| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Belgium | 2 | |
| #3 | Spain | 2 | |
| #4 | France | 2 | |
| #5 | Canada | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lancaster Peter J | 1 |
| #2 | Lancaster Peter John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3923658A | Vehicle washing plant | |
| GB1412170A | Vehicle washing plant | |
| GB1412662A | Apparatus for detoxicating effluent waters | |
| GB1412661A | Apparatus for the continuous treatment of liquids | |
| GB1350703A | Process for reclaiming silver and or mercury values from effluent | |
| GB1349967A | Gas treatment plant |