| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 9 | |
| #2 | Germany | 7 | |
| #3 | France | 3 | |
| #4 | Austria | 2 | |
| #5 | Belgium | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | General building constructions | |
| #3 | Finishing work on buildings | |
| #4 | Scaffolding | |
| #5 | Office furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ernst Schwachula | 10 |
| #2 | Schwachula Ernst | 6 |
| Publication | Filing date | Title |
|---|---|---|
| DE2536526A1 | Large interlocking filled hollow building block - has studs and sockets for flush connection to adjacent blocks |