Patents by Inventor Ali Kosar
Ali Kosar 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).
-
Publication number: 20240102743Abstract: Optimized 3-D graphene structures used to enhance thermal performance of the thermal systems such as vapor chambers are provided. The porosity of the wick/porous structure has a critical effect on the efficiency of a vapor chamber system. Graphene coating provides high thermal conductivity, and it has a high porous structure, which is favorable for vapor chamber devices.Type: ApplicationFiled: November 24, 2020Publication date: March 28, 2024Applicants: ASELSAN ELEKTRONIK SANAYI VE TICARET ANONIM SIRKETI, APAK ENDUSTRI MUHENDISLIK MAKINE SANAYI VE TICARET LIMITED SIRKETI, SABANCI UNIVERSITESI NANOTEKNOLOJI ARASTIRMA VE UYGULAMA MERKEZI, SABANCI UNIVERSITESIInventors: Ali KOSAR, Ismet Inonu KAYA, Abdolali Khalili SADAGHIANI, Alper APAK, Ahmet Muhtar APAK, Murat PARLAK, Umur TASTAN, Mehmet BONCU
-
Patent number: 11573034Abstract: A device including a liquid's flow path having an upstream side and a downstream side, a plurality of flow restrictive elements providing material communication between the upstream side to the downstream side, a thermoelectric generator or a thermophotovoltaic cell in thermal connection with a portion of the device located at the downstream side with respect to the plurality of flow restrictive elements. The portion is provided with roughness elements for, in use, contacting a fluid flowing through the device and facilitating collapse of cavitation bubbles.Type: GrantFiled: August 9, 2016Date of Patent: February 7, 2023Assignee: SABANCI ÜNIVERSITESIInventor: Ali Kosar
-
Patent number: 11473856Abstract: A heat exchanger having a heat transfer surface provided with hyperthermophilic bacteria. The hyperthermophilic bacteria can be from the genera Archaea. The hyperthermophilic bacteria can further be from the genus Sulfolobus, and the hyperthermophilic bacteria can further be from the species Sulfolobus solfataricus. The heat exchanger can be adapted to pool-boiling heat transfer.Type: GrantFiled: April 2, 2018Date of Patent: October 18, 2022Assignee: SABANCI UNIVERSITESIInventors: Ali Kosar, Devrim Gozuacik, Abdolali Khalili Sadaghiani, Yunus Akkoc, Ahmad Reza Motezakker
-
Publication number: 20210087451Abstract: A heat exchanger having a heat transfer surface provided with hyperthermophilic bacteria. The hyperthermophilic bacteria can be from the genera Archaea. The hyperthermophilic bacteria can further be from the genus Sulfolobus, and the hyperthermophilic bacteria can further be from the species Sulfolobus solfataricus. The heat exchanger can be adapted to pool-boiling heat transfer.Type: ApplicationFiled: April 2, 2018Publication date: March 25, 2021Applicant: SABANCI UNIVERSITESIInventors: Ali KOSAR, Devrim GOZUACIK, Abdolali KHALILI SADAGHIANI, Yunus AKKOC, Ahmad Reza MOTEZAKKER
-
Publication number: 20210023239Abstract: The present invention relates to oligonucleotide carriers for oligonucleotide delivery to a subject to provide gene therapy. More particularly, the present invention relates to therapeutic nanoparticles for microRNA (miRNA) delivery to a subject. More particularly, the present invention relates to therapeutic nanoparticles wherein miRNA is bindable to biocompatible nanoparticles using natural gene carrier Argonaute (AGO) protein or a variant thereof. Optionally, therapeutic nanoparticles of the present invention additionally contain targeting moieties for targeting therapeutic nanoparticles to cancer cells and/or chemotherapeutic agents. Optionally, biocompatible nanoparticles are trackable nanoparticles, such as superparamagnetic iron oxide nanoparticles (SPION), to provide multifunctional theranostics.Type: ApplicationFiled: March 10, 2018Publication date: January 28, 2021Applicants: KOC UNIVERSITESI, SABANCI UNIVERSITESI, SABANCI UNIVERSITESI NANOTEKNOLOJI ARASTIRMA VE UYGULAMA MERKEZIInventors: Havva Yagci ACAR, Devrim GOZUACIK, Ali KOSAR, Ozlem UNAL, Muhammed KOCAK, Yunus AKKOC, Merve ZUVIN
-
Patent number: 10837604Abstract: A flow system for avoiding particle agglomeration in nanofluids, including a flow restrictive element, wherein the flow restrictive element in use provides sudden expansion to the fluid such that cavitation takes place the fluid upon exiting the flow restrictive element. The flow system includes the flow restrictive element having a hydraulic diameter within a range between 0.5 ?m and 250 ?m, a vicinity of the flow restrictive element is provided with a heater, adapted to heat the nanofluid in the vicinity of the flow restrictive element.Type: GrantFiled: October 22, 2015Date of Patent: November 17, 2020Assignees: SABANCI ÜNIVERSITESI, OZYEGIN ÜNIVERSITESIInventors: Ali Kosar, Kürsat Sendur, Mustafa Pinar Mengüc
-
Publication number: 20200182514Abstract: A device including a liquid's flow path having an upstream side and a downstream side, a plurality of flow restrictive elements providing material communication between the upstream side to the downstream side, a thermoelectric generator or a thermophotovoltaic cell in thermal connection with a portion of the device located at the downstream side with respect to the plurality of flow restrictive elements. The portion is provided with roughness elements for, in use, contacting a fluid flowing through the device and facilitating collapse of cavitation bubbles.Type: ApplicationFiled: August 9, 2016Publication date: June 11, 2020Applicant: SABANCI ÜNIVERSITESIInventor: Ali KOSAR
-
Publication number: 20190049071Abstract: The present invention proposes a flow system for avoiding particle agglomeration in nanofluids, comprising a flow restrictive element which in use provides sudden expansion to the fluid such that cavitation takes place in the fluid upon exiting the flow restrictive element.Type: ApplicationFiled: October 22, 2015Publication date: February 14, 2019Applicants: SABANCI ÜNIVERSITESI, OZYEGIN ÜNIVERSITESIInventors: Ali KOSAR, Kürsat SENDUR, Mustafa Pinar MENGÜC
-
Patent number: 10166330Abstract: A pharmaceutical drug delivery system having a base (1) comprising at least two inlets (2), an outlet (20) and a passive mixing chamber (7) having micro pin fins (8) with heights in the range of 10 to 100???? characterized in that the base (1) is selectively coated with nanostructures which are made of a material different than the material of said base, such that the base (1) comprises a plurality of regions R1 to RN each having a different nanostructure coating intensity, and such that a surface tension gradient is established among regions R1 to RN for promoting fluid flow towards the outlet (20). The present invention further proposes a method for obtaining a pharmaceutical drug delivery system.Type: GrantFiled: March 12, 2015Date of Patent: January 1, 2019Assignee: SABANCI ÜNIVERSITESIInventors: Ali Kosar, Osman Yavuz Perk
-
Publication number: 20170072138Abstract: A pharmaceutical drug delivery system having a base (1) comprising at least two inlets (2), an outlet (20) and a passive mixing chamber (7) having micro pin fins (8) with heights in the range of 10 to 100???? characterized in that the base (1) is selectively coated with nanostructures which are made of a material different than the material of said base, such that the base (1) comprises a plurality of regions R1 to RN each having a different nanostructure coating intensity, and such that a surface tension gradient is established among regions R1 to RN for promoting fluid flow towards the outlet (20). The present invention further proposes a method for obtaining a pharmaceutical drug delivery system.Type: ApplicationFiled: March 12, 2015Publication date: March 16, 2017Applicant: SABANCI ÜNIVERSITESIInventors: Ali KOSAR, Osman Yavuz PERK
-
Patent number: 8986322Abstract: An apparatus for using hydrodynamic cavitation in medical treatment such as destroying kidney stones or killing infected cancer cells. This apparatus comprises a tank used as a container for a fluid, a compressor connected to the tank to maintain the input pressure of the fluid, a tubing wherein the fluid flows, a probe in which the cavitation occurs, a valve positioned inside the tubing, allowing the fluid to flow into the probe, a filter positioned inside the tubing, preventing the predetermined size particles flowing into the probe, a fitting connecting the probe to the tubing, a flowmeter measuring the volume flow rate of the fluid through the probe, an image capturing unit capturing the sequential images of bubbles growing and bubbles collapsing after the bubbles exit from the probe, a positioning assembly which adjusts the distance between the probe and the target surface, and a control and data acquisition unit.Type: GrantFiled: May 14, 2010Date of Patent: March 24, 2015Assignee: Sabanci UniversitesiInventor: Ali Kosar
-
Publication number: 20140246171Abstract: A nanoplasmonic device includes a nanoplasmonicly heatable layer having a heating side and a cooling side, the heatable layer including a plurality of localized energy receiving sites; and a cooling structure located adjacent to the cooling side, the cooling structure including a nanoscale structure to remove heat from the heated layer.Type: ApplicationFiled: October 5, 2011Publication date: September 4, 2014Applicants: OZYEGIN UNIVERSITY, SABANCI UNIVERSITYInventors: Ibrahim Kursat Sendur, Ali Kosar, Mustafa Pinar Menguc
-
Publication number: 20130116703Abstract: An apparatus for using hydrodynamic cavitation in medical treatment such as destroying kidney stones or killing infected cancer cells. This apparatus comprises a tank used as a container for a fluid, a compressor connected to the tank to maintain the input pressure of the fluid, a tubing wherein the fluid flows, a probe in which the cavitation occurs, a valve positioned inside the tubing, allowing the fluid to flow into the probe, a filter positioned inside the tubing, preventing the predetermined size particles flowing into the probe, a fitting connecting the probe to the tubing, a flowmeter measuring the volume flow rate of the fluid through the probe, an image capturing unit capturing the sequential images of bubbles growing and bubbles collapsing after the bubbles exit from the probe, a positioning assembly which adjusts the distance between the probe and the target surface, and a control and data acquisition unit.Type: ApplicationFiled: May 14, 2010Publication date: May 9, 2013Applicant: Sabanci UniversitesiInventor: Ali Kosar