| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Russian Federation | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mashkov Viktor Alekseevich | 11 |
| #2 | Bodnarchuk Aleksej Vladimirovich | 11 |
| #3 | Grab Aleksej Nikolaevich | 6 |
| #4 | Grab Dmitrij Nikolaevich | 6 |
| #5 | Ponyatov Aleksej Sergeevich | 2 |
| #6 | Beznosikov Aleksej Anatolevich | 1 |
| #7 | Yasashin Vitalij Anatolevich | 1 |
| #8 | Glukhov Aleksandr Yurevich | 1 |
| #9 | Grishin Dmitrij Valerevich | 1 |
| #10 | Moroz Ilya Valerievich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| RU2696039C1 | Cementing device for wells | |
| RU2685800C1 | Ball valve | |
| RU2679153C1 | Cutoff valve | |
| RU2669816C1 | Scraper for cleaning drill pipes | |
| RU2656062C1 | Hydraulic punch | |
| RU2645397C1 | Hydraulic pump filter | |
| RU2642580C1 | Drill string filter | |
| RU2638679C1 | Drill string filter | |
| RU2612771C1 | Return valve for casing strings | |
| RU2612166C1 | Expander | |
| RU2612167C1 | Valve for casing strings |