Liner/casing buoyancy arrangement, method and system
US-12055000-B2 · Aug 6, 2024 · US
Xu Zhiyue holds 234 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 234 |
| Recent patents | 6 |
| First publication | Feb 10, 2015 |
| Latest publication | Aug 6, 2024 |
Year-over-year patent counts for this assignee.
Latest publications where this party is an assignee.
US-12055000-B2 · Aug 6, 2024 · US
US-11787991-B1 · Oct 17, 2023 · US
US-2023323186-A1 · Oct 12, 2023 · US
US-11692418-B2 · Jul 4, 2023 · US
US-2023203894-A1 · Jun 29, 2023 · US
Representative or frequently cited publications from precomputed assignee stats.
US-12055000-B2 · Aug 6, 2024 · US
US-11787991-B1 · Oct 17, 2023 · US
US-2023323186-A1 · Oct 12, 2023 · US
US-11692418-B2 · Jul 4, 2023 · US
US-2023203894-A1 · Jun 29, 2023 · US
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| E21B33/1208 | 49 |
| E21B33/12 | 43 |
| E21B2200/08 | 40 |
| B22F1/17 | 30 |
| E21B29/02 | 30 |
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Fixed Constructions | 161 |
| Chemistry & Metallurgy | 124 |
| Operations & Transport | 108 |
| Cross-Sectional Technologies | 45 |
| Mechanical Engineering | 28 |
| Physics | 10 |
| Electricity | 7 |
| Human Necessities | 3 |
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Answers are generated from the same data shown on this page.