Patents by Inventor E. DU
E. DU 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).
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Patent number: 12083515Abstract: An exemplary mobile impedance-based flow cytometer is developed for the diagnosis of sickle cell disease. The mobile cytometer may be controlled by a computer (e.g., smartphone) application. Calibration of the portable device may be performed using a component of known impedance value. With the developed portable flow cytometer, analysis may be performed on two sickle cell samples and a healthy cell sample. The acquired results may subsequently be analyzed to extract single-cell level impedance information as well as statistics of different cell conditions. Significant differences in cell impedance signals may be observed between sickle cells and normal cells, as well as between sickle cells under hypoxia and normoxia conditions.Type: GrantFiled: March 7, 2023Date of Patent: September 10, 2024Assignee: FLORIDA ATLANTIC UNIVERSITY BOARD OF TRUSTEESInventors: E Du, Darryl Dieujuste, Jia Liu, Yuhao Qiang
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Patent number: 12083516Abstract: An exemplary mobile impedance-based flow cytometer is developed for the diagnosis of sickle cell disease. The mobile cytometer may be controlled by a computer (e.g., smartphone) application. Calibration of the portable device may be performed using a component of known impedance value. With the developed portable flow cytometer, analysis may be performed on two sickle cell samples and a healthy cell sample. The acquired results may subsequently be analyzed to extract single-cell level impedance information as well as statistics of different cell conditions. Significant differences in cell impedance signals may be observed between sickle cells and normal cells, as well as between sickle cells under hypoxia and normoxia conditions.Type: GrantFiled: March 7, 2023Date of Patent: September 10, 2024Assignee: FLORIDA ATLANTIC UNIVERSITY BOARD OF TRUSTEESInventors: E Du, Darryl Dieujuste, Jia Liu, Yuhao Qiang
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Patent number: 12085333Abstract: A semi-passive cooling system for a component exposed to a fluid flow utilizes a hierarchical vasculature and a sacrificial transpirant to cool the component. The component includes a body that defines a transpirant reservoir and the hierarchical vasculature. The transpirant is configured to transition between a solid phase and a vapor phase over an operating temperature range of the component.Type: GrantFiled: September 8, 2020Date of Patent: September 10, 2024Assignee: Lawrence Livermore National Security, LLCInventors: James T. Cahill, Swetha Chandrasekaran, Wyatt L. Du Frane, Joshua D. Kuntz, Richard L. Landingham, Ryan Lu, Christopher M. Spadaccini, Amy Wat, Seth E. Watts, Marcus A Worsley
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Patent number: 12039862Abstract: A computer is provided for a system for detecting, characterizing, and mitigating road network congestion. The system includes a plurality of motor vehicles. Each motor vehicle includes a telematics control unit (TCU) for generating one or more location signals for a location of the associated motor vehicle and one or more event signals for an event related to the associated motor vehicle. The computer includes one or more processors for receiving the location signal and/or the event signal from the TCU of the associated motor vehicles. The computer further includes a non-transitory computer readable storage medium (CRM) including instructions, such that the processor is programmed to identify a location of the road network congestion at a current time step. The processor is further programmed to track the road network congestion and predict the road network congestion at a next time step.Type: GrantFiled: January 13, 2022Date of Patent: July 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Fan Bai, Donald K. Grimm, Paul E. Krajewski, Jiang-Ling Du, Mason David Gemar
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Publication number: 20230211340Abstract: An exemplary mobile impedance-based flow cytometer is developed for the diagnosis of sickle cell disease. The mobile cytometer may be controlled by a computer (e.g., smartphone) application. Calibration of the portable device may be performed using a component of known impedance value. With the developed portable flow cytometer, analysis may be performed on two sickle cell samples and a healthy cell sample. The acquired results may subsequently be analyzed to extract single-cell level impedance information as well as statistics of different cell conditions. Significant differences in cell impedance signals may be observed between sickle cells and normal cells, as well as between sickle cells under hypoxia and normoxia conditions.Type: ApplicationFiled: March 7, 2023Publication date: July 6, 2023Inventors: E Du, Darryl Dieujuste, Jia Liu, Yuhao Qiang
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Publication number: 20230211339Abstract: An exemplary mobile impedance-based flow cytometer is developed for the diagnosis of sickle cell disease. The mobile cytometer may be controlled by a computer (e.g., smartphone) application. Calibration of the portable device may be performed using a component of known impedance value. With the developed portable flow cytometer, analysis may be performed on two sickle cell samples and a healthy cell sample. The acquired results may subsequently be analyzed to extract single-cell level impedance information as well as statistics of different cell conditions. Significant differences in cell impedance signals may be observed between sickle cells and normal cells, as well as between sickle cells under hypoxia and normoxia conditions.Type: ApplicationFiled: March 7, 2023Publication date: July 6, 2023Inventors: E Du, Darryl Dieujuste, Jia Liu, Yuhao Qiang
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Patent number: 11618019Abstract: An exemplary mobile impedance-based flow cytometer is developed for the diagnosis of sickle cell disease. The mobile cytometer may be controlled by a computer (e.g., smartphone) application. Calibration of the portable device may be performed using a component of known impedance value. With the developed portable flow cytometer, analysis may be performed on two sickle cell samples and a healthy cell sample. The acquired results may subsequently be analyzed to extract single-cell level impedance information as well as statistics of different cell conditions. Significant differences in cell impedance signals may be observed between sickle cells and normal cells, as well as between sickle cells under hypoxia and normoxia conditions.Type: GrantFiled: September 27, 2019Date of Patent: April 4, 2023Assignee: Florida Atlantic University Board of TrusteesInventors: E Du, Darryl Dieujuste, Jia Liu, Yuhao Qiang
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Publication number: 20220003731Abstract: An exemplary portable automated device is developed for in vitro testing of blood vascular occlusion as a result of sickle cell disease. The portable automated device may be controlled by a computer (e.g., smartphone) application. Calibration of the portable device may be performed using a component of known impedance value. With the developed portable automated device, analysis may be performed on sickle cell samples on a microfluidic platform that mimics the structure of human capillaries. Significant differences in cell impedance signals may be observed between sickle cells and normal cells, as well as between sickle cells under hypoxia and normoxia conditions.Type: ApplicationFiled: May 6, 2021Publication date: January 6, 2022Inventors: E DU, Yuhao QIANG, Darryl DIEUJUSTE, Jia LIU
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Patent number: 11114045Abstract: A method and system for enhancing the visibility of screen images in a high ambient light condition or environment by processing the object images comprising a first stage to increase the brightness of transmission light from the back-light of an LCD screen and a second stage to further enhance the brightness as well as the contrast of the images to be displayed.Type: GrantFiled: October 23, 2019Date of Patent: September 7, 2021Assignee: JL MARINE SYSTEMS, INC.Inventors: Stephen E. du Buis, David Bailey
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Publication number: 20200171494Abstract: An exemplary mobile impedance-based flow cytometer is developed for the diagnosis of sickle cell disease. The mobile cytometer may be controlled by a computer (e.g., smartphone) application. Calibration of the portable device may be performed using a component of known impedance value. With the developed portable flow cytometer, analysis may be performed on two sickle cell samples and a healthy cell sample. The acquired results may subsequently be analyzed to extract single-cell level impedance information as well as statistics of different cell conditions. Significant differences in cell impedance signals may be observed between sickle cells and normal cells, as well as between sickle cells under hypoxia and normoxia conditions.Type: ApplicationFiled: September 27, 2019Publication date: June 4, 2020Inventors: E Du, Darryl Dieujuste, Jia Liu, Yuhao Qiang
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Patent number: 10621925Abstract: A method and system for enhancing the visibility of screen images in a high ambient light condition or environment by processing the object images comprising a first stage to increase the brightness of transmission light from the back-light of an LCD screen and a second stage to further enhance the brightness as well as the contrast of the images to be displayed.Type: GrantFiled: August 29, 2016Date of Patent: April 14, 2020Assignee: JL Marine Systems, Inc.Inventors: Stephen E. du Buis, David Bailey
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Publication number: 20180267021Abstract: The invention in some aspects relates to high throughput methods and devices for evaluating mechanical, morphological, kinetic, rheological or hematological properties of cells, such as blood cells under regulated gas conditions. In some aspects, the invention relates to methods and devices for diagnosing and/or characterizing a condition or disease in a subject by measuring a property of a cell from the subject, under controlled gas conditions.Type: ApplicationFiled: December 4, 2015Publication date: September 20, 2018Applicants: Carnegie Mellon University, Massachusetts Institute of TechnologyInventors: Subra SURESH, E. DU, Monica DIEZ SILVA, Ming DAO
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Patent number: 9644097Abstract: A polymeric stabilizer is produced by copolymerizing an unsaturated polyether with an unsaturated low molecular weight monomer in a controlled radical polymerization. The polymeric stabilizer is useful for producing polymer polyol products via a mechanical dispersion process or an in situ polymerization process.Type: GrantFiled: April 22, 2012Date of Patent: May 9, 2017Assignee: Dow Global Technologies LLCInventors: Lionel Petton, Hanno R. Van der Wal, Freddy Van Damme, Edwin Mes, Fillip E. Du Prez, Sam Verbrugghe, Jean-Paul Masy
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Publication number: 20140058037Abstract: A polymeric stabilizer is produced by copolymerizing an unsaturated polyether with an unsaturated low molecular weight monomer in a controlled radical polymerization. The polymeric stabilizer is useful for producing polymer polyol products via a mechanical dispersion process or an in situ polymerization process.Type: ApplicationFiled: April 22, 2012Publication date: February 27, 2014Inventors: Lionel Petton, Hanno R. Van der Wal, Freddy Van Damme, Edwin Mes, Fillip E. Du Prez, Sam Verbrugghe, Jean-Paul Masy
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Patent number: 8167827Abstract: The combined floor mat and continuous passive motion device may include a continuous passive motion device and a single and unitary floor mat preferably in continuous frictional contact with the ground surface. The floor mat may be laid end-to-end with the continuous passive motion device so that the proximal end of the continuous passive motion device is adjustably connected to a distal end of the floor mat. The continuous passive motion device may further include a mechanism for preventing the continuous passive motion device from shifting during the exercise so that the floor mat remains longitudinally aligned with the continuous passive motion device and continuously disposed at a flat and planar arrangement on the ground surface.Type: GrantFiled: July 16, 2008Date of Patent: May 1, 2012Inventor: Dan E Du Bose
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Patent number: 7147246Abstract: Method for controlling deployment of an airbag into a passenger compartment of a vehicle including detecting a position of an occupant whose forward-facing surface will be the surface which interacts with the airbag upon its deployment, determining a desired amount of gas within the airbag during inflation of the airbag based at least in part on the detected position of the occupant, and adjusting the amount of gas within the airbag during inflation of the airbag to provide the airbag with the desired amount of gas during its inflation. Adjustment of the amount of gas within the airbag may entail varying the amount of gas being directed into the airbag based on the morphology of the occupant (inflow control) and/or controlling the outflow of gas from the airbag based on the morphology of the occupant (outflow control).Type: GrantFiled: February 24, 2005Date of Patent: December 12, 2006Assignee: Automotive Technologies International, Inc.Inventors: David S. Breed, Wilbur E. Du Vall, Wendell C. Johnson
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Patent number: 6958451Abstract: Arrangement and method for determining weight of an occupying item in a seat including one or more weight sensors arranged to obtain a measurement of the force applied to the seat, a forcing function determination arrangement for measuring a forcing function of the seat and a processor coupled to the weight sensor(s) and forcing function determination arrangement for receiving the measurement of the force applied to the weight sensor(s) and the measurement of the forcing function from the forcing function measurement system and determining the weight of the occupying item based thereon. The forcing function determination arrangement may include an accelerometer and measures effects on the seat caused by load of a seatbelt associated with the seat and/or effects on the seat of road roughness, steering maneuvers, and a vehicle suspension system.Type: GrantFiled: June 19, 2002Date of Patent: October 25, 2005Assignee: Automotive Technologies International, Inc.Inventors: David S. Breed, Wilbur E. Du Vall, Wendell C. Johnson
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Patent number: 6733036Abstract: Automotive electronic safety network including devices such as a crash sensor and an airbag module and at least one electrical bus each coupling at least a portion of the devices and conveying power and/or information to or from the devices coupled to the bus. Each crash sensor generates signals relating to an impact of the vehicle and each airbag module includes a module housing, an airbag associated with the housing, an inflator assembly arranged in the housing for inflating the airbag and an electronic controller arranged in or adjacent the housing and coupled to the bus. The controller controls inflation of the airbag by the inflator assembly in consideration of the signals generated by the crash sensor(s). Each crash sensor is arranged separate and at a location apart from the housing of each airbag module. The bus can consist of a single pair of wires.Type: GrantFiled: August 8, 2001Date of Patent: May 11, 2004Assignee: Automotive Technologies International, Inc.Inventors: David S. Breed, Wilbur E. Du Vall, Wendell C. Johnson
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Publication number: 20030056997Abstract: Arrangement and method for determining weight of an occupying item in a seat including one or more weight sensors arranged to obtain a measurement of the force applied to the seat, a forcing function determination arrangement for measuring a forcing function of the seat and a processor coupled to the weight sensor(s) and forcing function determination arrangement for receiving the measurement of the force applied to the weight sensor(s) and the measurement of the forcing function from the forcing function measurement system and determining the weight of the occupying item based thereon. The forcing function determination arrangement may include an accelerometer and measures effects on the seat caused by load of a seatbelt associated with the seat and/or effects on the seat of road roughness, steering maneuvers, and a vehicle suspension system.Type: ApplicationFiled: June 19, 2002Publication date: March 27, 2003Inventors: David S. Breed, Wilbur E. Du Vall, Wendell C. Johnson
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Publication number: 20010038698Abstract: Arrangement and method for controlling audio reception by occupants of a vehicle in which the position of any occupants is determined and the entertainment system controlled to provide specific sound for the occupants based on the determined positions of the occupants. Sound generating components of the entertainment system are automatically adjustable based on the determined position of the occupants. A hypersonic sound generating system may be used wherein ultrasonic frequency generators generate ultrasonic waves which mix with ultrasonic waves generated by another ultrasonic frequency generator to thereby cause the creation of new audio frequencies in an area determined based on the position of the occupants. In addition, the presence and direction of unwanted noise may be detected and sound created to cancel the unwanted noise in the area including the determined positions of any occupants.Type: ApplicationFiled: April 20, 2001Publication date: November 8, 2001Inventors: David S. Breed, Wilbur E. Du Vall, Wendell C. Johnson