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Patents Grants
last 30 patents
Information
Patent Grant
Method for preparing weathered coal-derived humic acid/urea-formald...
Patent number
12,180,125
Issue date
Dec 31, 2024
North University of China
Yaqing Liu
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Stacked large-capacity signal acquisition and transmission system a...
Patent number
12,184,009
Issue date
Dec 31, 2024
North University of China
Qiulin Tan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Efficient microwave preparation method with one-step simultaneous r...
Patent number
12,110,230
Issue date
Oct 8, 2024
North University of China
Yaqing Liu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing thermoplastic starch by in-situ reactive extru...
Patent number
12,098,253
Issue date
Sep 24, 2024
North University of China
Yaqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Apparatus and method for real-time in-situ simultaneous measurement...
Patent number
12,072,231
Issue date
Aug 27, 2024
North University of China
Xiaorui Liang
G01 - MEASURING TESTING
Information
Patent Grant
Microelement amino acid chelate-urea formaldehyde slow-release fert...
Patent number
11,970,427
Issue date
Apr 30, 2024
North University of China
Yaqing Liu
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Ducted fan device integrated with permanent magnet synchronous disc...
Patent number
11,897,623
Issue date
Feb 13, 2024
North University of China
Tiehua Ma
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Method for measuring surface temperatures of turbine blade
Patent number
11,891,917
Issue date
Feb 6, 2024
North University of China
Helei Dong
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Large-field-of-view high-resolution imaging device
Patent number
11,882,349
Issue date
Jan 23, 2024
North University of China
Ping Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Rotary extrusion forming method for cabin section workpiece
Patent number
11,858,023
Issue date
Jan 2, 2024
North University of China
Xi Zhao
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for preparing multiple-material variable-rigidity component...
Patent number
11,833,615
Issue date
Dec 5, 2023
NORTH UNIVERSITY OF CHINA
Yu Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for preparing large-size rare earth magnesium alloy high-per...
Patent number
11,813,653
Issue date
Nov 14, 2023
North University of China
Zhimin Zhang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Demodulation system and demodulation method of fiber-optic sensor f...
Patent number
11,796,351
Issue date
Oct 24, 2023
North University of China
Pinggang Jia
G01 - MEASURING TESTING
Information
Patent Grant
Device and method for determining degradation rate of biodegradable...
Patent number
11,789,005
Issue date
Oct 17, 2023
North University of China
Yaqing Liu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
High-precision and high-efficiency injection mold for high-aspect-r...
Patent number
11,745,402
Issue date
Sep 5, 2023
North University of China
Yaqing Liu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of preparing graphene/natural rubber composite with enhanced...
Patent number
11,732,112
Issue date
Aug 22, 2023
North University of China
Yaqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of urea-formaldehyde/poly(butylene succinate) and its t...
Patent number
11,732,078
Issue date
Aug 22, 2023
North University of China
Yaqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Heat-sound-vibration three-parameter integrated in-situ sensor and...
Patent number
11,703,377
Issue date
Jul 18, 2023
North University of China
Yongqiu Zheng
G01 - MEASURING TESTING
Information
Patent Grant
System and method of measuring the frequency of a radio frequency s...
Patent number
11,656,259
Issue date
May 23, 2023
North University of China
Jun Liu
G01 - MEASURING TESTING
Information
Patent Grant
Gradient electrically conductive-uniform thermally conductive dual...
Patent number
11,622,483
Issue date
Apr 4, 2023
North University of China
Yaqing Liu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
System for simultaneously and microscopically measuring vapor cell...
Patent number
11,614,464
Issue date
Mar 28, 2023
North University of China
Zongmin Ma
G01 - MEASURING TESTING
Information
Patent Grant
Equipment and method for continuously preparing graphene powder dir...
Patent number
11,597,810
Issue date
Mar 7, 2023
North University of China
Yaqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Extrusion forming die for cabin component
Patent number
11,478,832
Issue date
Oct 25, 2022
North University of China
Xi Zhao
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Magnetic photoacoustic composite non destructive testing device of...
Patent number
11,287,459
Issue date
Mar 29, 2022
North University of China
Yifeng Ren
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber Fabry-Perot sensor, and manufacturing method thereof
Patent number
11,137,301
Issue date
Oct 5, 2021
North University of China
Jijun Xiong
G02 - OPTICS
Information
Patent Grant
Pressure-sensitive chip, pressure sensor, and pressure monitoring s...
Patent number
11,079,296
Issue date
Aug 3, 2021
North University of China
Jijun Xiong
G01 - MEASURING TESTING
Information
Patent Grant
Extrusion granulated urea-formaldehyde-based multi-nutrient slow/co...
Patent number
10,906,843
Issue date
Feb 2, 2021
North University of China
Guizhe Zhao
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Water-absorbing and water-retaining multi-nutrient biodegradable po...
Patent number
10,865,161
Issue date
Dec 15, 2020
North University of China
Yaqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for manufacturing quasicrystal and alumina mixed particulate...
Patent number
10,844,461
Issue date
Nov 24, 2020
NORTH UNIVERSITY OF CHINA
Zhao Yuhong
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Special-purpose die for shaping aluminum-magnesium alloy by rotatin...
Patent number
10,814,370
Issue date
Oct 27, 2020
North University of China
Zhimin Zhang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
STACKED LARGE-CAPACITY SIGNAL ACQUISITION AND TRANSMISSION SYSTEM A...
Publication number
20250007218
Publication date
Jan 2, 2025
NORTH UNIVERSITY OF CHINA
Qiulin TAN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
A HYDROGEN FUEL HIGH-SPEED ROTATING MAGNETOHYDRODYNAMIC POWER GENER...
Publication number
20250003365
Publication date
Jan 2, 2025
NORTH UNIVERSITY OF CHINA
Tiehua MA
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
LIGHTWEIGHT, LOW-THICKNESS, DURABLE AND RELIABLE MULTI-BAND RADAR S...
Publication number
20240408846
Publication date
Dec 12, 2024
NORTH UNIVERSITY OF CHINA
Yaqing LIU
B32 - LAYERED PRODUCTS
Information
Patent Application
OPERATION METHOD AND OPERATION SYSTEM FOR UPPER AND LOWER DOUBLE-DU...
Publication number
20240409129
Publication date
Dec 12, 2024
NORTH UNIVERSITY OF CHINA
Tiehua MA
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIGHTWEIGHT, BALLISTIC AND BLAST-RESISTANT MULTI-PHASE COMPOSITE AR...
Publication number
20240369326
Publication date
Nov 7, 2024
NORTH UNIVERSITY OF CHINA
Yaqing LIU
F41 - WEAPONS
Information
Patent Application
APPARATUS AND METHOD FOR REAL-TIME IN-SITU SIMULTANEOUS MEASUREMENT...
Publication number
20240302203
Publication date
Sep 12, 2024
NORTH UNIVERSITY OF CHINA
Xiaorui LIANG
G01 - MEASURING TESTING
Information
Patent Application
EFFICIENT MICROWAVE PREPARATION METHOD WITH ONE-STEP SIMULTANEOUS R...
Publication number
20240174518
Publication date
May 30, 2024
NORTH UNIVERSITY OF CHINA
Yaqing LIU
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREPARING WEATHERED COAL-DERIVED HUMIC ACID/UREA-FORMALD...
Publication number
20240174578
Publication date
May 30, 2024
NORTH UNIVERSITY OF CHINA
Yaqing LIU
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
SULFONATED LIGNIN AS A BY-PRODUCT OF PAPERMAKING WOOD PULP/UREA-FOR...
Publication number
20240132676
Publication date
Apr 25, 2024
NORTH UNIVERSITY OF CHINA
Yaqing LIU
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
POLARIZATION FUSION ORIENTATION METHOD FOR OCCLUDED ENVIRONMENT
Publication number
20240111062
Publication date
Apr 4, 2024
NORTH UNIVERSITY OF CHINA
Chong SHEN
G01 - MEASURING TESTING
Information
Patent Application
MICROELEMENT AMINO ACID CHELATE-UREA FORMALDEHYDE SLOW-RELEASE FERT...
Publication number
20240059625
Publication date
Feb 22, 2024
NORTH UNIVERSITY OF CHINA
Yaqing LIU
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
HIGH WEAR-RESISTANT GRAPHENE-MODIFIED NATURAL RUBBER AND PREPARATIO...
Publication number
20240002556
Publication date
Jan 4, 2024
NORTH UNIVERSITY OF CHINA
Yaqing LIU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DOUBLE-PARAMETER IN-SITU SENSOR BASED ON WAVEGUIDE GRATING, A SENSI...
Publication number
20240003715
Publication date
Jan 4, 2024
NORTH UNIVERSITY OF CHINA
Jiandong Bai
G02 - OPTICS
Information
Patent Application
METHOD FOR MEASURING SURFACE TEMPERATURES OF TURBINE BLADE
Publication number
20230392509
Publication date
Dec 7, 2023
NORTH UNIVERSITY OF CHINA
Helei DONG
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
METHOD FOR PREPARING LARGE-SIZE RARE EARTH MAGNESIUM ALLOY HIGH-PER...
Publication number
20230321710
Publication date
Oct 12, 2023
NORTH UNIVERSITY OF CHINA
Zhimin Zhang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
EFFICIENT AND COST-EFFECTIVE METHOD FOR PREPARING ULTRA-FINE POWDER...
Publication number
20230321620
Publication date
Oct 12, 2023
NORTH UNIVERSITY OF CHINA
Yaqing LIU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HIGH-PRECISION AND HIGH-EFFICIENCY INJECTION MOLD FOR HIGH-ASPECT-R...
Publication number
20230173723
Publication date
Jun 8, 2023
NORTH UNIVERSITY OF CHINA
Yaqing LIU
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
System and Method of Measuring the Frequency of a Radio Frequency S...
Publication number
20230160937
Publication date
May 25, 2023
NORTH UNIVERSITY OF CHINA
Jun LIU
G01 - MEASURING TESTING
Information
Patent Application
AUTOMATIC IDENTIFICATION HYDROGEN REFUELING SYSTEM AND METHOD
Publication number
20230150811
Publication date
May 18, 2023
NORTH UNIVERSITY OF CHINA
Qiang LI
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information
Patent Application
SURFACE-ACOUSTIC-WAVE TEMPERATURE AND PRESSURE SENSING DEVICE AND M...
Publication number
20230146607
Publication date
May 11, 2023
NORTH UNIVERSITY OF CHINA
Qiulin TAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SURFACE ACOUSTIC WAVE TEMPERATURE SENSOR AND MANUFACTURING METHOD T...
Publication number
20230126060
Publication date
Apr 27, 2023
NORTH UNIVERSITY OF CHINA
Qiulin TAN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
BIODEGRADABLE UREA-FORMALDEHYDE-BASED SAND-FIXING POLYMER MATERIAL...
Publication number
20230123541
Publication date
Apr 20, 2023
NORTH UNIVERSITY OF CHINA
Yaqing LIU
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
DEMODULATION SYSTEM AND DEMODULATION METHOD OF FIBER-OPTIC SENSOR F...
Publication number
20230062957
Publication date
Mar 2, 2023
NORTH UNIVERSITY OF CHINA
Pinggang Jia
G01 - MEASURING TESTING
Information
Patent Application
EQUIPMENT AND METHOD FOR CONTINUOUSLY PREPARING GRAPHENE POWDER DIR...
Publication number
20230040074
Publication date
Feb 9, 2023
NORTH UNIVERSITY OF CHINA
Yaqing LIU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FIBER-OPTIC FABRY-PEROT PRESSURE SENSOR AND BATCH PREPARATION METHO...
Publication number
20230009271
Publication date
Jan 12, 2023
NORTH UNIVERSITY OF CHINA
Pinggang Jia
G01 - MEASURING TESTING
Information
Patent Application
VULCANIZING AGENT-MODIFIED GRAPHENE PREPARED THROUGH AN IN-SITU CHE...
Publication number
20220403133
Publication date
Dec 22, 2022
NORTH UNIVERSITY OF CHINA
Yaqing LIU
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR CONVERTING BIODEGRADABLE POLYMERS INTO HUMUS WITH A LOW...
Publication number
20220388923
Publication date
Dec 8, 2022
NORTH UNIVERSITY OF CHINA
Yaqing Liu
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
Ion Thruster and Method for Fabrication Thereof
Publication number
20220341404
Publication date
Oct 27, 2022
North University of China
QIULIN Tan
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Application
DEVICE AND METHOD FOR INDUSTRIALIZED CONTINUOUS AND SIMPLIFIED PREP...
Publication number
20220315499
Publication date
Oct 6, 2022
NORTH UNIVERSITY OF CHINA
Guizhe ZHAO
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
HEAT-SOUND-VIBRATION THREE-PARAMETER INTEGRATED IN-SITU SENSOR AND...
Publication number
20220299359
Publication date
Sep 22, 2022
NORTH UNIVERSITY OF CHINA
Yongqiu ZHENG
G01 - MEASURING TESTING
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