Patents by Inventor Zhaohui Chen
Zhaohui Chen 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: 11952860Abstract: A staged cementing device includes a cylindrical body having an inner chamber. A circulating opening and a liquid inlet recess open to the inner chamber are arranged on a wall of the body. An opening assembly is arranged in the body, which has an opening sleeve and an opening seat located in the opening sleeve. Initially the opening sleeve is connected with the body through a first shear pin and covers the circulating opening, and the opening seat is connected with the opening sleeve through a second shear pin and covers the liquid inlet recess. A packer includes a packing valve body and a packer rubber. The packing valve body includes a flow channel in communication with the liquid inlet recess, and the packer rubber includes a liquid reservoir in communication with the flow channel. The second shear pin is sheared off in response to primary cementing procedure.Type: GrantFiled: February 1, 2021Date of Patent: April 9, 2024Assignees: China Petroleum & Chemical Corporation, Sinopec Petroleum Engineering Technology Research Institute Co., Ltd.Inventors: Jinli Qin, Yang Liu, Wujun Chen, Ben Liu, Zhaohui Guo, Yanjun Zeng, Ming Liu, Dekai Yang, Yujie Zhu, Hongqian Liao
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Publication number: 20240110255Abstract: The present invention discloses a extra thick hot rolled H section steel and a production method therefor. The extra thick hot rolled H section steel contains, by mass, the following chemical components: 0.04-0.11% of C, 0.10-0.40% of Si, 0.40-1.00% of Mn, 0.40-1.00% of Cr, 0.10-0.40% of Cu, 0.020-0.060% of Nb, 0.040-0.100% of V, 0.010-0.025% of Ti, 0.010-0.030% of Al, 0.0060-0.0120% of N, not more than 0.015% of P, not more than 0.005% of S, not more than 0.0060% of O, and the balance Fe and trace residual elements, wherein 0.090%?Nb+V+Ti?0.170%, 6.5?(V+Ti)/N?10.5, and 0.30%?CEV?0.48%. The extra thick hot rolled H section steel has a flange thickness of 90 mm-150 mm, has excellent comprehensive mechanical properties, and can well meet the needs for heavy supporting structural parts of high-rise buildings, large squares, bridge structures, etc.Type: ApplicationFiled: October 27, 2021Publication date: April 4, 2024Inventors: Meng XIA, Baoqiao WU, Meizhuang WU, Jun XING, Jie WANG, Hui CHEN, Jingcheng YAN, Qi HUANG, Lin PENG, Junwei HE, Zhaohui DING, Qiancheng SHEN
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Publication number: 20240093070Abstract: An adhesive composition is provided. The adhesive composition comprises the following components: (a) a polyacid polymer aqueous dispersion, wherein the polyacid polymer contains 50%˜100% by weight of one or more ethylenically unsaturated mono- or dicarboxylic acid/anhydrides; (b) a hydroxyl group-containing acrylic copolymer emulsion, wherein the hydroxyl group-containing acrylic copolymer is obtained from polymerizing a monomer mixture which contains 0.1-10% hydroxyl group-containing monomer, 0.1% to 20% weight unsaturated carboxylic acid and 30%-90% acrylic monomer, wherein the solid weight ratio of the above components (a) and (b) is 0.1:100 to 10:100, based on the solids of the components (a) and (b).Type: ApplicationFiled: November 13, 2019Publication date: March 21, 2024Inventors: Yin Xue, Xinhong Wang, Zhenbing Chen, Zhaohui Qu
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Patent number: 11931732Abstract: The present application provides a gas inlet structure for a reagent kit, which includes a gas inlet connecting pipe and a plugging pipe arranged at one end of the gas inlet connecting pipe. The plugging pipe is provided with a gas nozzle plug, and the plugging pipe is in interference fit with the gas nozzle plug. The gas nozzle plug is provided with a gas inlet blind hole that is arranged along an axis direction of the gas nozzle plug, and an opening end of the gas inlet blind hole faces the gas inlet connecting pipe.Type: GrantFiled: May 19, 2023Date of Patent: March 19, 2024Assignee: Shijiazhuang Hipro Biotechnology Co., Ltd.Inventors: Shushun Hao, Yanjun Sui, Lizhu Chen, Shiyuan Xing, Zhaohui Yao
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Patent number: 11901579Abstract: A polymer battery separator with an interpenetrating network structure and a preparation method thereof are disclosed. A multilayer microporous separator includes a PVDF layer, and a PE-PVDF porous substrate located on a surface of the PVDF layer. Finger-like through holes with a pore size of 100-150 nm are distributed in the PVDF finger-like pore layer. An interpenetrating network structure with a pore size of 50-100 nm is distributed on an interface between the PVDF finger-like pore layer and the PE microporous layer. Micropores with a pore size of 20-50 nm are distributed in the PE microporous layer. The surface of the PVDF layer is covered with the PE-PVDF porous substrate, so that the multilayer microporous separator forms an interpenetrating network structure, which has improved thermal stability and high-temperature resistance.Type: GrantFiled: August 3, 2020Date of Patent: February 13, 2024Assignee: JIANGSU HORIZON NEW ENERGY TECH CO., LTD.Inventors: Peiliang Jia, Mengxi Zhao, Xingxing Weng, Zhaohui Chen
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Publication number: 20230417760Abstract: Methods are described for measuring the amount of C peptide in a sample. More specifically, mass spectrometric methods are described for detecting and quantifying C peptide in a sample utilizing on-line extraction methods coupled with tandem mass spectrometric or high resolution/high accuracy mass spectrometric techniques.Type: ApplicationFiled: September 12, 2023Publication date: December 28, 2023Inventors: Nigel Clarke, Zhaohui Chen
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Publication number: 20230385373Abstract: The present application discloses a calculator and a method thereof. The calculator is configured to accelerate the number-theoretic transformation of a 2N-dimensional polynomial. The calculator includes a first coefficient memory, a second coefficient memory, a twiddle factor memory, a plurality of processing units and a data flow controller. In the odd-number rounds of coefficient computation operations, the processing units perform first calculation procedures to read coefficients from the first coefficient memory for modulo calculation, and perform first writing procedures to write output coefficients to the second coefficient memory. In even-number rounds of coefficient computation operations, the processing units performs second calculation procedures to read coefficients from the second coefficient memory for modulo calculations, and perform second writing procedures to write output coefficients to the first coefficient memory.Type: ApplicationFiled: November 8, 2022Publication date: November 30, 2023Inventors: ZHAOHUI CHEN, XUANLE REN, YANHENG LU, JIANSONG ZHANG
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Publication number: 20230385061Abstract: The present application discloses a computing accelerator, a data processor and an associated method for homomorphic encryption. The computing accelerator is configured to perform computations on input polynomials to generate output polynomials. The input polynomials are ciphertexts generated from a plaintext data after ring learning with error encryption, and the output polynomials correspond to a result after performing a linear computation on the plaintext data. The computing accelerator includes a polynomial multiplying unit, a coefficient extraction unit, and ciphertext wrapping unit. The polynomial multiplication unit multiplies a first input polynomial with a second input polynomial to generate an intermediate polynomial. The coefficient extraction unit converts the intermediate polynomial into a target polynomial according to a target coefficient in the intermediate polynomial. The ciphertext wrapping unit generates an output polynomial according to at least the target polynomial.Type: ApplicationFiled: May 23, 2023Publication date: November 30, 2023Inventors: XUANLE REN, YANHENG LU, JIANSONG ZHANG, ZHAOHUI CHEN
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Patent number: 11789026Abstract: Methods are described for measuring the amount of C peptide in a sample. More specifically, mass spectrometric methods are described for detecting and quantifying C peptide in a sample utilizing on-line extraction methods coupled with tandem mass spectrometric or high resolution/high accuracy mass spectrometric techniques.Type: GrantFiled: May 27, 2022Date of Patent: October 17, 2023Assignee: Quest Diagnostics Investments IncorporatedInventors: Nigel Clarke, Zhaohui Chen
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Patent number: 11753056Abstract: Provided are a cloud platform-based comprehensive line network monitoring method and system. Device state data of each line is acquired, and stored in a monitoring platform and a data platform that are built on a cloud platform. The monitoring platform can only store only the latest device state data, perform data monitoring processing on the device state data to obtain real-time monitoring data, and transmit corresponding real-time monitoring data to a client at an application layer based on a data subscription demand of the client, to allow the client to perform real-time device monitoring processing based on the real-time monitoring data. Also, the data platform can provide, in response to a historical data application request sent by the client, the device state data to the client as historical statistical analysis data, to allow the client to perform historical state monitoring processing based on the historical statistical analysis data.Type: GrantFiled: March 16, 2023Date of Patent: September 12, 2023Assignees: PCI TECHNOLOGY & SERVICE CO., LTD., GUANGHOU HUAJIA SOFTWARE CO., LTD., GUANGDONG HUAZHIYUAN TECHNOLOGY CO., LTD., GUANGZHOU PCI URBAN RAIL TRANSIT SMART OPERATION & MAINTENANCE SERVICE CO., LTD.Inventors: Xiong Xiao, Jianping Jia, Zhaohui Chen
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Publication number: 20230219605Abstract: Provided are a cloud platform-based comprehensive line network monitoring method and system. Device state data of each line is acquired, and stored in a monitoring platform and a data platform that are built on a cloud platform. The monitoring platform can only store only the latest device state data, perform data monitoring processing on the device state data to obtain real-time monitoring data, and transmit corresponding real-time monitoring data to a client at an application layer based on a data subscription demand of the client, to allow the client to perform real-time device monitoring processing based on the real-time monitoring data. Also, the data platform can provide, in response to a historical data application request sent by the client, the device state data to the client as historical statistical analysis data, to allow the client to perform historical state monitoring processing based on the historical statistical analysis data.Type: ApplicationFiled: March 16, 2023Publication date: July 13, 2023Inventors: Xiong XIAO, Jianping JIA, Zhaohui CHEN
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Publication number: 20230184740Abstract: Methods are described for determining the amount of insulin in a sample. Provided herein are mass spectrometric methods for detecting and quantifying insulin and C-peptide in a biological sample utilizing enrichment and/or purification methods coupled with tandem mass spectrometric or high resolution/high accuracy mass spectrometric techniques. Also provided herein are mass spectrometric methods for detecting and quantifying insulin and b-chain in a biological sample utilizing enrichment and/or purification methods coupled with tandem mass spectrometric or high resolution/high accuracy mass spectrometric techniques.Type: ApplicationFiled: October 31, 2022Publication date: June 15, 2023Applicant: Quest Diagnostics Investments LLCInventors: Steven W. TAYLOR, Michael McPHAUL, Richard E. REITZ, Zhaohui CHEN, Nigel J. CLARKE
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Patent number: 11486874Abstract: Methods are described for determining the amount of insulin in a sample. Provided herein are mass spectrometric methods for detecting and quantifying insulin and C-peptide in a biological sample utilizing enrichment and/or purification methods coupled with tandem mass spectrometric or high resolution/high accuracy mass spectrometric techniques. Also provided herein are mass spectrometric methods for detecting and quantifying insulin and b-chain in a biological sample utilizing enrichment and/or purification methods coupled with tandem mass spectrometric or high resolution/high accuracy mass spectrometric techniques.Type: GrantFiled: June 17, 2019Date of Patent: November 1, 2022Assignee: Quest Diagnostics Investments LLCInventors: Steven W. Taylor, Michael McPhaul, Richard E. Reitz, Zhaohui Chen, Nigel Clarke
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Publication number: 20220291228Abstract: Methods are described for measuring the amount of C peptide in a sample. More specifically, mass spectrometric methods are described for detecting and quantifying C peptide in a sample utilizing on-line extraction methods coupled with tandem mass spectrometric or high resolution/high accuracy mass spectrometric techniques.Type: ApplicationFiled: May 27, 2022Publication date: September 15, 2022Inventors: Nigel CLARKE, Zhaohui CHEN
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Patent number: 11346845Abstract: Methods are described for measuring the amount of C peptide in a sample. More specifically, mass spectrometric methods are described for detecting and quantifying C peptide in a sample utilizing on-line extraction methods coupled with tandem mass spectrometric or high resolution/high accuracy mass spectrometric techniques.Type: GrantFiled: September 21, 2020Date of Patent: May 31, 2022Assignee: Quest Diagnostics Investments IncorporatedInventors: Nigel Clarke, Zhaohui Chen
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Patent number: 11276853Abstract: Electrodes, energy storage devices using such electrodes, and associated methods are disclosed. In an example, an electrode for use in an energy storage device can comprise porous disks comprising a porous material, the porous disks having a plurality of channels and a surface, the plurality of channels opening to the surface; and a structural material encapsulating the porous disks; where the structural material provides structural stability to the electrode during use.Type: GrantFiled: February 26, 2019Date of Patent: March 15, 2022Assignee: Intel CorporationInventors: Donald S. Gardner, Charles W. Holzwarth, Bum Ki Moon, Yang Liu, Priyanka Pande, Shanthi Murali, Nicolas Cirigliano, Zhaohui Chen
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Publication number: 20220044545Abstract: The present invention discloses an air-sea buoy monitoring system towards mid-latitude ocean including a meteorological data acquisition system, an underwater data acquisition system and a central processor. It collects data through different sensors via both meteorology and underwater data acquisition systems, and then transmits data to a central processor. The data collected by meteorology and underwater data acquisition systems will be analyzed and visualized via an information processing system and an image processing system. An alarm module is provided to alarm when meteorological data/value exceeds a certain threshold. This buoy monitoring system ensures the long term, continuous and simultaneous observation of multi-level/multi-factors for the air-sea interface and underwater oceanic environment at a fixed point, with the data being transmitted to shore-based data center in real time via communication satellites.Type: ApplicationFiled: March 1, 2021Publication date: February 10, 2022Inventors: Xin MA, Zhaohui Chen, Lixin Wu, Weicheng Wang
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Publication number: 20210399382Abstract: A polymer battery separator with an interpenetrating network structure and a preparation method thereof are disclosed. A multilayer microporous separator includes a PVDF layer, and a PE-PVDF porous substrate located on a surface of the PVDF layer. Finger-like through holes with a pore size of 100-150 nm are distributed in the PVDF finger-like pore layer. An interpenetrating network structure with a pore size of 50-100 nm is distributed on an interface between the PVDF finger-like pore layer and the PE microporous layer. Micropores with a pore size of 20-50 nm are distributed in the PE microporous layer. The surface of the PVDF layer is covered with the PE-PVDF porous substrate, so that the multilayer microporous separator forms an interpenetrating network structure, which has improved thermal stability and high-temperature resistance.Type: ApplicationFiled: August 3, 2020Publication date: December 23, 2021Applicant: JIANGSU HORIZON NEW ENERGY TECH CO., LTD.Inventors: Peiliang JIA, Mengxi ZHAO, Xingxing WENG, Zhaohui CHEN
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Publication number: 20210382076Abstract: Methods are described for determining the amount of insulin in a sample. More specifically, mass spectrometric methods are described for detecting and quantifying insulin in a biological sample utilizing purification methods coupled with tandem mass spectrometric or high resolution/high accuracy mass spectrometric techniques.Type: ApplicationFiled: August 20, 2021Publication date: December 9, 2021Applicant: Quest Diagnostics Investments IncorporatedInventors: Zhaohui CHEN, Nigel CLARKE
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Patent number: 11131641Abstract: A method for measuring the oil content of a lithium battery separator by using DSC includes the following steps: taking 5-10 mg of an oil-containing separator sample from the lithium battery separator, and taking 5-10 mg of an oil-free separator sample from an oil-free separator; performing an enthalpy test on the oil-free separator sample at room temperature by using a differential scanning calorimeter to obtain a first enthalpy value, and performing an enthalpy test on the oil-containing separator sample by using the differential scanning calorimeter to obtain a second enthalpy value; subtracting the second enthalpy value from the first enthalpy value to obtain a difference, and then dividing the difference by the first enthalpy value to obtain the oil content of the oil-containing separator sample.Type: GrantFiled: May 21, 2020Date of Patent: September 28, 2021Assignee: JIANGSU HORIZON NEW ENERGY TECH CO., LTD.Inventors: Yeqing Zhang, Xingxing Weng, Cheng Jin, Zhaohui Chen