| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 10 | |
| #2 | Belgium | 2 | |
| #3 | Germany | 2 | |
| #4 | Canada | 1 | |
| #5 | France | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Environmental technology | |
| #4 | Packaging and shipping | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Fillers | |
| #4 | Shaping of plastics | |
| #5 | Water treatment | |
| #6 | Transport or storage devices | |
| #7 | Furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pritchatt Robert James | 2 |
| #2 | Norman Greensmith | 1 |
| #3 | Moulding Peter Lindop | 1 |
| #4 | Greensmith Norman | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8817549D0 | Clayware pipe manufacture | |
| GB8813814D0 | Conveyor mechanism | |
| GB8528028D0 | Moulding | |
| GB8516613D0 | Pipe connector | |
| GB8516614D0 | Bonding | |
| GB8507378D0 | Sewer pipes | |
| GB8428037D0 | Sewer pipes | |
| GB8420548D0 | Pipe connector | |
| GB1445822A | Pipe couplings | |
| GB1352461A | Pipe couplings | |
| US3406830A | Decanting columns | |
| CA808442A | Decanting columns |