| Patents for E02B 5 - Artificial water canals (1,492) |
|---|
| 09/01/1999 | EP0688236B1 An apparatus for the separation of solids from flowing liquid |
| 08/31/1999 | CA2009660C Lock using air chambers |
| 08/26/1999 | WO1999042668A1 Separating grid |
| 08/17/1999 | US5937849 Covered canal or aqueduct having an integral solar energy concentrating system |
| 07/29/1999 | DE19802979A1 Guard grids at the water inflow to power station turbines |
| 07/20/1999 | US5925754 Epsilon caprolactam compositions |
| 07/13/1999 | US5922195 Water filtration |
| 06/02/1999 | CN1218526A Revetement for bank |
| 05/11/1999 | CA2219544C Water filtration system for control of the zebra mussel |
| 04/28/1999 | EP0910707A1 Stepped filtration device for mechanically separating solids from liquids |
| 04/21/1999 | EP0805939A4 A roof having an integral solar energy concentrating system |
| 04/14/1999 | EP0908214A2 Trash rack with non-metallic reinforcing rods |
| 04/06/1999 | CA2108253C Screening rake |
| 03/16/1999 | US5882145 Method for controlling expansion and contraction of trench liners |
| 03/11/1999 | WO1999011878A1 Pollutant interceptor |
| 03/09/1999 | US5879106 Method and apparatus for controlling expansion and contraction of trench lines having lateral extensions |
| 03/03/1999 | EP0898624A1 Revetement for a bank |
| 02/25/1999 | WO1999009297A1 Process for constructing intake pipe |
| 02/24/1999 | CN2308634Y Microgrille solid/liquid separating machine |
| 01/31/1999 | CA2241047A1 Portable water conveyance assembly |
| 01/13/1999 | EP0890708A1 Method, system and device for building a wall in the ground |
| 01/13/1999 | EP0890707A1 Method, system and device for building a wall in the ground |
| 01/12/1999 | US5858235 Sludge dehydrating press having cylindrical inner screen case |
| 12/10/1998 | WO1998055699A1 Screen cleansing apparatus |
| 11/25/1998 | EP0879144A1 Structure forming method and apparatus |
| 11/25/1998 | CN1200159A Concrete product for afforestation |
| 11/12/1998 | WO1998050638A1 Stepped filtration device for mechanically separating solids from liquids |
| 11/12/1998 | DE19719371A1 Vorrichtung zur maschinellen Feststoffseparation aus Flüssigkeiten Apparatus for mechanically separating solids from liquids |
| 10/22/1998 | WO1998046564A1 Epsilon caprolactam compositions and byproducts |
| 10/22/1998 | DE19714566A1 Water inlet rack for hydro-electric power station |
| 10/22/1998 | CA2286071A1 Epsilon caprolactam compositions and byproducts |
| 09/22/1998 | US5810513 Method and apparatus for preventing trench overflows behind trench liners |
| 09/15/1998 | US5806252 Waterproofing system for hydraulic structures with rigid sheets in synthetic material |
| 09/08/1998 | US5803662 For installing a channel capable of receiving runoff from athletic surfaces |
| 09/02/1998 | CN2289828Y Dirt removing machine for dirt screen |
| 09/01/1998 | US5800077 Method and apparatus for monitoring a hydroelectric facility trash rack |
| 08/18/1998 | US5795467 Adjustable inlet for waste water treatment apparatus |
| 08/05/1998 | CN1189559A Tech. for clearing reservoir sedimentation by pipeline delivery and digging bar |
| 06/23/1998 | US5770055 Strainer for removing particles from effluent |
| 04/22/1998 | CN1179808A Roof having integral solar energy concentrating system |
| 03/10/1998 | US5725716 Structure forming method and apparatus |
| 01/22/1998 | WO1998002624A1 Method and apparatus for controlling expansion and contraction of trench liners |
| 12/23/1997 | US5700345 Continuous structure forming apparatus |
| 11/20/1997 | WO1997043487A1 Revetment for a bank |
| 11/13/1997 | DE19718414A1 Method of lining ship canal |
| 11/12/1997 | EP0805939A2 A roof having an integral solar energy concentrating system |
| 08/20/1997 | CN1157357A Device for cyclic utilization of lock chamber water |
| 08/05/1997 | US5653553 Drainage channel and associated method |
| 07/23/1997 | EP0682551B1 Strainer for removing particles from effluent |
| 07/01/1997 | US5643458 Sludge dehydrating press and method for treating sludge |
| 07/01/1997 | US5642963 Spillway gate system |
| 06/24/1997 | US5641249 Aggregate extruder |
| 06/17/1997 | US5639331 Method for continuously forming structure from resin, particles, and porous blanket |
| 06/12/1997 | WO1997020991A1 Drainage channel and associated method |
| 05/28/1997 | EP0775781A1 Waterproofing system for hydraulic structures with rigid sheets in synthetic material |
| 04/23/1997 | CN1148121A Water flow guiding method for narrow river bed |
| 04/02/1997 | CN2250977Y Eddy preventing and eliminating screen |
| 03/20/1997 | WO1997010389A1 Filter |
| 02/13/1997 | WO1997005338A1 Separator |
| 12/04/1996 | EP0745728A1 Lock gate |
| 11/07/1996 | WO1996034743A1 Structure forming method and apparatus |
| 10/22/1996 | US5567079 Method for the hydraulic branching of an open stream and hydraulically working channel branch |
| 10/15/1996 | US5564410 Roof having an integral solar energy concentrating system |
| 09/26/1996 | WO1996024012A3 A roof having an integral solar energy concentrating system |
| 08/08/1996 | WO1996024012A2 A roof having an integral solar energy concentrating system |
| 08/08/1996 | CA2211881A1 A roof having an integral solar energy concentrating system |
| 08/06/1996 | US5543006 Continuous structure forming method |
| 07/24/1996 | EP0673456B1 Process for hydraulically branching an open stream and canal branch with hydraulic operation |
| 07/17/1996 | CN1126787A Liquid-repellant covering layer and method for the manufacture of such covering layer |
| 07/17/1996 | CA2140317A1 Beaver dam culvert block |
| 05/22/1996 | EP0688236A4 An apparatus for the separation of solids from flowing liquid |
| 04/17/1996 | CN1120817A An apparatus for the separation of solids from flowing liquid |
| 03/05/1996 | US5496434 Structure forming apparatus |
| 02/22/1996 | DE19528725A1 Verfahren zur Oberflächendichtung für Erdbaukörper im Wasserbau A method for surface sealing for Erdbaukörper in hydraulic |
| 02/01/1996 | DE19525883A1 Device for applying sealing or reinforcing clay layers to river or canal bed |
| 12/27/1995 | EP0688904A1 Lock gate |
| 12/27/1995 | EP0688236A1 An apparatus for the separation of solids from flowing liquid |
| 11/29/1995 | CN1112523A Sludge dehydrating press and method for treating sludge |
| 11/22/1995 | EP0682551A1 Strainer for removing particles from effluent. |
| 11/16/1995 | WO1995030543A1 Structure forming method, apparatus and the product |
| 11/16/1995 | WO1995030542A1 Structure forming method, apparatus and the resulting product |
| 11/16/1995 | WO1995030541A1 Structure forming method, apparatus and resulting product |
| 11/15/1995 | EP0581770B1 Screening rake |
| 11/08/1995 | CN1111317A Coiled well screen |
| 09/27/1995 | EP0674095A2 Well screen with coiled element |
| 09/27/1995 | EP0673456A1 Process for hydraulically branching an open stream and canal branch with hydraulic operation. |
| 07/26/1995 | CN1105727A Passway capable of making decentralized drift wood automatically flow over dam |
| 07/19/1995 | EP0663227A1 Sludge dehydrating press and method for treating sludge |
| 06/14/1995 | CN1103691A Branching system for flow of water in open channel |
| 06/06/1995 | US5422000 Device for cleaning large quantities of water from rakings |
| 06/01/1995 | DE19501953A1 Barring=off equipment for water turbine intake grille |
| 03/22/1995 | CN2192654Y Automatic cleaning filter |
| 03/22/1995 | CN2192653Y Assembly irrigation ditch steep slope |
| 02/28/1995 | US5393171 Trench forming assembly and method |
| 02/22/1995 | CN1099082A Method for dredging river for water transport, navigation and making land |
| 02/07/1995 | US5387336 Screening rake |
| 11/02/1994 | EP0386209B1 Self-propelled machine for the concreting of ditches |
| 10/27/1994 | WO1994024373A1 Strainer for removing particles from effluent |
| 09/21/1994 | CN1025966C Slope drain canal construction method for non-stable geology area |
| 09/20/1994 | US5348421 Trench forming assembly and method |