US5221470B1
(en )
1997-02-25
Apparatus for treating waste water
ZA972974B
(en )
1999-01-08
Portable potable water recovery and dispensing apparatus
TW295258U
(en )
1997-01-01
Apparatus for determining fluid flow
EP0504597A3
(en )
1992-11-04
Water purifying apparatus
EP0505125A3
(en )
1993-02-03
Water purifying apparatus
FR2714847B1
(en )
1996-02-16
Device for purifying fluid and in particular water.
GB2267749B
(en )
1995-06-28
Apparatus for fluid drainage
EP0531955A3
(en )
1993-07-21
Method and apparatus for the determination of nitrification activity in a waste water stream or basin and its application
EP0493599A4
(en )
1993-01-07
Apparatus for automatically switching pipe lines in liquid processing plant
GB2268264B
(en )
1996-09-11
Method and apparatus for determining the physical characteristics of a water flow
HU910044D0
(en )
1991-08-28
Liquid flow operated overlifting apparatus mainly for collecting and delivering sewage water
CS135788A2
(en )
1991-08-13
Device for liquid's through-flow checking in through-flow pipe-lines
PL316208A1
(en )
1996-12-23
Filtering apparatus especially for reducing water content in a sludge
GB9125595D0
(en )
1992-01-29
Liquid flow in pipes
GB9512674D0
(en )
1995-08-23
Method and apparatus for measuring the water fraction in a multiphase fluid flow
PL280940A1
(en )
1991-02-11
Apparatus for pumping in water at variable flow rate
ZA912041B
(en )
1991-12-24
Removable filter fluid flow shutoff apparatus
GB9211117D0
(en )
1992-07-08
Water conserving irrigation system and apparatus
HUT56930A
(en )
1991-10-28
Apparatus for material-transmitting respectively material-separating grated structures usable in water and sewage purification
HU910358D0
(en )
1991-08-28
Apparatus for changing liquid flow
PL290302A1
(en )
1992-11-30
Apparatus for filtering and magnetohydrodynamically treating liquids, in particular water
PL286543A1
(en )
1992-02-24
Apparatus for recultivating lakes and water reservoirs
IL103149A0
(en )
1993-02-21
Apparatus for treating liquids particularly waste water
GB9119115D0
(en )
1991-10-23
Controllable waste water outlet
PL271238A1
(en )
1989-09-18
Flow meter for liquids in particular water