| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | France | 2 | |
| #3 | Switzerland | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | General building constructions | |
| #3 | Structural elements | |
| #4 | Hinges for doors or windows | |
| #5 | Special furniture | |
| #6 | Indexing scheme relating to hinges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hahn Otto | 9 |
| #2 | Otto Hahn | 2 |
| #3 | Baneke Max | 1 |
| #4 | Fischer Klaus | 1 |
| #5 | Schmidt Hermann | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2907078A | Glass unit for structure glazing |