| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Belgium | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Germany | 2 | |
| #4 | Austria | 1 | |
| #5 | Spain | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Scaffolding | |
| #2 | Structural elements | |
| #3 | Distribution of electric power |
| # | Name | Total Patents |
|---|---|---|
| #1 | Romek Dipl-Ing Arpad | 2 |
| #2 | Peter Liesenfeld | 2 |
| #3 | Arpad Romek | 1 |
| #4 | Rudolf Rispler | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES286458A1 | Improvements introduced in the closures by chavetacuºa rotating of couplings for steel tube scaffoldings (Machine-translation by Google Translate, not legally binding) | |
| DE1214373B | Truss-like steel light beam, in particular armor beam | |
| DE1205255B | Truss-like steel light beam, in particular armor beam |