| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | Germany | 4 | |
| #3 | Austria | 1 | |
| #4 | Canada | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Packaging and shipping | |
| #3 | Measurement | |
| #4 | Machines | |
| #5 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Transferring liquids | |
| #3 | Measuring volume | |
| #4 | Pipes | |
| #5 | Unspecified technologies | |
| #6 | Servomotors | |
| #7 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leutenegger Bernhard | 6 |
| #2 | Bernhard Leutenegger | 6 |
| Publication | Filing date | Title |
|---|---|---|
| CA722432A | Control-valve assembly |