| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 13 | |
| #2 | WIPO (World Intellectual Property Organization) | 13 | |
| #3 | United States | 11 | |
| #4 | Italy | 8 | |
| #5 | France | 6 | |
| #6 | China | 4 | |
| #7 | Sweden | 4 | |
| #8 | Japan | 2 | |
| #9 | Germany | 1 | |
| #10 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Transport | |
| #4 | Machines | |
| #5 | Environmental technology | |
| #6 | Machine tools | |
| #7 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zenker Siegfried | 11 |
| #2 | Petersen Hans Christian | 10 |
| #3 | Beek Johan Van | 9 |
| #4 | Giversen Svend | 8 |
| #5 | Christensen Thorkild | 8 |
| #6 | Mortensen Lars | 8 |
| #7 | Christiansen Tage | 7 |
| #8 | Tychsen Tom | 7 |
| #9 | Friedrichsen Welm | 6 |
| #10 | Soerensen Ole Vincentz | 5 |
| Publication | Filing date | Title |
|---|---|---|
| DE102004027971A1 | Hydraulic steering device | |
| US6739849B1 | Means for optimizing the disc valve in a gerotor motor | |
| US6739848B1 | Hydraulic motor with disc valve commutating slots complimentary in shape to port plate ports | |
| US2004074707A1 | Brake appliance for gerotor motors | |
| AU1995801A | Method for producing a crowned toothing with involute properties and shafts withsuch toothings |