| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Belgium | 2 | |
| #3 | France | 2 | |
| #4 | Italy | 2 | |
| #5 | Netherlands | 2 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machine tools | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines | |
| #5 | Materials and metallurgy | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Mixing | |
| #2 | Presses | |
| #3 | Preparing clay | |
| #4 | Pumps | |
| #5 | Pipes | |
| #6 | Building materials | |
| #7 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schulz Eckhard | 6 |
| Publication | Filing date | Title |
|---|---|---|
| DE3144907A1 | Process for preparing a lime sand mixture | |
| DE3123354A1 | Method for preparing a lime-sand mixture | |
| DE3113737A1 | Feed pump | |
| DE2831686A1 | MIXER | |
| DE2830779A1 | HYDRAULIC DOUBLE PRESSURE PRESS FOR ARTIFICIAL STONES |