| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Hungary | 1 | |
| #4 | Japan | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Siphons | |
| #2 | Internal-combustion piston engines | |
| #3 | Punching metal | |
| #4 | Unspecified technologies | |
| #5 | Making metal sheets | |
| #6 | Soldering, welding and flame cutting | |
| #7 | Steam turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Merz Karl | 12 |
| Publication | Filing date | Title |
|---|---|---|
| EP2672123A1 | Cell wheel, in particular for a pressure wave charger | |
| EP2450121A1 | Method for producing a cellular wheel | |
| EP2253853A1 | Cellular wheel and method for its production |