Patents by Inventor Zhigang Lu
Zhigang Lu 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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Publication number: 20240109929Abstract: A mannose derivative is an isonitrile-containing mannose derivative of formula (I), including different linking groups X: A radioactive preparation is provided, including a radiolabeled compound formed by radiolabeling the mannose derivative with a radionuclide. An application of the radioactive preparation in the diagnosis and treatment of tumors is also provided.Type: ApplicationFiled: November 17, 2023Publication date: April 4, 2024Inventors: Junbo ZHANG, Qing RUAN, Guangxing YIN, Xuebin WANG, Zhanbin ZHANG, Zhigang TANG, Jie LU
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Patent number: 11906085Abstract: A quick-fitting pipe fitting for connecting at least one pipeline element comprises a pipe fitting body. The pipe fitting body is configured with a pre-installation section, and the pre-installation section is movably connected with a pipe clamp assembly. The pipe clamp assembly comprises at least two movable clamp parts and at least one fastener, and the fastener is configured to be operated to fasten the two movable clamp parts. At least one sealing ring is arranged in the pipe clamp assembly.Type: GrantFiled: May 16, 2023Date of Patent: February 20, 2024Assignee: SHANGHAI VISION MECHANICAL JOINT CO., LTDInventors: Zhigang Lu, Zhibing Zhai, Xubin Lu, Jun Wu
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Patent number: 11898675Abstract: A pipe element coupler includes a plurality of coupling members, a gasket disposed in the coupling members and a fastening element. Each of the coupling members includes two engaging keys at two coupling end portions thereof each having an engaging surface that has varying radiuses of curvature. The fastening element is coupled at the coupling members, wherein the pipe element coupler is adapted for being preassembled on the two pipe elements to align the engaging keys with the corresponding grooves of the pipe elements. When the fastening element is operated to fasten the coupling members together, each of the engaging surfaces is deformed to change the varying radiuses of curvature, so as to substantially match a radius of curvature of the groove circumference at the bottom of the groove of the pipe element.Type: GrantFiled: June 4, 2020Date of Patent: February 13, 2024Assignee: Shanghai Vision Mechanical Joint Co., Ltd.Inventors: Zhigang Lu, Zhibing Zhai
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Publication number: 20240039992Abstract: A blockchain-based data processing method, device, and a computer-readable storage medium are provided. A first resource acquisition request of an object identification is transmitted for a target virtual resource to a blockchain network to make the blockchain network query a target ticket identification associated with the object identification and the target virtual resource based on the first resource acquisition request. Metadata is acquired having a binding relationship with the target ticket identification. The target ticket identification is used for characterizing that the object identification has ownership of the target virtual resource. The target virtual resource is acquired according to the metadata returned by the blockchain network. The target virtual resource is controlled to perform an interaction output in response to a triggering operation for interacting with the target virtual resource.Type: ApplicationFiled: October 10, 2023Publication date: February 1, 2024Applicant: Tencent Technology (Shenzhen)Company LimitedInventors: Rui GUO, Hu LAN, Zongyou WANG, Yang LU, Jun LIANG, Chaojie QI, Yang MO, Yifang SHI, Hui ZHANG, Zimin CHEN, Guihong HUANG, Zuodong LIANG, Bo QIN, Lisen LI, Yubin SONG, Yongjing LI, Chao WANG, Ming LIU, Tao FAN, Yongjia XUE, Shitao XU, Shihao SHE, Gengliang ZHU, Zhigang LU
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Patent number: 11781685Abstract: A quick-fitting pipe fitting assembly for coupling with at least one pipe element includes a pipe fitting body, at least one coupling unit, at least one gasket and a plurality of connecting elements. Each coupling unit includes a fixed coupling element integrally extended from the pipe fitting body and a movable coupling element, the gasket disposed at the coupling unit, the connecting elements movably connect the fixed coupling element with the movable coupling element, wherein the at least one coupling unit is adapted for being preassembled with the at least one pipe element and can be fastened by at least one fastening element that is capable of being operated to fasten the movable coupling element with the fixed coupling element.Type: GrantFiled: June 28, 2021Date of Patent: October 10, 2023Assignee: Shanghai Vision Mechanical Joint Co., Ltd.Inventors: Zhigang Lu, Zhibing Zhai
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Patent number: 11781686Abstract: A quick-fitting pipe fitting assembly for coupling with at least one pipe element includes a pipe fitting body, at least one coupling unit, and at least one gasket. Each coupling unit includes a fixed coupling element integrally extended from the pipe fitting body and a movable coupling element, the gasket disposed at the coupling unit, the connecting elements movably connect the fixed coupling element with the movable coupling element, wherein the at least one coupling unit is adapted for being preassembled with the at least one pipe element and can be fastened by at least one fastening element that is capable of being operated to fasten the movable coupling element with the fixed coupling element.Type: GrantFiled: August 24, 2021Date of Patent: October 10, 2023Assignee: Shanghai Vision Mechanical Joint Co., Ltd.Inventors: Zhigang Lu, Zhibing Zhai
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Publication number: 20230226506Abstract: A split-type blade, a fluid drive device and a fluid drive proportional mixer. The split-type blade is used as a component of the fluid drive device to convert pressure energy of fluid into mechanical energy. The split-type blade comprises: one or more push rods, each push rod being suitable for being arranged on a rotor of the fluid drive device in a radially slidable manner; and two valve plates, the two valve plates being respectively mounted in parallel at two end portions of the push rods, and each valve plate extending outwards along the push rods to form the split-type blade having a running-through push rod structure. In this way, when the split-type blade drives the rotor to rotate under the effect of a fluid, the push rods of each split-type blade slide in a radial direction relative to the rotor.Type: ApplicationFiled: March 20, 2023Publication date: July 20, 2023Inventors: Zhigang LU, Xubin Lu
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Publication number: 20220307633Abstract: The present application provides a quick coupler, which includes a top ring, a bottom ring and fasteners. The top ring may be engaged with the bottom ring to be assembled together; the top ring is provided with a top ring groove, and the bottom ring is provided with a bottom ring groove; the fasteners are loosely or tightly connected to the top ring and the bottom ring, so that the top ring and the bottom ring are fixed together as a whole; in a tight state, the top ring groove of the top ring and the bottom ring groove of the bottom ring are assembled to form an annular groove.Type: ApplicationFiled: June 15, 2022Publication date: September 29, 2022Inventors: Zhigang LU, Zhibing Zhai, Jun Wu, Xubin Lu
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Publication number: 20220239470Abstract: A cross-blockchain data processing method is provided. The method includes: obtaining an asset transfer instruction triggered for a first asset on the first blockchain, and configuring an asset state of the first asset to a locked state on the first blockchain; determining the first asset in the locked state as an asset, and determining a cross-chain asset transfer request corresponding to the asset; obtaining an asset transfer interface associated with a second blockchain, and calling the asset transfer interface to transmit the cross-chain asset transfer request to a second server node on the second blockchain; and receiving signing response information transmitted by the second server node in response to determining that the verification succeeds, freezing the asset on the first blockchain according to the signing response information, and notifying the second server node to release a second asset associated with the asset on the second blockchain.Type: ApplicationFiled: April 8, 2022Publication date: July 28, 2022Inventors: Jianjun ZHANG, Zhigang LU, Jinlong ZHANG, Hujia CHEN, Luohai ZHENG, Jun ZANG, Shicheng FENG, Yang MO, Mingyuan GUO
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Publication number: 20220205570Abstract: Disclosed are a pipeline connecting device, a pipeline element coupling piece and a coupling method therefor. The pipeline element coupling unit comprises a plurality of coupling units, a gasket arranged at the coupling unit, and a fastening element. Each coupling unit comprises two engaging keys located at two coupling ends thereof, each engaging key has an engaging surface, and each engaging surface has a variable curvature radius. The fastening element is coupled to the coupling unit, wherein the pipeline element coupling piece is adapted to be pre-mount onto the two pipeline elements and be aligned with engaging keys and corresponding grooves of the pipeline elements. When the fastening element is operated to fasten together the coupling units, each engaging surface is deformed to change the curvature radius to substantially match the curvature radius of the groove circumference of the bottom of the groove of the pipeline element.Type: ApplicationFiled: June 29, 2020Publication date: June 30, 2022Inventors: Zhigang LU, Zhibing ZHAI
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Publication number: 20220186861Abstract: A quick-fitting pipe fitting assembly for coupling with at least one pipe element includes a pipe fitting body, at least one coupling unit, at least one gasket and a plurality of connecting elements. Each coupling unit includes a fixed coupling element integrally extended from the pipe fitting body and a movable coupling element, the gasket disposed at the coupling unit, the connecting elements movably connect the fixed coupling element with the movable coupling element, wherein the at least one coupling unit is adapted for being preassembled with the at least one pipe element and can be fastened by at least one fastening element that is capable of being operated to fasten the movable coupling element with the fixed coupling element.Type: ApplicationFiled: June 28, 2021Publication date: June 16, 2022Inventors: Zhigang LU, Zhibing ZHAI
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Publication number: 20220186862Abstract: A quick-fitting pipe fitting assembly for coupling with at least one pipe element includes a pipe fitting body, at least one coupling unit, and at least one gasket. Each coupling unit includes a fixed coupling element integrally extended from the pipe fitting body and a movable coupling element, the gasket disposed at the coupling unit, the connecting elements movably connect the fixed coupling element with the movable coupling element, wherein the at least one coupling unit is adapted for being preassembled with the at least one pipe element and can be fastened by at least one fastening element that is capable of being operated to fasten the movable coupling element with the fixed coupling element.Type: ApplicationFiled: August 24, 2021Publication date: June 16, 2022Inventors: Zhigang LU, Zhibing ZHAI
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Patent number: 10938320Abstract: A method for minimizing DC capacitance of a cascade multilevel converter is provided. On the basis of balancing of capacitor voltages, the method estimates instantaneous value of the DC side capacitor voltages in a circuit through an energy conservation law, and uses a proportional resonance controller to control a grid-connected current to realize adjustment of the grid-connected current without static difference, such that the cascade multilevel converter can operate in a small capacitance mode, the system volume is greatly reduced, the system cost is reduced, the control is easy to be implemented, and the capacitor voltage is free from overshoot and the system has a better rapidity.Type: GrantFiled: June 15, 2020Date of Patent: March 2, 2021Assignees: SHENK ELECTRIC INC., Yanshan UniversityInventors: Xiaoqiang Guo, Lichong Wang, Hao Ding, Chaozhe Wang, Zhigang Lu, Baocheng Wang
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Publication number: 20200408341Abstract: A pipe element coupler includes a plurality of coupling members, a gasket disposed in the coupling members and a fastening element. Each of the coupling members includes two engaging keys at two coupling end portions thereof each having an engaging surface that has varying radiuses of curvature. The fastening element is coupled at the coupling members, wherein the pipe element coupler is adapted for being preassembled on the two pipe elements to align the engaging keys with the corresponding grooves of the pipe elements. When the fastening element is operated to fasten the coupling members together, each of the engaging surfaces is deformed to change the varying radiuses of curvature, so as to substantially match a radius of curvature of the groove circumference at the bottom of the groove of the pipe element.Type: ApplicationFiled: June 4, 2020Publication date: December 31, 2020Inventors: Zhigang LU, Zhibing ZHAI
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Publication number: 20200403528Abstract: A method for minimizing DC capacitance of a cascade multilevel converter is provided. On the basis of balancing of capacitor voltages, the method estimates instantaneous value of the DC side capacitor voltages in a circuit through an energy conservation law, and uses a proportional resonance controller to control a grid-connected current to realize adjustment of the grid-connected current without static difference, such that the cascade multilevel converter can operate in a small capacitance mode, the system volume is greatly reduced, the system cost is reduced, the control is easy to be implemented, and the capacitor voltage is free from overshoot and the system has a better rapidity.Type: ApplicationFiled: June 15, 2020Publication date: December 24, 2020Inventors: Xiaoqiang GUO, Lichong WANG, Hao DING, Chaozhe WANG, Zhigang LU, Baocheng WANG
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Patent number: 10851928Abstract: A pipe element coupler includes a plurality of coupling members, a gasket disposed in the coupling members and a fastening element. Each of the coupling members includes two engaging keys at two coupling end portions thereof each having an engaging surface that has varying radiuses of curvature. The fastening element is coupled at the coupling members, wherein the pipe element coupler is adapted for being preassembled on the two pipe elements to align the engaging keys with the corresponding grooves of the pipe elements. When the fastening element is operated to fasten the coupling members together, each of the engaging surfaces is deformed to change the varying radiuses of curvature, so as to substantially match a radius of curvature of the groove circumference at the bottom of the groove of the pipe element.Type: GrantFiled: November 22, 2019Date of Patent: December 1, 2020Assignee: Shanghai Vision Mechanical Joint Co., Ltd.Inventors: Zhigang Lu, Zhibing Zhai
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Patent number: 10711929Abstract: A pipe element coupler includes a plurality of coupling members, a gasket disposed in the coupling members and a fastening element. Each of the coupling members includes two engaging keys at two coupling end portions thereof each having an engaging surface that has varying radiuses of curvature. The fastening element is coupled at the coupling members, wherein the pipe element coupler is adapted for being preassembled on the two pipe elements to align the engaging keys with the corresponding grooves of the pipe elements. When the fastening element is operated to fasten the to coupling members together, each of the engaging surfaces is deformed to change the varying radiuses of curvature, so as to substantially match a radius of curvature of the groove circumference at the bottom of the groove of the pipe element.Type: GrantFiled: October 23, 2019Date of Patent: July 14, 2020Assignee: Shanghai Vision Mechanical Joint Co., Ltd.Inventors: Zhigang Lu, Zhibing Zhai
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Publication number: 20190330593Abstract: The current disclosure describes methods of expanding precursor cells for hematopoietic transplantation in subjects. The methods culture precursor cells in media containing an immobilized high molecular weight LILRB2 agonist or an LILRB2 agonist in combination with a Notch agonist. The expanded cells can be used to treat a variety of hematopoietic disorders.Type: ApplicationFiled: June 26, 2019Publication date: October 31, 2019Applicants: Fred Hutchinson Cancer Research Center, Board of Regents of the University of Texas SystemInventors: Irwin D. Bernstein, Chengcheng Zhang, Mi Deng, Zhigang Lu, Junke Zheng
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Patent number: 10370643Abstract: The current disclosure describes methods of expanding precursor cells for hematopoietic transplantation in subjects. The methods culture precursor cells in media containing an immobilized high molecular weight LILRB2 agonist or an LILRB2 agonist in combination with a Notch agonist. The expanded cells can be used to treat a variety of hematopoietic disorders.Type: GrantFiled: May 21, 2015Date of Patent: August 6, 2019Assignees: Fred Hutchinson Cancer Research Center, Board of Regents of the University of Texas SystemInventors: Irwin D. Bernstein, Chengcheng Zhang, Mi Deng, Zhigang Lu, Junke Zheng
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Publication number: 20170260508Abstract: The current disclosure describes methods of expanding precursor cells for hematopoietic transplantation in subjects. The methods culture precursor cells in media containing an immobilized high molecular weight LILRB2 agonist or an LILRB2 agonist in combination with a Notch agonist. The expanded cells can be used to treat a variety of hematopoietic disorders.Type: ApplicationFiled: May 21, 2015Publication date: September 14, 2017Inventors: Irwin D. Bernstein, Chengcheng Zhang, Mi Deng, Zhigang Lu, Junke Zheng