| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Denmark | 2 | |
| #3 | Austria | 1 | |
| #4 | Australia | 1 | |
| #5 | Belgium | 1 | |
| #6 | Canada | 1 | |
| #7 | Switzerland | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Finland | 1 | |
| #10 | France | 1 | |
| #11 | United Kingdom | 1 | |
| #12 | Netherlands | 1 | |
| #13 | Norway | 1 | |
| #14 | Portugal | 1 | |
| #15 | Sweden | 1 | |
| #16 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Scaffolding | |
| #2 | Unspecified technologies | |
| #3 | Ladders | |
| #4 | General building constructions | |
| #5 | Roof coverings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Layher Ulrich | 14 |
| Publication | Filing date | Title |
|---|---|---|
| DE19605972A1 | Scaffolding with walkway planks | |
| DE19511847A1 | Support structure arrangement for scaffolding | |
| DE3806668A1 | LADDER | |
| DE3542610A1 | Fast assembly hall roof | |
| DE3407425A1 | METAL PIPE FRAME |