| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 7 | |
| #2 | United States | 6 | |
| #3 | Canada | 4 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | United Kingdom | 2 | |
| #6 | Brazil | 1 | |
| #7 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Geophysics | |
| #3 | Measuring length, angles and areas | |
| #4 | Analysing materials | |
| #5 | Special measuring | |
| #6 | Measuring volume |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zhang Jun | 7 |
| #2 | Church Nathan | 4 |
| #3 | Beckman Marvin | 3 |
| #4 | Zheng Yibing | 3 |
| #5 | Minette Daniel Carl | 2 |
| #6 | Lloyd Mark | 2 |
| #7 | Phelps Phillip R | 2 |
| #8 | Smith Harry D Jr | 2 |
| #9 | Wallace Frank | 2 |
| #10 | Siu Kee | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2020264014A1 | Novel core-position sensor | |
| US2020263532A1 | Novel caliper-arm retention system | |
| US2020408583A1 | Novel foam-level-detection technology | |
| US2020386099A1 | Novel production-logging sensor | |
| US2019376380A1 | Methods and apparatus for cement bond evaluation through production tubing | |
| US2016298396A1 | Constant force centralizer | |
| CA2808593A1 | Well-logging tool for determining properties in a flowstream |