| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | Ireland | 2 | |
| #3 | Singapore | 2 | |
| #4 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ruesse Rolf | 2 |
| #2 | Mccafferty John James | 2 |
| #3 | Suddell Stephen John | 1 |
| #4 | Mccafferty J J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9311555D0 | Improvement in subsea valves | |
| GB9308758D0 | Improvements in subsea valves | |
| GB8800671D0 | Displaceable valve assembly | |
| NZ216423A | Check valve for pipeline: means for carrying out maintenance on valve without release of pipeline fluid |