| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | Switzerland | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Indexing scheme relating to hinges | |
| #2 | Hinges for doors or windows | |
| #3 | Bolts for doors or windows | |
| #4 | Locks | |
| #5 | Nails | |
| #6 | Office furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Willach Soehne Hugo | 4 |
| #2 | Willach Otto | 1 |
| #3 | Reinecke Ernst Dipl-Ing | 1 |
| #4 | Happ Fritz | 1 |
| #5 | Sure Willy | 1 |
| #6 | Heinrichs Werner | 1 |