| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | France | 4 | |
| #3 | Sweden | 4 | |
| #4 | United Kingdom | 3 | |
| #5 | Japan | 3 | |
| #6 | Italy | 2 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Chemical engineering | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Mixing | |
| #3 | Pumps | |
| #4 | Chemical or physical laboratory devices | |
| #5 | Measuring volume | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | De Leeuw J | 5 |
| #2 | Yan De Reeu | 3 |
| #3 | Leeuw Jan De Dipl Ing | 2 |
| #4 | Leeuw Jan De | 2 |
| #5 | Anordning For Dosering Av En V | 1 |
| #6 | For Agitering Av Innehallet I | 1 |
| #7 | De Leeuw Jan | 1 |
| #8 | Widen J A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS51120769A | Cuvette for photometer | |
| JPS51120465A | Stirrer for dilution | |
| US3942916A | Dosing device particularly for small quantities of liquid | |
| GB1418594A | Pump especially for small quantities of liquid | |
| GB1442792A | Photometer chamber unit |