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Full-Electric Drive Cementing Control System
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Publication number 20240131486
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Publication date Apr 25, 2024
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Pengyuan ZHANG
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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FRACTURING APPARATUS
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Publication number 20230332583
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Publication date Oct 19, 2023
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Sheng CHANG
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E21 - EARTH DRILLING MINING
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ELECTRICALLY DRIVEN FRACTURING SYSTEM
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Publication number 20230332493
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Publication date Oct 19, 2023
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Jifeng ZHONG
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E21 - EARTH DRILLING MINING
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FRACTURING SYSTEM
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Publication number 20230323761
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Publication date Oct 12, 2023
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Jifeng ZHONG
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E21 - EARTH DRILLING MINING
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Cable Laying Device
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Publication number 20230163580
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Publication date May 25, 2023
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Xiaolei JI
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E21 - EARTH DRILLING MINING
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FRACTURING EQUIPMENT
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Publication number 20230124444
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Publication date Apr 20, 2023
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YANTAI JEREH PERTOLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Sheng CHANG
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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ELECTRICALLY DRIVEN FRACTURING SYSTEM
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Publication number 20230092506
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Publication date Mar 23, 2023
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Jifeng ZHONG
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E21 - EARTH DRILLING MINING
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FRACTURING SYSTEM
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Publication number 20220389804
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Publication date Dec 8, 2022
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Shuzhen CUI
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E21 - EARTH DRILLING MINING
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FRACTURING APPARATUS
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Publication number 20220364453
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Publication date Nov 17, 2022
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Sheng CHANG
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G08 - SIGNALLING
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FRACTURING SYSTEM
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Publication number 20220282606
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Publication date Sep 8, 2022
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Jifeng ZHONG
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E21 - EARTH DRILLING MINING
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CABLE LAYING DEVICE
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Publication number 20220224087
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Publication date Jul 14, 2022
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Xiaolei JI
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E21 - EARTH DRILLING MINING
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FRACTURING EQUIPMENT
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Publication number 20220186724
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Publication date Jun 16, 2022
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Sheng CHANG
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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CABLE LAYING DEVICE
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Publication number 20220181859
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Publication date Jun 9, 2022
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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
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Xiaolei JI
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E21 - EARTH DRILLING MINING