| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 8 | |
| #2 | United States | 4 | |
| #3 | Canada | 3 | |
| #4 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Unspecified technologies | |
| #3 | Separation | |
| #4 | Sewers | |
| #5 | Servomotors | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Matheson John | 6 |
| #2 | Hassall Peter | 6 |
| #3 | Smith Colin | 4 |
| #4 | Smith Colin Stanley | 2 |
| #5 | Harp John | 2 |
| #6 | Bentley Peter N | 1 |
| #7 | Walton Francis Richard | 1 |
| #8 | Davenport James Henry | 1 |
| #9 | Walton Francis R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9316046D0 | Liquid additive metering | |
| GB9224167D0 | Pumping system | |
| CA2035255A1 | De-sludging systems | |
| GB9002801D0 | Desludging systems | |
| GB8927472D0 | Liquid additive metering | |
| GB8503571D0 | Pumping systems | |
| ZA8303732B | Pumping systems | |
| GB1600749A | Liquid dispensing systems | |
| GB1596282A | Pumping system |