| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 56 | |
| #2 | Germany | 5 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Australia | 1 | |
| #5 | Switzerland | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Textiles and paper | |
| #3 | Thermal processes | |
| #4 | Engines, pumps and turbines | |
| #5 | Machines | |
| #6 | Furniture and games | |
| #7 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Air-conditioning | |
| #3 | Chemical or physical processes | |
| #4 | Radiation protection | |
| #5 | Spraying devices | |
| #6 | Mechanical paper working | |
| #7 | Making paper goods | |
| #8 | Supplying combustion engines | |
| #9 | Domestic washing | |
| #10 | Live-saving devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marshall Dennis Albert George | 30 |
| #2 | George Marshall Dennis Albert | 3 |
| #3 | Albert George Marshall Dennis | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU4886396A | A filter frame | |
| GB8827946D0 | Fluid filter assembly | |
| GB8827971D0 | Fluid filter | |
| GB8715714D0 | Combined high-efficiency fluid filter and activated carbon filter | |
| GB8628955D0 | Fluid filter | |
| GB8625160D0 | Activated carbon filter | |
| GB8603330D0 | Air filter element | |
| GB8603331D0 | Divided-bed fluid filter | |
| GB8424800D0 | Fluid filter | |
| GB8421113D0 | Filter element | |
| GB8408131D0 | Reinforced pleated filtering material | |
| GB8332093D0 | Air filter | |
| GB8327596D0 | Activated-carbon fluid filter | |
| GB8327595D0 | Activated-carbon fluid filter | |
| GB8327597D0 | Vacuum cleaner with a filter | |
| GB8324204D0 | Divided-bed fluid filter | |
| GB8319167D0 | Fluid filter element | |
| GB2120122A | Air filter element | |
| GB2119674A | Air filter element | |
| GB2110561A | Fluid filter |