Patents by Inventor Wei An

Wei An 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: 20240166341
    Abstract: A landing gear and an unmanned aerial vehicle. The landing gear includes: a driving device; a first transmission shaft, connected to the driving device; and a first supporting leg, connected to the first transmission shaft. The driving device is configured to drive the first transmission shaft to rotate about a first direction and a second direction. The first transmission shaft drives the first supporting leg to rotate about the second direction. An included angle between the first direction and the second direction is an acute angle. In this way, when the driving device drives the first transmission shaft to rotate, the landing gear may be retracted or extended.
    Type: Application
    Filed: January 29, 2024
    Publication date: May 23, 2024
    Inventor: Xinfu WEI
  • Publication number: 20240166866
    Abstract: A resin composition is provided. The resin composition includes a resin and an inorganic filler. The resin includes a bismaleimide resin and a polyphenylene ether resin. The inorganic filler includes a first inorganic filler and a second inorganic filler. An average particle size of the first inorganic filler is 0.3 ?m to 0.6 ?m. An average particle size of the second inorganic filler is 20 ?m to 50 ?m.
    Type: Application
    Filed: March 13, 2023
    Publication date: May 23, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Hung-Yi Chang, Chia-Lin Liu, Wei-Ru Huang
  • Publication number: 20240166449
    Abstract: An inspection robot system, including one or more detection devices, a rail, a traction device, one or more connecting devices, and a multi-axis manipulator. The detection devices are configured to at least obtain environmental image information. The rail is suspended in an air. The traction device includes a steel cable and a steel cable drive assembly. The steel cable drive assembly is connected to the steel cable and is configured to drive the steel cable to move along an axial direction of the steel cable. The connecting devices are slidably connected to the rail. The detection devices are respectively arranged on the connecting devices. The connecting devices are connected to the steel cable and are configured to move along the rail under a traction of the steel cable. At least one of the connecting devices is/are each provided with the multi-axis manipulator.
    Type: Application
    Filed: June 4, 2021
    Publication date: May 23, 2024
    Applicants: TAIYUAN UNIVERSITY OF TECHNOLOGY, SHANXI DEDICATED MEASUREMENT CONTROL CO., LTD., TAIYUAN BOSHITONG MACHINERY, ELECTRICITY AND HYDRAULIC ENGINEERING CO., LTD.
    Inventors: Ziming KOU, Juan WU, Shaoni JIAO, Xin LI, Wei ZHANG, Xinjie FAN, Jiabao XUE, Lijun ZHANG, Yongyong DONG, Qingshan NIU
  • Publication number: 20240166795
    Abstract: A xylylene diisocynate composition, a preparation method therefor and the use thereof. The xylylene diisocynate composition includes xylylene diisocynate and 0.2-500 ppm of a compound represented by formula (1). A resin prepared from the provided xylylene diisocynate composition has an excellent discoloration resistance and can effectively inhibit yellowing and/or white turbidity thereof.
    Type: Application
    Filed: March 10, 2022
    Publication date: May 23, 2024
    Applicant: WANHUA CHEMICAL GROUP CO., LTD.
    Inventors: Fulin ZHU, Yonghua SHANG, Jianfeng LI, Weijie LIU, Peng WANG, Wenbin LI, Pengfei WANG, Qian WU, Wei LIU, Yuan LI
  • Publication number: 20240166537
    Abstract: In some aspects, the techniques described herein relate to a method of capturing carbon from seawater, the method including: flowing input seawater including bicarbonate and having a pH greater than 8 through a center compartment of an electrolytic cell, wherein the center compartment is disposed between an anode compartment and a cathode compartment of the electrolytic cell; acidifying the input seawater in the center compartment with a proton, to form acidified seawater; generating carbon dioxide in the center compartment including reaction of the proton with the bicarbonate from the input seawater; flowing acidified seawater out of the center compartment; contacting the acidified seawater with hydroxide or a hydroxide salt from the cathode compartment to generate basified seawater having a pH greater than 9; and flowing hydrogen generated in the cathode compartment to the anode compartment.
    Type: Application
    Filed: November 9, 2023
    Publication date: May 23, 2024
    Inventors: Litao Yan, Wei Wang, Yuyan Shao
  • Publication number: 20240172347
    Abstract: A lighting device includes a driver, a first light string, a second light string, a constant current controller and a pulse width modulation controller. The driver is configured to provide a DC driving current to a shunt node. The first light string is electrically coupled between the shunt node and a ground terminal, and the first light string is driven by a first pulsating direct current. The second light string and the constant current controller are electrically coupled in series between the shunt node and the ground terminal. The pulse width modulation controller is configured to provide a pulse signal to the constant current controller, and the constant current controller controls a pulse frequency of a second pulsating direct current supplied for the second light string according to the pulse signal.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 23, 2024
    Inventors: Chih-Hsien Wang, Kuan-Hsien Tu, Kai-Wei Chen, Ming-Chieh Cheng
  • Publication number: 20240167043
    Abstract: The present disclosure relates to a transgenic plant cell comprising polynucleotide sequences encoding glycolate dehydrogenase, malate synthase, and an inhibitory polynucleotide targeting an endogenous glycolate transporter Plgg1, wherein expression of endogenous glycolate transporter Plgg1 in the transgenic plant cell is about 20% to 80% of expression of endogenous glycolate transporter Plgg1 in a plant cell that is not transformed with an inhibitory polynucleotide targeting an endogenous glycolate transporter Plgg1. Also disclosed are transgenic plants, transgenic plant cultures, and methods for increasing photosynthesis efficiency in plants. The disclosed methods enhance biomass productivity and reduce the negative impact of photorespiration and introduction of transgenic constructs on plant growth.
    Type: Application
    Filed: February 6, 2024
    Publication date: May 23, 2024
    Inventors: Madeline HALL, Li-Wei CHIU, Rebecca DEWHIRST, Jacob HOYLE, Patrick MELLOR, Karli RASMUSSEN, Yumin TAO
  • Publication number: 20240166817
    Abstract: A resin composition including a modified maleimide resin is provided. The modified maleimide resin is formed from a dicyclopentadiene (DCPD)-based resin having an amino group and a maleic anhydride by a condensation polymerization. The dicyclopentadiene-based resin having an amino group is formed by nitration reaction and hydrogenation reaction of dicyclopentadiene phenolic resin.
    Type: Application
    Filed: April 11, 2023
    Publication date: May 23, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Yu-Ting Liu, Hung-Yi Chang, Chia-Lin Liu, Wei-Ru Huang
  • Publication number: 20240166865
    Abstract: A thermoplastic composition comprising: 45-90 wt % of a polycarbonate; 5-15 wt % of a brominated polycarbonate; a polycarbonate-siloxane copolymer in an amount effective to provide 0.2-2 wt % siloxane based on the total weight of the thermoplastic composition; 2-10 wt % of a silicone-containing impact modifier comprising a core-shell impact modifier; 0.1-1 wt % of a flame retardant comprising an alkyl sulfonate salt, aromatic sulfone sulfonate, an aromatic sulfonate salt, or a combination thereof; optionally, 0.5-10 wt % titanium dioxide; optionally, 0.1-1 wt % carbon black, wherein the wt % of each component is based on the total weight of the composition, which totals 100 wt %.
    Type: Application
    Filed: March 9, 2022
    Publication date: May 23, 2024
    Inventors: Xing LIU, Wei SHAN, Yun ZHENG, Rui GAO
  • Publication number: 20240167012
    Abstract: An aspartic protease and the use of the aspartic protease in the hydrolysis of gluten. This protease can hydrolyze gluten and the gluten-derived immunogenic peptides at pH 2.0˜4.0. Also provided are methods for the production of the aspartic protease, including recombinant plasmids, transformants, and a purification method thereof; methods of using the aspartic protease to prepare drugs and oral enzyme supplements for treatment of diseases or discomforts related to gluten ingestion, such as celiac disease; and a method of using the asparic protease in food-processing process to remove or reduce gluten in foods or beverages.
    Type: Application
    Filed: August 8, 2023
    Publication date: May 23, 2024
    Inventors: Meng Hsiao MENG, Wei Ming LEU, Yu Han ZHANG
  • Publication number: 20240166874
    Abstract: A resin composition including a modified maleimide resin is provided. The modified maleimide resin is formed from a dicyclopentadiene (DCPD)-based resin having an amino group and a maleic anhydride by a condensation polymerization. The dicyclopentadiene-based resin having an amino group is formed by nitration reaction and hydrogenation reaction of dicyclopentadiene phenolic resin.
    Type: Application
    Filed: April 13, 2023
    Publication date: May 23, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Yu-Ting Liu, Hung-Yi Chang, Chia-Lin Liu, Wei-Ru Huang
  • Publication number: 20240167451
    Abstract: A strip for a spar cap is provided, wherein the strip is made from a composite material including a matrix and a reinforcement, and includes a first and second end region connected together in a longitudinal direction by an intermediate region having two mutually opposed longitudinally extending and parallelly disposed intermediate surfaces, wherein a thickness is determinable perpendicular to the two intermediate surfaces and a width is determinable perpendicular to the longitudinal direction and perpendicular to the thickness, wherein at least one of the first and the second end regions is a chamfered end region, wherein the at least one chamfered end region is simultaneously chamfered along the width and the thickness, wherein the at least one chamfered end region has a first edge at the intermediate region and a second edge at its free end, wherein the first edge and the second edge are substantially parallel to one another.
    Type: Application
    Filed: March 3, 2022
    Publication date: May 23, 2024
    Inventors: Mogens Nielsen, Wei Sun
  • Publication number: 20240167163
    Abstract: An anti-diffusion substrate structure includes a substrate, a substrate circuit layer, and a chip. The substrate has multiple through holes. Within each of the through holes includes a first metal layer and an anti-diffusion layer plated on the first metal layer. The anti-diffusion layer is an Electroless Palladium Immersion Gold (EPIG) layer or an Electroless Nickel Electroless Palladium Immersion Gold (ENEPIG) layer. The substrate circuit layer is mounted on the substrate and extended on the anti-diffusion layer within each of the through holes. The substrate circuit layer is made of a second metal layer, and a composition of the second metal layer is different from a composition of the first metal layer. The chip is electrically connected to the substrate circuit layer. The anti-diffusion layer is able to better prevent material of the first metal layer from migrating or diffusing to the second metal layer.
    Type: Application
    Filed: December 23, 2022
    Publication date: May 23, 2024
    Inventors: YI LING CHEN, WEI TSE HO, CHIN-SHENG WANG, PU-JU LIN, CHENG-TA KO
  • Publication number: 20240167138
    Abstract: A low-carbon and low-alloy dual-phase steel and hot-dip galvanized dual-phase steel having tensile strength greater than or equal to 980 MPa and a method for manufacturing by means of rapid heat treatment. The steel has the following chemical components in percentage by mass: C: 0.05-0.17%, Si: 0.1-0.7%, Mn: 1.4-2.8%, P?0.020%, S?0.005%, B?0.005%, and Al: 0.02-0.055%, and may further contain two or more of Nb, Ti, Cr, Mo, and V, Cr+Mo+Ti+Nb+V?1.1%, the balance is Fe and other inevitable impurities. The method for manufacturing the steel comprises: smelting, casting, hot rolling, cold rolling and rapid heat treatment procedures. According to the present invention, the recovery, recrystallization and austenite transformation process of a deformed structure is changed, the nucleation rate is increased, the grain growth time is shortened, grains are refined, the strength of the material is improved, and the performance range of the material is expanded.
    Type: Application
    Filed: March 31, 2022
    Publication date: May 23, 2024
    Applicant: BAOSHAN IRON & STEEL CO., LTD.
    Inventors: Jian WANG, Jun LI, Liyang ZHANG, Huafei LIU, Junfei WANG, Xiaofeng DU, Wei XIONG, Baoping ZHANG, Fengzhi LU, Zhanhong MAO, Chuang GUAN
  • Publication number: 20240166784
    Abstract: The present invention relates to a polymer latex composition, to a method for the preparation of such a polymer latex composition, to the use of said polymer latex composition for the production of elastomeric articles, to a compounded latex composition comprising said polymer latex composition, to a method for making dip-molded articles, to a method for making elastomeric articles and to articles made by using said polymer latex composition.
    Type: Application
    Filed: March 8, 2022
    Publication date: May 23, 2024
    Applicant: Synthomer Sdn. Bhd.
    Inventors: Zhenli Wei, Yi-Fan Goh, Chi Hoong Chan
  • Publication number: 20240167204
    Abstract: A breathable and waterproof non-woven fabric is manufactured by a manufacturing method including the following steps. Performing a kneading process on 87 to 91 parts by weight of a polyester, 5 to 7 parts by weight of a water repellent, and 3 to 6 parts by weight of a flow promoter to form a mixture, in which the polyester has a melt index between 350 g/10 min and 1310 g/10 min at a temperature of 270° C., and the mixture has a melt index between 530 g/10 min and 1540 g/10 min at a temperature of 270° C. Performing a melt-blowing process on the mixture, such that the flow promoter is volatilized and a melt-blown fiber is formed, in which the melt-blown fiber has a fiber body and the water repellent disposed on the fiber body with a particle size (D90) between 350 nm and 450 nm.
    Type: Application
    Filed: January 30, 2024
    Publication date: May 23, 2024
    Inventors: Ying-Chi LIN, Wei-Hung CHEN, Li-Chen CHU, Rih-Sheng CHIANG
  • Publication number: 20240166939
    Abstract: A composition includes Janus carbon nanoparticles dispersed in an aqueous-based oil recovery fluid, wherein each of the carbon nanoparticles includes a hydrophobic surface and a hydrophilic surface. A method of preparing an enhanced oil recovery fluid including carbonizing waste plastic material to provide carbon microparticle, functionalizing the carbon microparticles such that the carbon microparticles comprise a hydrophilic surface functionality, grinding the carbon microparticles to provide Janus carbon nanoparticles, wherein the Janus carbon nanoparticles comprise a hydrophilic surface and a hydrophobic surface, and mixing the Janus carbon nanoparticles with an aqueous-based fluid to provide the enhanced oil recovery fluid.
    Type: Application
    Filed: November 18, 2022
    Publication date: May 23, 2024
    Applicant: ARAMCO SERVICES COMPANY
    Inventors: Wei Wang, Sehoon Chang, Ayrat Gizzatov
  • Publication number: 20240167383
    Abstract: A telescopic device includes a first U-shaped connector with a plurality sets of adjustment slots defined in two sides thereof and arranged along an adjustment direction; a second U-shaped connector defining first through holes in two sides thereof, the second U-shaped connector being inserted into the first U-shaped connector with U-shaped openings thereof opposite to each other to define an accommodating space; a first spring located in the accommodating space and abutting against the first and second U-shaped connectors, respectively; an elastic pin with two ends thereof extending through the first through holes and engaging into one of the plurality sets of adjustment slots; and an initial fixing pin being detachably connected to the first and second U-shaped connectors. A telescopic annular tunnel steel arch includes an upper arch, two lower arches and two telescopic devices connecting two ends of the upper arch to the two lower arches, respectively.
    Type: Application
    Filed: September 6, 2023
    Publication date: May 23, 2024
    Inventors: Xinjiang Wei, Zeyu Cheng, Hongshui Zhu, Shiming Du, Jun Zhao, Yun Wang, Hanhua Zhu, Tongchun Han
  • Publication number: 20240167000
    Abstract: A construction method and an application of an ovarian granulosa cell line of Oncorhynchus mykiss are provided. The construction method includes transferring a single follicle to a complete Minimum Essential Medium (MEM) containing collagenase H for digestion and transferring primary ovarian granulosa cells to 18° C. for constant temperature culture. The disclosure also provides an ovarian granulosa cell line constructed according to the construction method, and the application of the ovarian granulosa cell line in the separation and culture of fish granulosa cells, the molecular regulation mechanism of granulosa cells and the establishment of hormone metabolism cell models. The construction method of the disclosure has strong repeatability and simple operation steps, and after primary culture, the granulosa cells have good growth state and stable physiological state.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Inventors: Tianqing HUANG, Enhui LIU, Gefeng XU, Wei GU, Gaochao WANG, Bingqian WANG, Kaibo GE
  • Publication number: 20240168037
    Abstract: The invention relates to a method for prognosing ACS in a subject, the method comprising determining plasma MIF and Nt-proBNP (or BNP) concentrations in a sample from the subject, diagnosing ACS when the subject plasma concentrations are greater than a reference MIF and Nt-proBNP (or BNP) plasma concentration, and prognosing the magnitude of ACS from the subject plasma MIF and Nt-proBNP (or BNP) concentrations. Also provided is a method of treating ACS in a subject, a device, a kit, and a cardiac biomarker related to the methods of prognosing ACS.
    Type: Application
    Filed: July 20, 2023
    Publication date: May 23, 2024
    Applicants: ALFRED HEALTH, PEKING UNIVERSITY THIRD HOSPITAL
    Inventors: ANTHONY DART, Wei Gao