| 7678278 |
Method of treating water with an inorganic powder reagent |
Abdelkader Gaid, Pascal Roche |
2010-03-16 |
| 7311841 |
Method for treating water by ballasted flocculation and decantation |
Claus Dahl, Joseph E. Zuback |
2007-12-25 |
| 7244362 |
Water treatment by ballasted flocs and degreasing |
— |
2007-07-17 |
| 7083715 |
Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc |
— |
2006-08-01 |
| 7001525 |
Method for the treatment of water by ballasted flocculation and gravity separation with variable function modes |
Valery Ursel |
2006-02-21 |
| 6966993 |
Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc |
— |
2005-11-22 |
| 6824692 |
Installation for measuring concentration in dense granular material of a flow and water treatment system comprising same |
Stanislas Rineau |
2004-11-30 |
| 6645386 |
Water treatment method by ballasted floc including a recycling of granular material |
Pascal Moreau, Genevieve Boissonnade |
2003-11-11 |
| 6010631 |
Method and installation for treating an untreated flow by simple sedimentation after ballasting with fine sand |
Francoise Delsalle, Nicolas Lepoder |
2000-01-04 |
| 5840195 |
Method and installation for treating an untreated flow by simple sedimentation after ballasting with fine sand |
Francoise Delsalle, Nicholas Lepoder |
1998-11-24 |
| 5770091 |
Method of plain sedimentation and physical-chemical sedimentation of domestic or industrial waste water |
Valery Ursel, Michel Badard |
1998-06-23 |
| 5730864 |
Installation for treating an untreated flow by simple sedimentation after ballasting with fine sand |
Francoise Delsalle, Nicholas Le Poder |
1998-03-24 |
| 5725757 |
Reactor for UV radiation for the treatment of liquids |
— |
1998-03-10 |
| 5290700 |
Cell culture device |
Dominique Cognard, Frederic Dufau, Jean Hache |
1994-03-01 |