Patents by Inventor An Xu

An Xu 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).

  • Process and catalyst formulation for cracking crude oil
    Patent number: 11866660
    Abstract: A process for converting crude oil may comprise contacting a crude oil with one or more hydroprocessing catalysts to produce a hydroprocessed effluent and contacting the hydroprocessed effluent with a fluidized catalytic cracking (FCC) catalyst composition in an FCC system to produce cracked effluent comprising at least olefins. The crude oil may have an API gravity from 25 to 29. The FCC system may operate at a temperature of greater than or equal to 580° C., a weight ratio of the FCC catalyst composition to the crude oil of from 2:1 to 10:1, and a residence time of from 0.1 seconds to 60 seconds. The FCC catalyst composition may comprise ultrastable Y-type zeolite (USY zeolite) impregnated with lanthanum; ZSM-5 zeolite impregnated with phosphorous; an alumina binder; colloidal silica; and a matrix material comprising Kaolin clay.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: January 9, 2024
    Assignee: Saudi Arabian Oil Company
    Inventors: Mansour Ali Al Herz, Aaron Akah, Qi Xu, Lianhui Ding, Bander A. Al Ghamdi
  • BACILLUS SUBTILIS STRAIN, RECOMBINANT BACILLUS SUBTILIS STRAIN AND USE THEREOF
    Publication number: 20240002867
    Abstract: The present disclosure provides a Bacillus subtilis strain, a recombinant B. subtilis strain and use thereof, belongs to the technical field of microbial fermentation. B. subtilis strain RF1-6 provided by the present disclosure is a mutant strain with the highest riboflavin yield screened by gene modification and mutagenesis using a high riboflavin-producing strain RF1 as a starting strain, deposited at China Center for Type Culture Collection (CCTCC) under accession number M 2022565. Riboflavin yield can be increased by 22.8% compared with that of the high riboflavin-producing strain RF1.
    Type: Application
    Filed: September 26, 2022
    Publication date: January 4, 2024
    Inventors: Zhiming RAO, Jiajia YOU, Taowei YANG, Xuewei PAN, Xian ZHANG, Meijuan XU
  • SYSTEM AND METHOD OF DETECTING FLUID LEVELS IN TANKS
    Publication number: 20240003733
    Abstract: A method comprising receiving, from a infrared image capture device, an image including a fluid storage tank storing a fluid, the image including an image intensity associated with a temperature of the fluid storage tank with an internal surface that is in contact with the fluid and an image intensity associated with a temperature of the first fluid storage tank with an internal surface that is not in contact with the fluid, generating feature maps, sliding a window to obtain a plurality of anchor shapes using a region proposal network, determining if each anchor shape contains an object to generate a plurality of regions of interest, extracting feature maps from each region of interest, classifying objects in each region of interest, identifying stored fluid using the objects, determining volume of stored fluid based on the stored fluid, and providing the volume to a digital device for display.
    Type: Application
    Filed: May 1, 2023
    Publication date: January 4, 2024
    Applicant: Plainsight Corp.
    Inventors: Logan Spears, Carlos Anchia, Corey Staten, Wei Xu
  • CHANNEL STATE INFORMATION (CSI) REFERENCE SIGNAL (RS) (CSI-RS) REPETITION CONFIGURATIONS FOR HIGH DOPPLER SYSTEMS
    Publication number: 20240007162
    Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for configuring CSI-RS repetitions for CSI measurement in high Doppler scenarios. An example method generally includes receiving, from a network entity, a configuration identifying channel state information (CSI) reference signal (RS) (CSI-RS) repetitions over which a CSI report is to be generated, receiving CSI-RS repetitions according to the configuration, measuring CSI based on the received CSI-RS repetitions, and transmitting the CSI report including the measured CSI to the network entity.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 4, 2024
    Inventors: Qiaoyu LI, Yu ZHANG, Hao XU, Liangming WU, Chenxi HAO, Chao WEI
  • C-TERMINUS MODIFIED HUMAN PAPILLOMAVIRUS TYPE 6 L1 PROTEIN AND USE THEREOF
    Publication number: 20240000909
    Abstract: The present application relates to a C-terminus modified human papillomavirus type 6 L1 protein and use thereof. Specifically, the present application relates to a C-terminus modified human papillomavirus (HPV) type 6 L1 protein, an encoded nucleotide thereof, a vector comprising the nucleotide, a cell comprising the vector, a pentamer or virus-like particle composed of the HPV6 L1 protein, a vaccine containing the pentamer or virus-like particle and a vaccine adjuvant, and the use thereof in prevention of HPV infection and HPV infection-related diseases.
    Type: Application
    Filed: September 26, 2021
    Publication date: January 4, 2024
    Inventors: Xuemei Xu, Baicheng Xia, Ting Zhang
  • OVERLAP HANDLING FOR UPLINK CHANNELS WITH MULTI-SLOT TRANSMISSION TIME INTERVAL
    Publication number: 20240008035
    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may convey uplink control information (UCI) to a base station using a multi-slot or single slot uplink channels. In some cases, however, transmissions scheduled on a first set of resources allocated for multi-slot transmission of a first uplink channel may overlap with one or more slots of a second set of resources allocated for multi-slot transmission of a second uplink control channel. Accordingly, the UE may employ a number of different techniques to transmit the UCI. In a first case, the UE may map the UCI to at least one of the overlapping slots of the first uplink channel. In a second case, the UE may drop the second uplink channel which carries the UCI. In a third case, and the UE may map the UCI to an overlapping slot of the second uplink channel.
    Type: Application
    Filed: January 19, 2021
    Publication date: January 4, 2024
    Inventors: Jing DAI, Chao WEI, Qiaoyu LI, Min HUANG, Changlong XU, Hao XU
  • Methods and Systems for Resending Missing Network Data Packets
    Publication number: 20240007373
    Abstract: Methods and systems for a networked storage environment are provided. One method includes splitting, by a first node, a payload into a plurality of data packets, each data packet having a portion of the payload indicated by an offset value indicating a position of each portion within the payload; transmitting, by the first node, the plurality of data packets to a second node using a network connection for a transaction, each data packet including a header generated by the first node having the offset value and a payload size; receiving, by the first node, a message from the second node indicating an offset value of a missing payload of a missing data packet from among the plurality of data packets; and resending, by the first node, the missing data packet and any other data packet whose offset value occurs after the offset value of the missing payload.
    Type: Application
    Filed: August 1, 2023
    Publication date: January 4, 2024
    Inventors: Houze Xu, Yuepeng Qi
  • SUPERELASTIC ALLOYS
    Publication number: 20240002982
    Abstract: Disclosed herein is a superelastic alloy comprising tin, in an amount of between 1 at. % and 8 at. %, niobium, in an amount of between 1 at. % and 10 at. % and iron, in an amount of between 0.5 at. % and 3 at. %. The alloy may also optionally comprise oxygen, in an amount of between 0 and 2 at. % and zirconium, in an amount of between 0 and 10 at. %. The balance of the alloy composition is titanium and unavoidable impurities.
    Type: Application
    Filed: November 12, 2021
    Publication date: January 4, 2024
    Inventors: Ali RAMEZANNEJAD, Ma QIAN, Wei XU
  • SYSTEMS AND METHODS FOR SUPPORTING BOTH BATCH PROCESSING AND STREAMING DATA APPLICATIONS BASED ON RAW BLOCKCHAIN DATA
    Publication number: 20240004866
    Abstract: Systems and methods for supporting both batch processing and streaming data applications, to load and process data incrementally, while providing a near-constantly materialized dataset based on raw blockchain data, are described. For example, the system may receive first on-chain data in a first format via a first input stream, wherein the first on-chain data originates from a blockchain node of a blockchain network. The system may transform the first on-chain data to a second format for storage in a second dataset, wherein the second format comprises an unbounded table.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 4, 2024
    Applicant: Coinbase, Inc.
    Inventors: Jie ZHANG, Zhicong LIANG, Yaohua YANG, David LAI, Chaoqing LU, Jinghan XU, Xu MENG
  • DISPLAY SUBSTRATE AND DISPLAY DEVICE
    Publication number: 20240008333
    Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate; a plurality of pixel units arranged on the base substrate, the plurality of pixel units are arranged in an array in a first direction and a second direction, each pixel unit includes a plurality of sub-pixels, each sub-pixel includes a light emitting element and a pixel driving circuit used to drive the light emitting element, and the pixel driving circuit includes a first transistor; and a plurality of gate lines arranged on the base substrate, the plurality of gate lines include a plurality of first gate lines used to provide a scanning signal to gate electrodes of the first transistors of the pixel driving circuits in a plurality of rows of sub-pixels respectively. At least one first gate line includes a first gate sub-line, a second gate sub-line and a plurality of connecting lines.
    Type: Application
    Filed: June 29, 2022
    Publication date: January 4, 2024
    Inventors: Ying Han, Pan Xu, Guoying Wang, Xing Zhang, Chengyuan Luo, Mingi Chu, Dacheng Zhang
  • Message Processing Method, Network Device, and Controller
    Publication number: 20240007399
    Abstract: A message processing method includes slice information, such as an identifier of a network slice and information about a path in the network slice, that is carried in a message, and the message is reported to the controller, so that slice information on a forwarding plane is consistent with slice information on a control plane, and the controller controls a message forwarding path based on slice information on the network device.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Inventors: Juan Zheng, Guoqi Xu, Lei Bao, Xinjun Chen, Ting Liao
  • CONTROL METHOD AND CONTROL DEVICE FOR PROVIDING GUIDANCE, CHARGING PILE AND ROBOT
    Publication number: 20240004398
    Abstract: The present disclosure provides a control method and control device for providing guidance, a charging pile and a robot. The control method for providing guidance comprises: triggering a first positioning circuit to transmit a first request message at a preset period, and a second positioning circuit to transmit a second request message at the preset period after receiving a guidance request message transmitted by a robot; determining a first distance between the robot and the first positioning circuit; determining a second distance between the robot and the second positioning circuit; determining a position of the robot relative to the charging pile according to the first distance and the second distance; and transmitting information about the position to the robot, thereby the robot adjusting a path according to the position to complete the docking of the robot to the charging pile.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 4, 2024
    Inventors: Xiujun YAO, Chenguang GUI, Zhetao XU
  • METHOD FOR PREPARING DISPLAY SUBSTRATE AND DISPLAY SUBSTRATE
    Publication number: 20240006421
    Abstract: Disclosed is a method for preparing a display substrate, including: providing a driving substrate; wherein the driving substrate includes: a base substrate; a pixel driving circuit layer; a first pad and a second pad, spaced from each other, and connected to the pixel driving circuit layer; and an electrostatic protection alignment, spaced from the first pad; and transferring a light-emitting element to the driving substrate, such that an anode of the light-emitting element is connected in alignment with the first pad and a cathode of the light emitting-element is connected in alignment with the second pad. The first pad includes a first toothed tip arranged on a side of the first pad facing the electrostatic protection alignment, and the electrostatic protection alignment includes a second toothed tip arranged on a side of the electrostatic protection alignment facing the first pad.
    Type: Application
    Filed: December 29, 2022
    Publication date: January 4, 2024
    Inventors: ZHONGXIE XU, HAOXUAN ZHENG
  • SYSTEMS AND METHODS FOR IMPROVED BLOCKCHAIN DATA INDEXING BY AVOIDING THROUGHPUT BOTTLENECKS
    Publication number: 20240007525
    Abstract: Systems and methods for a unified approach that is compatible with all blockchains, protocols, etc. The systems and methods use a bifurcated indexing system with a dynamically selected application service. The systems and methods bifurcate the indexing process into a storage layer and a compute layer.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 4, 2024
    Applicant: Coinbase, Inc.
    Inventors: Jie ZHANG, Zhicong LIANG, Yaohua YANG, David LAI, Chaoqing LU, Jinghan XU, Xu MENG
  • METHOD AND DEVICE FOR SMOKE OR FIRE RECOGNITION, COMPUTER APPARATUS, AND STORAGE MEDIUM
    Publication number: 20240005757
    Abstract: A method and device for smoke or fire recognition, a computer device and a storage medium are disclosed. The method includes: acquiring a to-be-recognized image in a smoke or fire monitoring region; recognizing a smoke or fire suspected region in the to-be-recognized image according to the to-be-recognized image, including recognizing a smoke or fire suspected region in a visible light image on the basis of colors, and recognizing a smoke or fire suspected region in an infrared image on the basis of brightness; and inputting the to-be-recognized image including the smoke or fire suspected region into a preset model, and recognizing a smoke or fire state in the to-be-recognized image according to an output result of the preset model, the preset model being obtained by training based on the visible light image pre-marked with a smoke or fire state or the infrared image pre-marked with a smoke or fire state.
    Type: Application
    Filed: March 5, 2021
    Publication date: January 4, 2024
    Applicant: CSG POWER GENERATION CO., LTD.
    Inventors: Liqun SUN, Man CHEN, Hao ZHANG, Yong LU, Tao LIU, Ming XU, Jianhui LI, Miaogeng WANG, Zhipeng LV, Kai LIN, Yulin HAN, Yu GONG, Haifeng GUO, Xiaoyi WANG, Hanlong WANG, Rufei HE
  • METHOD FOR EVALUATING SUBSTRATE SURFACE CLEANLINESS ORIENTED TO ADDITIVE FORGING
    Publication number: 20240003824
    Abstract: A method for evaluating a surface cleanliness oriented toward additive forging of a metal substrate employs weight coefficients corresponding to oil contaminants, particles and chips. Contamination scores of different contaminants are determined separately by different methods, and a surface cleanliness thereof is characterized in a quantitative manner by calculating the sum of the product of the weight coefficient and the contamination score of each contaminant. Further, an accurate and systematic method for evaluating a surface cleanliness employs weight coefficient of each contaminant determined based on a degree of adverse influence of the contaminant on the interface bonding of a substrate. Different detection methods are used for different contaminants.
    Type: Application
    Filed: January 20, 2022
    Publication date: January 4, 2024
    Inventors: Jiang GUO, Renke KANG, Zhaocheng WEI, Yong ZHAO, Bin XU, Zhuji JIN, Dianzhong LI
  • HYBRID MEASUREMENT FOR SIDELINK RELAY SELECTION
    Publication number: 20240007927
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may obtain, for each of one or more sidelink relay candidates, a measurement of a sidelink signal and a measurement of a Uu signal to a base station. The UE may select a sidelink relay candidate from among the one or more sidelink relay candidates based at least in part on a combination of the measurement of the sidelink signal and the measurement of the Uu signal for each sidelink relay candidate. The UE may transmit, to the selected sidelink relay candidate, a message that is to be relayed to the base station. Numerous other aspects are described.
    Type: Application
    Filed: January 13, 2021
    Publication date: January 4, 2024
    Inventors: Huilin XU, Peng CHENG, Seyedkianoush HOSSEINI
  • IMPROVED INSTRUMENT MONITORING AND CORRECTION
    Publication number: 20240003742
    Abstract: In the disclosure provided herein, the described apparatus, systems and methods are directed to compensation of errors caused by the difference between the specular port and the sphere in a sphere-based color-measurement instrument, and improvement of the performance of the instrument. In one or more implementations, described approaches eliminate the need for hardware replacement, and therefore reduce costs associated with the operation of color measurement instruments.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 4, 2024
    Inventors: Zhiling Xu, William Bishop
  • MEDICAL DEVICE WITH A FLOW CONTROLLER
    Publication number: 20240000477
    Abstract: A system for controlling the flow of fluid through a medical device may include a medical device having a lumen that extends to a distal end of the medical device; a fluid source configured to supply fluid having a positive pressure to the lumen of the medical device; and a flow controller configured to apply a negative pressure to the fluid within the lumen, wherein the flow controller is triggered to apply the negative pressure upon a lowering of the positive pressure from the fluid source.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Paul SMITH, Ryan V. WALES, Sean P. FLEURY, Laura Elizabeth CHRISTAKIS, Scott E. BRECHBIEL, Jeff GRAY, Mingxiang XU
  • DEVICES, SYSTEMS, AND METHODS FOR IMAGE STITCHING
    Publication number: 20240005450
    Abstract: A method for image stitching is provided. The method may include obtaining a reference image of a first portion of a subject and a target image of a second portion of the subject, and determining at least one pair of feature points based on a preliminary registration accuracy. The first and second portions may at least partially overlap with each other. Each pair may include a reference feature point in the reference image and a target feature point in the target image that matches the reference feature point. For each pair, the method may further include determining an updated pair of feature points based on a superior registration accuracy higher than the preliminary registration accuracy and a neighboring region of the target feature point of the pair. The method may further include generating a stitched image based on the at least one updated pair.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Liang XU, Shurui ZHAO, Yang HU, Yecheng HAN, Wanli TENG