| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machine tools | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Punching metal | |
| #3 | Office furniture | |
| #4 | Bolts for doors or windows | |
| #5 | Indexing scheme relating to hinges | |
| #6 | Locks | |
| #7 | General building constructions | |
| #8 | Hinges for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pregitzer Otto | 9 |
| #2 | Otto Pregitzer | 2 |