| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United Kingdom | 2 | |
| #3 | Belgium | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Surface technology and coating | |
| #2 | Mechanical elements | |
| #3 | Control | |
| #4 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Coating metallic material | |
| #2 | Pipes | |
| #3 | Systems controlling non-electric variables | |
| #4 | Metal tempering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Braun Matthaus | 3 |
| #2 | Braun Matthaeus | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB478938A | Method of and furnace for coating pipes with metal | |
| GB457003A | Method of and means for coating pipes with copper |