| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 15 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Hinges for doors or windows | |
| #2 | Indexing scheme relating to hinges | |
| #3 | Doors and windows |
| Publication | Filing date | Title |
|---|---|---|
| FR2324843A1 | Up and over garage door - has counterweight aid and traction cable-pulley wheel transmission | |
| FR2234791A5 | Guide frame for garage door counterweight - has cross member adjustable on uprights to vary counterweight travel |