| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United Kingdom | 7 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Control | |
| #4 | Materials and metallurgy | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Venting or aerating devices | |
| #3 | Pumps | |
| #4 | Systems controlling non-electric variables | |
| #5 | Casting metal | |
| #6 | Pipes | |
| #7 | Cyclically operating valves | |
| #8 | Spraying devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rexroth Ludwig | 3 |
| #2 | Bartholomaeus Reiner | 2 |
| #3 | Thiel Helmut | 2 |
| #4 | Klug Berthold | 1 |
| #5 | Haertwig Manfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1109136A | High speed cylinder | |
| GB1107583A | A fluid flow control valve having an electro-magnet | |
| GB1056487A | Improvements in or relating to piston valves | |
| GB1056486A | Improvements in or relating to piston valves | |
| DE1202545B | Pressure regulator |