| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Brazil | 4 | |
| #3 | Germany | 3 | |
| #4 | France | 3 | |
| #5 | Australia | 2 | |
| #6 | Canada | 2 | |
| #7 | United Kingdom | 2 | |
| #8 | Italy | 2 | |
| #9 | Mexico | 2 | |
| #10 | Denmark | 1 | |
| #11 | EPO (European Patent Office) | 1 | |
| #12 | Spain | 1 | |
| #13 | Japan | 1 | |
| #14 | Netherlands | 1 | |
| #15 | Norway | 1 | |
| #16 | Sweden | 1 | |
| #17 | WIPO (World Intellectual Property Organization) | 1 | |
| #18 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Basic materials chemistry | |
| #5 | Environmental technology | |
| #6 | Electrical machinery and energy | |
| #7 | Control | |
| #8 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilson Michael E | 10 |
| #2 | Murphy Roger H | 8 |
| #3 | Stone Walter H | 7 |
| #4 | Macdonald Robin B | 7 |
| #5 | Schaupp Richard E | 6 |
| #6 | Olson David R | 6 |
| #7 | Bettencourt Eric J | 2 |
| #8 | Richards Mark Stephen | 2 |
| #9 | Wilson Michael Edward | 2 |
| #10 | Stone Walter Henry | 2 |
| Publication | Filing date | Title |
|---|---|---|
| FR2601600A1 | Cartridge liquid fuel filtering assembly | |
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| US4298465A | Fuel filter and water separator apparatus | |
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| ZA7501988B | Fluid separation apparatus | |
| AU6999774A | Fluid separation apparatus |