Fluid rheology measurement using a funnel apparatus
US-9891152-B2 · Feb 13, 2018 · US
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Guo Quanxin patents
Guo Quanxin holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 0 |
| First publication | Aug 1, 2017 |
| Latest publication | Feb 13, 2018 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Method and apparatus for drilling a probabilistic approach
US-9863240-B2 · Jan 9, 2018 · US
Method of minimizing wellbore instability
US-9719332-B2 · Aug 1, 2017 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Fluid rheology measurement using a funnel apparatus
US-9891152-B2 · Feb 13, 2018 · US
Method and apparatus for drilling a probabilistic approach
US-9863240-B2 · Jan 9, 2018 · US
Method of minimizing wellbore instability
US-9719332-B2 · Aug 1, 2017 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| E21B44/00 | 2 |
| E21B43/00 | 1 |
| G01N11/06 | 1 |
| E21B21/01 | 1 |
| E21B49/006 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Fixed Constructions | 3 |
| Physics | 2 |
| Chemistry & Metallurgy | 1 |