| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 4 | |
| #2 | Australia | 3 | |
| #3 | Belgium | 3 | |
| #4 | Canada | 3 | |
| #5 | Switzerland | 3 | |
| #6 | Finland | 3 | |
| #7 | Italy | 3 | |
| #8 | Netherlands | 3 | |
| #9 | Norway | 3 | |
| #10 | New Zealand | 3 | |
| #11 | South Africa | 3 | |
| #12 | Argentina | 2 | |
| #13 | Austria | 2 | |
| #14 | Brazil | 2 | |
| #15 | Germany | 2 | |
| #16 | France | 2 | |
| #17 | United Kingdom | 2 | |
| #18 | India | 2 | |
| #19 | Japan | 2 | |
| #20 | Sweden | 2 | |
| #21 | United States | 2 | |
| #22 | EPO (European Patent Office) | 1 | |
| #23 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Textiles and paper | |
| #3 | Machine tools | |
| #4 | Control | |
| #5 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leuvelink Gerrit Willem Egbert | 16 |
| #2 | Leuvelink G W E | 7 |
| #3 | Leuvelink Gerrit W E | 5 |
| #4 | Leuvelink G | 5 |
| #5 | Leuvelink Gerritt Willem Egber | 3 |
| #6 | Gerito Buiremu Ekuberuto Ruube | 2 |
| #7 | Leuvelink Gerrit Willem Egberg | 1 |
| #8 | Leuvelimk Gerrit Willem Egbert | 1 |
| #9 | Leuvelink Gerrit Williem Egber | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NZ198243A | Coiling thermoplastics filament;inserted twist | |
| GB2079336A | Method of and apparatus for arranging helical coils in interdigated side-by-side disposition | |
| ZA8104393B | Method of and apparatus for arranging helical coils in interdigitated side-by-side disposition | |
| ZA8002542B | Method for the production of a link-belt and a link-belt produced thereby |