| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Germany | 3 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Civil engineering | |
| #3 | Mechanical elements | |
| #4 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Wing fittings | |
| #3 | Servomotors | |
| #4 | Electrically-conductive connections | |
| #5 | Fluid-circuit elements for computing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rene Frey | 4 |
| #2 | Bircher Max | 2 |
| #3 | Wolfgang Zimmermann | 2 |
| #4 | Frey Rene | 1 |
| #5 | Baenteli Willi | 1 |
| #6 | Wuethrich Alfred | 1 |
| #7 | Max Bircher | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2431965A1 | Electropneumatic door opener with safety circuit - has air cushion element with actuating switches |