbine with reduced electromagnetic scattering includes a wind turbine support structure having a cylindrical shape, a wind turbine blade supported by the wind support structure, and a plurality of multi-layer absorbers to limit the electromagnetic scattering, the absorber including at least cobalt ferrite alloy nano-particles, cobalt ferrite alloy nano-flakes, and air. The wind turbine blade includes a blade root, a blade tip opposite the blade root, and a blade middle part extending between the blade root and the blade tip. ... King Abdulaziz University

Reinforced gingival retraction cord

A dental retraction elongated member, for example, a retraction cord, for placement between a tooth and its adjacent gum tissue during dental impression taking and restorative procedures includes a core coated with a thermoplastic material so that the retraction cord is resistant to shredding, tearing, and sticking to dental restorative and impression taking materials.. . ... King Abdulaziz University

Tunable shape memory capacitor and a method of preparation thereof

A variable capacitor device and a method of preparation thereof, wherein the variable capacitor device comprises a shape-memory polymer in its dielectric layer, wherein the shape-memory polymer determines the thickness of the dielectric layer, thereby causing the capacitance of the variable capacitor device to be tuned. Various embodiments of the variable capacitor device and the method of preparing said capacitor have also been provided.. ... King Abdulaziz University

Foldable parabolic solar collector

A foldable parabolic solar collector includes a first panel having a semi-parabolic reflective inner surface, a central tube to which the first panel is fixed, and a second panel having a semi-parabolic reflective inner surface. The second panel is pivotably mounted to the central tube with the reflective inner surface of the second panel facing the reflective inner surface of the first panel. ... King Abdulaziz University

Composite restoration matrix band

A v-shaped plastic dental matrix band having an elongate body with first and second ends, a central portion between the first and second ends, and a collar portion on top of the central portion. The plastic dental matrix band tapers in thickness from thick first and second ends to a thin central portion, thereby providing a snug fit and tight contact with the tooth. ... King Abdulaziz University

Method of treating ischemic heart disease

A method of treating ischemic heart disease can include administering a therapeutically effective amount of a composition including date seed nanoparticles to a subject in need thereof. Exemplary suitable dosage forms can include tablet, gel, paste, and suspension. ... King Abdulaziz University

Dental restoration tool

A dental instrument having first portion and a second portion connected to the first end of the first portion by a connection. The connection is between a protrusion and an indentation, the first end of the first portion comprising one of a protrusion or an indentation, the first end of the second portion comprising one of a protrusion or an indentation corresponding to the first end of the first portion to allow the first portion and the second portion to connect. ... King Abdulaziz University

Mercury detecting paper and method of using the same

The mercury detecting paper provides a visual indication of the presence of mercury in an applied water sample. The mercury detecting paper is formed as a hydrophobic substrate having a reagent layer deposited thereon. ... King Abdulaziz University

10/26/17 / #20170307038

Thermo-set resin composition for brake pads, method of preparation, and brake pad assembly

A thermo-set resin composition comprising a quebracho wood tannin extract, a furfuryl alcohol, a neoprene compound, a dimethicone, polyethylene glycol, abrasive particles, and a glycerol phosphate acidic ester and/or graphite. Further, a method of preparing the thermo-set resin composition including mixing quebracho wood tannin extract with a furfuryl alcohol to form a primary mixture, adding additives and abrasive particles to the primary mixture, and reacting the primary mixture by adding a catalyst. ... King Abdulaziz University

10/12/17 / #20170291962

Method of making nanocrystalline cellulose

The method of making nanocrystalline cellulose is a flash lyophilized-acidic hydrolysis method for converting cellulosic fibers into nanocrystalline cellulose. Cellulosic fibers are initially ground in a high-speed, rotary grinder to produce ground cellulose fiber. ... King Abdulaziz University

09/14/17 / #20170259341

Method of forming silver nanoparticles and a use thereof

A method of reducing silver(i) salts to silver nanoparticles employing a carbohydrate reductant in the presence of an inorganic base, a surfactant and optionally a polymer. The method is performed in an aqueous solution at a temperature up to 60° c. ... King Abdulaziz University

08/17/17 / #20170234813

System for determining and imaging wax deposition and corrosion in pipelines

The system for determining and imaging wax deposition and corrosion in pipelines relate to systems for determining wax deposition and corrosion by one or both of two techniques. In both techniques, a source of neutron radiation is directed at the pipeline. ... King Abdulaziz University

08/17/17 / #20170234809

System for determining and imaging wax deposition and corrosion in pipelines

The system for determining and imaging wax deposition and corrosion in pipelines relate to systems for determining wax deposition and corrosion by one or both of two techniques. In both techniques, a source of neutron radiation is directed at the pipeline. ... King Abdulaziz University

08/17/17 / #20170233873

Olea europaea subsp. cuspidate wood tar oil composition as an anticorrosive for metals in aqueous media.

A composition and a method for inhibiting corrosion of a metal by contacting a metal surface with the composition. The composition includes a wood tar oil, from an olea europaea subsp. ... King Abdulaziz University

08/03/17 / #20170218205

Method for fabrication of a hybrid dual phase filler for elastomers

The method for fabricating a hybrid dual phase filler for elastomers includes: impregnation of carbon black with ethanol suspension of magnetite in a ball mill; drying of the dual phase mixture till constant weight; grinding of the dried product in a ball mill; thermal activation under vacuum in a specifically designed reactor followed by a grinding of the final product in a ball mill. The hybrid dual phase filler includes carbon black impregnated with ethanol suspension of magnetite, contains 5 to 50 mass % of magnetite and 95 to 50 mass % of carbon black. ... King Abdulaziz University

07/27/17 / #20170210107

Method for transferring a large-area graphene sheet

A method of transferring a graphene sheet comprising one or more layers of graphene formed on a metal film, such as a copper film, coating a surface of a metal or alloy substrate onto a target substrate. The method includes fixedly contacting the graphene sheet with a contacting surface of the target substrate by applying substantially uniform pressure and heat on a layered assembly. ... King Abdulaziz University

07/20/17 / #20170203968

Method for producing graphene with a controllable number of layers

A method for producing pristine graphene of controllable thickness including monolayer, bilayer and multilayer graphene via microwave irradiation assisted intercalation of graphite with dicarboxylic acids of various molecular chain lengths and subsequent exfoliation is disclosed. The average thickness of the graphene and the number of layers in the graphene produced by the method can be controlled by the molecular chain length of the dicarboxylic acid used for intercalation.. ... King Abdulaziz University

07/13/17 / #20170196674

Method of bladder augmentation with modified ileal segment and biologically compatible tissue

A method of augmenting a bladder including incising a native bladder to form an incised native bladder, implanting a tissue flap, comprising a bladder-expansion portion connected to a tubular portion; and suturing the bladder-expansion portion to an edge of the incised native bladder. The method forms an augmented bladder with a volume capacity that is 100%-250% larger than a volume capacity of the native bladder. ... King Abdulaziz University

07/06/17 / #20170195826

Trust evaluation wireless network for routing data packets

A hop-by-hop trust evaluation scheme (h-tea) is disclosed that can be used to route a data packet between a set of network nodes in an identity anonymous wireless sensor network. The h-tea scheme is a complete localized approach for each network node to determine a trustworthiness reputation of the data packet for routing without requiring a recommendation from another node or any historical information about the other node. ... King Abdulaziz University

06/29/17 / #20170184122

High performance mini-pump for liquids

The high performance mini-pump for liquids includes a motor assembly including a motor to supply power to the pump, and a housing assembly including a housing. The housing has a first housing portion and a second housing portion removably connected to the first housing portion defining an inner chamber therein. ... King Abdulaziz University

06/29/17 / #20170182188

Method for preparing chitosan-coated magnetic nanoparticles for protein immobilization

A method for preparing chitosan-coated magnetic nanoparticles for protein immobilization includes forming ferrous ferric oxide (fe3o4) nanoparticles by co-precipitation and coating the nanoparticles with chitosan in the presence of glutaraldehyde. The fe3o4 nanoparticles can be coated by dispersing ferrous ferric oxide (fe3o4) nanoparticles into a solution comprising chitosan and acetic acid, adding a surfactant, adding excess 50% glutaraldehyde solution, and washing the nanoparticles with a solvent. ... King Abdulaziz University

06/08/17 / #20170157589

Method for making a carbonaceous sponge-like sorbent

The method for making a carbonaceous sponge-like sorbent includes mixing a volume of carbon-rich fly ash with a binder. The carbon-rich fly ash may be air dried prior to mixing with the binder. ... King Abdulaziz University

06/08/17 / #20170157551

Method of synthesizing manganese oxide nanocorals

A method of synthesizing manganese oxide nanocorals comprises the steps of a) heating a potassium permanganate solution; (b) providing manganese sulfate in a basic solution; (c) combining the manganese sulfate basic solution drop-wise with the heated potassium permanganate solution until a brown precipitate is formed; (d) stirring the brown precipitate for a period of about 12 hours at a temperature greater than 300 k; (e) isolating the precipitate; and (f) drying the precipitate inside an oven at a temperature greater than 300 k to provide manganese oxide nanocorals. The manganese oxide nanocorals include nanowires having a diameter typically ranging from about 20 nm to about 40 nm.. ... King Abdulaziz University

05/04/17 / #20170120566

Composite epoxy material with embedded silicon carbide and alumina nanoparticles

A stacked composite material and a method of preparation, wherein the stacked composite materials comprises of glass fiber layers sandwiched between nanocomposite layers. The nanocomposite layers comprise a nanofiller dispersed in a cured epoxy matrix, wherein the nanofiller is at least one of silicon carbide nanoparticles or aluminum oxide nanoparticles. ... King Abdulaziz University

05/04/17 / #20170120563

Composite epoxy material with embedded mwcnt fibers and process of manufacturing

A stacked composite material having at least one glass fiber layer, at least two nanocomposite layers comprising multi walled carbon nanotubes dispersed in an epoxy matrix. Each glass fiber layer is sandwiched between two nanocomposite layers and the glass fiber layers are oriented in a unidirectional or a quasi-isotropic orientation with respect to adjacent and non-contiguous glass fiber layers in the stacked composite material. ... King Abdulaziz University

03/09/17 / #20170066657

Method for producing water dispersible cuo nanostructures

A method for producing water dispersible cuo nanostructures includes mixing copper nitrate with an ammonia solution. The copper nitrate and ammonia solution can be treated with ultrasound at room temperature. ... King Abdulaziz University

03/02/17 / #20170058096

Methods of making epoxy composites based on fly ash carbon nanotubes

A method for making an epoxy-carbon nanotube polymer composite. Carbon nanotubes of fly ash are initially dispersed in an organic solvent, then an epoxy resin is added to the dispersion. ... King Abdulaziz University

02/16/17 / #20170047139

Graphene oxide free-standing film and methods for shielding electromagnetic radiation at microwave frequencies

A composition of graphene oxide free-standing film, a method of making the film, and a method of using the film to shield electromagnetic radiation particularly at microwave frequencies from 1 ghz to 12 ghz. The composition comprises stacked layers of graphene oxide nanosheets oriented parallel to the film surface and stacked layers of graphene oxide nanosheets oriented perpendicular to the film surface. ... King Abdulaziz University

01/26/17 / #20170023508

Method of making thin film humidity sensors

The method of making thin film humidity sensors uses thermal vapor deposition or drop casting techniques to fabricate nickel phthalocyanine-fullerene-based (nipc-c60) quick response humidity sensors with negligible hysteresis. Prior to the deposition of aluminum electrodes, a glass substrate is cleaned by using acetone in an ultrasonic bath for 10 minutes. ... King Abdulaziz University

01/12/17 / #20170008778

Freezing desalination module

The freezing desalination module includes a pair of desalination units coupled to a pair of refrigeration units. A pre-cooling tank and a freezing tank is disposed in each desalination unit. ... King Abdulaziz University

01/05/17 / #20170005283

Single layer nanocomposite photoresponse device

A photoresponse device comprising a nanocomposite photoactive material is provided. The photoactive layer comprises a nanocomposite material of metal oxide nanoparticles dispersed within a photosensitizing organic semiconductor formed on a substrate. ... King Abdulaziz University








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