Liu Chunhai

Person

Qinhuangdao, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Vehicle wheel
- Patent number D1043504
- Issue date Sep 24, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Vehicle wheel
- Patent number D1043506
- Issue date Sep 24, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Vehicle wheel
- Patent number D1043505
- Issue date Sep 24, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Vehicle wheel
- Patent number D1032450
- Issue date Jun 25, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Vehicle wheel
- Patent number D1032449
- Issue date Jun 25, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Vehicle wheel
- Patent number D1031580
- Issue date Jun 18, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Vehicle wheel
- Patent number D1031581
- Issue date Jun 18, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Vehicle wheel
- Patent number D1031579
- Issue date Jun 18, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Vehicle wheel
- Patent number D1027789
- Issue date May 21, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Vehicle wheel
- Patent number D1027787
- Issue date May 21, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Vehicle wheel
- Patent number D1027788
- Issue date May 21, 2024
- CITIC Dicastal CO., LTD.
- Jing Guo
- D12 - Transportation
Information Patent Grant
Fatigue test equipment for automobile chassis simulation road test
- Patent number 11,662,276
- Issue date May 30, 2023
- CITIC Dicastal CO., LTD.
- Zuo Xu
- G01 - MEASURING TESTING
Information Patent Grant
Plastic wrought magnesium alloy and preparation method thereof
- Patent number 11,326,241
- Issue date May 10, 2022
- CITIC Dicastal CO., LTD.
- Lixin Huang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Thermal treatment and shot peening method for wheel
- Patent number 11,207,760
- Issue date Dec 28, 2021
- CITIC Dicastal CO., LTD.
- Tieqiang Chen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Automatic hub type identifying device
- Patent number 11,097,561
- Issue date Aug 24, 2021
- CITIC Dicastal CO., LTD.
- Zuo Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnesium alloy and preparation method thereof
- Patent number 11,041,230
- Issue date Jun 22, 2021
- CITIC Dicastal CO., LTD.
- Zuo Xu
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Automatic constant pressure device for hub tire system
- Patent number 10,953,705
- Issue date Mar 23, 2021
- CITIC Dicastal CO., LTD.
- Jinqi Lyu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of refining aluminum alloy
- Patent number 10,494,699
- Issue date Dec 3, 2019
- CITIC Dicastal CO., LTD.
- Lisheng Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Device for removing valve hole sealing substitute from hub
- Patent number 10,466,133
- Issue date Nov 5, 2019
- CITIC Dicastal CO., LTD.
- Jinqi Lyu
- G01 - MEASURING TESTING
Information Patent Grant
Device for detecting balance of hub valve hole
- Patent number 10,429,264
- Issue date Oct 1, 2019
- CITIC Dicastal CO., LTD.
- Guogang Chen
- G01 - MEASURING TESTING
Information Patent Grant
Method for simulating real impact test of vehicle wheels
- Patent number 10,386,270
- Issue date Aug 20, 2019
- CITIC Dicastal CO., LTD.
- Chunhai Liu
- G01 - MEASURING TESTING
Information Patent Grant
Device and method for measuring air tightness of aluminum alloy hub...
- Patent number 10,234,352
- Issue date Mar 19, 2019
- CITIC Dicastal CO., LTD.
- Chunhai Liu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air tightness detection device for aluminum alloy wheel hub and met...
- Patent number 9,863,838
- Issue date Jan 9, 2018
- CITIC Dicastal CO., LTD.
- Chunhai Liu
- G01 - MEASURING TESTING
Information Patent Grant
Drum for simulating road surfaces
- Patent number 9,709,464
- Issue date Jul 18, 2017
- CITIC Dicastal CO., LTD.
- Chunhai Liu
- G01 - MEASURING TESTING
Information Patent Grant
Process of preparing aluminum alloy
- Patent number 9,677,157
- Issue date Jun 13, 2017
- CITIC DICASTAL Co., LTD
- Lisheng Wang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus for detecting spring stiffness
- Patent number 9,470,613
- Issue date Oct 18, 2016
- Citic Dicastal Co. Ltd
- Lyu Jinqi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
FATIGUE TEST EQUIPMENT FOR AUTOMOBILE CHASSIS SIMULATION ROAD TEST
- Publication number 20220316993
- Publication date Oct 6, 2022
- CITIC DICASTAL CO., LTD
- Zuo Xu
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR PREPARATION OF ALUMINUM MATRIX COMPOSITE
- Publication number 20220033934
- Publication date Feb 3, 2022
- CITIC DICASTAL CO., LTD
- Yongfei Li
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SPRUE SPREADER SURFACE TREATMENT METHOD
- Publication number 20200406343
- Publication date Dec 31, 2020
- CITIC DICASTAL CO., LTD
- Xin LIU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
MAGNESIUM ALLOY AND PREPARATION METHOD THEREOF
- Publication number 20200399741
- Publication date Dec 24, 2020
- CITIC DICASTAL CO., LTD
- Chunhai Liu
- B22 - CASTING POWDER METALLURGY
Information Patent Application
THERMAL TREATMENT AND SHOT PEENING METHOD FOR WHEEL
- Publication number 20200298372
- Publication date Sep 24, 2020
- CITIC DICASTAL CO., LTD
- Tieqiang CHEN
- B60 - VEHICLES IN GENERAL
Information Patent Application
PLASTIC WROUGHT MAGNESIUM ALLOY AND PREPARATION METHOD THEREOF
- Publication number 20200149143
- Publication date May 14, 2020
- CITIC DICASTAL CO., LTD
- Lixin HUANG
- B22 - CASTING POWDER METALLURGY
Information Patent Application
DEVICE FOR REMOVING VALVE HOLE SEALING SUBSTITUTE FROM HUB
- Publication number 20190316984
- Publication date Oct 17, 2019
- CITIC DICASTAL CO., LTD
- Jinqi Lyu
- G01 - MEASURING TESTING
Information Patent Application
DEVICE FOR DETECTING BALANCE OF HUB VALVE HOLE
- Publication number 20190301964
- Publication date Oct 3, 2019
- CITIC DICASTAL CO., LTD
- Guogang Chen
- G01 - MEASURING TESTING
Information Patent Application
AUTOMATIC HUB TYPE IDENTIFYING DEVICE
- Publication number 20190291480
- Publication date Sep 26, 2019
- CITIC DICASTAL CO., LTD
- Jinqi LV
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
AUTOMATIC CONSTANT PRESSURE DEVICE FOR HUB TIRE SYSTEM
- Publication number 20190257600
- Publication date Aug 22, 2019
- CITIC DICASTAL CO., LTD
- Jinqi LYU
- B60 - VEHICLES IN GENERAL
Information Patent Application
Method for simulating real impact test of vehicle wheels
- Publication number 20170219459
- Publication date Aug 3, 2017
- CITIC DICASTAL CO., LTD
- Chunhai Liu
- G01 - MEASURING TESTING
Information Patent Application
Device and Method for Measuring Air Tightness of Aluminum Alloy Hub...
- Publication number 20160368332
- Publication date Dec 22, 2016
- CITIC DICASTAL CO., LTD
- Chunhai Liu
- B60 - VEHICLES IN GENERAL
Information Patent Application
Aluminum Alloy Refiner Material and Preparation Method Thereof
- Publication number 20160298217
- Publication date Oct 13, 2016
- CITIC DICASTAL CO., LTD
- Lisheng Wang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF REFINING ALUMINUM ALLOY
- Publication number 20160273076
- Publication date Sep 22, 2016
- CITIC DICASTAL CO., LTD
- Lisheng WANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALUMINIUM ALLOY REFINER AND PREPARATION METHOD AND APPLICATION THEREOF
- Publication number 20160273075
- Publication date Sep 22, 2016
- CITIC DICASTAL CO., LTD
- Yongning WANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
DRUM FOR SIMULATING ROAD SURFACES
- Publication number 20160231200
- Publication date Aug 11, 2016
- CITIC DICASTAL CO., LTD
- Chunhai LIU
- G01 - MEASURING TESTING
Information Patent Application
AIR TIGHTNESS DETECTION DEVICE FOR ALUMINUM ALLOY WHEEL HUB AND MET...
- Publication number 20160223425
- Publication date Aug 4, 2016
- CITIC DICASTAL CO., LTD
- Chunhai LIU
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS FOR DETECTING SPRING STIFFNESS
- Publication number 20150260623
- Publication date Sep 17, 2015
- CITIC DICASTAL CO., LTD
- Lyu Jinqi
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR IMPROVING MECHANICAL PROPERTIES OF ALUMINUM ALLOY CASTINGS
- Publication number 20150252460
- Publication date Sep 10, 2015
- CITIC DICASTAL CO., LTD
- Wang Lisheng
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Process of Preparing Aluminum Alloy
- Publication number 20150252450
- Publication date Sep 10, 2015
- CITIC DICASTAL CO., LTD
- Lisheng WANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Liu Chunhai

Person

Patents Grantslast 30 patents

Vehicle wheel

Vehicle wheel

Vehicle wheel

Vehicle wheel

Vehicle wheel

Vehicle wheel

Vehicle wheel

Vehicle wheel

Vehicle wheel

Vehicle wheel

Vehicle wheel

Fatigue test equipment for automobile chassis simulation road test

Plastic wrought magnesium alloy and preparation method thereof

Thermal treatment and shot peening method for wheel

Automatic hub type identifying device

Magnesium alloy and preparation method thereof

Automatic constant pressure device for hub tire system

Method of refining aluminum alloy

Device for removing valve hole sealing substitute from hub

Device for detecting balance of hub valve hole

Method for simulating real impact test of vehicle wheels

Device and method for measuring air tightness of aluminum alloy hub...

Air tightness detection device for aluminum alloy wheel hub and met...

Drum for simulating road surfaces

Process of preparing aluminum alloy

Apparatus for detecting spring stiffness

Patents Applicationslast 30 patents

FATIGUE TEST EQUIPMENT FOR AUTOMOBILE CHASSIS SIMULATION ROAD TEST

METHOD FOR PREPARATION OF ALUMINUM MATRIX COMPOSITE

SPRUE SPREADER SURFACE TREATMENT METHOD

MAGNESIUM ALLOY AND PREPARATION METHOD THEREOF

THERMAL TREATMENT AND SHOT PEENING METHOD FOR WHEEL

PLASTIC WROUGHT MAGNESIUM ALLOY AND PREPARATION METHOD THEREOF

DEVICE FOR REMOVING VALVE HOLE SEALING SUBSTITUTE FROM HUB

DEVICE FOR DETECTING BALANCE OF HUB VALVE HOLE

AUTOMATIC HUB TYPE IDENTIFYING DEVICE

AUTOMATIC CONSTANT PRESSURE DEVICE FOR HUB TIRE SYSTEM

Method for simulating real impact test of vehicle wheels

Device and Method for Measuring Air Tightness of Aluminum Alloy Hub...

Aluminum Alloy Refiner Material and Preparation Method Thereof

METHOD OF REFINING ALUMINUM ALLOY

ALUMINIUM ALLOY REFINER AND PREPARATION METHOD AND APPLICATION THEREOF

DRUM FOR SIMULATING ROAD SURFACES

AIR TIGHTNESS DETECTION DEVICE FOR ALUMINUM ALLOY WHEEL HUB AND MET...

APPARATUS FOR DETECTING SPRING STIFFNESS

METHOD FOR IMPROVING MECHANICAL PROPERTIES OF ALUMINUM ALLOY CASTINGS

Process of Preparing Aluminum Alloy