| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Denmark | 3 | |
| #3 | Canada | 1 | |
| #4 | Italy | 1 | |
| #5 | Sweden | 1 | |
| #6 | United States | 1 | |
| #7 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Indexing scheme relating to hinges | |
| #2 | Hinges for doors or windows | |
| #3 | Doors and windows | |
| #4 | Unspecified technologies | |
| #5 | Wing fittings | |
| #6 | Servomotors | |
| #7 | Mechanical control devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Janke B | 7 |
| #2 | Frach W | 6 |
| Publication | Filing date | Title |
|---|---|---|
| GB1432687A | Panel pivotally and tiltably mounted in a frame | |
| US3857199A | Seal for a sliding door, a sliding window or the like | |
| GB1310932A | Control devices for operating windows | |
| YU31250B | Naprava za pokretljivo drzanje i zaptivno zatvaranje ispune gradevinskih otvora, narocito prozorskih krila u prozorskim okvirima |