Patents by Inventor Lei Zheng

Lei Zheng 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: 12265065
    Abstract: The invention provides a fracture opening simulation device for hard brittle mudstone and shale with organic matter, it includes a simulated support, the lower part of the simulated support is connected with a storage bucket bottom block plate through a screw, the middle of the simulated support is provided with a support socket with a circular structure, the upper surface of the storage bucket bottom block plate is provided with a circular convex structure of a block plate boss, the block plate boss is closely inserted in the support socket, the upper surface of the simulated support is fixed connected with a core column storage barrel.
    Type: Grant
    Filed: October 28, 2024
    Date of Patent: April 1, 2025
    Assignee: Chengdu University of Technology
    Inventors: Yiquan Ma, Yangbo Lu, Ziqi Feng, Yongchao Lu, Lei Chen, Wei Wei, Ying Guo, Chen Zhang, Mingyu Zheng, Lan Yang
  • Patent number: 12264119
    Abstract: A process and a device for continuous flow side-chain alkylation which relate to the technical field of organic synthesis. In this process and the device for continuous flow side-chain alkylation, an ibuprofen raw material is prepared with alkylbenzene as a raw material. This raw material alkylbenzene is easily available and has a low cost, and is suitable for scale-up production. Moreover, an entire preparation process adopts continuous chemical synthesis, and a reaction time of each stage can be precisely controlled, which is beneficial to control a total reaction time and reduce an amount of impurities produced. In this way, a purity and a yield of the ibuprofen raw material are improved. In summary, a continuous synthesis method for side-chain alkylation of alkylbenzene provided by the present disclosure shows a low cost and a high yield.
    Type: Grant
    Filed: August 2, 2023
    Date of Patent: April 1, 2025
    Assignee: Qingdao University of Science and Technology
    Inventors: Peizhe Cui, Jianguang Qi, Wenhui Xu, Yinglong Wang, Zhaoyou Zhu, Kaiguang Wang, Xin Li, Fanqing Meng, Limei Zhong, Shuli Yin, Lei Han, Jianbo Jia, Zhonghui Zheng
  • Patent number: 12266757
    Abstract: The present application relates to a secondary battery, a battery module and a device. The secondary battery includes a cap plate assembly; an electrode assembly, including a main body and a tab extending from the main body; an electrode terminal, arranged at the cap plate assembly to electrically connect with the tab; a first pressing-against member, arranged between the cap plate assembly and the main body, herein an accommodating space is formed between the first pressing-against member and the electrode terminal; a second pressing-against member, arranged between the cap plate assembly and the main body; herein a part of the tab, that passes between the first pressing-against member and the second pressing-against member and extends into the accommodating space, is connected to the electrode terminal, and the first pressing-against member and the second pressing-against member press against two opposite surfaces of the tab respectively.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: April 1, 2025
    Assignee: Contemporary Amperex Technology (Hong Kong) Limited
    Inventors: Huasheng Su, Lei Chen, Yulian Zheng, Xinxiang Chen
  • Publication number: 20250106240
    Abstract: A multi-terminal collaborative dynamic security analysis method and system for distributed power supply are provided. The method includes building a physical-cyber network topology model for a distributed power supply control system; updating cyber domain security risk probabilities and physical domain security risk probabilities of other units, to achieve a dynamic physical-cyber security risk network topology map; searching a target attack path according to different attack entrances and attack intensities; and taking the target attack path as guidance, to implement a damage degree assessment.
    Type: Application
    Filed: September 8, 2023
    Publication date: March 27, 2025
    Inventors: Zihuai ZHENG, Jianguo QIAN, Xueqi JIN, Zhouhong WANG, Lei HONG, Zihao DAN, Piaohong KONG, Yuande ZHENG, Yizhi ZHU, Kaikai PAN, Wenyuan XU, Yinqiang HUANG
  • Publication number: 20250099458
    Abstract: Provided is a use of nintedanib or a pharmaceutically acceptable salt thereof in preparing a drug for treating tuberculosis. The nintedanib or the pharmaceutically acceptable salt thereof is used in combination with a further anti-tuberculosis drug for treating tuberculosis, or used as an adjuvant drug for the treating tuberculosis, where the further anti-tuberculosis drug is selected from a group consisting of: rifampicin, isoniazid, pyrazinamide, ethambutol, fluoroquinolone, streptomycin, kanamycin, amikacin, capreomycin, sodium para-aminosalicylate, ethionamide, cycloserine, clofazimine, and linezolid.
    Type: Application
    Filed: March 16, 2023
    Publication date: March 27, 2025
    Applicants: Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis Chest Cancer Institute
    Inventors: Yu LU, Xiaoyou CHEN, Xueting QI, Luyao ZHENG, Lei FU, Weiyan ZHANG, Ning WANG
  • Publication number: 20250106159
    Abstract: This application provides a flow rate control method and apparatus. The flow rate control method in this application includes: receiving N explicit congestion notification packets CNPs from a first device, where the N CNPs correspond to a first data flow, and N is a natural number; and sending M CNPs to a second device based on the N CNPs, where the M CNPs correspond to the first data flow, and M is an integer greater than N. This application resolves a problem that rate increase processing is still performed on a data flow when the data flow is congested.
    Type: Application
    Filed: December 11, 2024
    Publication date: March 27, 2025
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yanzhu Lin, Heyang Liu, Hewen Zheng, Lei Han, Jinfeng Yan, Peiying Tao
  • Publication number: 20250103775
    Abstract: A multi-objective optimized evaluation method of anti-seismic performance of a slope reinforced by a pile-anchor system is provided. The method includes: training an initial three-dimensional slope numerical calculation model to obtain an target three-dimensional slope numerical calculation model; determining numerical values to be imported into the target three-dimensional slope numerical calculation model according to deformation differences, to obtain a model analysis result; obtaining a simulation operation result according to a reinforcement scheme working condition table of the pile-anchor system; based on the model analysis result and the simulation operation result, evaluating anti-seismic reinforcing performance of the pile-anchor system to obtain comprehensive evaluation values, and then optimizing and evaluating the reinforcement schemes of an overall slope to be reinforced.
    Type: Application
    Filed: April 19, 2024
    Publication date: March 27, 2025
    Inventors: Lei XUE, Longfei LI, Chao XU, Songfeng GUO, Hongyan LIU, Mengyang ZHAI, Xiaolin HUANG, Yuan CUI, Qiang SUN, Guoliang LI, Bowen ZHENG, Zhiqing LI, Jie GUO, Haijun ZHAO, Xueliang WANG
  • Publication number: 20250091012
    Abstract: An electrodialysis cell includes a housing defining an internal chamber, a core positioned within the internal chamber, a first electrode positioned in the internal chamber adjacent the housing, a second electrode coupled to the core and spaced from the first electrode, and a membrane assembly positioned between the first and second electrodes in a spiral wound configuration. The housing includes an inlet end for receiving a feed fluid and an outlet end in fluid communication with the inlet end. The membrane assembly includes a plurality of ion exchange membranes spaced from each other to define a plurality of fluid channels between the inlet and outlet ends.
    Type: Application
    Filed: November 27, 2024
    Publication date: March 20, 2025
    Applicant: Vetco Gray Scandinavia AS
    Inventors: Zijun XIA, Chengqian ZHANG, Wujun RONG, Yongchang ZHENG, Bruce BATCHELDER, John H. BARBER, Lei CAO, Hua WANG, David Michael STACHERA, Bo YAN
  • Publication number: 20250095913
    Abstract: An electric press with disc stacking, includes two sets of all-electric presses, a blank disc transporting and stacking all-in-one machine, and a control box. The blank disc transporting and stacking all-in-one machine includes a blank disc feeding mechanism, a cassette conveying mechanism, a product transporting and flipping mechanism, a product disc stacking mechanism, and a pallet feeding mechanism. During operation, the blank disc feeding mechanism feeds blank disc to a blank disc receiving station; the cassette conveying mechanism conveys the blank discs to a product loading station and install products in the blank discs; pallets are transported to the product disc stacking mechanism; the cassette conveying mechanism conveys the pallets with products loaded to a disc stacking station for a disc stacking operation, and after the disc stacking, conveys the products into the pallets for palletization.
    Type: Application
    Filed: December 11, 2023
    Publication date: March 20, 2025
    Inventors: Niansheng ZHOU, Huihe FANG, Kaixuan YU, Wenzhong ZHOU, Xingjie WANG, Daoyang LIAO, Keqi ZHENG, Xiongpeng ZHU, Lei ZHANG, Jian CAO, Jianfeng XIN, Hao ZHU, Jianli ZHU
  • Publication number: 20250091821
    Abstract: A stacking and palletizing device includes a cassette conveying mechanism, a product transporting and flipping mechanism, a product disc stacking mechanism, and a pallet feeding mechanism. The cassette conveying mechanism is provided thereon with an blank disc receiving station, a product loading station and a product disc stacking station; the product loading station is correspondingly provided with a cassette positioning mechanism; a cassette lifting and partitioning mechanism is disposed below the product disc stacking station; the product disc stacking mechanism includes a screw rod lifting mechanism, which is provided thereon with a palletizing and conveying mechanism; and a gantry truss transplanting mechanism is correspondingly disposed above the screw rod lifting mechanism.
    Type: Application
    Filed: December 12, 2023
    Publication date: March 20, 2025
    Inventors: Xingjie WANG, Wenzhong ZHOU, Kaixuan YU, Huihe FANG, Niansheng ZHOU, Daoyang LIAO, Hanquan WANG, Jian CAO, Jianfeng XIN, Hao ZHU, Keqi ZHENG, Xiongpeng ZHU, Lei ZHANG, Jianli ZHU
  • Publication number: 20250088119
    Abstract: Provided is an interleaved active neutral point clamped (ANPC) circuit including N (N?2) parallel bridge arms, including: direct current (DC) terminals, including a positive and a negative DC terminal; an alternating current (AC) terminal; a switching circuit connected between the positive DC terminal and the negative DC terminal and including a first, a second, a third, and a fourth switching transistor sequentially connected in series, series nodes of the first, the second, the third, and the fourth switching transistor being sequentially a first, a second, and a third node, where the second node is connected to a neutral line; and N parallel high-frequency switching circuits connected between the first node and the third node, each of the N high-frequency switching circuits including a first and a second high-frequency switching transistor connected in series, where a phase difference between two adjacent high-frequency switching circuits among the N high-frequency switching circuits is 2?/N.
    Type: Application
    Filed: August 27, 2024
    Publication date: March 13, 2025
    Inventors: Lei Cao, Dan Liu, Huahong Ning, Dawei Zheng, Yulong Hao
  • Publication number: 20250079631
    Abstract: The present disclosure relates to the technical field of separators for electrochemical devices, and discloses a polyolefin porous film and a preparation method therefor, a battery separator, and an electrochemical device. The polyolefin porous film of the present disclosure has a network fiber structure, and when observed in a 20,000Ă—SEM image, and the polyolefin porous film has the following characteristics: (1) within a circle having a radius of 1000 nm, a fiber orientation result R_MD of fibers having a fiber diameter of greater than 15 nm in a machine direction (MD) satisfies: (R_MD)2<0.8; and (2) within a circle having a radius of 1000 nm, a fiber orientation result R_TD of fibers having a fiber diameter of greater than 15 nm in a transverse direction (TD) satisfies: (R_TD)2<0.8.
    Type: Application
    Filed: April 25, 2023
    Publication date: March 6, 2025
    Applicant: SINOMA LITHIUM BATTERY SEPARATOR (NANJING) CO., LTD.
    Inventors: Shan XUE, Yaozong BAI, Guozhong JIA, Zhigang LIU, Lei ZHENG, Qiuchun DONG, Yunqing XUE, Yuan MA, Qiyang WU, Xiangan MENG, Xujie ZHANG, Gaojun LIU
  • 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: 20250077852
    Abstract: A spiking neuron reinforcing circuit and a spiking neuron reinforcing method are provided.
    Type: Application
    Filed: July 12, 2022
    Publication date: March 6, 2025
    Inventors: Hui QIN, Lei CHEN, Yanlong ZHANG, Liang WANG, Liguo SONG, Miao CHEN, Hongchao ZHENG, Tongde LI, Lei ZHU, Yuanfu ZHAO
  • Patent number: 12234232
    Abstract: Provided are a JAK kinase inhibitor, preparation and use thereof. In particular, provided is a compound of Formula I, wherein each group is as described in the specification. The compound has an excellent JAK inhibitory activity, and therefore can be used to prepare pharmaceutical compositions for the treatment of cancer and other diseases related to JAK activity.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: February 25, 2025
    Assignee: SHANGHAI ENNOVABIO PHARMACEUTICALS CO., LTD.
    Inventors: Lei Jiang, Jianwen Deng, Zhiyong Feng, Shengyang Liu, Xudong Mao, Ke Shang, Jianyong Shou, Danyi Wu, Xiaoping Xie, Yuan Xu, Haixia Zhao, Jianhua Zhang, Mingwei Zheng
  • Publication number: 20250056661
    Abstract: The present disclosure relates to activation or deactivation of cell discontinuous reception/discontinuous reception (DTX/DRX). In particular, a network device transmits configuration information associated with downlink control information (DCI) to a terminal device. The configuration information indicates when to monitor the DCI. The terminal device monitors the DCI based on the configuration information.
    Type: Application
    Filed: October 23, 2024
    Publication date: February 13, 2025
    Inventors: Mads LAURIDSEN, Ahlem KHLASS, Daniela LASELVA, Naizheng ZHENG, Lei DU, Chunli WU
  • Publication number: 20250056658
    Abstract: The present disclosure relates to activation or deactivation of cell discontinuous reception/discontinuous reception (DTX/DRX). In particular, a network device transmits configuration information associated with downlink control information (DCI) to a terminal device. The configuration information indicates when to monitor the DCI. The terminal device monitors the DCI based on the configuration information.
    Type: Application
    Filed: July 19, 2024
    Publication date: February 13, 2025
    Inventors: Mads LAURIDSEN, Ahlem KHLASS, Daniela LASELVA, Naizheng ZHENG, Lei DU, Chunli WU
  • Publication number: 20250056657
    Abstract: The present disclosure relates to a first cell activation when the cell discontinuous transmission (DTX)/discontinuous reception (DRX) is applied. In particular, a network device transmits a configuration of cell DTX and/or a configuration of cell DRX for a first cell to a terminal device. The network device also transmits an activation indication for the first cell. The terminal device monitors a set of reference signals from the network device during an activation procedure of the first cell. The terminal device further transmits a report that is based on a measurement on the set of reference signals to a cell that is a special cell or a physical uplink control channel cell. In this way, it can reduce the latency of the activation of the first cell.
    Type: Application
    Filed: June 28, 2024
    Publication date: February 13, 2025
    Inventors: Chunli WU, Lei DU, Naizheng ZHENG, Lars DALSGAARD
  • Publication number: 20250050717
    Abstract: The present invention discloses a car cover limiting structure, it includes a guide rail, a side rail and a first side rail limit positioning block, the first side rail limit positioning block is connected to the side rail, the first side rail limit positioning block includes a barrier plate, the barrier plate is used to resist and limit with the guide rail. By setting the car cover limiting structure, the present invention enables the car cover does not to move from side to side in use, so as to facilitate the opening and closing of the car cover.
    Type: Application
    Filed: December 28, 2023
    Publication date: February 13, 2025
    Inventors: Shiqi Zheng, Dongdong Wang, Yien Wang, Yi Lin, Lei Lin
  • Publication number: 20250056403
    Abstract: Example embodiments of the present disclosure are related to state transition of a cell. An apparatus receives a monitoring occasion configuration for control information related to a discontinuous operation pattern of a cell, the monitoring occasion configuration indicating at least one monitoring occasion that is before activation of the discontinuous operation pattern or during a time when the discontinuous operation pattern is activated. The apparatus monitors the control information from the device at the at least one monitoring occasion, the control information at least indicating a state transition of the cell between an active state and a non-active state; and based on receiving the control information from the device, and determines, from the control information, the state transition of the cell between the active state and the non-active state.
    Type: Application
    Filed: July 22, 2024
    Publication date: February 13, 2025
    Inventors: Naizheng ZHENG, Ahlem Khlass, Mads Lauridsen, Daniela Laselva, Lei Du, Chunli Wu