| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 15 | |
| #2 | EPO (European Patent Office) | 1 | |
| #3 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Materials and metallurgy | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Sewers | |
| #3 | Foundry moulding | |
| #4 | Pipes | |
| #5 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thompson Keith | 4 |
| #2 | Smith Ian | 2 |
| #3 | Henley Lee | 1 |
| #4 | Gwilliam Alan Mark | 1 |
| #5 | Doody John Philip | 1 |
| #6 | Thompson Keith Stanley | 1 |
| #7 | Newman Christopher | 1 |
| #8 | Prosser Adrian B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9615401D0 | Improvements relating to casting | |
| GB9607904D0 | Cover for a cover and frame assembly | |
| GB9607598D0 | Pipe fitting | |
| EP0732454A1 | Cover and frame assembly | |
| GB9524351D0 | Improvements relating to cover and frame assemblies | |
| GB9522652D0 | Drainage channel assemblies | |
| GB9522370D0 | Frame and sleeve assembly | |
| GB9519131D0 | Pipe coupling | |
| GB9508227D0 | Frame assembly | |
| GB9505297D0 | Cover and frame assembly | |
| GB9414402D0 | Cover and frame assembly | |
| GB9412042D0 | Cover and frame assembly | |
| GB9319841D0 | Road surface gratings |