Inventor · disambiguated record
Yongwang Liu
Also filed as: LIU YONGWANG
13 granted patents·2 pending applications·9 citations·filing 2012–2022
83Inventor score
Files withUNIV CHINA PETROLEUM EAST CHINA8HUAWEI TECH CO LTD3UNIV CHINA PETROLEUM2CHINA ARCHITECTURE DESIGN & RESEARCH GROUP CO LTD1GUAN ZHICHUAN1
Top patents by PatentIndex Score
15 records- 0176US10233695B2Weight-on-bit self-adjusting drill bitUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Granted Mar 19, 2019·4 cites·16 claims
- 0264US10496591B2Converting a mode controlling differential signal in a drive circuit and a driving methodHUAWEI TECH CO LTD·Filed 2017·Granted Dec 3, 2019·2 cites·20 claims
- 0363US12281466B2Indoor grey water purification and reuse device, system and method for public buildingsCHINA ARCHITECTURE DESIGN & RESEARCH GROUP CO LTD·Filed 2020·Granted Apr 22, 2025·1 cites·11 claims
- 0462US10718176B2Drilling speed improvement device capable of producing both hydraulic pulse and impact vibrationUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Jul 21, 2020·1 cites·3 claims
- 0550US9654115B2Phase-locked loop circuit, data recovery circuit, and control method for phase-locked loop circuitHUAWEI TECH CO LTD·Filed 2016·Granted May 16, 2017·1 cites·18 claims
- 0644US11255127B2Drill bit with joint function of induced unloading and abrasive jet and drilling method thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Feb 22, 2022·0 cites·1 claims
- 0741US11591896B2Efficient and intelligent steering drilling system and drilling methodUNIV CHINA PETROLEUM EAST CHINA·Filed 2021·Granted Feb 28, 2023·0 cites·7 claims
- 0837US10815743B2Depressuriz od for downhole annulus drilling fluidUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Oct 27, 2020·0 cites·15 claims
- 0935US11976554B2Bottom-hole impact-rotation stepping combined unloading rock-breaking efficient drilling system and method thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2021·Granted May 7, 2024·0 cites·8 claims
- 1035US2022170361A1Risk assessment-based design method for deep complex formation wellbore structureUNIV CHINA PETROLEUM·Filed 2022·Application pending·0 cites
- 1132US11750198B2RC oscillatorHUAWEI TECH CO LTD·Filed 2021·Granted Sep 5, 2023·0 cites·10 claims
- 1230US10927607B2Drilling speed increasing device driven by downhole motor for generating shock vibrationUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Feb 23, 2021·0 cites·1 claims
- 1330US2021011194A1Risk assessment-based design method for deep complex formation wellbore structureUNIV CHINA PETROLEUM·Filed 2020·Application pending·0 cites
- 1429US10801282B2Screw drill bypass valve with large displacement diversion functionUNIV CHINA PETROLEUM EAST CHINA·Filed 2018·Granted Oct 13, 2020·0 cites·2 claims
- 1526US9540881B2Method and system for improving drilling speed by using drill speed vibrationGUAN ZHICHUAN·Filed 2012·Granted Jan 10, 2017·0 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →