| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Australia | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | China | 2 | |
| #5 | Republic of Korea | 2 | |
| #6 | Hong Kong | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Rotary pistons | |
| #3 | Non-positive-displacement pumps | |
| #4 | Cyclones | |
| #5 | Special machines | |
| #6 | Alloys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Greiner Daniel | 7 |
| #2 | Scholz Fritz-Martin | 6 |
| #3 | Fischer Juergen | 4 |
| #4 | Frey Gerhard | 3 |
| #5 | Aust Norbert | 3 |
| #6 | Vogt Herbert | 3 |
| #7 | Wagener Wolf-Rudiger | 3 |
| #8 | Wagener Wolf-Ruediger | 2 |
| #9 | Oswald Jurgen | 2 |
| #10 | Scholz Fritz Martin | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CN101208154A | Extraction device having a centrifugal separator | |
| EP1746290A1 | Centrifugal compressor | |
| WO2005113987A1 | Pump regulation unit | |
| CN1768206A | Rotary piston pump | |
| US2006051231A1 | Compressor machine with two counter-rotating rotors |