| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 8 | |
| #2 | Switzerland | 3 | |
| #3 | Germany | 3 | |
| #4 | Denmark | 3 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Measurement | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Analysing materials | |
| #3 | Water treatment | |
| #4 | Chemical or physical processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schich Helmut Ing | 4 |
| #2 | Ludwig Seibold Firma | 3 |
| #3 | Schuch Helmut | 1 |
| #4 | Stepanek Josef Dipl-Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE887035C | Process and device for extensive electrolytic cleaning of substances dissolved in liquids | |
| DE824410C | Reference electrode, especially calomel electrode for measuring the p-value, and the p-measuring device made with it | |
| DE861993C | Electrodialytic cell, in particular for cleaning fluids by electroosmotic means |