| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 13 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Measuring length, angles and areas | |
| #2 | Postal sorting | |
| #3 | Shafts | |
| #4 | Grinding or polishing devices | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Company Limited The Sigma Inst | 6 |
| #2 | Frederick Robert Boosey | 4 |
| #3 | John Loxham | 3 |
| #4 | John Hunter Hamilton | 1 |
| #5 | John William Pepper | 1 |