| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Netherlands | 3 | |
| #3 | Portugal | 2 | |
| #4 | United States | 2 | |
| #5 | Czechoslovakia | 1 | |
| #6 | German Democratic Republic | 1 | |
| #7 | Denmark | 1 | |
| #8 | Norway | 1 | |
| #9 | Turkey | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Cutting | |
| #3 | Sawing | |
| #4 | Shaping clay | |
| #5 | Scaffolding | |
| #6 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schreuders Willem Johannes | 7 |
| #2 | Schreuders Willem J | 3 |
| #3 | Van Veen Jan | 2 |
| Publication | Filing date | Title |
|---|---|---|
| NL8902098A | Method and implement for establishing building plates. | |
| NL8700271A | Method and apparatus for cutting gas concrete. | |
| NL8503229A | Implement and method for establishing building plates. |