Patents by Inventor Xiaofeng Li

Xiaofeng Li 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: 12123661
    Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), wherein the fin (11) has one or more fin sections extending spirally in the axial direction of the pipe body (10), and each fin section has a first end surface facing the inlet (100) and a second end surface facing the outlet (101), at least one of the first end surface and the second end surface of at least one of the rib sections is formed as a transition surface along spirally extending direction.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: October 22, 2024
    Assignees: China Petroleum & Chemical Corporation, Bejing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Guoqing Wang, Junjie Liu, Lijun Zhang, Cong Zhou, Zhaobin Zhang, Shasha Yang, Dongfa Shen, Xiaofeng Li, Shifang Yang, Zhiguo Du, Yonggang Zhang, Ying Shi, Jinghang Guo
  • Publication number: 20240328602
    Abstract: Methods, systems and devices associated with an electronic candle are described. In one example, an electronic candle comprises a housing having a through-hole at its top and a component shell. The component shell encloses a transfer mechanism including a driver motor and one or more gears positioned inside the component shell, a light emitting component coupled to the transfer mechanism such that the transfer mechanism causes the light emitting component to move vertically up or down to protrude from the housing or to retract into the housing, a lid positioned inside the component shell and movable to remain in at least one of an open configuration or a closed configuration, and a controller configured to turn on or off the light emitting component. The candle also includes a controller configured to turn on or off the light emitting component.
    Type: Application
    Filed: April 1, 2024
    Publication date: October 3, 2024
    Inventor: Xiaofeng Li
  • Publication number: 20240323684
    Abstract: The present disclosure provides a terminal access method, an equipment and a terminal, and relates to the technical field of communications. The method includes: acquiring, under the condition that an administrator terminal is located within a preset range, management configuration information of the administrator terminal by means of near field communication (NFC), where the management configuration information is used for managing a visitor terminal; and determining, according to the management configuration information and information to be verified of the visitor terminal, whether access of the visitor terminal is permitted.
    Type: Application
    Filed: April 13, 2022
    Publication date: September 26, 2024
    Inventors: Xiaoyu ZHAO, Xiaofeng LI
  • Patent number: 12085243
    Abstract: Methods, systems and devices associated with an electronic candle are disclosed. One example includes an electronic candle includes an outer shell including a through-hole, a light-emitting assembly including a flame sheet configured to protrude through the through-hole, an inner shell positioned within the outer shell, and a self-locking device positioned within a cavity of the inner shell. The self-locking device is configured to operate in (1) a locked state when a switch locks a spring in a compressed state and (2) an unlocked state when the switch releases the spring to be in a relaxed state. The electronic candle also includes a bottom case such that the bottom case is enclosed within the outer shell when the self-locking device is in the locked state and the bottom case is exposed to an external environment beneath the outer shell when the self-locking device is in the unlocked state.
    Type: Grant
    Filed: April 24, 2023
    Date of Patent: September 10, 2024
    Assignee: L&L Candle Company, LLC
    Inventor: Xiaofeng Li
  • Patent number: 12085276
    Abstract: A dry low NOX staged combustion system includes a fuel nozzle and a combustion compartment. The fuel nozzle includes a purge gas tube, a diffusion combustion fuel tube, an isolation gas tube, a premixed combustion fuel tube, a premixed combustion air tube. The purge gas tube is configured to feed a purge gas. The diffusion combustion fuel tube is fitted over the purge gas tube, and having an end provided with a diffusion combustion fuel swirler. The isolation gas tube is fitted over the diffusion combustion fuel tube. The premixed combustion fuel tube is fitted over the isolation gas tube. The premixed combustion air tube is fitted over the premixed combustion fuel tube. The combustion compartment is located downstream of the fuel nozzle.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: September 10, 2024
    Assignee: XI'AN THERMAL POWER RESEARCH INSTITUTE CO. LTD
    Inventors: Junfeng Xiao, Xiaofeng Li, Song Gao, Feng Wang, Wei Wang, Lin Xia, Mengqi Hu
  • Publication number: 20240265623
    Abstract: There is provided a solution for rendering a transparent polyhedron. In a method, obtaining reflected light colors of respective positions on a back face of the transparent polyhedron; sampling on a background image or an ambient map according to the refracted light directions of respective positions on the back face to obtain refracted light colors; obtaining colors of respective positions on the back face according to the reflected light colors and the refracted light colors of respective positions on the back face; obtaining colors of respective positions on a front face of the transparent polyhedron; weighted-mixing the colors of respective positions on the back face and the colors of respective positions on the front face according to a first weighting coefficient to obtain rendering colors of respective positions of the transparent polyhedron; rendering the transparent polyhedron according to the rendering colors of respective positions of the transparent polyhedron.
    Type: Application
    Filed: July 20, 2022
    Publication date: August 8, 2024
    Inventors: Xiaofeng LI, Yi GUO, Bo LIN, Shanyue HUANG, Xi GAO
  • Publication number: 20240257463
    Abstract: A method and an apparatus for virtual module rendering is provided by embodiments of the disclosure, which are related to the field of image rendering. The method includes selecting a plurality of target mesh vertices from mesh vertices of a target virtual model based on a predetermined manner; configuring point primitives corresponding to respective target mesh vertices; rendering the target virtual model to obtain a background image; determining attribute parameters of point primitives corresponding to respective target mesh vertices based on the background image; and rendering point primitives corresponding to respective target mesh vertices on the background image based on the attribute parameters of point primitives corresponding to the respective target mesh vertices, to generate a rendering effect image for the target virtual model.
    Type: Application
    Filed: July 19, 2022
    Publication date: August 1, 2024
    Inventors: Xiaofeng Li, Yi Guo
  • Publication number: 20240240765
    Abstract: Methods, systems and devices associated with an electronic candle are disclosed. In one example aspect, an electronic candle includes a mounting frame that includes a first connector and a power supply assembly that is detachable from the mounting frame. The power supply assembly includes a second connector that forms a coupling mechanism with the first connector. The power supply assembly further includes an energy storage, a first power source configured to charge the energy storage, and an electrical connection interface configured to connect the power supply assembly to a second power source. The electronic candle also includes a light-emitting assembly that is removably coupled to the mounting frame configured to operate using power provided by the power supply assembly, and one or more controllers configured to control an operation of the light-emitting assembly.
    Type: Application
    Filed: November 27, 2023
    Publication date: July 18, 2024
    Inventor: Xiaofeng Li
  • Publication number: 20240201837
    Abstract: A method for dynamically spatially visualizing in real time or historically tag localization and sensing data in a User Interface through the combined GUI elements of a Floor Layout view. An indoor map view visually indicates tags as colored dots moving within boundaries of Readers. Localization data from these tags are used to position and move them in a spatially accurate way.
    Type: Application
    Filed: February 26, 2024
    Publication date: June 20, 2024
    Applicant: Peytec Inc.
    Inventors: Peyman Moeini, Akbar Ahmari, Furat Al-Obaidy, Arghavan Asad, Dishan Fernando, Xavier Navajothy Fernando, Sammy Guergachi, Muhammad Jaseemuddin, Xiaofeng Li, Ryan Murari, Farah Mohammadi
  • Patent number: 12011518
    Abstract: Electronic imitation candle devices are described that produce a scent while including a flame-like element that simulates a real fire flame. One example device includes a support assembly having a base, a top plate and a support rod that connects the base and the top plate, as well as a flame element and a light source to simulate a real candle flame. The device also includes a fragrance compartment above the top plate that includes a lid removably positioned on top of the fragrance container. The device is further provided with a heating element above the top plate and below the fragrance container to provide heat to the fragrance container, and a switch coupled to the lid of the fragrance container and operable to sense that the fragrance container is covered by the lid and to deactivate the heating element when the fragrance container is covered by the lid.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: June 18, 2024
    Assignee: L&L Candle Company, LLC
    Inventor: Xiaofeng Li
  • Patent number: 11976891
    Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), the fin (11) spirally extends in an axial direction of the pipe body (10), wherein a height of the fin (11) gradually increases from one end in at least a part extension of the fin. The heat transfer enhancement pipe can reduce thermal stress of itself, thereby increasing service life of the heat transfer enhancement pipe.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: May 7, 2024
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Guoqing Wang, Junjie Liu, Lijun Zhang, Cong Zhou, Zhaobin Zhang, Shasha Yang, Dongfa Shen, Xiaofeng Li, Shifang Yang, Zhiguo Du, Yonggang Zhang, Ying Shi, Jinghang Guo
  • Publication number: 20240114760
    Abstract: The invention provides a close space annealing method and a method for preparing a perovskite film or a solar cell. The method includes: placing a substrate coated with the perovskite precursor film on a hot plate, the hot plate being in direct contact with the back face of the substrate; controlling the evaporated amount and residual amount of the solvent in the perovskite precursor film by controlling the temperature of the hot plate and the heating duration, so that the perovskite materials are crystallized into perovskite grains to form a perovskite intermediate-phase film; placing the perovskite intermediate-phase film on the permeable membrane with the back face of the substrate facing upward, continuing with heating, so that adjacent perovskite grains merge with each other; and raising the temperature of the hot plate and continuing with heating so that the perovskite grains form a perovskite light-absorbing layer.
    Type: Application
    Filed: December 6, 2023
    Publication date: April 4, 2024
    Inventors: Changlei WANG, Dewei ZHAO, Xiaofeng LI
  • Patent number: 11946622
    Abstract: Methods, systems and devices associated with an electronic candle are described. In one example, an electronic candle comprises a housing having a through-hole at its top and a component shell. The component shell encloses a transfer mechanism including a driver motor and one or more gears positioned inside the component shell, a light emitting component coupled to the transfer mechanism such that the transfer mechanism causes the light emitting component to move vertically up or down to protrude from the housing or to retract into the housing, a lid positioned inside the component shell and movable to remain in at least one of an open configuration or a closed configuration, and a controller configured to turn on or off the light emitting component. The candle also includes a controller configured to turn on or off the light emitting component.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: April 2, 2024
    Assignee: L&L Candle Company, LLC
    Inventor: Xiaofeng Li
  • Patent number: 11938167
    Abstract: Provided is a composition comprising a peptide comprising amino acids and/or amino acid analogs comprising a continuous sequence of a sclerostin fragment comprising Tyr43 or Tyr213. Also provided is a composition comprising a peptide comprising less than about 75 amino acids and/or amino acid analogs including an amino acid or amino acid analog capable of being sulfated, where the composition is capable of inhibiting sclerostin binding to an LRP. Further provided is a composition comprising a peptide comprising less than about 75 amino acids and/or amino acid analogs including an amino acid or amino acid analog capable of being post-translationally sulfated, where the composition is capable of inhibiting binding of a protein ligand comprising a sulfation site to its binding partner. Also provided are methods of using the compositions.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: March 26, 2024
    Assignees: ENZO BIOCHEM, INC., ENZO THERAPEUTICS, INC.
    Inventors: Joshua Rabbani, Xiaofeng Li, James J. Donegan
  • Publication number: 20240085096
    Abstract: The present invention discloses a refrigerator and a dedicated region module for a refrigeration apparatus, the refrigerator including a cabinet and a door for opening or closing the cabinet, a dedicated region module being provided on an inner side of the door facing the cabinet, and the dedicated region module having a receiving space for storing articles, the dedicated region module includes the electric component and a power module for supplying power to the electric component, such that a whole structure is simpler, and a manufacturing process is simpler.
    Type: Application
    Filed: April 12, 2021
    Publication date: March 14, 2024
    Inventors: XIAOFENG LI, WENCHUN WANG, HAO ZHANG, ENPIN XIA, TONG XU
  • Publication number: 20240084987
    Abstract: Flameless candles are described that improve the mounts used to support the flame sheet. The improved mounts can include a support base or a hook for movably supporting a flame sheet. The enhanced mounts improve the manufacturing of the assembly of the flameless candle and also enable the flame element to have a more natural flame-like flicker of light.
    Type: Application
    Filed: June 12, 2023
    Publication date: March 14, 2024
    Inventor: Xiaofeng Li
  • Publication number: 20240085089
    Abstract: The present invention discloses a refrigerator, including a cabinet and a door for opening or closing the cabinet, a dedicated region module being provided on an inner side of the door facing the cabinet, and the dedicated region module having a receiving space for storing articles, the refrigerator further includes a wireless charging unit, the wireless charging unit includes a receiving terminal provided on the dedicated region module and a transmitting terminal provided on the cabinet, the transmitting terminal is matched with the receiving terminal and configured to transmit generated energy, and the dedicated region module further includes an electric component electrically connected with the receiving terminal.
    Type: Application
    Filed: April 12, 2021
    Publication date: March 14, 2024
    Inventors: XIAOFENG LI, WENCHUN WANG, HAO ZHANG, ENPIN XIA, SEN MOU
  • Patent number: D1016341
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: February 27, 2024
    Assignee: LEOCOLAB LLC
    Inventor: Xiaofeng Li
  • Patent number: D1017491
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: March 12, 2024
    Inventor: Xiaofeng Li
  • Patent number: D1048478
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: October 22, 2024
    Assignee: L&L Candle Company, LLC
    Inventor: Xiaofeng Li