Veolia WTS Systems USA Inc
Veolia WTSActive Patents
0
Total Holdings
23
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3964985A | Electrodialysis apparatus and process for ion modification | Expired / Lapsed | 1974-10-29 | 1976-06-22 | 7 | Details |
| US3896015A | Method and apparatus for separating weakly ionizable substa… | Expired / Lapsed | 1968-07-24 | 1975-07-22 | 15 | Details |
| US3887499A | Cation exchange membranes having carboxylic and sulfonic ac… | Expired / Lapsed | 1973-08-23 | 1975-06-03 | 2 | Details |
| US3562139A | Cationic-anionic ion-exchange membrane | Expired / Lapsed | 1968-08-05 | 1971-02-09 | 0 | Details |
| US3520803A | Membrane fluid separation apparatus and process | Expired / Lapsed | 1968-12-24 | 1970-07-21 | 0 | Details |
| US3412006A | Ion-exchange membranes | Expired / Lapsed | 1965-01-11 | 1968-11-19 | 0 | Details |
| US3398091A | Membrane separation apparatus and process | Expired / Lapsed | 1966-08-09 | 1968-08-20 | 0 | Details |
| US3356607A | Reinforced ion-exchange membranes | Expired / Lapsed | 1964-07-22 | 1967-12-05 | 2 | Details |
| US3268441A | Water recovery by electrodialysis | Expired / Lapsed | 1963-05-21 | 1966-08-23 | 1 | Details |
| US3152013A | Fuel cell | Expired / Lapsed | 1960-05-17 | 1964-10-06 | 2 | Details |
| US2854792A | Method and apparatus for propagating algae culture | Expired / Lapsed | 1956-09-20 | 1958-10-07 | 2 | Details |
| US2848403A | Process for electrodialyzing liquids | Expired / Lapsed | 1954-05-06 | 1958-08-19 | 2 | Details |
| US2780604A | Mono (chloromethyl) styrene, its derivatives, and ion-excha… | Expired / Lapsed | 1953-01-22 | 1957-02-05 | 2 | Details |
| US2741595A | Construction of cells for electrodialysis | Expired / Lapsed | 1952-04-24 | 1956-04-10 | 2 | Details |
| US2731408A | Electrically conductive membranes and the like comprising c… | Expired / Lapsed | 1952-01-25 | 1956-01-17 | 2 | Details |
| US2730768A | Method of manufacturing electrically conductive membranes a… | Expired / Lapsed | 1951-12-05 | 1956-01-17 | 2 | Details |
| US2731411A | Electrically conductive membranes and the like comprising t… | Expired / Lapsed | 1951-12-05 | 1956-01-17 | 2 | Details |
| US2708658A | Apparatus for removing electrolytes from solutions | Expired / Lapsed | 1952-07-18 | 1955-05-17 | 2 | Details |
| US2702272A | Electrolytically conductive membrane | Expired / Lapsed | 1951-06-02 | 1955-02-15 | 2 | Details |
| US2694680A | Transfer of electrolytes in solution | Expired / Lapsed | 1952-08-30 | 1954-11-16 | 2 | Details |
| US2636851A | Ion-exchange materials and method of making and using the s… | Expired / Lapsed | 1949-07-09 | 1953-04-28 | 4 | Details |
| US2594777A | Ion controller | Expired / Lapsed | 1950-07-14 | 1952-04-29 | 0 | Details |
| US2589613A | Ion controller | Expired / Lapsed | 1950-06-19 | 1952-03-18 | 0 | Details |