| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 97 | |
| #2 | United States | 4 | |
| #3 | United Kingdom | 3 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Electrical machinery and energy | |
| #3 | Packaging and shipping | |
| #4 | Audio-visual technology | |
| #5 | Basic materials chemistry | |
| #6 | Machine tools | |
| #7 | Control | |
| #8 | Chemical engineering | |
| #9 | Machines | |
| #10 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Toys | |
| #2 | Transport or storage devices | |
| #3 | Portable lighting devices | |
| #4 | Detonating devices | |
| #5 | Advertising | |
| #6 | Rolling metal | |
| #7 | Coin-freed | |
| #8 | Lubricating | |
| #9 | Separating solids using liquids | |
| #10 | Explosive charges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arnold Karl | 14 |
| #2 | Karl Arnold | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US2062046A | Mechanical toy | |
| US2062490A | Gyrating toy | |
| GB277898A | Improvements in spark producing toys | |
| GB266633A | Improvements in or relating to spark producing toys | |
| DE433944C | Music top | |
| GB234379A | Toy-boat | |
| US1404261A | Process of making a friction igniter | |
| DE534448C | toy | |
| DE358677C | Gyro with elevator device | |
| DE372556C | Spinning top with spark generator and musical voice | |
| DE470476C | toy | |
| DE470475C | Toy with a rotating disc | |
| DE443228C | Rotary elevator | |
| DE459803C | Light gyro | |
| DE452611C | Light gyro |