| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | South Africa | 2 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | Czechoslovakia | 1 | |
| #7 | German Democratic Republic | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Spain | 1 | |
| #10 | Hungary | 1 | |
| #11 | India | 1 | |
| #12 | Poland | 1 | |
| #13 | Turkey | 1 | |
| #14 | United States | 1 | |
| #15 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Foundry moulding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mueller-Spaeth Gerhard | 7 |
| #2 | Mueller-Spath Gerhard | 3 |
| #3 | Muller-Spath Gerhard | 2 |
| #4 | Gerhard Muller-Spath | 1 |
| #5 | Mueller-Spaeth G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE4126641A1 | Sand mould filling device - has intermediate plates with various thickness, to accommodate nozzles of blowing or shooting head when used with various mould box arrangements | |
| ZA8404612B | Process for producing a casting mould and cast members | |
| DE3323787A1 | Process for the production of a casting in a casting mould |