| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | Germany | 6 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Cryptography | |
| #3 | Photographic composing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Burg Hubert | 8 |
| #2 | Hubert Burg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB206261A | Improvements in portable typewriting machines | |
| US1497482A | Transportable typewriter | |
| GB170107A | Improvements in typewriting machines |