| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | German Democratic Republic | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Chemical engineering | |
| #3 | Civil engineering | |
| #4 | Medical technology | |
| #5 | Macromolecular chemistry and polymers | |
| #6 | Machine tools | |
| #7 | Textiles and paper | |
| #8 | Machines | |
| #9 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rudolf Peter | 7 |
| #2 | Peter Rudolf | 2 |
| #3 | Malkolmsson Runo | 1 |
| #4 | Brockmeyer Andreas | 1 |
| #5 | Lugert Martin | 1 |
| #6 | Koch Michael | 1 |
| #7 | Bender Michael | 1 |
| #8 | Heinz Bial | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2013140051A1 | Hand-guided apparatus with an operating lever | |
| DD201224A1 | Adjusting device for air intake elements in air operations of oil or gas burners ox or gas burner owning doing oil or gas burners | |
| GB524892A | Improvements relating to coin-freed apparatus for a game of chance | |
| US2245156A | Game of skill | |
| GB509765A | Improvements in or relating to coin-freed game apparatus | |
| GB295538A | Improved lock to be operated by means of a double key |