| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Germany | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Servomotors | |
| #3 | Agricultural harvest processing | |
| #4 | Pumps | |
| #5 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Doerflinger Clemens | 6 |
| #2 | Zatrieb Jacek Dr | 5 |
| #3 | Zatrieb Jacek | 4 |
| #4 | Krumrey Walter | 3 |
| #5 | Bercher Josef | 2 |
| #6 | Zatrieb Jacek Dr Ing | 1 |
| #7 | Weber Gisela | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE19531497A1 | Proportional flow divider for hydraulic drive system | |
| CH682413A5 | A hydraulic control device. | |
| DE4028699A1 | Sickle-shaped flexible filler elements - is for gear pump and makes use of loop joint to connect two flanks | |
| CH682836A5 | Internal gear machine. | |
| EP0397840A1 | Hydraulic circuit |