| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | France | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Electrical machinery and energy | |
| #5 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Unspecified technologies | |
| #3 | Control or regulating systems | |
| #4 | Fluid-circuit elements for computing | |
| #5 | Venting or aerating devices | |
| #6 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schadegg Rudolf | 4 |
| #2 | Hodler Karl | 2 |
| #3 | Koch Marcel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3239668A1 | PNEUMATIC TIME VALVE | |
| DE3239129A1 | Protective earth transducer | |
| ATA27578A | Time control unit for pneumatic signals | |
| GB1381525A | Pneumatically operated timer |