| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 2 | |
| #2 | Sweden | 2 | |
| #3 | Argentina | 1 | |
| #4 | Belgium | 1 | |
| #5 | Canada | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Germany | 1 | |
| #8 | Finland | 1 | |
| #9 | France | 1 | |
| #10 | United Kingdom | 1 | |
| #11 | Ireland | 1 | |
| #12 | India | 1 | |
| #13 | Italy | 1 | |
| #14 | Luxembourg | 1 | |
| #15 | Netherlands | 1 | |
| #16 | Portugal | 1 | |
| #17 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Structural elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Buen Asbjorn | 5 |
| #2 | Buen Asbjoern | 4 |
| #3 | Asbjorn Buen | 2 |
| #4 | Asbjoern Buen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3201832A1 | HOLLOW BLOCK AND MODULAR SYSTEM BASED ON IT | |
| ZA8200373B | Hollow building block and building block system |