| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Japan | 2 | |
| #4 | Canada | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Germany | 1 | |
| #7 | Republic of Korea | 1 | |
| #8 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Gearing | |
| #3 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eisenmann Siegfried | 11 |
| #2 | Haerle Hermann | 3 |
| #3 | Jiigufuriido Aizenman | 2 |
| #4 | Eisenmann Siegfried Dipl Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS60159375A | Hydraulic rotary piston machine | |
| DE3341217A1 | Motor vehicle automatic transmission | |
| EP0073271A1 | Annular toothed gear motor | |
| EP0043899A1 | Annular gear pump |