| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Mechanical elements | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Building materials | |
| #2 | Hydraulic engineering | |
| #3 | Pipes | |
| #4 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fernhof S | 4 |
| #2 | Fernhof Sven | 4 |
| #3 | Glienke Peter | 1 |
| #4 | Suben Fuerunhofu | 1 |
| #5 | Sven Fernhof | 1 |
| Publication | Filing date | Title |
|---|---|---|
| PH17157A | A process for preparation of ceramic products for construction purposes | |
| DE2641631A1 | Lightweight porous ceramic product prepn. - by calcining a ceramic contg. a pore former mixed with a glaze to improve strength | |
| ZA7506899B | Improvements in or relating to ceramics |