| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 15 | |
| #2 | Malawi | 2 | |
| #3 | Zambia | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rose Rudolf Gerd | 4 |
| #2 | Rudolf Gerd Rose | 4 |
| #3 | Botha Johannes Petrus | 3 |
| #4 | Gerd Rose | 2 |
| #5 | Rose Gerd | 2 |
| #6 | Rose R | 2 |
| #7 | Dreyer E | 2 |
| #8 | Cramp John William | 1 |
| #9 | Andrag K | 1 |
| #10 | Andrag H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA9402158B | Pipe coupling | |
| ZA9402161B | Pipe coupling | |
| ZA9109423B | Pipe connector arrangement | |
| ZA9005492B | Attachment arrangement | |
| ZA8909091B | Coupling pipe | |
| ZA8708973B | Pipe couplings | |
| ZA8708974B | Pipes | |
| ZA8705665B | Staircases | |
| ZA8704550B | Bush | |
| MW684A1 | Pipe coupling | |
| MW284A1 | Pipe couplings | |
| ZM384A1 | Pipe couplings | |
| ZA8103276B | Dejuicer drive mechanism | |
| ZA7807255B | Pipe coupling ends | |
| ZA7202899B | Filter device | |
| ZA7103492B | Improvements in plough shares | |
| ZA7100268B | Improvements in composting machinery | |
| ZA7008007B | Reversible ploughs |