| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Canada | 2 | |
| #3 | France | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Unspecified technologies | |
| #3 | Machines | |
| #4 | Venting or aerating devices | |
| #5 | Scaffolding | |
| #6 | Positive-displacement engines | |
| #7 | Cyclically operating valves |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bille Heinz | 5 |
| #2 | Hebisch Karl | 3 |
| #3 | Bille Heinrich | 1 |
| #4 | Prawit Alfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2203000A1 | HYDRAULIC DRIVES FOR A UNIT OF PISTON PUMPS | |
| US3647326A | Distributing valve arrangement | |
| DE1920557A1 | Gate valve for concrete pumps | |
| DE1910107A1 | Twin arrangement of two hydraulic piston engines driven in opposite directions | |
| DE1907508A1 | Tandem arrangement of two piston engines | |
| DE1905051A1 | Conveyor station for concrete, dough-shaped masses or the like. | |
| DE1902993A1 | Switching device in a conveyor line |