| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 7 | |
| #2 | EPO (European Patent Office) | 6 | |
| #3 | Denmark | 3 | |
| #4 | Switzerland | 2 | |
| #5 | Norway | 2 | |
| #6 | Sweden | 2 | |
| #7 | United States | 2 | |
| #8 | Australia | 1 | |
| #9 | Belgium | 1 | |
| #10 | Germany | 1 | |
| #11 | France | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Peeters-Weem Petrus Johannes M | 4 |
| #2 | Boomsma Harmen | 3 |
| #3 | Wit Marinus Jan De | 3 |
| #4 | Spangenberg Jacques Constantij | 2 |
| #5 | Jong Harold Hermanus Albertus | 2 |
| #6 | Brand Pieter Johannes | 2 |
| #7 | Peeters Petrus Johannes Maria- | 1 |
| #8 | Peeters Petrus Johannes Maria | 1 |
| #9 | Spangenberg Jaques Constantijn | 1 |
| #10 | De Wit M J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL1005860C2 | Wall system for dividing room in living or utility building | |
| NL9500184A | Clamping wall system. | |
| NL9300232A | Flat-folding wall. | |
| NL8800936A | Partition wall containing double-walled panels jointed together. | |
| DK84484A | Folding road connection module | |
| NL8204792A | Foldable separation. | |
| DE3223921A1 | Window or door leaf, in particular folding-door slat | |
| EP0076879A1 | Folding wall | |
| EP0156451A2 | Folding wall | |
| NL8002187A | Folding wall. |