| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Materials and metallurgy | |
| #4 | Environmental technology | |
| #5 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Haertling Franz Dipl Ing | 4 |
| #2 | Schwarzkopf Horst | 4 |
| #3 | Kuhlmann Juergen | 3 |
| #4 | Rostock Fritz Prof Dipl Phys | 2 |
| #5 | Hoppen Ewald A | 1 |
| #6 | Hoppen Ewald | 1 |
| #7 | Haertling Franz | 1 |
| #8 | Saal Willi | 1 |
| #9 | Kirschbaum Rudolf | 1 |
| #10 | Alfter Andreas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3740843A1 | Paving block | |
| DE3716344A1 | Granite Concrete Block | |
| DE3642772A1 | Process and apparatus for providing double-sided noise-insulating elements | |
| DE3632394A1 | Method and device for producing a noise protection element | |
| DE3531772A1 | Basalt concrete stone | |
| DE3528323A1 | Interlocking paving stone | |
| DE3503959A1 | Soundproofing element | |
| DE3443269A1 | Wall element | |
| DE3412921A1 | Sound-insulating element | |
| DE3341140A1 | Hydroponic greening element | |
| DE3219342A1 | BASALTIN column system for hydraulic engineering |