Patents by Inventor Weidong Wang

Weidong Wang 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).

  • Patent number: 12288863
    Abstract: Provided is a method for preparing a negative electrode sheet of nickel-metal hydride battery. The method includes steps of: obtaining a substrate roll; unwinding the substrate roll to unroll the substrate roll to form a substrate assembly (100), the substrate assembly (100) having a first-ring exposed segment (110), a middle-ring covered segment (120) and a tail-ring exposed segment (130) which are sequentially connected; and performing a slurry pulling treatment on the substrate assembly (100) to form a first active layer (210) and a second active layer (220) that are formed together on two opposite side faces of the substrate assembly (100), the first active layer (210) being attached to the first-ring exposed segment (110) and the middle-ring covered segment (120), and the second active layer (220) being attached to the middle-ring covered segment (120) and the tail-ring exposed segment (130).
    Type: Grant
    Filed: June 3, 2024
    Date of Patent: April 29, 2025
    Assignee: SHENZHEN EPT BATTERY CO., LTD
    Inventors: Weidong Wang, Chu Gao, Shenglong Cao, Shoujun Wang, Xiaoliang Yang, Lei Yuan, Zhaofeng Wu
  • Publication number: 20250132480
    Abstract: The present disclosure relates to a communication device such as a multiplexer or a demultiplexer, comprising: a housing comprising a common first port and a plurality of second ports; a plurality of cavity filters for transmitting a wireless signal between the first port and a corresponding one of the second ports, each of the plurality of cavity filters comprising one or more cavities formed in the housing and a resonator arranged in each cavity; and a coupler for coupling the first port to each cavity filter. The coupler is arranged in one cavity of each cavity filter, and is coupled to the resonator in the one cavity.
    Type: Application
    Filed: February 25, 2022
    Publication date: April 24, 2025
    Inventors: Jun Fu, Weidong Wang, Xueyuan Zhang
  • Publication number: 20250132304
    Abstract: Provided is a method for preparing a negative electrode sheet of nickel-metal hydride battery. The method includes steps of: obtaining a substrate roll; unwinding the substrate roll to unroll the substrate roll to form a substrate assembly (100), the substrate assembly (100) having a first-ring exposed segment (110), a middle-ring covered segment (120) and a tail-ring exposed segment (130) which are sequentially connected; and performing a slurry pulling treatment on the substrate assembly (100) to form a first active layer (210) and a second active layer (220) that are formed together on two opposite side faces of the substrate assembly (100), the first active layer (210) being attached to the first-ring exposed segment (110) and the middle-ring covered segment (120), and the second active layer (220) being attached to the middle-ring covered segment (120) and the tail-ring exposed segment (130).
    Type: Application
    Filed: June 3, 2024
    Publication date: April 24, 2025
    Inventors: Weidong Wang, Chu Gao, Shenglong Cao, Shoujun Wang, Xiaoliang Yang, Lei Yuan, Zhaofeng Wu
  • Publication number: 20250079681
    Abstract: The present disclosure relates to a resonance element for a cavity filter, the resonance element made of a metal sheet and comprising a planar portion to be positioned facing a first inner side of a resonance cavity of the cavity filter and an elongate supporting portion extending from the planar portion towards the second inner side of the resonance cavity opposite to the first inner side and connected therewith in a grounding state, wherein the planar portion is configured to be substantially in an E-shape, an F-shape, an L-shape or a T-shape when viewed along a direction perpendicular to a plane of the planar portion. The present disclosure also relates to a one-piece resonance member comprising the above resonance element and a cavity filter comprising the above-said resonance element and/or the above-said one-piece resonance member.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 6, 2025
    Inventors: Jun Zheng, Xueyuan Zhang, Weidong Wang, Lei Sun
  • Publication number: 20250079675
    Abstract: A filter cover, a resonator, an RF cavity filter comprising the filter cover or the resonator, and a communication device comprising the RF cavity filter are disclosed. A filter cover (2) according to an embodiment comprises, at its inner surface (21), at least one flexible flap (22, 23) for frequency tuning or coupling tuning, which extends from and substantially perpendicular to the inner surface (21). A resonator (3) according to an embodiment is made of a sheet metal, and is integrally formed with a body portion (31), a folded portion (32), and a flexible portion (33, 34, 35) which is connected to the body portion (31) or the folded portion (32) and is bendable with respect to the body portion (31) or the folded portion (32) for frequency tuning or coupling tuning.
    Type: Application
    Filed: January 4, 2022
    Publication date: March 6, 2025
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Bingjian NIU, Weidong WANG, Jun ZHENG, Yang LIU, Xueyuan ZHANG
  • Publication number: 20250070444
    Abstract: A cavity resonator, comprising: a metal cavity; a first resonator rod extending in a first direction between a first wall and a second wall of the metal cavity; and a second resonator rod extending in a second direction between a third wall and a fourth wall of the metal cavity, the second direction being perpendicular to the first direction. The first resonator rod and the second resonator rod do not intersect each other. The first resonator rod is provided with a first dielectric body, and the second resonator rod is provided with a second dielectric body. The present disclosure also relates to a filter comprising the cavity resonator.
    Type: Application
    Filed: April 14, 2022
    Publication date: February 27, 2025
    Inventors: Haiju Kang, Xueyuan Zhang, Weidong Wang
  • Patent number: 12232857
    Abstract: The present disclosure provides a noise reduction device. The noise reduction device may include a noise receiving component, a noise reduction component, a processing component, and a housing. The noise receiving component may be configured to receive acoustic noise information of a scanning environment where a medical device is located. The processing component may be configured to control the noise reduction component to generate sound information matching the acoustic noise information received by the noise receiving component. The housing may be configured to support the noise receiving component and the noise reduction component.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: February 25, 2025
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Rong Zhong, Xiangming Hou, Wentao Wu, Xinyue Zhang, Shuangyue Zhang, Tuoyu Cao, Lingzhi Hu, Guobin Li, Weidong Wang, Junyu Chen
  • Publication number: 20250062517
    Abstract: The present disclosure relates to a cover for a cavity filter, comprising a cover body made of plastic and an inner metal layer applied on an inner side of the cover that is in contact with a cavity of the cavity filter, wherein a capacitance-influencing structure is provided on the inner side of the cover and comprises a recess formed in the cover body and/or a protrusion integrally formed with a base of the cover body and/or a non-metallized area in the inner metal layer. The present disclosure also relates to a cavity filter comprising the above-said cover.
    Type: Application
    Filed: January 4, 2022
    Publication date: February 20, 2025
    Inventors: Weidong Wang, Xueyuan Zhang, Lei Sun, Bingjian Niu, Jun Fu
  • Publication number: 20240392235
    Abstract: Pseudomonas and a use thereof are provided. The preservation number of the Pseudomonas is CGMCC No. 22583. The growth temperature of the Pseudomonas is 37-45° C. Under a medium-high temperature oil reservoir condition, the Pseudomonas can be denatured from a non-viscosity fluid to a multifunctional oil-extraction bacterial solution having both surface activity and viscoelasticity, and also has the functions of expanding the swept volume and improving the oil washing efficiency. The recovery ratio is increased by more than 20% in a physical simulation experiment.
    Type: Application
    Filed: September 16, 2022
    Publication date: November 28, 2024
    Inventors: Weidong WANG, Jing HU, Yanbin CAO, Qin QIAN, Lei ZHANG, Liaoyuan GUO, Gongze CAO, Gangzheng SUN, Junzhang LIN, Yongting SONG, Shenghui YUE, Changzhong YUAN, Xiaoling WU, Mingshan DING, Guangjun GAO, Jing WANG, Tao LIU, Yun FENG, Caifeng LI, Xin SONG, Zihui CHEN
  • Publication number: 20240387970
    Abstract: The present disclosure relates to a dielectric cavity resonator, comprising: a metallic resonance cavity having a cuboid shape defining three orthogonal axes x, y, z substantially aligned with walls of the metallic resonance cavity and having a central axis extending in the z direction; a dielectric core provided in the metallic resonance cavity, the dielectric core comprising: a central part extending coaxially with respect to the central axis of the metallic resonance cavity; and four columnar parts arranged around the central part and integrally formed with the central part and each extending in the z direction and having a petal-like shape in an x-y cross-section perpendicular to the z direction, every two adjacent columnar parts being spaced by a groove, the dielectric core being centrosymmetric and axisymmetric in each x-y cross-section perpendicular to the z direction, wherein the metallic resonance cavity has a square cross-section, and in each petal-like cross-section, each columnar part extends in a
    Type: Application
    Filed: May 19, 2022
    Publication date: November 21, 2024
    Inventors: Jun Fu, Weidong Wang, Honglan Wang, Xueyuan Zhang
  • Publication number: 20240347887
    Abstract: A resonating structure and a dielectric filter having the same are disclosed. The resonating structure comprises a body, at least one set of negative coupling holes, and a conductive material layer. The body is made of a solid dielectric material and comprises at least two resonators. The negative coupling holes are formed at a connection between two adjacent resonators. Each set of negative coupling holes comprises a first blind hole and a second blind hole disposed on two opposite surfaces of the body respectively. The first blind hole and the second blind hole are offset from each other in a plane perpendicular to a direction along which the first or second blind hole is dug. The conductive material layer covers surfaces of the body and surfaces of the first blind hole and the second blind hole.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 17, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Peiguang LU, Haitao LIU, Weidong WANG
  • Publication number: 20240339617
    Abstract: A secondary battery includes a metal housing and an electrode assembly arranged inside the metal housing. The electrode assembly includes a negative electrode. The negative electrode includes a negative electrode material layer. The negative electrode material layer includes a binder. The binder includes a first binder and a second binder, where the first binder is selected from styrene-butadiene rubber polymers and the second binder is selected from polyacrylic acid polymers. A weight-average molecular weight of the first binder is 40,000 to 300,000, and a weight-average molecular weight of the second binder is 400,000 to 2,000,000. A mass percentage of the first binder is 10% to 90% based on a mass of the binder.
    Type: Application
    Filed: April 5, 2024
    Publication date: October 10, 2024
    Applicant: Ningde Amperex Technology Limited
    Inventor: Weidong WANG
  • Patent number: 12098640
    Abstract: The present invention relates to the technical field of mine fire prevention and extinguishing, in particular to a liquid nitrogen direct injection and low-temperature foaming intelligent filling system based on mine fire area characteristics and an application method, comprising a liquid nitrogen storage tank, a liquid nitrogen direct injection system and a low-temperature foaming system, wherein the liquid nitrogen storage tank communicates with a liquid nitrogen pressurizing device through a main pipeline; a temperature control unit is arranged on the main pipeline; and the liquid nitrogen pressurizing device is connected with the liquid nitrogen direct injection system and the low-temperature foaming system, respectively, liquid nitrogen is directly injected into a foam liquid, to prepare a low-temperature foam type fire preventing and extinguishing material by means of forced convection, membrane boiling, explosion boiling and nucleate boiling between the liquid nitrogen and water.
    Type: Grant
    Filed: December 7, 2023
    Date of Patent: September 24, 2024
    Assignee: Shandong University of Science and Technology
    Inventors: Xiangming Hu, Di Xue, Yong Zhou, Kuibin Wu, Wei Wang, Lin Zhu, Peng Li, Xiangdong Yao, Weidong Wang, Wenqi Shao, Chuncheng Cai, Fusheng Wang, Liwen Guo
  • Publication number: 20240267029
    Abstract: An integrated low-pass and band-pass filter unit comprises an inner cavity formed by a shell of conductive materials; one or more low-pass resonators and two or more band-pass resonators comprised in the inner cavity. The low-pass and band-pass resonators are integrally formed by electroplated sheet metal material, and a part of each of the low-pass and band-pass resonators is coated with dielectric material. The two or more band-pass resonators are arranged at two sides of the inner cavity such that at least two resonators are aligned to face each other. The integrated low-pass and band-pass filter unit further comprises a first separator of electroplated sheet metal arranged in the inner cavity between the low-pass resonators and band-pass resonators and a second separator of electroplated sheet metal arranged in the inner cavity between the band-pass resonators at the two sides of the inner cavity.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 8, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jun FU, Weidong WANG, Xueyuan ZHANG
  • Publication number: 20240230806
    Abstract: Embodiments of the present disclosure provides a tuning device for a receiving coil, a cryogenic probe, and a magnetic resonance device. The tuning device may include a fixed capacitor, a varactor assembly, and a control assembly. The fixed capacitor and the coil may be connected in series. The varactor assembly may be connected in parallel to both ends of the fixed capacitor. The control assembly may be configured to control the capacitance of the receiving coil by controlling the capacitance value of the varactor assembly to perform a tuning operation on the receiving coil, the tuning operation including at least one of a frequency tuning and an impedance tuning.
    Type: Application
    Filed: March 22, 2024
    Publication date: July 11, 2024
    Applicant: WUHAN UNITED IMAGING LIFE SCIENCE INSTRUMENT CO., LTD.
    Inventors: Ze YU, Chuo XIE, Ou XIONG, Hongxia LEI, Weidong WANG
  • Patent number: 12025537
    Abstract: Provided is an indoor test device for simulating a vibration pile sinking process and testing a bearing capacity thereof and a test method thereof. The indoor test device comprises a container, a soil located in the container, a vibration penetration system and a balanced vibration damping system, the vibration penetration system is vertically arranged above the soil in the container, and the balanced vibration damping system is located right above the vibration penetration system and coaxially arranged with the vibration penetration system. The indoor test device and the test method apply to researching on the vibration pile sinking process and testing the bearing capacity thereof in different types of soil, and adapts to different frequencies and different exciting forces.
    Type: Grant
    Filed: December 29, 2023
    Date of Patent: July 2, 2024
    Assignee: East China Architecture Design and Research Institute Co., Ltd.
    Inventors: Weidong Wang, Jiangbin Wu, Jiabin Wei, Yonghong Wang, Zhidao Zhou
  • Patent number: 12021287
    Abstract: A resonating structure and a dielectric filter having the same are disclosed. The resonating structure comprises a body, at least one set of negative coupling holes, and a conductive material layer. The body is made of a solid dielectric material and comprises at least two resonators. The negative coupling holes are formed at a connection between two adjacent resonators. Each set of negative coupling holes comprises a first blind hole and a second blind hole disposed on two opposite surfaces of the body respectively. The first blind hole and the second blind hole are offset from each other in a plane perpendicular to a direction along which the first or second blind hole is dug. The conductive material layer covers surfaces of the body and surfaces of the first blind hole and the second blind hole.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: June 25, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Peiguang Lu, Haitao Liu, Weidong Wang
  • Patent number: 11999677
    Abstract: Benzylamino-oxoethyl benzamide compounds for use in treating diseases and conditions associated with abnormal cell function related to endoplasmic reticulum (ER) stress. For example, the compounds can be used as suppressors of ER stress-induced pancreatic ?-cell dysfunction and death, for example in the treatment of Type 1 and Type 2 diabetes. The compounds can also be used in treatments for chronic heart disease, neurodegenerative diseases, retinal degeneration, and other metabolic disorders associated with ER stress.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: June 4, 2024
    Assignee: The Board of Regents of the University of Oklahoma
    Inventors: Weidong Wang, Venkateswararao Eeda
  • Patent number: D1046444
    Type: Grant
    Filed: October 26, 2023
    Date of Patent: October 15, 2024
    Inventor: Weidong Wang
  • Patent number: D1061036
    Type: Grant
    Filed: January 18, 2024
    Date of Patent: February 11, 2025
    Inventor: Weidong Wang