| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Australia | 1 | |
| #6 | Belgium | 1 | |
| #7 | Switzerland | 1 | |
| #8 | Norway | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | General building constructions | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kroopp Karl-Gunnar | 3 |
| #2 | Kroopp K | 2 |
| #3 | Kroopp K G | 1 |
| #4 | Kroop Karl-Gunnar | 1 |
| #5 | Svensson Thure | 1 |
| #6 | Karl-Gunnar Kroopp | 1 |
| #7 | Idsund Anders | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2344970A | Coupling means for connecting together building units | |
| GB1243684A | Improved coupling for building units | |
| CA867564A | Means for joining together building units |