| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Japan | 3 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Toys | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rittinger Herbert | 4 |
| #2 | Darda Helmut | 4 |
| #3 | Mueller Werner | 2 |
| #4 | Kunert Alfred | 2 |
| #5 | Schoch Reinhold | 2 |
| #6 | Heruberuto Ritsuteingaa | 1 |
| #7 | Muller Werner | 1 |
| #8 | Herumuuto Daruda | 1 |
| #9 | Rainhooruto Shiyotsuho | 1 |
| #10 | Buerunaa Miyuraa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3403296C1 | Spring engine for driving toys | |
| DE3203201A1 | RAILWAY SYSTEM FOR VEHICLES WITH SPRING MOTOR | |
| DE3112115A1 | Trackway for free-running toy vehicles | |
| DE2902191A1 | RAILWAY FOR VEHICLES WITH JUMP AND SPRING Ramps | |
| US4199893A | Apparatus for braking and starting spring-driven cars | |
| DE2835209A1 | RAILWAY SYSTEM FOR FREE-RUNING VEHICLES |