| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 1 | |
| #2 | Belgium | 1 | |
| #3 | Switzerland | 1 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | Netherlands | 1 | |
| #11 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Niendorf Hermann | 4 |
| #2 | Poppei Gerhard | 2 |
| #3 | Poppei G | 1 |
| #4 | Poppei Gerhard Prof Dr | 1 |
| #5 | Pappei Gerhard Prof Dr | 1 |
| #6 | Niendorf Hermann Halle | 1 |
| #7 | Poppei Gerhard Dr | 1 |
| #8 | Niendorf H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| YU176977A | Device for drying construction objects | |
| GB1570656A | Method for drying buildings | |
| DK142777A | Plant for planting and maintenance of buildings |