| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 23 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Botha Raymond Berkley | 21 |
| #2 | Raymond Berkley Botha | 7 |
| #3 | Halbich Hagen | 7 |
| #4 | Hagen Halbich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA9402867B | Mat pack components | |
| ZA9304310B | Mine support component | |
| ZA9208815B | Mine support pack and a member for constructing the pack. | |
| ZA9208813B | Mat pack building unit. | |
| ZA9208814B | Mat pack building unit. | |
| ZA9205256B | Mine prop | |
| ZA9205255B | Mine support pack | |
| ZA9102296B | Wire drilling | |
| ZA9102142B | Wire drilling | |
| ZA9101862B | Pack type mine support | |
| ZA9100945B | Mine support pack | |
| ZA8703452B | Mat pack manufacture | |
| ZA8507818B | Rope clamp | |
| ZA8507375B | Prop | |
| ZA8504798B | Concrete pillar support | |
| ZA8504105B | Mat pack | |
| ZA8406781B | Rock anchor | |
| ZA8403333B | Mat pack component | |
| ZA8308454B | Prop | |
| GB8330127D0 | Mine prop |