| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Switzerland | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Austria | 1 | |
| #6 | Canada | 1 | |
| #7 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | Finishing work on buildings | |
| #3 | Pipes | |
| #4 | Installation of electric cables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Paetzold Arnold Friedrich Herb | 1 |
| #2 | Paetzold Arnold F H | 1 |
| #3 | Finsterwalder Heinz | 1 |
| #4 | Gerlach Horst | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0935036A2 | Handrail particularly for staircases | |
| DE2907958A1 | DOUBLE WALL STAIR | |
| GB2038393A | Wooden lattice beam | |
| CH640591A5 | Wooden trussed girder |