| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | Germany | 4 | |
| #3 | United Kingdom | 3 | |
| #4 | Belgium | 2 | |
| #5 | Austria | 1 | |
| #6 | Spain | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Thermal processes | |
| #3 | Surface technology and coating | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Casting metal | |
| #2 | Details of furnaces | |
| #3 | Layered products | |
| #4 | Building materials | |
| #5 | Furnaces | |
| #6 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hase Horst | 2 |
| #2 | Winkler Dipl-Ing Hans-Joachim | 2 |
| #3 | Hase Horst W | 2 |
| #4 | Toncourt Rudolf Von | 1 |
| #5 | Springer Karl | 1 |
| #6 | Rudolf Frerich | 1 |
| #7 | Winkler Hans-Joachim | 1 |
| #8 | Frerich Dr-Ing Rudolf | 1 |
| #9 | Fehling Hans Reinhard | 1 |
| #10 | Traustel Sergei | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES409563A1 | Refractory pouring nozzles | |
| GB1260555A | Improvements relating to refractory pouring nozzles | |
| GB1277491A | Improvements in closure devices for metallurgical and like vessels | |
| US3044499A | Refractory ceramic pipe for fusible material |