| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Consumer goods | |
| #3 | Textiles and paper | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Ticket-issuing devices | |
| #2 | Books | |
| #3 | Photographic composing devices | |
| #4 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ernst Tensfeldt | 2 |
| #2 | Von Kintzel Georg | 1 |
| #3 | Ramdor Leopold | 1 |
| #4 | Tensfeldt Ernst | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB512037A | Improvements in ticket issuing devices | |
| US2155762A | Device for issuing tickets, cards, and the like | |
| GB503754A | Improvements in or relating to ticket issuing devices | |
| GB456635A | Improvements in admission tickets and the like | |
| US1804238A | Safety wardrobe ticket-set | |
| US1648203A | Appliance for storing type bars | |
| GB259992A | Means for storing ready for printing lines of short type |