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2012
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Invention
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Method for the real-time estimation of the total consumption of a fluid distributed to users, and... |
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Invention
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Method for extraction heat from an effluent, especially waste water, circulating in a conduit, he... |
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2011
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Invention
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Method for extracting heat from an effluent flowing in a duct, heat exchanger and system for carr... |
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Invention
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System for extracting heat from an effluent flowing in a duct, and heat exchanger for such a syst... |
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2010
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Invention
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Device for extracting heat from a wastewater collector and plant using such devices. The inventio... |
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Invention
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Method and device for connecting to a water distribution system. The invention relates to a metho... |
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Invention
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Method for replacing an underground lead pipe without digging a trench. The invention relates to ... |
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2008
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Invention
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Installation for removing heat from flowing water. The invention relates to an installation (1) f... |
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2006
|
Invention
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Process and plant for making use of groundwater. Process for making use of groundwater collected ... |
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2005
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Invention
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Heat exchanger and installation for extracting heat from waste water. A heat exchanger system ext... |
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Invention
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Method for restoring fluid pipes, particularly for drinking water. A method for restoring fluid p... |
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Invention
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Device for replacing pipes without trenching. The invention relates to a device which is mounted ... |
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1995
|
Invention
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Method of regulating aeration in a basin for bilogical treatment of wastewater. A method of regul... |
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1990
|
Invention
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Method and apparatus for increasing sludge concentration in water purification installations. A m... |
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Invention
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Method for regulating the residual free chlorine in water. A method for regulating the residual f... |
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1989
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Invention
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Apparatus for the disolution of ozone in a fluid. An apparatus for the dissolution of ozone in a ... |
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Invention
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Method of manufacturing a unit assembly of filter membranes, a mold used in the method, and a pro... |
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Invention
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Housing for fiber-bundle filter modules. A housing made of plastic material for hollow fiber filt... |
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Invention
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Filter module including a baffle for protecting a bundle of filter fibers. A filter module compri... |
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Invention
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Device for fixing a water meter on to a base and method relating thereto. Contact surfaces of a w... |
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Invention
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Method of fabricating a perforated plate for a hollow fiber separator apparatus, and devices obta... |
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1988
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Invention
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Device for connecting and supporting a water-meter. The device for connecting and supporting a wa... |
