Weichen Liu

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Yantai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic end assembly structure of a plunger pump
- Patent number 12,152,575
- Issue date Nov 26, 2024
- American Jereh International Corporation
- Baoguo Jian
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Valve spring fixing device and plunger pump
- Patent number 12,085,073
- Issue date Sep 10, 2024
- Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Wenjie Deng
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hydraulic end assembly structure of a plunger pump
- Patent number 11,698,063
- Issue date Jul 11, 2023
- American Jereh International Corporation
- Baoguo Jian
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Valve spring seat sleeve, valve assembly and plunger pump
- Patent number 11,519,405
- Issue date Dec 6, 2022
- Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Wenjie Deng
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC END ASSEMBLY STRUCTURE OF A PLUNGER PUMP
- Publication number 20240035462
- Publication date Feb 1, 2024
- AMERICAN JEREH INTERNATIONAL CORPORATION
- Baoguo Jian
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SPRING FIXING DEVICE AND PLUNGER PUMP
- Publication number 20230017968
- Publication date Jan 19, 2023
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Wenjie DENG
- E21 - EARTH DRILLING MINING
Information Patent Application
VALVE SPRING SEAT SLEEVE, VALVE ASSEMBLY AND PLUNGER PUMP
- Publication number 20220341415
- Publication date Oct 27, 2022
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Wenjie DENG
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
HYDRAULIC END ASSEMBLY STRUCTURE OF A PLUNGER PUMP
- Publication number 20210355927
- Publication date Nov 18, 2021
- AMERICAN JEREH INTERNATIONAL CORPORATION
- Baoguo Jian
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...