| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 | |
| #4 | France | 2 | |
| #5 | Belgium | 1 | |
| #6 | Spain | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Portugal | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Ice-boxes | |
| #2 | Swimming pools | |
| #3 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sonn Wilhelm | 4 |
| Publication | Filing date | Title |
|---|---|---|
| PT66378A | Space cell | |
| DE2710652A1 | Joining of thermally insulated wall panels - has internal tie rods which screw into nuts with longitudinal and transverse holes | |
| DE2614475A1 | Joining of thermally insulated wall panels - has internal tie rods which screw into nuts with longitudinal and transverse holes |