Systems and methods for analysis of drilling fluid
US-12590539-B2 · Mar 31, 2026 · US
This page is not indexed by search engines while we improve data quality.
Feng Ling patents
Feng Ling is listed as an inventor on 5 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Feng Ling |
| Total patents | 5 |
| First publication | Jan 26, 2017 |
| Latest publication | Mar 31, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Real-time analysis of production chemicals at wellsites
US-2025146411-A1 · May 8, 2025 · US
Capillary electrophoresis analysis of lithium in brine
US-2025092489-A1 · Mar 20, 2025 · US
Systems and methods for analysis of drilling fluid
US-2023287789-A1 · Sep 14, 2023 · US
Adaptive steering adjustment for needle visualization
US-2017020559-A1 · Jan 26, 2017 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Schlumberger Technology Corp | 4 |
| Edan Instruments Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B49/088 | 3 |
| E21B49/005 | 2 |
| E21B2200/22 | 2 |
| E21B2200/20 | 2 |
| E21B21/01 | 2 |