| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 14 | |
| #2 | Australia | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Scaffolding | |
| #3 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smit Johann | 14 |
| #2 | Erasmus Petrus Nicolaas | 8 |
| #3 | Johann Smit | 5 |
| #4 | Grobbler Michael Reinhardt | 4 |
| #5 | Kaletsch Peter Karl | 3 |
| #6 | Visser Christiaan Abraham | 2 |
| #7 | Peter Karl Kaletsch | 2 |
| #8 | Fouche Pierre Marc | 2 |
| #9 | Mostert Derek | 2 |
| #10 | Spath Michael | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO0036274A1 | An underground support pack | |
| AU5929699A | Apparatus for prestressing a support in underground mining | |
| AU5929799A | Method of and apparatus for prestressing a support in underground mines | |
| AU5929899A | Support pack component | |
| ZA9809132B | Mixing apparatus | |
| ZA9809133B | Mould | |
| ZA9807410B | Mould arrangement | |
| ZA9309553B | Support pack component | |
| ZA9300607B | Embankment block. | |
| ZA9205679B | Pack component | |
| ZA9203687B | Prop. | |
| ZA9203532B | Insulant and cladding material | |
| ZA9108323B | Barrier block | |
| ZA9106684B | Rock anchor | |
| ZA9106685B | Rock reinforcement | |
| ZA9105093B | Yieldable prop | |
| ZA9105091B | Pipe insulation | |
| ZA9100667B | Embankment block |