| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 3 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Austria | 1 | |
| #6 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Transferring liquids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wydler Hermann | 3 |
| #2 | Hermann Wydler | 2 |
| #3 | Zaugg Walter | 1 |
| #4 | Alfred Reuteler | 1 |
| #5 | Reuteler Alfred | 1 |
| #6 | Walter Zaugg | 1 |
| #7 | Giger-Knuesli Ernst | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2811180A | Automatic closure means for tank filling line | |
| GB773460A | Automatic closure means for tank filling line | |
| DE948389C | Dispensing valve with automatic closure for liquids that closes when a desired filling height is reached in the container to be filled | |
| DE940325C | Flow meter with piston | |
| US2525991A | Flowmeter | |
| GB629896A | Liquid-flow meter with pistons | |
| US2547301A | Flowmeter with pistons | |
| CA569699A | Automatic closure means for tank filling line | |
| CA461775A | Flow meter with pistons | |
| CA461776A | Flow meter |