High-strength Portland cement slurry for ultra-high temperature cementing, preparation method therefor and application thereof
US-12497331-B2 · Dec 16, 2025 · US
Guo Yuchao is listed as an inventor on 10 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Guo Yuchao |
| Total patents | 10 |
| First publication | Aug 8, 2019 |
| Latest publication | Dec 16, 2025 |
Publications ranked by popularity score, then publication date.
US-12497331-B2 · Dec 16, 2025 · US
US-12391861-B2 · Aug 19, 2025 · US
US-12305116-B2 · May 20, 2025 · US
US-2024336828-A1 · Oct 10, 2024 · US
US-2024228858-A1 · Jul 11, 2024 · US
US-11926787-B2 · Mar 12, 2024 · US
US-2023278927-A1 · Sep 7, 2023 · US
US-11618844-B2 · Apr 4, 2023 · US
US-2020399525-A1 · Dec 24, 2020 · US
US-2019241792-A1 · Aug 8, 2019 · US
Latest publications not already listed above.
No data yet.
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Cnpc Eng Tech Res & Dev Co Ltd | 10 |
| China Nat Petroleum Corp | 8 |
| Beijing Huamei Inc Cnpc | 2 |
| Petrochina Co Ltd | 2 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/487 | 10 |
| C09K8/467 | 10 |
| C04B28/04 | 8 |
| C04B2201/20 | 6 |
| C04B2201/50 | 6 |