| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Shaping of plastics | |
| #4 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guest John Derek | 5 |
| #2 | Guest Timothy Steven | 3 |
| #3 | Harde Bo | 2 |
| #4 | Kirk Colin John | 2 |
| #5 | Guest Timothy Stephen | 1 |
| #6 | Guest John D | 1 |
| #7 | Guest Timothy S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0333948A1 | Improvements in or relating to tube couplings | |
| EP0271358A2 | Improvements in or relating to non-return valves | |
| GB8725046D0 | Improvements in or relating to tube coupling bodies | |
| GB8505818D0 | Improvements in or relating to tube couplings | |
| GB8425681D0 | Releasable pipe couplings | |
| GB8319717D0 | Quick release tube coupling | |
| GB2132295A | Pipe coupling | |
| GB2131903A | Pipe coupling | |
| GB2132296A | Tube coupling |