| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | Germany | 2 | |
| #3 | United States | 2 | |
| #4 | Switzerland | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Furniture and games | |
| #3 | Consumer goods | |
| #4 | Engines, pumps and turbines | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Syringes | |
| #2 | Toys | |
| #3 | Writing or drawing tools | |
| #4 | Street cleaning | |
| #5 | Physical therapy devices | |
| #6 | Non-positive-displacement pumps | |
| #7 | Chairs and beds | |
| #8 | Stringed musical instruments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duffek Artur | 7 |
| #2 | Strenitz Alexander | 2 |
| #3 | Artur Duffek | 1 |
| #4 | Weiler Josef | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US773169A | Toy. | |
| US723421A | Toy. | |
| GB190209614A | Improved Appliance or Toy for Imparting Motion to Objects such as Toy Soldiers and the like in Imitation of Military and other Movements. |