| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | Australia | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | United States | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Shaping of plastics | |
| #3 | Sewers | |
| #4 | Unspecified technologies | |
| #5 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcalpine George A | 7 |
| #2 | Molyneux Sydney | 4 |
| #3 | Allen Peter | 3 |
| #4 | Mcalpine George | 2 |
| #5 | Molyneux Syd | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2262118A1 | Material and method for lining pipes | |
| AU3901597A | Full flow winding machine | |
| CA1302034C | Method of and machine for winding tubes from strip |