Doucet; Charles
Patent Applications and Registrations
Patent applications and USPTO patent grants for Doucet; Charles.The latest application filed is for "method for cleaning filter elements and filter for implementing it".
- Doucet; Charles - 1224 Chene-Bougeries FR
- Doucet; Charles - 1224 Chene-Bougeries/Geneve CH
- Doucet; Charles - 1226 Thonex CH
- Doucet; Charles - Geneva CH
| Patent | Date |
|---|---|
| Method for cleaning filter elements and filter for implementing it Grant 5,152,895 - Doucet October 6, 1 | 1992-10-06 |
| Filter with superposed rings for filtering liquids Grant 4,707,259 - Doucet November 17, 1 | 1987-11-17 |
| Disc filter for liquids Grant 4,430,232 - Doucet February 7, 1 | 1984-02-07 |
| Filtration Of Fluids Grant 3,794,179 - Doucet February 26, 1 | 1974-02-26 |
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