| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Germany | 2 | |
| #3 | Spain | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Sweden | 2 | |
| #6 | Austria | 1 | |
| #7 | France | 1 | |
| #8 | Netherlands | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Shaping of plastics | |
| #3 | Systems controlling non-electric variables | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Assembergs Carl J | 2 |
| #2 | Koppen Dirk Jan | 1 |
| #3 | Koppen Dirk J | 1 |
| #4 | Metz H T | 1 |
| #5 | Metz Hendrik Theodoor | 1 |
| #6 | Koppen D J | 1 |
| #7 | Assembergs C | 1 |
| #8 | Metz Hendrik T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3884262A | Pressure control device for a hydraulic circuit | |
| GB1396926A | Control device for load-independent regulation of hydraulic consumers | |
| NL143015B | PRESSURE REGULATING TWO-WAY VALVE FOR A HYDRAULIC CIRCUIT. |