| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Canada | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Thermal processes | |
| #4 | Civil engineering | |
| #5 | Machines | |
| #6 | Surface technology and coating | |
| #7 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Streck F | 4 |
| #2 | Streck Friedrich | 2 |
| #3 | Bellhaeuser Walter | 1 |
| #4 | Friedrich Streck | 1 |
| #5 | Stereck Friedrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2240143A1 | PARTITION WALL | |
| DE2210821A1 | REMOVABLE, REUSABLE PARTITION WITH A SPRING | |
| DE2210819A1 | REMOVABLE, REUSABLE DIVIDER WITH TWO SPRINGS | |
| US3687223A | Sound-retarding wall elements | |
| CA922643A | Sound-retarding wall elements | |
| US3724825A | Insert for treating fluids and gases |