| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 7 | |
| #2 | Germany | 5 | |
| #3 | Brazil | 2 | |
| #4 | Austria | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sproll Franz Xaver | 7 |
| #2 | Xaver Sproll Franz | 4 |
| #3 | Franz Xaver Sproll | 4 |
| Publication | Filing date | Title |
|---|---|---|
| DE3514993A1 | Cabinet | |
| BR8106974A | Protective border for bed | |
| BR8008050A | Internal lock with spring | |
| CH614367A5 | Flexible padded edge on a bed | |
| CH596803A5 | Mattress with two cushion core layers of different softness | |
| GB1263377A | Mattress supports for beds or the like |