Patents
Sitemap › E02 - Hydraulic engineering; Foundations; Soil-shifting › E02B - Hydraulic engineering › E02B 1 - Equipment or apparatus for, or methods of, general hydraulic engineering
Patents for E02B 1 - Equipment or apparatus for, or methods of, general hydraulic engineering (1,282)
07/2001
07/05/2001WO2001048375A1 Method for transmission of fluid(variants)
06/2001
06/13/2001EP1105584A1 Water circulation
05/2001
05/16/2001CN1295536A Method and pump for impelling water in waters
05/15/2001US6231268 Apparatus and method for treatment of large water bodies by directed circulation
01/2001
01/10/2001EP1066220A1 Method and pump for impelling water in waters
01/09/2001US6171021 Method and apparatus for reducing the wake wash of vessels in shallow waters
12/2000
12/21/2000DE19927608A1 Tidal-powered water oxygenation assembly has no moving parts and requires little maintenance
12/20/2000CN1277291A Construction method utilizing controlled mud-rock flow
09/2000
09/28/2000WO2000056986A1 Fish protective water extraction method and apparatus
09/20/2000EP1009231A4 Flow inducer fish guide and method of using same
09/06/2000EP1033445A1 Method for preventing deterioration of submarine structure and ultrasonic vibration unit used for the method
08/2000
08/15/2000US6102619 Flow inducer fish guide and method of using same
07/2000
07/26/2000CN2389174Y Implement for preventing water from evaporating
06/2000
06/21/2000EP1009231A1 Flow inducer fish guide and method of using same
04/2000
04/12/2000CN1250126A Method of depositing fast solidifying material to eliminate piping and utilizing rotating spray to strength dykes
02/2000
02/24/2000WO2000009821A1 Water circulation
02/09/2000EP0788446B1 Method for inhibition of growth of organisms on faces of constructions submerged in a liquid
12/1999
12/01/1999CN1236846A Siphon-type flow path for underground water reservoir
11/1999
11/25/1999DE19822853A1 Apparatus for removing living creatures from water courses
11/10/1999CN2348006Y Chain bucket ditching machine
11/09/1999CA2193266C Oil retention barrier
10/1999
10/26/1999US5971660 Extensible barriers fitted on beam, mobile and detachable,of mechanical, pneumatic or hydraulic type
10/12/1999CA2065073C Method and equipment for maintaining ice-free locks
09/1999
09/30/1999WO1999048818A1 Method and pump for impelling water in waters
09/30/1999CA2326112A1 Method and pump for impelling water in waters
08/1999
08/10/1999US5934827 Regeneration of tidal mud flats
07/1999
07/29/1999DE19802979A1 Guard grids at the water inflow to power station turbines
07/14/1999CN1222610A Comprehensive scheme of controlling flood, preventing drought and preventing soil erosion
06/1999
06/22/1999US5913636 Ocean waves producing means
06/17/1999DE19753397A1 Freezing prevention cover for fishing lake or fish farm
05/1999
05/27/1999WO1999025929A1 Method for preventing deterioration of submarine structure and ultrasonic vibration unit used for the method
05/27/1999WO1999025609A1 Method and apparatus for use of gases in liquids
04/1999
04/28/1999CN1215113A Ultrahigh-water head lock
04/20/1999US5894808 Floating deposit removal system
04/13/1999US5893233 Displacement of zebra mussels
03/1999
03/11/1999WO1998056241A3 Flow inducer fish guide and method of using same
02/1999
02/09/1999US5868920 Control signal changes the current density whereby ph of liquid on the face of structure varies so that microbial organisms cannot adapt themselves to changing conditions
12/1998
12/23/1998CN1041336C Potential energy small-mouth self-water-supply reservoir
12/17/1998WO1998056241A2 Flow inducer fish guide and method of using same
11/1998
11/11/1998EP0759108B1 Regeneration of tidal mud flats
11/03/1998US5829917 Tidal system and method for cleansing a harbor
08/1998
08/19/1998CN1190688A Drum type ship lock
08/05/1998CN2287169Y Three dimension coordinate sampling device for arc dam
05/1998
05/13/1998CN1181439A Flood-proof drought-resisting planting method with round room protective screen
04/1998
04/15/1998CN2278714Y Pool top cover form
03/1998
03/04/1998EP0615504B1 Cleaning and etching methods utilising acoustic fields
12/1997
12/11/1997DE19636246C1 Device for diverting fish from power plant cooling water inlet channel
08/1997
08/13/1997EP0788446A1 Method for inhibition of growth of organisms on faces of constructions submerged in a liquid
05/1997
05/07/1997CN1149094A Planning and designing method for buildings crossing over channels for irrigation in fields
03/1997
03/13/1997DE19533370A1 Process and assembly mineralise entire sludge load in eutrophic surface waters
02/1997
02/26/1997EP0759108A1 Regeneration of tidal mud flats
10/1996
10/29/1996US5569416 Apparatus for aerating fish ponds and lakes
10/22/1996US5567078 Method for forming a flood preventive barrier along a river
10/01/1996CA2099747C Alternate intake pipe system to eliminate zebra mussel colonization
09/1996
09/25/1996CN2235985Y Large irrigation-work channel structure
09/24/1996US5558462 Flat plate fish screen system
08/1996
08/29/1996DE19506991A1 Homogenisation, grading and discharge/extraction of water sludges
08/28/1996CN2233943Y Steel die for pool moulding
07/1996
07/30/1996CA2088467C Method and apparatus for adaptive ice control
07/18/1996DE19502637C1 Method of deflecting fish from cool water inlet of power station
06/1996
06/27/1996DE4445685A1 Test system for testing environmental influences and/or contaminations in waters
05/1996
05/09/1996WO1996013425A1 Method for inhibition of growth of organisms on faces of constructions submerged in a liquid
03/1996
03/13/1996CN1118398A Water conservation
02/1996
02/07/1996CN1116261A Water storage method for agricultural irrigation
01/1996
01/09/1996US5481815 Apparatus for treating sediment in a water body
12/1995
12/26/1995US5478208 Submersed jet pump method for generating a stream of water
11/1995
11/23/1995WO1995031608A1 Regeneration of tidal mud flats
11/02/1995EP0679133A1 Antifouling/anticorrosive composite marine structure
08/1995
08/24/1995DE4404976A1 Device for separation of water-born animal life and substances
08/16/1995CN1106876A Small-mouth self-water-supply reservoir
05/1995
05/23/1995US5417550 Submersed jet pump for generating a stream of water
03/1995
03/22/1995CN2192652Y Turn-on water horizontal pipe device
01/1995
01/31/1995US5385428 Water intake fish diversion apparatus
01/12/1995WO1995001230A1 Method and device for sediment detoxification
12/1994
12/07/1994CN1026908C Construction method of inverted filter on mortar-storage dam
10/1994
10/11/1994US5354603 Water-permeable non-woven fibrous web containing entrapped active materials which are toxic to marine organisms
09/1994
09/21/1994EP0615504A1 Cleaning and etching methods utilising acoustic fields
08/1994
08/09/1994US5336018 Tidal system and method for cleansing a harbor
07/1994
07/21/1994WO1994015829A1 Antifouling/anticorrosive composite marine structure
07/21/1994CA2150721A1 Antifouling/anticorrosive composite marine structure
06/1994
06/09/1994WO1994012733A1 Process for reducing sedimentation in harbour or canal installations
10/1993
10/27/1993EP0566936A1 Aquatic antifouling mortar composition
10/26/1993US5255999 Water-level control device
10/19/1993US5253954 Alternate intake pipe system to eliminate zebra mussel colonization
09/1993
09/01/1993EP0557630A1 Total water circulating system for shallow water areas
08/1993
08/03/1993US5232309 Method and equipment for maintaining ice-free locks
07/1993
07/22/1993WO1993011996A3 Cleaning and etching methods utilising acoustic fields
06/1993
06/24/1993WO1993011996A2 Cleaning and etching methods utilising acoustic fields
05/1993
05/18/1993US5211508 Total water circulation system for shallow water areas
05/13/1993DE4221086A1 Machine for removing deposits from underwater surfaces - pumps surrounding liquid through jet nozzle and removes resulting mixture by action of adjacent suction nozzle
04/1993
04/20/1993US5203643 To produce water movements to reduce surface ice formations
02/1993
02/23/1993US5188663 A mixture of 4-isothiazolin-3-one compound and dithiocarbamic acid derivatives; antiscaling agents; nontoxic
01/1993
01/26/1993US5182007 Stain preventing method
12/1992
12/16/1992CN1067084A Method for separating mud and sand in water conservancy and power projects
11/1992
11/04/1992CN1065896A Open grade inverted filter technique for asphalt concrete
11/03/1992US5160216 Drainage distribution amount determining method and drainage system
11/03/1992US5160036 Automatic pollution containment and alert apparatus for liquid drainages
10/1992
10/06/1992US5152637 Device for eliminating marine life from water intake covers
08/1992
08/19/1992CN2113295U Special purpose construction car for high pressure spraying grouting
04/1992
04/21/1992US5106230 Method and apparatus for inducing artificial oceanographic upwelling
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