| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 6 | |
| #2 | Germany | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Mechanical paper working | |
| #3 | Punching metal | |
| #4 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Opdam Josephus | 8 |
| Publication | Filing date | Title |
|---|---|---|
| NL9301685A | Partition wall, and method for building a partition wall | |
| NL8800925A | Panel mounting assembly. | |
| NL8701426A | Panel seal for joints of variable width - has two=part V=shaped flexible legs which after insertion form joint seal | |
| NL8202853A | Method for attaching metal parts and stamp for carrying out the method | |
| NL8105154A | Connecting elements for wall panels. | |
| NL8104032A | Connection Profile. |