| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Denmark | 3 | |
| #3 | Finland | 3 | |
| #4 | France | 3 | |
| #5 | United Kingdom | 3 | |
| #6 | Belgium | 1 | |
| #7 | Switzerland | 1 | |
| #8 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | Pipes | |
| #3 | Iron and steel production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carreira Reynaud Renato Rogeri | 2 |
| #2 | Carreira Reynaud Renato Regeri | 1 |
| #3 | Renato Rogerio Carreira Reynau | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB889118A | Method of moulding tubular parts and apparatus therefor | |
| DE1141144B | Connection of two smooth cylindrical pipe ends in a sleeve that tapers conically towards the ends with sealing rings pressurized with pressure medium | |
| GB859816A | Improvements in tube unions |