LYONNAISE EAUX DUMEZ has a total of 17 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Canada, United States and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, chemical engineering and machines are WATERLEIDING FRIESLAND NV, NORWALK WASTEWATER EQUIPMENT C and DHV WATER BV.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 4 | |
#2 | United States | 4 | |
#3 | EPO (European Patent Office) | 3 | |
#4 | Italy | 2 | |
#5 | Belgium | 1 | |
#6 | France | 1 | |
#7 | United Kingdom | 1 | |
#8 | Japan | 1 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Chemical engineering | |
#3 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Anselme Christophe | 5 |
#2 | Audic Jean-Marc | 4 |
#3 | Daniel Loic | 4 |
#4 | Alric Gedeon | 3 |
#5 | Manem Jacques | 3 |
#6 | Blanc Joelle | 2 |
#7 | Fayoux Christian | 2 |
#8 | Galvez Laure | 2 |
#9 | Gedeon Alric | 1 |
#10 | Baudin Isabelle | 1 |
Publication | Filing date | Title |
---|---|---|
CA2126156A1 | Biological treatment of wastewater and facilities for its application | |
US5364534A | Process and apparatus for treating waste liquids | |
CA2085454A1 | Process for biological treatment of impurity-loaded liquids | |
ITTO920082D0 | Process for the countercurrent washing of tubular filtering membranes and equipment for performing the process | |
GB9121770D0 | A method of backwashing tubular filter membranes, and apparatus for implementing the method | |
EP0459868A1 | Process for removing dissolved metals from water | |
FR2669916A1 | Method for the biological degradation of fat and grease waste. | |
US5066402A | Method of changing operating modes in automatic water filtering apparatus using tubular membranes | |
EP0370859A1 | Casing for fibre bundle filtration modules |