| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 12 | |
| #2 | Switzerland | 5 | |
| #3 | United Kingdom | 5 | |
| #4 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Indexing scheme relating to hinges | |
| #3 | Wing fittings | |
| #4 | Hinges for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Curtisa | 4 |
| #2 | Giovanni Poggi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB740317A | A control device for venetian blinds | |
| GB705864A | Improvements in double-framed windows | |
| GB705473A | Improvements in folding shutter slats and folding shutters made therefrom | |
| GB647044A | Improvements in lattice slats adapted to be directly hinged together and lattice rolling shutters made therefrom | |
| GB650186A | Windows with balanced pivotal and slidable sash pairs |