| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Australia | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Testing of structures |
| # | Name | Total Patents |
|---|---|---|
| #1 | Platt Grahame | 8 |
| #2 | Platt Grahame Harcourt | 2 |
| #3 | Platt Graham | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2003233894A1 | Tank valve testing method | |
| GB0210885D0 | Tank valve testing method and kit | |
| GB0206683D0 | A valve actuating device,valve and method | |
| AU1530301A | Pressure relief valve | |
| GB9927610D0 | Magnetic venting valve with roll-over mechanism |