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LYONNAISE EAUX ECLAIRAGE

Overview
  • Total Patents
    113
About

LYONNAISE EAUX ECLAIRAGE has a total of 113 patent applications. Its first patent ever was published in 1915. It filed its patents most often in France, EPO (European Patent Office) and United States. Its main competitors in its focus markets environmental technology, chemical engineering and machines are OMNIUM TRAITEMENT VALORISA, DEGREMONT and MICROBAR INC.

Patent filings per year

Chart showing LYONNAISE EAUX ECLAIRAGEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Espenan Jean-Michel 13
#2 Aptel Philippe 9
#3 Audic Jean-Marc 8
#4 Duguet Jean-Pierre 8
#5 Mallevialle Joel 7
#6 Cognet Louis 6
#7 Baudin Isabelle 6
#8 Brodard Eric 5
#9 Fiessinger Francois 5
#10 Faup Gerard 4

Latest patents

Publication Filing date Title
CA2397318A1 Method for fixing and immobilising a catalyst on a support
WO9713727A1 Method and device for biologically treating liquids in the presence of particles forming a floating bed
WO9705068A1 Method for removing heavy metals from liquid effluents
GB9522451D0 Apparatus using ultrasound to measure the wall thickness of water pipework
US5624565A Method of Regulating Aeration in a basin for bilogical treatment of wastewater
FR2731421A1 Heavy metal removal from liq. waste, e.g. water for scrubbing flue gases from incinerators
CA2007454A1 Process for controlling the free residual chlorine content in water
CA2005630A1 Apparatus for dissolving ozone in a fluid
CA2004319A1 Organic porous material manufacturing process, namely an organic semi-permeable membrane with spaced lengthwise multi-channels
CA2004321A1 Entrusion die to produce organic material membranes with at least one lengthwise channel
CA2004320A1 Organic porous material manufacturing process namely an organic semi-permeable membrane with spaced lengthwise multi-channels
EP0375481A1 Process for manufacturing a unified filtration membrane set, used form and product manufactured in this way
EP0370858A1 Filtration module with a baffle protecting the filtration fibre bundle
EP0335760A1 Tubular sealing plate manufacturing process for hollow fibre separation apparatus and devices
US4916317A Method and a device for detecting changes in a surface state and for monitoring the surface state
EP0309352A1 Process and installation for increasing the sludge concentration in waste-water treatment plants
EP0309331A1 Process and apparatus for making a bundle of filaments, particularly of hollow semi-permeable fibres
DE3734091A1 Process for converting wastes containing organic materials
DK592386D0 Arrangement of compound filtering membranes
EP0224496A1 Composite assembly of filtering membranes.