| # | Country | Total Patents | |
|---|---|---|---|
| #1 | German Democratic Republic | 5 | |
| #2 | Germany | 3 | |
| #3 | USSR (Union of Socialist Soviet Republics) | 2 | |
| #4 | Austria | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Hungary | 1 | |
| #7 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Albrecht Jiri | 3 |
| #2 | Nemec Miloslav | 2 |
| #3 | Novak Vaclav | 2 |
| #4 | Knot Miroslav | 2 |
| #5 | Sekal Miroslav | 2 |
| #6 | Kostal Miri Dipl Ing | 1 |
| #7 | Svoboda Otakar | 1 |
| #8 | Choteborsky Vaclav | 1 |
| #9 | Ptacek Emil | 1 |
| #10 | Peterka Bohumi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DD255855A3 | Wheel of a axial fender | |
| DE3343919A1 | Device for scarfing the blades of a fan wheel | |
| GB8331868D0 | Burning-off of blades | |
| DD245566A3 | Device for flamming of the shovels of the fly of a fan | |
| DD234560A3 | Device for fastening filter insertion | |
| DD156467A3 | Device for increasing the dusting level |