| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | Germany | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Netherlands | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Hinges for doors or windows | |
| #2 | Indexing scheme relating to hinges | |
| #3 | Alarm systems | |
| #4 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sitter Christian | 11 |
| #2 | Sitter Michel | 11 |
| #3 | Michel Sitter | 1 |
| #4 | Christian Sitter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH716231A2 | Hinge. | |
| WO2020078592A1 | Hinge and a method for assembling and disassembling the hinge | |
| EP3168398A1 | Hidden hinge for doors, windows or similar components | |
| EP2907949A1 | Fixing unit for a hinge of doors, windows or similar construction parts | |
| CH705664A2 | Hinge, in particular for a door. | |
| CH705145A2 | Covered hinge, particularly for doors. | |
| CH702644A2 | Hinge, particularly for doors. | |
| CH700566A2 | Hinge. |