| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 6 | |
| #2 | United States | 4 | |
| #3 | Japan | 3 | |
| #4 | Republic of Korea | 2 | |
| #5 | Norway | 2 | |
| #6 | Canada | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Shafts | |
| #3 | Pistons and sealings | |
| #4 | Liquefaction of gases by pressure | |
| #5 | Unspecified technologies | |
| #6 | Steam turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dessibourg Dominique | 6 |
| #2 | Grob Denis | 6 |
| #3 | Lorenzen Heinrich | 6 |
| #4 | Pradetto Jean-Claude | 5 |
| #5 | Schmied Joachim | 5 |
| #6 | Vogel Andreas | 4 |
| #7 | Aicher Walter | 2 |
| #8 | Hainritsuhi Rorentsuen | 1 |
| #9 | Schmohl Hans | 1 |
| #10 | Allenbach Karl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0990798A1 | Turbo compressor | |
| EP0781948A1 | Turbomachine for non-perfect gas | |
| WO9713986A1 | Rotodynamic machine for conveying a fluid | |
| US5718560A | Turbocompressor for non-ideal process gases |