| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 | |
| #2 | Austria | 4 | |
| #3 | Switzerland | 4 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Textiles and paper | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Neukirch Johannes | 17 |
| #2 | Johannes Neukirch | 4 |
| Publication | Filing date | Title |
|---|---|---|
| DE2334029A1 | Variable axial piston hydraulic transmission - has primary and secondary pump and motor pistons from coaxial input and output shafts | |
| DE2332584A1 | Axial piston pump or motor - has a drum with a number of cylinders with axial pistons and an inclined driving disc | |
| GB1204021A | Power-branching hydraulic axial piston type transmission |