Inventor · disambiguated record
Chang Lu
Also filed as: LU CHANG · LU CHANG-HSIOU
12 granted patents·2 citations·filing 2018–2025
80Inventor score
Files withUNIV CHINA PETROLEUM EAST CHINA6UNIV CHINA MINING3HANPIN ELECTRON CO LTD2UNIV QINGDAO TECHNOLOGY1
Top patents by PatentIndex Score
12 records- 0185US12071587B1Anti-corrosion and low-heat-conduction annulus protection fluid for deep-sea oil and gas exploitation and preparation method thereofUNIV QINGDAO TECHNOLOGY·Filed 2024·Granted Aug 27, 2024·1 cites·2 claims
- 0268US11719658B2Method of cement for well cementing in penetrated hydrate layerUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Aug 8, 2023·0 cites·8 claims
- 0366US11820936B2Scour-resistant interface enhancer used for well cementing of coalbed methane wells, preparation method, and applicationUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Nov 21, 2023·0 cites·3 claims
- 0460US11866367B2Oil well cement composite permeation enhancement agent suitable for hydrate layer and preparation methodUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Granted Jan 9, 2024·0 cites·7 claims
- 0559US11391151B2Automatic coal mining machine and fluidized coal mining methodUNIV CHINA MINING·Filed 2018·Granted Jul 19, 2022·1 cites·9 claims
- 0658US11567018B2Cement performance evaluation device and cement design method for cementing in penetrated hydrate depositUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Jan 31, 2023·0 cites·7 claims
- 0754US10731962B1Transparent constraint apparatus for normal deformation of planar modelUNIV CHINA MINING·Filed 2019·Granted Aug 4, 2020·0 cites·11 claims
- 0850US12322418B1Vinyl record player automatic stop and lift tonearm structureHANPIN ELECTRON CO LTD·Filed 2024·Granted Jun 3, 2025·0 cites·7 claims
- 0947US12378462B1Sealing gel with delayed gelation for well cementation, preparation method, and applicationUNIV CHINA PETROLEUM EAST CHINA·Filed 2025·Granted Aug 5, 2025·0 cites·4 claims
- 1045US11594245B1Bifunctional turntableHANPIN ELECTRON CO LTD·Filed 2021·Granted Feb 28, 2023·0 cites·6 claims
- 1139US11905812B2Intra-layer reinforcement method, and consolidation and reconstruction simulation experiment system and evaluation method for gas hydrate formationUNIV CHINA PETROLEUM EAST CHINA·Filed 2022·Granted Feb 20, 2024·0 cites·13 claims
- 1239US10975694B2Mine field layout method suitable for fluidized mining of coal resourcesUNIV CHINA MINING·Filed 2018·Granted Apr 13, 2021·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →