| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Germany | 3 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 3 | |
| #5 | Brazil | 2 | |
| #6 | Spain | 2 | |
| #7 | South Africa | 2 | |
| #8 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Unspecified technologies | |
| #3 | Fillers | |
| #4 | Adhesives |
| # | Name | Total Patents |
|---|---|---|
| #1 | Struve Friedrich | 12 |
| #2 | Struve Friedrich Parkview | 1 |
| #3 | Struve F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA8105649B | Welding of plastics material | |
| ZA8105402B | Welding of thermoplastic material | |
| GB2082500A | A method and apparatus for welding sheets of thermoplastic material | |
| GB2094708A | Welding plastics material |