Patents
Sitemap › E02 - Hydraulic engineering; Foundations; Soil-shifting › E02B - Hydraulic engineering › E02B 5 - Artificial water canals
Patents for E02B 5 - Artificial water canals (1,492)
08/1994
08/31/1994CN2175784Y Non-return type water header
08/18/1994WO1994017896A1 An apparatus for the separation of solids from flowing liquid
07/1994
07/26/1994CA1330957C Device for removing material screened or filtered out of a liquid flowing in a channel
07/19/1994US5330603 Continuous structure forming method
07/07/1994DE4243932A1 Protective grating for open channels
07/06/1994CN2170967Y Theft-proof full sealed type water gate device
06/1994
06/07/1994US5319187 Laser beam receivers and canal building laser devices
06/01/1994CN2167123Y Canal screen with automatically blocking and removing garbage
05/1994
05/26/1994WO1994011580A1 Process for hydraulically branching an open stream and canal branch with hydraulic operation
05/25/1994CN1087152A Apparatus for removing of objects seperated by grate from large amount of water
05/19/1994DE4238830A1 Verfahren zum hydraulischen Verzweigen einer offenen Strömung sowie hydraulisch arbeitende Kanalverzweigung A method for hydraulic branching of an open flow and hydraulically operated channel branching
05/11/1994EP0596332A1 Device for cleaning large quantities of water from debris
04/1994
04/27/1994EP0594167A1 Device for removing separable matter from a liquid flowing in a gutter
04/27/1994CN2163185Y Drainage valve for salt pan
03/1994
03/23/1994EP0587813A1 Apparatus for removing of particles from the bottom of water reservoirs and other water ways
03/15/1994CA1327708C Shoring assembly with load cells
02/1994
02/22/1994US5288018 Wall fountain apparatus
02/09/1994EP0581770A1 Screening rake.
02/02/1994CN2154870Y U-shape section concrete channel prefabricated components
01/1994
01/25/1994US5281051 Trench forming assembly and method
11/1993
11/24/1993CN2147265Y Compound fibre reinforced plastics plate type hydraulic controlling gate
11/24/1993CN2147264Y Automatic controlling gate
09/1993
09/15/1993CN1076234A Method for preventing frost crack of irrigation ditch with rigid facing
07/1993
07/21/1993CN1074501A Construction of slope drain in geologically unstable area
07/13/1993US5226748 Trench drain channel clip support
07/13/1993CA1320150C Device for removing waste material
06/1993
06/29/1993CA1319517C Ditch lining apparatus and method and product therefrom
06/02/1993EP0544096A1 Device for removing solid matter from a liquid flowing in a channel
05/1993
05/25/1993CA1318138C Method and apparatus for forming a continuous plastic sheet
05/11/1993CA1317473C Method and apparatus for forming a trench
04/1993
04/21/1993EP0537717A1 Wall fountain apparatus
04/05/1993CA2077468A1 Pin rack drive system for a climber-type mechanical bar screen rake
12/1992
12/23/1992CN2125609U Closed water gate
12/15/1992US5171436 Apparatus for the conveyance of screening
12/14/1992CA2070735A1 Bar screen cleaner with improved pin rack
12/10/1992WO1992021823A1 Apparatus for removing of particles from the bottom of water reservoirs and other water ways
12/09/1992EP0463083A4 Method and apparatus for forming a trench
11/1992
11/19/1992EP0463092A4 Apparatus for forming a trench
11/03/1992US5160221 Waterway liner
10/1992
10/20/1992CA2040858A1 Canal trimming machine
10/14/1992WO1992018221A1 Screening rake
10/11/1992CA2058643A1 Shield apparatus for travelling water screen
09/1992
09/08/1992US5145282 Continuous tubular structure forming and placing apparatus and method
06/1992
06/03/1992EP0488520A1 System and method for cleaning an intake screen disposed between a channel and a body of water
04/1992
04/07/1992US5102267 Machine for paving a canal bottom
01/1992
01/14/1992US5080532 Self-propelled machine for the concreting of ditches
01/07/1992US5078865 Appliance for the removal of rakings and/or screenings out of liquid flowing in a launder
01/02/1992EP0463092A1 Apparatus for forming a trench
01/02/1992EP0463083A1 Method and apparatus for forming a trench
11/1991
11/05/1991US5062740 Laminate forming and applying apparatus and method and product therefrom
10/1991
10/29/1991US5061116 Reinforced structural elements
10/22/1991US5059313 Conveyor rake sieve with hook-like plates
09/1991
09/17/1991US5049006 Continuous structure forming method and the resulting product
07/1991
07/23/1991US5034122 Self cleaning static bar grid
07/16/1991US5032263 Bar screen and rake apparatus
06/1991
06/19/1991EP0432959A2 Bar screening apparatus with improved rake
06/19/1991CN2079113U Anti-freezing anti-leaking laminated composite plate
06/15/1991CA2031794A1 Bar screening apparatus with improved rake
05/1991
05/29/1991CN2077744U Vertical net comb type dirt cleaning machine
05/15/1991CN2076993U Hydraulic structure one-way draw off valve
05/07/1991US5013184 Lock using air chambers
04/1991
04/30/1991US5011338 Canal trimming machine
03/1991
03/19/1991US5000621 Apparatus for forming a trench
02/1991
02/19/1991US4993878 Method and apparatus for forming a trench
02/18/1991CA2014433A1 Method and apparatus for lining a canal
02/06/1991CN2070772U Light valve for pond and reservoir
12/1990
12/25/1990US4979846 Contraction joint for concrete linings
10/1990
10/04/1990WO1990011405A1 Apparatus for forming a trench
10/03/1990EP0389816A2 Separator, particularly for sewage works
10/03/1990EP0389789A2 Device for removing solids from liquids flowing in a gutter
09/1990
09/30/1990CA2013521A1 Appliance for the removal of rakings and/or screenings out of a liquid flowing in a launder
09/18/1990WO1990011406A1 Method and apparatus for forming a trench
09/18/1990CA2048610A1 Method and apparatus for forming a trench
09/18/1990CA2048607A1 Apparatus for forming a trench
09/12/1990EP0386209A1 Self-propelled machine for the concreting of ditches.
09/11/1990US4955760 Laminate forming and applying apparatus and method and product therefrom
09/11/1990US4955759 Ditch lining apparatus and method and product therefrom
09/04/1990US4954019 Method and apparatus for lining a canal
08/1990
08/29/1990EP0384638A2 Drainage channel
08/15/1990CN2060454U Basing plate bucket gate
05/1990
05/15/1990US4925709 Net of plastic rings connected by connector means
05/09/1990EP0367085A2 Method and device for removing debris from grids
05/01/1990US4921599 Double-rack grating for use in wastewater
03/1990
03/29/1990DE3832782A1 Device for separating and collecting lumpy solid bodies, clods and the like in a fluid flow
03/22/1990DE3831099A1 Screen comprising wire cables
03/08/1990WO1990002227A1 Self-propelled machine for the concreting of ditches
01/1990
01/03/1990CN1006317B Self-progressive lining-brick laying machine for u-shaped cannels
12/1989
12/26/1989US4889629 Filter panel with parallel passages and mechanical filter screen comprising same
11/1989
11/22/1989CN1037372A One-step forming method of underground water conduit
11/07/1989US4878782 Drain channel alignment and installation apparatus
10/1989
10/31/1989US4877537 Pumping system for gates
10/10/1989US4872784 Ditch lining apparatus and method and product therefrom
08/1989
08/30/1989EP0221991B1 A device for collecting and discharging solid particles carried by flowing water
08/22/1989US4859322 Device for removing material screened or filtered out of a liquid flowing in a channel
06/1989
06/06/1989US4836919 Device for removing waste material screened or filtered out of liquid flowing throgh a channel
05/1989
05/09/1989US4828432 Apparatus for forming a continuous plastic sheet
05/03/1989CN2036965U Assemble and disassemble type hydraulic fabric aqueduct
05/02/1989US4826359 Structures of compacted materials composed of embankment fixed with a hydraulic binder and processes and machines for constructing them by compacting the slopes
12/1988
12/07/1988EP0293515A2 Device for removing solids from liquid flowing in a sewer
11/1988
11/29/1988US4787776 Earthen recess is covered by cloth coated with curable liquid silicone elastomer;
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