| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Austria | 3 | |
| #3 | Switzerland | 3 | |
| #4 | France | 3 | |
| #5 | United Kingdom | 2 | |
| #6 | Italy | 2 | |
| #7 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | Antennas | |
| #3 | Cables and insulators | |
| #4 | Special electric heating or lighting | |
| #5 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nerlich Rolf Dipl Ing | 4 |
| #2 | Romberg Bernd-Friedrich Dipl I | 3 |
| #3 | Nerlich R | 1 |
| #4 | Romberg B F | 1 |
| #5 | Romberg Bernd-Friedrich Dipl-I | 1 |
| #6 | Sietz Heinrich | 1 |
| #7 | Schutsch Herbert Ing | 1 |
| #8 | Sietz Heinrich Ing | 1 |
| #9 | Nerlich Rolf Dipl-Ing | 1 |
| #10 | Schutsch Herbert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1388050A | Extensible and collapsible roofing structures | |
| DE2154404A1 | OUTDOOR ROPE | |
| DE2144844A1 | STRUCTURE FOR THE PRODUCTION OF A ROOF | |
| DE2135128A1 | CEILING ELEMENT |