| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 7 | |
| #2 | United Kingdom | 4 | |
| #3 | Australia | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Lighting device details | |
| #2 | Special light sources | |
| #3 | Unspecified technologies | |
| #4 | Installation of electric cables | |
| #5 | Electrically-conductive connections | |
| #6 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hamacher M | 7 |
| #2 | Hamacher Martin | 2 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7501250B | An improved lighting structure |