Patents Assigned to King Abdulaziz University
  • Method for debonding of orthodontic metal brackets with eugenol emulgel
    Patent number: 11141242
    Abstract: The invention is directed to a composition that safely removes a cured dental cement or resin from metal brackets, metal braces, and enamel surfaces of teeth. It contains eugenol, isoeugenol, methyl-eugenol or an isomer thereof. A method for removing orthodontic fixtures adhered with a dental cement or resin to the enamel surfaces of teeth from these surfaces by contacting the dental cement or resin with a composition containing eugenol.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: October 12, 2021
    Assignee: King Abdulaziz University
    Inventors: Ahmed Samir Ibrahim Bakry, Mona Aly Abbassy, Amal Linjawi, Ali Habib Hassan, Ahmed Fathy Hanafy, Gihan Salah Labib, Amal Mohammed S Abushal
  • APPARATUS FOR HUMAN GAIT MANIPULATION
    Publication number: 20210308520
    Abstract: A treadmill may be configured for gait training and/or therapy with attachable/detachable barriers affixable to a belt and/or with a vertical obstacle module and/or with sensor systems, but without requiring hoists, harnesses, attachments to the treadmill or base, or frame, and/or excessively high treadmill frames, such as those that exceed the height of the person on the treadmill. The barriers on the belt are configured to modify movement of only one foot of a person on the treadmill. The treadmill may use a single, integral belt. Methods of gait training and/or therapy may involve such treadmills without excessive expense and without excessive modification of standard treadmill equipment.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 7, 2021
    Applicant: King Abdulaziz University
    Inventors: Nazeeh ALOTHMANY, Ehab Hafiz WALI, Abdulhameed ALKHATEEB, Umar ALABASI, Mirza PASOVIC
  • CYLINDRICAL HEATING APPARATUS
    Publication number: 20210310918
    Abstract: A specimen heating apparatus includes a heater unit configured to heat a test specimen held in a material testing machine, a heater holding unit configured to hold the heater unit in a set position relative to the test specimen for heating, a specimen temperature measurement unit attached to the heater unit and configured to measure temperature of the test specimen when the heater unit is in the set position, a temperature controller configured to control heating of the heater unit in response to a temperature measured by the specimen temperature measurement unit, and a thermal insulation unit configured to cover the heater unit, wherein the heater holding unit holds the heater unit in such a way that the heater unit is allowed to be brought to and removed from the set position while the test specimen is being held in the material testing machine.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Applicant: King Abdulaziz University
    Inventor: Mohammed ALGARNI
  • METHOD FOR OPERATING A MULTILEVEL INVERTER WITH A SINUSOIDAL OUTPUT VOLTAGE
    Publication number: 20210313905
    Abstract: A multilevel inverter includes an inner DC source group circuit that generates a plurality of voltage levels, and an outer DC source group circuit that generates a substantially sinusoidal output voltage. The substantially sinusoidal output voltage is generated using, at least in part, the plurality of voltage levels generated by the inner DC source group circuit. An H-bridge circuit supplies the substantially sinusoidal output voltage at alternating polarities to a load.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 7, 2021
    Applicant: KING ABDULAZIZ UNIVERSITY
    Inventors: Hussain BASSI, Muhyaddin Jamal RAWA
  • BLOOD ANALYSIS CARTRIDGE
    Publication number: 20210308674
    Abstract: A test microfluidic strip or cartridge comprising a blood sample collection zone, red blood cell isolation zone, lysis zone, reagents mixing zone, and sensing zone for measuring the enzymatic activity thiopurine methyltransferase is disclosed. The test strip or cartridge is disclosed to be operably connected to a metering device comprising a processor, a display and a memory card.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Applicant: King Abdulaziz University
    Inventors: Mazin A. ZAMZAMI, Hani CHOUDHRY, Samar DAMIATI, Martin PEACOCK
  • Method for treating a patient having cancer
    Patent number: 11136288
    Abstract: Therapeutic compounds containing a phenyl core and amide link(s). Also described are pharmaceutical compositions incorporating the therapeutic compounds and a method for treating cancer with the compounds. These compounds are cytotoxic to stomach, colon, breast, and leukemia cancer cell lines via dual inhibition of Src kinases and tubulin.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: October 5, 2021
    Assignee: King Abdulaziz University
    Inventors: Moustafa E. El-Araby, Abdelsattar M. Omar, Maan T. Khayat, Dhaval Shah, Martin K. Safo, Azizah M. Malebari, Farid Ahmed
  • Infant fingerprint capture device
    Patent number: 11138405
    Abstract: A fingerprint scanner for capturing fingerprints of infant children is described. The fingerprint scanner includes a transparent tube configured for an infant child hand and an array of camera sensors spaced apart on the transparent tube so that each camera sensor captures an overlapping part of an image captured by its neighboring camera sensor. The array of camera sensors is arranged below a surface, along a periphery of a circumference and substantially along a length of the transparent tube up to a processor compartment. The fingerprint scanner also includes a processing circuitry configured to: simultaneously receive multiple images from the array of camera sensors, and process the multiple images including merging the multiple images to remove overlapping portions and recover a single image of the infant child's fingertips and palm.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: October 5, 2021
    Assignee: King Abdulaziz University
    Inventors: Madini O. Alassafi, Abdulrahman A. Alshdadi, Mohammed Saeed Alkatheiri, Mohammed Ali Alqarni, Muhammad Murtaza Khan, Abdulrahman H. Altalhi, Hadi Mohsen Oqaibi
  • Wind turbine-powered traffic regulation system
    Patent number: 11135924
    Abstract: A traffic regulation system and method which combines energy harvesting from the movement of a plurality of vehicles on a roadway with wireless directional power beam transmission using the harvested energy to encourage compliance with traffic regulations. Electric power is generated from the movement of the moving vehicles by using a wind turbine to harvest wind energy from the movement of vehicles or by piezoelectric plates which harvest compression energy from the weight of the vehicle tires on the road surface. The electric power is transmitted to electric or hybrid vehicles which comply with the traffic regulations. The traffic regulations are one of driving at a posted speed and driving at a safe following distance. A control system adjusts the traffic regulation based on measurements received from a plurality of detectors.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: October 5, 2021
    Assignee: King Abdulaziz University
    Inventors: Etab Alghamdi, Hussain Bassi
  • Method for recovery of cellulosic material from waste ligno-cellulosic material
    Patent number: 11136715
    Abstract: The present invention involves an environmentally friendly process and apparatus for the delignification of lignin-containing materials, such as cardboard newspaper or agricultural or tree pruning wastes. This process produces cellulose using low temperatures and low concentrations of hydrogen peroxide. It can be performed using a column fitted with a semipermeable gasket that pressurizes the column by retaining oxygen released by action of the hydrogen peroxide on a lignin-containing material.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: October 5, 2021
    Assignee: King Abdulaziz University
    Inventor: Sherif Shawki Zaki Hindi
  • Method for making a water treatment adsorbent filter
    Patent number: 11135563
    Abstract: A method of removing an organic pollutant from water by contacting the water with a ball milled and sonicated oil fly ash powder to adsorb the organic pollutant onto the ball milled and sonicated oil fly ash powder. A method of producing a ball milled and sonicated oil fly ash powder involving ball milling oil fly ash to provide ball milled oil fly ash particles with an average particle size of less than 1 ?m and sonicating the ball milled oil fly ash particles in an aqueous medium to form the ball milled and sonicated oil fly ash powder. A method of improving recovery of valuable metals/elements from oil fly ash.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: October 5, 2021
    Assignee: King Abdulaziz University
    Inventors: Numan Salah, M. Sh. Abdel-Wahab, Adnan Memic, Ahmed Alshahrie, Mohammad Aslam
  • Flexible alternating current transmission system with multilevel inverter
    Patent number: 11133754
    Abstract: A multilevel inverter includes an inner DC source group circuit that generates a plurality of voltage levels, and an outer DC source group circuit that generates a substantially sinusoidal output voltage. The substantially sinusoidal output voltage is generated using, at least in part, the plurality of voltage levels generated by the inner DC source group circuit. An H-bridge circuit supplies the substantially sinusoidal output voltage at alternating polarities to a load.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: September 28, 2021
    Assignee: KING ABDULAZIZ UNIVERSITY
    Inventors: Hussain Bassi, Muhyaddin Jamal Rawa
  • Method for detecting MERS-CoV in Camilidae
    Patent number: 11131672
    Abstract: A method for detecting MERS-CoV at high sensitivity and specificity using IgY antibodies that bind to MERS-CoV N protein, its fragments and domains. Isolated or purified IgY monospecific antibodies to MERS-CoV N protein.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: September 28, 2021
    Assignee: King Abdulaziz University
    Inventors: Ayman Talaat Abbas Abdelhadi, Esam Ibraheem Ahmed Azhar, Sherif Aly Abdelkhalek Elkafrawy, Sayed Sartaj Sohrab
  • Catechin and gingerol loaded nanomedicine
    Patent number: 11129797
    Abstract: A nanomedicine for the treatment of obesity comprising either noble metal nanoparticles having surface ligands comprising a mixture comprising (+)-catechin (2R,3S) and gingerol or particles of a carbon nanomaterial having an adsorbed mixture comprising (+)-catechin (2R,3S) and gingerol. Also provided are a method for making the noble metal nanomedicine and the carbon nanomedicine. The nanomedicine is used in a method of treating obesity.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: September 28, 2021
    Assignee: King Abdulaziz University
    Inventors: Imran Kazmi, Syed Sarim Imam, Muhammad Afzal, Muhammad Shahid Nadeem, Fahad A. Al-Abbasi, Firoz Anwar
  • METHOD FOR CONTOURING A DENTAL RESTORATION
    Publication number: 20210290341
    Abstract: A scalpel that safely and efficiently removes excess dental composite from the surfaces of teeth. A method for removing excess dental composite from a dental surface using this dental scalpel.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 23, 2021
    Applicant: King Abdulaziz University
    Inventors: Fahad Ibrahim FATINY, Helal M. SUNBOL, Turki Y. ALHAZZAZI
  • SYSTEM AND METHOD FOR CHARGING ELECTRIC VEHICLES AT SMART PARKING LOTS
    Publication number: 20210291694
    Abstract: A smart parking lot system for charging electric vehicles (EVs) includes a charger unit, a switching unit, an interface unit, and a control unit. The charger unit includes m chargers, the switching unit includes matrix switch elements S(i,j) configured to switch a connection between an i-th input port and a j-th output port according to a control signal specifying an address (i,j) and a switching state. An interface unit includes n interface ports to be connected with EVs parked for charging. Each of the m chargers is connected with one of m input ports of the matrix switch, respectively. Each of the n interface ports is connected with one of n output ports of the matrix switch, respectively. The control unit is configured to provide for the EV connected with an interface port, accessibilities to at least two chargers with different output power levels, when available.
    Type: Application
    Filed: March 23, 2020
    Publication date: September 23, 2021
    Applicant: King Abdulaziz University
    Inventors: Mostafa SHAABAN, Hatem Faiz SINDI
  • TREADMILLS WITH OBSTACLES AND METHODS OF USE
    Publication number: 20210291014
    Abstract: A treadmill may be configured for gait training and/or therapy with attachable/detachable barriers affixable to a belt and/or with a vertical obstacle module and/or with sensor systems, but without requiring hoists, harnesses, attachments to the treadmill or base, or frame, and/or excessively high treadmill frames, such as those that exceed the height of the person on the treadmill. The barriers on the belt are configured to modify movement of only one foot of a person on the treadmill. The treadmill may use a single, integral belt. Methods of gait training and/or therapy may involve such treadmills without excessive expense and without excessive modification of standard treadmill equipment.
    Type: Application
    Filed: March 18, 2020
    Publication date: September 23, 2021
    Applicant: King Abdulaziz University
    Inventors: Nazeeh ALOTHMANY, Ehab Hafiz WALI, Abdulhameed ALKHATEEB, Umar ALABASI, Mirza PASOVIC
  • Cooling system with defrost and temperature rise indicator
    Patent number: 11125489
    Abstract: A defrost or thaw measuring device has a dumbbell or hourglass-shaped rotatable compartment with a cavity, the cavity being partly filled with at least two phase change materials having different melting points. The measuring device may determine the time period of thawing at two or more temperature intervals in the refrigeration space.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: September 21, 2021
    Assignee: King Abdulaziz University
    Inventor: Laila Ahmed Salim Bahammam
  • Method and system for virtual outfit fitting based on a smart wardrobe
    Patent number: 11127209
    Abstract: A system configured to facilitate virtual outfit fitting is described. The system includes a smart closet device having components including a display door and a plurality of image sensors. A first image sensor of the plurality of image sensors is configured to move across a horizontal axis and a vertical axis of enclosure of the smart closet device to capture a plurality of images of a first outfit hung on an outfit hanging column. The smart closet device also includes a computing unit to generate a three-dimensional (3D) model of the first outfit based on the plurality of images. The computing unit is further configured to update an outfit database by storing the generated 3D model of the first outfit in an outfit database. The computing unit generate an image of a user wearing the output in response to receiving a selection of the first output from the user.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: September 21, 2021
    Assignee: King Abdulaziz University
    Inventors: Tala Hashem Mohammed Alhebshi, Laila Ahmed Salim Bahammam
  • Biodegradable core-shell fibrous scaffolds for controlled oxygen and drug release
    Patent number: 11124897
    Abstract: Coaxial electrospinning is used to encapsulate a chitin-lignin based hybrid gel with polycaprolactone (PCL). Antibiotics and/or other bioactive agents loaded into the core and/or shell layer of the fibrous platform are released in a controlled and sustained manner that effectively inhibits both Gram-positive and Gram-negative bacteria without cytotoxicity to mammalian cells. The PCL shell layer provides longer life for the CL gels in a wet environment and allows sustainable drug release. The PCL-coated CL nanofiber scaffolds can be loaded with antimicrobial nanoparticles, antibiotics, oxygen-releasing agents, antioxidants and/or growth factors that promote healing when used as a controlled drug release dressing for chronic wounds, such as diabetic ulcers.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: September 21, 2021
    Assignee: King Abdulaziz University
    Inventors: Tuerdimaimaiti Abudula, Kalamegam Gauthaman, Ahmed Alshahrie, Numan Salah, Adnan Memic
  • METHOD FOR SOLAR HEATING A DUPLEX ENGINE
    Publication number: 20210285695
    Abstract: A solar energy powered Stirling duplex cooler is presented which includes a Stirling engine and a Stirling cooler. The Stirling engine drives the Stirling cooler to produce cold temperatures for refrigeration or air conditioning. The Stirling duplex cooler includes a solar concentrator to focus high temperature solar radiation upon the Stirling engine expansion space. The Stirling duplex cooler further includes a thermal storage tank to receive and store heat rejected from the cooler expansion space. This stored heat is used to operate the cooler at night. A flywheel connected operatively to engine and cooler expansion space pistons and a crankshaft connected operatively to engine and cooler compression space pistons actuate the pistons to move a working fluid between the expansion and compression spaces.
    Type: Application
    Filed: June 2, 2021
    Publication date: September 16, 2021
    Applicant: King Abdulaziz University
    Inventor: Majed Moalla ALHAZMY