Patent assignee · FR · COMPANY

Suez Lyonnaise des Eaux

12Patents
0Active
12Granted
30Portfolio score

Filing activity: Mar 31, 2000 → Oct 1, 2003

Most-cited patents

PatentTitleAreaCited byStatus
US6527956B1 Method for regulating aeration during waste water biological treatment Emerging Cross-Sectional Technologies 18 Expired
US6644356B1 Rehabilitation of water supply pipes Emerging Cross-Sectional Technologies 13 Expired
US6387648B1 Method for adjusting and disinfecting liquids Chemistry; Metallurgy 8 Expired
US6370943B1 Process for monitoring the integrity of hollow fiber filtration modules Physics 7 Expired
US6857451B1 Rehabilitation of water supply pipes Performing Operations; Transporting 6 Expired
US6808879B1 Means for qualitative and quantitative analysis of microbial populations potentially present in a sample Chemistry; Metallurgy 6 Expired
US6309548A Method for controlling and managing the biomass store of biological installations treating waste water Emerging Cross-Sectional Technologies 5 Expired
US6505744B1 Solid-liquid separation equipment in particular for biological purification of wastewater Emerging Cross-Sectional Technologies 5 Expired
US6589428B1 Waste water treatment using activated sludge process Emerging Cross-Sectional Technologies 1 Expired
US6290850A Method for controlling aeration systems of biological tanks treating waste water Emerging Cross-Sectional Technologies 1 Expired
US6899141B2 Rehabilitation of water supply pipes Emerging Cross-Sectional Technologies 1 Expired
US6375845B1 Method for evaluating and controlling the biomass contained in waste water treatment biological tanks Emerging Cross-Sectional Technologies 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.