| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Russian Federation | 23 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Measurement | |
| #4 | Control | |
| #5 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Servomotors | |
| #3 | Venting or aerating devices | |
| #4 | Safety devices | |
| #5 | Alarm systems | |
| #6 | Mining | |
| #7 | Measuring distances | |
| #8 | Measuring length, angles and areas | |
| #9 | Special measuring | |
| #10 | Telephonic communication |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rojter Martin | 23 |
| #2 | Kenig Jokhannes | 3 |
| #3 | Kuch Shtefan | 1 |