Inventor · disambiguated record
Kaishen Liu
Also filed as: LIU KAISHEN
19 granted patents·6 pending applications·152 citations·filing 2021–2025
91Inventor score
Top patents by PatentIndex Score
25 records- 0198US11677238B2Electric power supply method and electric power supply systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2022·Granted Jun 13, 2023·45 cites·19 claims
- 0298US11596047B2Fracturing well site systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2021·Granted Feb 28, 2023·60 cites·19 claims
- 0397US11662384B2Motor malfunction monitoring device, drive motor system and motor malfunction monitoring methodYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2021·Granted May 30, 2023·43 cites·12 claims
- 0493US11739623B2Fracturing system and control system and method for the fracturing systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2021·Granted Aug 29, 2023·3 cites·19 claims
- 0589US11702920B1Fracturing control method and fracturing systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2022·Granted Jul 18, 2023·1 cites·20 claims
- 0683US12382568B2Fracturing well site systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2023·Granted Aug 5, 2025·0 cites·20 claims
- 0783US2024401438A1Monitoring system and method for wellsite equipmentYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2024·Application pending·0 cites
- 0881US11729893B2Fracturing well site systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2022·Granted Aug 15, 2023·0 cites·20 claims
- 0980US12336081B2Fracturing well site systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2022·Granted Jun 17, 2025·0 cites·19 claims
- 1079US12497880B2Fracturing system and control system and method for the fracturing systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·20 claims
- 1178US2025093418A1Motor malfunction monitoring device, drive motor system and motor malfunction monitoring methodYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2024·Application pending·0 cites
- 1277US11683878B2Fracturing well site systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2022·Granted Jun 20, 2023·0 cites·15 claims
- 1374US12259434B2Motor malfunction monitoring device, drive motor system and motor malfunction monitoring methodYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2023·Granted Mar 25, 2025·0 cites·18 claims
- 1474US12044114B2Fracturing system and control system and method for the fracturing systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2023·Granted Jul 23, 2024·0 cites·20 claims
- 1572US12084946B2Monitoring system and method for wellsite equipmentYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2021·Granted Sep 10, 2024·0 cites·20 claims
- 1668US2025334111A1Electric drive fracturing device and braking method thereforYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2025·Application pending·0 cites
- 1767US2024060600A1Oil circulation systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2023·Application pending·0 cites
- 1862US2024313546A1Power supply system for electrically driven wellsite facilityYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2024·Application pending·0 cites
- 1961US12442370B2Fracturing equipment having multiple electric-power suppliesYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2023·Granted Oct 14, 2025·0 cites·18 claims
- 2061US12163510B2Control method and control device applied to electric fracturing apparatusYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2021·Granted Dec 10, 2024·0 cites·14 claims
- 2161US11867594B2Evaluation method and evaluation device of health state of well site equipment, and storage mediumYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2022·Granted Jan 9, 2024·0 cites·17 claims
- 2259US12021389B2Power supply system for electrically driven wellsite facilityYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2022·Granted Jun 25, 2024·0 cites·16 claims
- 2355US2024226832A9Full-Electric Drive Cementing Control SystemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2022·Application pending·0 cites
- 2454US12187545B2Sand conveying apparatus and control method thereof, control device, and storage mediumYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2021·Granted Jan 7, 2025·0 cites·19 claims
- 2553US12338085B2Sand storage and conveying apparatusYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2021·Granted Jun 24, 2025·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →