| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 6 | |
| #2 | Sweden | 2 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Indexing scheme relating to hinges | |
| #2 | Hinges for doors or windows | |
| #3 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Havnes Helge | 4 |
| #2 | Karlsson Arne | 3 |
| #3 | Knudsen Rolf A | 2 |
| #4 | Stafset Kaare | 1 |
| #5 | Knutsen Rolf A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5983569A | Turnable window arrangement | |
| US5444942A | Window constructions |