| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 6 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Australia | 2 | |
| #4 | Canada | 2 | |
| #5 | Brazil | 1 | |
| #6 | China | 1 | |
| #7 | India | 1 | |
| #8 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Metal tempering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ball Daniel Graham | 17 |
| Publication | Filing date | Title |
|---|---|---|
| WO0025055A1 | Connector for thermoplastic pipe | |
| CN1246176A | Boltless pipe connector | |
| WO9527868A1 | Pipe repair device | |
| BR9407623A | Pipe connector | |
| CA2159599A1 | Pipe coupling | |
| WO9307301A1 | Heat treatment of hardenable carbon steel pipes | |
| EP0151838A1 | Heat treating hardenable carbon steel pipe |