| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 2 | |
| #2 | Austria | 1 | |
| #3 | Belgium | 1 | |
| #4 | Canada | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Germany | 1 | |
| #7 | France | 1 | |
| #8 | Greece | 1 | |
| #9 | Japan | 1 | |
| #10 | Netherlands | 1 | |
| #11 | Portugal | 1 | |
| #12 | Sweden | 1 | |
| #13 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Hinges for doors or windows | |
| #2 | Indexing scheme relating to hinges | |
| #3 | Doors and windows | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ceron Sergio | 4 |
| #2 | Serujio Seron | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS5536596A | Collapsible door | |
| US4284118A | Folding-door comprised of wooden slats and hinges |