| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 4 | |
| #2 | United States | 2 | |
| #3 | Canada | 1 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | Portugal | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Basic materials chemistry | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Refining | |
| #4 | Kitchen equipment | |
| #5 | Vehicle seats |
| # | Name | Total Patents |
|---|---|---|
| #1 | Drijftholt Jacob | 6 |
| #2 | Van Den Berg Johannes C M | 2 |
| #3 | Berg Johannes C M Van Den | 1 |
| #4 | Berg Johannes Canisius Maria V | 1 |
| #5 | Vandenberg Johannes C M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL8900893A | Rotary filter for sepg. solids from liq. - has rotating sieve drum covered around circumference by filter cloth and cells inside into which vacuum pipe can extend with scraper outside | |
| NL8900100A | Device for deep-fat frying of consumable products - has oil tank with inlet and outlet with air locks, tank joined to suction discharge having oil filtered, heated and sepd. from product | |
| NL8701760A | Method and apparatus for refining oils or fats | |
| NL8602954A | Arm rest for vehicle occupant esp. driver - has support piece slidable along and hingeable around rod on plated fixed to door panel |