| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Yugoslavia (Serbia and Montenegro) | 6 | |
| #2 | German Democratic Republic | 5 | |
| #3 | Germany | 4 | |
| #4 | France | 4 | |
| #5 | Italy | 4 | |
| #6 | Poland | 4 | |
| #7 | Austria | 3 | |
| #8 | Bulgaria | 3 | |
| #9 | Hungary | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schulz Guenter | 11 |
| #2 | Schulz G | 5 |
| #3 | Paulusch Dieter | 4 |
| #4 | Mudlagk Uwe | 3 |
| #5 | Paulusch Reiner | 3 |
| #6 | Schulz | 3 |
| #7 | Schulz Guenter Ing | 2 |
| #8 | Ferchland Ditrech | 1 |
| #9 | Ferchland Dietrich Dipl Ing | 1 |
| #10 | Haenler Hans-Ulrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DD248799A1 | Colored concrete | |
| DD216525A1 | Process for sekundaerwaer use, preferably from firing processes of the ceramic industry | |
| DD213491A1 | Process for sekundaerwaer use, preferably from drying systems of the ceramic industry | |
| DD213281A1 | Process for sekundaerwaer use, preferably from firing processes of the ceramic industry | |
| DD213490A1 | Process for sekundaerwaer use, preferably from drying systems of the ceramic industry |