Cement slurry system, preparation method therefor and use thereof
US-12391861-B2 · Aug 19, 2025 · US
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Guo Jianhua patents
Guo Jianhua is listed as an inventor on 18 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Guo Jianhua |
| Total patents | 18 |
| First publication | Oct 15, 2015 |
| Latest publication | Aug 19, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Wear-resistant and collision-resistant polycrystalline diamond compact (PDC) drill bit with rostriform teeth and plurality of blades
US-12196042-B1 · Jan 14, 2025 · US
Novel Wear-Resistant and Collision-Resistant Polycrystalline Diamond Compact (PDC) Drill Bit With Rostriform Teeth and Plurality of Blades
US-2025003294-A1 · Jan 2, 2025 · US
Cement slurry system, preparation method therefor and use thereof
US-2024228858-A1 · Jul 11, 2024 · US
Human Body Composition Measurement Method and Apparatus
US-2024008760-A1 · Jan 11, 2024 · US
Cutting elements with increased curvature cutting edges
US-11591858-B2 · Feb 28, 2023 · US
Cutting element with reduced friction
US-11401749-B2 · Aug 2, 2022 · US
Method for controlling temperature of terminal, and terminal
US-11316971-B2 · Apr 26, 2022 · US
Expansion tool assembly for expandable tubular
US-11293254-B2 · Apr 5, 2022 · US
Expansion tool assembly for expandable tubular
US-2021396092-A1 · Dec 23, 2021 · US
Recent patents
Latest publications not already listed above.
Cutting Elements with Increased Curvature Cutting Edges
US-2021180410-A1 · Jun 17, 2021 · US
Cutting element with reduced friction
US-2021002961-A1 · Jan 7, 2021 · US
Method for Controlling Temperature of Terminal, and Terminal
US-2019327359-A1 · Oct 24, 2019 · US
Message push method and apparatus
US-10009303-B2 · Jun 26, 2018 · US
Traffic distribution method, device, and system
US-9807642-B2 · Oct 31, 2017 · US
Device and method for optimizing web page
US-2017103140-A1 · Apr 13, 2017 · US
Message Push Method and Apparatus
US-2016337290-A1 · Nov 17, 2016 · US
Traffic distribution method, device, and system
US-2015296406-A1 · Oct 15, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Huawei Tech Co Ltd | 8 |
| China Nat Petroleum Corp | 5 |
| Cnpc Eng Tech Res & Dev Co Ltd | 4 |
| Cnpc Usa Corp | 4 |
| Beijing Huamei Inc | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B10/54 | 4 |
| E21B10/5673 | 4 |
| E21B10/43 | 4 |
| E21B10/42 | 4 |
| E21B10/55 | 4 |