Patents by Inventor Wenhua Zhang

Wenhua Zhang 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: 11571082
    Abstract: The pot cover assembly includes a pot cover body and a spill-proof detection device. The spill-proof detection device is a capacitive detection device and it is provided on the pot cover body. At least a lower surface of the spill-proof detection device forms a detection plane and a capacitance value of the spill-proof detection device is changed as a function of a contact medium of the detection plane.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: February 7, 2023
    Assignee: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING CO., LTD.
    Inventors: Jun Lei, Wenhua Liu, Yunfeng Wang, Shufeng Huang, Deyong Jiang, Fan Zhang, Weiming Huang
  • Patent number: 11568017
    Abstract: A computerized system for transmitting web site data to client devices. the system includes a memory storing instructions and a processor configured to execute the instructions to perform operations. The operations may include generating a plurality of clusters including a fixed number of records, receiving a request to display a list from a client device, and identifying a first cluster, from the plurality of clusters, for display at a landing page. The operations may also include generating a first transmission packet with the first cluster and a callback script, the callback script including navigation triggered functions and a callback message. The operations may also include transmitting the first transmission packet to the client device, receiving the callback message from the client, identifying a second cluster, generating a second transmission packet with the second cluster, and transmitting the second transmission packet.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: January 31, 2023
    Assignee: COUPANG CORP.
    Inventors: Byeong Yong Lee, Zhongxing Wang, Yufeng Zhang, Wenhua Zhu
  • Patent number: 11554529
    Abstract: Disclosed are 3D printing equipment, a system, and a method for food design and production. The 3D printing equipment has a bipolar microwave heating antenna for focusing heating on a material in an extrusion nozzle. The extrusion nozzle is between the anode antenna and the cathode antenna of the bipolar microwave heating antenna. The anode antenna and the cathode antenna limit a microwave electric field between them, thereby implementing focused heating on the material.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: January 17, 2023
    Assignee: Jiangnan University
    Inventors: Daming Fan, Zilong Zhao, Bowen Yan, Wenhua Gao, Jianlian Huang, Huayu Yang, Hao Zhang, Jianxin Zhao, Wei Chen
  • Patent number: 11535836
    Abstract: The invention is directed to novel variant glucoamylases.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: December 27, 2022
    Assignee: Fornia Biosolutions, Inc.
    Inventors: Xiyun Zhang, Jie Yang, Goutami Banerjee, Khin Oo, Marielle De Jesus Palatino, Eric Lin Hu, Imad N. Sawaya, Tatsuya Fukushima, Jijiao Zeng, Wenhua Lu
  • Patent number: 11478103
    Abstract: A wireless power supply system for a cooking appliance includes a power transmission device and a power reception device. The power transmission device includes a transmission coil and a coil driving circuit coupled to the transmission coil and configured to drive the transmission coil to generate an alternating electromagnetic field and vary a resonance voltage of the transmission coil. The power reception device includes a reception coil matching the transmission coil and configured to sense the alternating electromagnetic field to generate a varying induction voltage signal that varies according to the varying resonance voltage and a communication and demodulation circuit configured to demodulate the varying induction voltage signal to output demodulated data.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: October 25, 2022
    Assignee: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING CO., LTD.
    Inventors: Fan Zhang, Yunfeng Wang, Deyong Jiang, Jun Lei, Wenhua Liu, Shufeng Huang, Lutian Zeng
  • Patent number: 11472929
    Abstract: This invention relates to a high molecular weight nylon powder composition for 3D printing, its preparation method and use. The composition comprises: 100 parts by weight of high-viscosity nylon powder, 1-5 parts by weight of a flow agent, and 0.1-1 parts by weight of an antioxidant; the high-viscosity nylon powder is one or more selected from nylon 6, nylon 66, nylon 11, nylon 12, nylon 612 and nylon 610; or the powder composition is obtained via polymerization reaction of the raw materials comprising the following components, based on the weight parts of lactam monomers or amide monomers: 100 parts by weight of lactam monomers or amide monomers, 0.005-1 parts by weight of a catalyst, and 0.1-1 parts by weight of an antioxidant.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: October 18, 2022
    Assignee: INSTITUTE OF CHEMISTRY, CHINESE ACADEMY OF SCIENCES
    Inventors: Yongmei Ma, Kun Zheng, Jingnan Zhang, Xinyu Cao, Fusong Wang, Xuechun Lin, Wenhua Sun, Jian Xu, Jinyong Dong, Chuncheng Li, Wenxin Fu
  • Patent number: 11448558
    Abstract: A Michelson interference optical fiber temperature sensor for detecting fringe contrast change is provided. It includes a light source, an optical fiber coupler connected to a first optical fiber and a second optical fiber, a coarse wavelength division multiplexer, a first photodetector, a second photodetector, a display device, and a processing circuit connected to the display device. The light source, optical fiber coupler and coarse wavelength division multiplexer are connected sequentially in that order. The coarse wavelength division multiplexer is connected to the first photodetector and the second photodetector individually. The first photodetector and the second photodetector are connected to the processing circuit. An end of the first optical fiber or the second optical fiber facing away from the optical fiber coupler is connected to a semiconductor. It has advantages of simple and fast manufacturing process, safe and reliable sensor, stable signal, low cost, high sensitivity and high precision.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: September 20, 2022
    Assignee: GUANGDONG OCEAN UNIVERSITY
    Inventors: Wenhua Wang, Wenqing Shi, Zhengye Xiong, Weina Wu, Yansheng Zhang, Yuanzheng Luo, Yuping Xie, Xianxiang Fei, Jiang Huang, Xuehui Lai, Chuhong Wang
  • Patent number: 11450312
    Abstract: A speech recognition method includes: obtaining speech information; and determining beginning and ending positions of a candidate speech segment in the speech information by using a weighted finite state transducer (WFST) network. The candidate speech segment is identified as corresponding to a preset keyword. The method also includes clipping the candidate speech segment from the speech information according to the beginning and ending positions of the candidate speech segment; detecting whether the candidate speech segment includes a preset keyword by using a machine learning model; and determining, upon determining that the candidate speech segment comprises the preset keyword, that the speech information comprises the preset keyword.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: September 20, 2022
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Shilun Lin, Xilin Zhang, Wenhua Ma, Bo Liu, Xinhui Li, Li Lu, Xiucai Jiang
  • Publication number: 20220268641
    Abstract: A Michelson interference optical fiber temperature sensor for detecting fringe contrast change is provided. It includes a light source, an optical fiber coupler connected to a first optical fiber and a second optical fiber, a coarse wavelength division multiplexer, a first photodetector, a second photodetector, a display device, and a processing circuit connected to the display device. The light source, optical fiber coupler and coarse wavelength division multiplexer are connected sequentially in that order. The coarse wavelength division multiplexer is connected to the first photodetector and the second photodetector individually. The first photodetector and the second photodetector are connected to the processing circuit. An end of the first optical fiber or the second optical fiber facing away from the optical fiber coupler is connected to a semiconductor. It has advantages of simple and fast manufacturing process, safe and reliable sensor, stable signal, low cost, high sensitivity and high precision.
    Type: Application
    Filed: May 11, 2022
    Publication date: August 25, 2022
    Inventors: WENHUA WANG, WENQING SHI, ZHENGYE XIONG, WEINA WU, YANSHENG ZHANG, YUANZHENG LUO, YUPING XIE, XIANXIANG FEI, JIANG HUANG, XUEHUI LAI, CHUHONG WANG
  • Patent number: 11416899
    Abstract: Disclosed is an estimation method for a whole life cycle cost of a power battery in echelon utilization. In this method, echelon utilization grades are established for the power battery according to an SOH of the power battery; a whole battery capacity model is constructed corresponding to the echelon utilization grades; a cost model is constructed corresponding to the echelon utilization grades; and a variation trend of the whole life cycle cost of the power battery is estimated according to the echelon utilization grades for the power battery, the power battery capacity model and the cost model, and a result of estimation is outputted.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: August 16, 2022
    Assignees: STATE GRID JIANGXI ELECTRIC POWER COMPANY LIMITED RESEARCH INSTITUTE, STATE GRID CORPORATION OF CHINA, NANCHANG KECHEN ELECTRIC POWER TEST AND RESEARCH CO., LTD, NANCHANG INSTITUTE OF TECHNOLOGY
    Inventors: Ping Liu, Wenhua Zhang, Rui Xu, Fayuan Wu, Yongqiang Deng, Xiaomin Dai, Jinhui Tang, Hongxia Xiao
  • Publication number: 20220251672
    Abstract: A light-colored polycarboxylated polysaccharide tanning agent, and a preparation method and use thereof are provided. The light-colored polycarboxylated polysaccharide tanning agent includes the following raw materials: a polysaccharide, an organic solvent, a catalyst, and hydrogen peroxide. Based on a weight of the polysaccharide, a weight of the organic solvent accounts for 1 wt % to 15 wt %, a weight of the catalyst accounts for 0.05 wt % to 2 wt %, and a weight of the hydrogen peroxide accounts for 30 wt % to 80 wt %. The preparation method provided by the present disclosure adopts a two-phase solution system. Compared with the existing preparation technologies, the preparation method of the present disclosure can efficiently extract and remove colored substances produced during an oxidation process, and can timely block a polymerization reaction of the colored substances with an oxidized polysaccharide, such as to significantly reduce a chromaticity of an oxidized product.
    Type: Application
    Filed: March 7, 2022
    Publication date: August 11, 2022
    Applicant: SICHUAN UNIVERSITY
    Inventors: Yue YU, Yanan WANG, Bi SHI, Xueru GUO, Jianfei ZHOU, Yunhang ZENG, Wenhua ZHANG, Mingrong CAO
  • Patent number: 11390304
    Abstract: A composite aluminum plate assembly comprises at least two aluminum honeycomb profile units; each aluminum honeycomb profile unit comprises a support component, an interlayer aluminum honeycomb, a first aluminum plate and a second aluminum plate, the interlayer aluminum honeycomb being filled between the first aluminum plate and the second aluminum plate; an extension section is provided on an abutting side of at least one of two sides of aluminum plates of the aluminum honeycomb profile unit, the extension section extending to the exterior of the interlayer aluminum honeycomb at the same side; the strength of the support component is greater than that of the interlayer aluminum honeycomb, and extension sections of two adjacent aluminum honeycomb profile units are assembled to each other and connected and fixed by means of the support component.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: July 19, 2022
    Assignee: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Kaiwen Qi, Wenhua Li, Honglei Tian, Yuzhan Yuan, Ye Zhang
  • Publication number: 20220204956
    Abstract: The invention is directed to novel variant endoglucanases and their use thereof.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 30, 2022
    Applicant: Fornia BioSolutions, Inc.
    Inventors: Jie Yang, Xiyun Zhang, William Buchanan Porterfield, Wenhua Lu, Khin Oo, Goutami Banerjee, Tatsuya Fukushima, Eric Lin Hu
  • Patent number: 11339304
    Abstract: Provided herein are metal conductive compositions with improved conductivity. The improved conductivity is attributable to the addition of a sintering agent and a polymer emulsion.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: May 24, 2022
    Assignee: Henkel AG & Co. KGaA
    Inventors: Wenhua Zhang, Qinyan Zhu, John G. Woods, Hong (Dorothy) Jiang, Junjun Wu, Mark Jason
  • Patent number: 11287459
    Abstract: Disclosed is a magnetic photoacoustic composite non destructive testing device for a power transmission line of a photovoltaic grid based on a corona effect. The device may include a mechanical structure part and a data processing part. The mechanical structure part may include a shielding shell and mounting bases, shielding bodies are mounted on two sides of the shielding shell, a top of the shielding shell is provided with an upper cover, two sides under the upper cover are provided with the mounting base respectively, and the two mounting bases are located above the shielding bodies respectively. The data processing part may include a pair of optical sensing modules, a pair of magnetic sensing modules, an acoustic sensing module, a humidity sensing module, a micro-processor, a signal conditioning and transmission unit and an internal power supply management module.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: March 29, 2022
    Assignee: North University of China
    Inventors: Yifeng Ren, Changxin Chen, Junmei Zhao, Shuncai Yao, Wenhua Zhang, Dongxing Pei, Tiehua Ma
  • Publication number: 20210340398
    Abstract: Disclosed herein are stretchable conductive ink compositions comprising a polymer, conductive flake, an additive, and optionally conductive beads, wherein the initial resistivity is measured before elongation, and wherein the resistivity at 50% elongation is about 10 times or less of the initial resistivity.
    Type: Application
    Filed: July 8, 2021
    Publication date: November 4, 2021
    Inventors: Robert P. CROSS, Wenhua ZHANG, Zhan YANG, Jiangbo OUYANG, Yu CHEN, Lynnette M. HURLBURT, Darel L. GUSTAFSON
  • Publication number: 20210334860
    Abstract: Disclosed is an estimation method for a whole life cycle cost of a power battery in echelon utilization. In this method, echelon utilization grades are established for the power battery according to an SOH of the power battery; a whole battery capacity model is constructed corresponding to the echelon utilization grades; a cost model is constructed corresponding to the echelon utilization grades; and a variation trend of the whole life cycle cost of the power battery is estimated according to the echelon utilization grades for the power battery, the power battery capacity model and the cost model, and a result of estimation is outputted.
    Type: Application
    Filed: January 8, 2019
    Publication date: October 28, 2021
    Applicants: STATE GRID JIANGXI ELECTRIC POWER COMPANY LIMITED RESEARCH INSTITUTE, STATE GRID CORPORATION OF CHINA, NANCHANG KECHEN ELECTRIC POWER TEST AND RESEARCH CO., LTD, NANCHANG INSTITUTE OF TECHNOLOGY
    Inventors: Ping LIU, Wenhua ZHANG, Rui XU, Fayuan WU, Yongqiang DENG, Xiaomin DAI, Jinhui TANG, Hongxia XIAO
  • Publication number: 20210324219
    Abstract: Provided herein are stretchable conductive inks consisting of a continuous polymer phase with dispersed silver flakes and a low melting metal or alloy, wherein initial resistivity is measured before elongation and the resistivity of the stretchable conductive ink composition is less than 10 times the initial resistivity at 50% elongation.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Inventors: Robert P. Cross, Bahram lssari, Wenhua Zhang, Lynnette M. Hurlburt, Jiangbo Ouyang, Rudolf Oldenzijl, Inge van der Meulen
  • Publication number: 20210206988
    Abstract: Disclosed herein are electrically conductive ink compositions with high conductivity at a low conductive filler loading, the composition comprising a polymer, a monomer, an initiator or catalyst and conductive filler flakes, optionally the composition can include conductive or non-conductive beads, wherein after cure the monomer and polymer each form a separate phase.
    Type: Application
    Filed: March 23, 2021
    Publication date: July 8, 2021
    Inventors: Yu CHEN, Wenhua Zhang, Darel Gustafson, Robert P. Cross
  • Publication number: 20210033658
    Abstract: Disclosed is a magnetic photoacoustic composite non destructive testing device for a power transmission line of a photovoltaic grid based on a corona effect. The device may include a mechanical structure part and a data processing part. The mechanical structure part may include a shielding shell and mounting bases, shielding bodies are mounted on two sides of the shielding shell, a top of the shielding shell is provided with an upper cover, two sides under the upper cover are provided with the mounting base respectively, and the two mounting bases are located above the shielding bodies respectively. The data processing part may include a pair of optical sensing modules, a pair of magnetic sensing modules, an acoustic sensing module, a humidity sensing module, a micro-processor, a signal conditioning and transmission unit and an internal power supply management module.
    Type: Application
    Filed: July 29, 2020
    Publication date: February 4, 2021
    Inventors: Yifeng REN, Changxin CHEN, Junmei ZHAO, Shuncai YAO, Wenhua ZHANG, Dongxing PEI, Tiehua MA