Ping LIU

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Xiangtan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Micro core-drilling testing system for high-pressure environment
- Patent number 12,181,382
- Issue date Dec 31, 2024
- Hunan University of Science and Technology
- Yongping Jin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Suction sampler system for in situ collection of deep-sea floor org...
- Patent number 11,812,732
- Issue date Nov 14, 2023
- Hunan University of Science and Technology
- Yongping Jin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Sensorless control method and apparatus for a three-phase switched...
- Patent number 11,264,933
- Issue date Mar 1, 2022
- Hunan University of Science and Technology
- Xiaoping Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Modeling method of stator winding air gap for temperature field ana...
- Patent number 11,196,374
- Issue date Dec 7, 2021
- Hunan University of Science and Technology
- Xiaoping Zhang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
FULL-SEA DEPTH MULTI-POINT IN-SITU SAMPLER, AND SAMPLING AND TRANSF...
- Publication number 20230273097
- Publication date Aug 31, 2023
- HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Yongping JIN
- G01 - MEASURING TESTING
Information Patent Application
MICRO CORE-DRILLING TESTING SYSTEM FOR HIGH-PRESSURE ENVIRONMENT
- Publication number 20230003619
- Publication date Jan 5, 2023
- HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Yongping JIN
- G01 - MEASURING TESTING
Information Patent Application
SUCTION SAMPLER SYSTEM FOR IN SITU COLLECTION OF DEEP-SEA FLOOR ORG...
- Publication number 20210219528
- Publication date Jul 22, 2021
- HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Yongping JIN
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
SENSORLESS CONTROL METHOD AND APPARATUS FOR A THREE-PHASE SWITCHED...
- Publication number 20210159835
- Publication date May 27, 2021
- HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Xiaoping ZHANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MODELING METHOD OF STATOR WINDING AIR GAP FOR TEMPERATURE FIELD ANA...
- Publication number 20210013820
- Publication date Jan 14, 2021
- HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Xiaoping ZHANG
- G06 - COMPUTING CALCULATING COUNTING