Inventor · disambiguated record
Chris Cheng
Also filed as: CHENG CHRIS · CHENG CHRIS X
17 granted patents·3 pending applications·23 citations·filing 2017–2024
89Inventor score
Files withCNPC USA CORP20
Top patents by PatentIndex Score
20 records- 0195US10907416B2Polycrystalline diamond cutter with improved geometry for cooling and cutting evacuation and efficiency and durabilityCNPC USA CORP·Filed 2020·Granted Feb 2, 2021·8 cites·20 claims
- 0291US11499378B2Blade cap force modulation system for a drill bitCNPC USA CORP·Filed 2020·Granted Nov 15, 2022·4 cites·16 claims
- 0390US11365589B2Cutting element with non-planar cutting edgesCNPC USA CORP·Filed 2020·Granted Jun 21, 2022·3 cites·12 claims
- 0489US11591858B2Cutting elements with increased curvature cutting edgesCNPC USA CORP·Filed 2020·Granted Feb 28, 2023·3 cites·14 claims
- 0583US12337428B2Force modulation cartridge system for a drill bitCNPC USA CORP·Filed 2023·Granted Jun 24, 2025·1 cites·20 claims
- 0680US2024425736A1Pdc cutter with unique microstructureCNPC USA CORP·Filed 2024·Application pending·0 cites
- 0778US12104111B2Unique PDC microstructure and the method of making itCNPC USA CORP·Filed 2022·Granted Oct 1, 2024·0 cites·14 claims
- 0878US11499377B2Force modulation system for a drill bitCNPC USA CORP·Filed 2020·Granted Nov 15, 2022·1 cites·14 claims
- 0974US10830020B2Tool assembly with a fluidic agitator and a coatingCNPC USA CORP·Filed 2019·Granted Nov 10, 2020·2 cites·20 claims
- 1069US12011773B2Cutting elements with reduced variable back rake angleCNPC USA CORP·Filed 2021·Granted Jun 18, 2024·0 cites·9 claims
- 1168US2024093556A1Cutting Elements with Ridged and Inclined Cutting FaceCNPC USA CORP·Filed 2023·Application pending·0 cites
- 1265US11808090B2Force modulation system for a drill bitCNPC USA CORP·Filed 2022·Granted Nov 7, 2023·0 cites·12 claims
- 1363US11879296B2Blade cap force modulation system for a drill bitCNPC USA CORP·Filed 2022·Granted Jan 23, 2024·0 cites·9 claims
- 1463US10450819B2Tool assembly with a fluidic agitatorCNPC USA CORP·Filed 2017·Granted Oct 22, 2019·1 cites·16 claims
- 1558US2022003046A1Cutting Elements with Ridged and Inclined Cutting FaceCNPC USA CORP·Filed 2021·Application pending·0 cites
- 1653US10753167B2Tool assembly with a fluidic agitatorCNPC USA CORP·Filed 2019·Granted Aug 25, 2020·0 cites·15 claims
- 1752US12218610B1Sensor system with an interior sensor and a piezoelectric power supplyCNPC USA CORP·Filed 2023·Granted Feb 4, 2025·0 cites·20 claims
- 1851US11661799B2Shaped cutter with alignment structure for drill bit and assembly method thereofCNPC USA CORP·Filed 2020·Granted May 30, 2023·0 cites·17 claims
- 1950US12435585B1Hydraulic control apparatus and method for a downhole toolCNPC USA CORP·Filed 2024·Granted Oct 7, 2025·0 cites·20 claims
- 2044US11702891B2Force modulation system with an elastic force member for downhole conditionsCNPC USA CORP·Filed 2021·Granted Jul 18, 2023·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →