Inventor
LIU KAISHEN
CN19 patents
Patents
19 patentsUS11596047B2Feb 28, 2023
Fracturing well site system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD60 citations97
US11662384B2May 30, 2023
Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD43 citations94
US11677238B2Jun 13, 2023
Electric power supply method and electric power supply system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD45 citations92
US11739623B2Aug 29, 2023
Fracturing system and control system and method for the fracturing system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD3 citations72
US12497880B2Dec 16, 2025
Fracturing system and control system and method for the fracturing system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations62
US12382568B2Aug 5, 2025
Fracturing well site system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations62
US12336081B2Jun 17, 2025
Fracturing well site system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations62
US12259434B2Mar 25, 2025
Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations62
US12163510B2Dec 10, 2024
Control method and control device applied to electric fracturing apparatus
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations62
US12044114B2Jul 23, 2024
Fracturing system and control system and method for the fracturing system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations62
US11729893B2Aug 15, 2023
Fracturing well site system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations62
US11702920B1Jul 18, 2023
Fracturing control method and fracturing system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD1 citations62
US11683878B2Jun 20, 2023
Fracturing well site system
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations62
US12442370B2Oct 14, 2025
Fracturing equipment having multiple electric-power supplies
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations52
US12021389B2Jun 25, 2024
Power supply system for electrically driven wellsite facility
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations52
US12187545B2Jan 7, 2025
Sand conveying apparatus and control method thereof, control device, and storage medium
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations51
US12084946B2Sep 10, 2024
Monitoring system and method for wellsite equipment
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations51
US12338085B2Jun 24, 2025
Sand storage and conveying apparatus
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations50
US11867594B2Jan 9, 2024
Evaluation method and evaluation device of health state of well site equipment, and storage medium
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD0 citations50