| Patents for E02B 8 - Details of barrages or weirs (2,159) |
|---|
| 05/07/1985 | US4515519 Raking apparatus |
| 03/14/1985 | WO1985001075A1 Improvements in or relating to river control structures |
| 11/27/1984 | US4484836 Pneumatic spar sediment control curtain |
| 05/16/1984 | EP0108717A2 Apparatus for cleaning sewage |
| 05/08/1984 | US4447323 Trash rake with recovery gutter |
| 04/04/1984 | EP0104222A1 Cleaning apparatus for separation screen |
| 03/20/1984 | US4437431 Method and apparatus for diversion of downstream migrating anadromous fish |
| 02/14/1984 | US4431340 Fish elevator and method of elevating fish |
| 01/18/1984 | EP0098820A2 A device adapted to collect and to discharge solid matter |
| 10/13/1983 | WO1983003372A1 Cleaning apparatus for separation screens |
| 09/28/1983 | EP0089890A1 Process and device for the protection of a shield in touch with a mass of liquid against the variation of dynamic pressure |
| 08/02/1983 | US4396511 Cleaning apparatus for curved filter screens |
| 07/26/1983 | CA1150640A1 Cleaning apparatus for curved filter screens |
| 07/12/1983 | US4392952 Bar screen with screen cleaner for waste water treatment installations |
| 05/25/1983 | EP0079601A1 Apparatus for sewage clarification |
| 04/12/1983 | CA1144381A1 Dams or barrages |
| 01/11/1983 | US4368121 Flotation chamber with froth separating cavity |
| 01/11/1983 | CA1139116A1 Sluice ducts |
| 01/05/1983 | EP0068449A1 Device for clearing a sieve or a screen |
| 10/12/1982 | US4353797 Device for purifying liquids, particularly water |
| 10/05/1982 | US4352593 Dam spillway |
| 06/01/1982 | CA1124531A1 Sluice gate |
| 04/13/1982 | US4324506 Self-regulating fluid control valves |
| 10/27/1981 | CA1111264A1 Downward vortex dissipator basin |
| 09/23/1981 | EP0036228A2 Device for purifying liquids, particularly water |
| 07/21/1981 | US4279539 Dam with transformable hydroenergetic arrangement |
| 07/07/1981 | US4277335 Dirt or dust remover |
| 05/05/1981 | US4265750 Bar screen filtering device |
| 04/07/1981 | US4260286 Integrated fish migration system |
| 01/13/1981 | CA1093421A1 Storm overflow basin |
| 10/07/1980 | US4226553 Slide gates for water and sewage treatment plants |
| 09/30/1980 | US4225434 Storm overflow basin |
| 07/29/1980 | US4214989 Apparatus for cleaning a screen disposed in a water channel |
| 04/01/1980 | CA1074758A1 Sewage treatment |
| 03/25/1980 | CA1074143A1 Injection sealable waterstop and method of installing same |
| 02/12/1980 | US4188294 Rotary filter apparatus |
| 01/22/1980 | US4184957 Sewage treatment |
| 01/08/1980 | CA1069443A1 Double screen solids removal from liquid |
| 12/04/1979 | US4176984 Fish holding pan on traveling water screen and method of flushing same |
| 10/16/1979 | CA1064405A1 Rake for cleaning bar screens in water courses |
| 04/03/1979 | US4147450 Fixed dredge cleanout means |
| 02/07/1979 | EP0000467A1 Spiked rakes with cleaning device for sewage treatment plants |
| 02/06/1979 | US4138343 Apparatus for removing debris during sewage treatment |
| 02/06/1979 | US4138334 Trash collector |
| 08/29/1978 | US4110216 Apparatus for collecting debris floating in a stream |
| 07/11/1978 | US4099610 Endless power-driven conveyor with discharge comb |
| 05/30/1978 | US4091624 Self-regulating fluid control valve |
| 03/28/1978 | US4080982 Sleeve valve |
| 02/21/1978 | US4074535 Self-cleaning fixed dredge |
| 08/16/1977 | US4042506 Apparatus for removing solid material from sewage or other liquid |
| 08/16/1977 | US4041665 Injection sealable waterstop and method of installing same |
| 08/02/1977 | US4039040 Storage assemblies |
| 01/04/1977 | US4000858 Method and apparatus for screening and comminuting device |
| 12/21/1976 | US3998426 Clamshell-type hydraulic flow control gate |
| 12/14/1976 | US3996750 Flat throttling gate |
| 08/17/1976 | US3974654 Self-regulating tide gate |
| 06/15/1976 | US3962876 Fishway |
| 02/17/1976 | US3938340 Fish holding chamber |
| 01/27/1976 | US3934614 Energy dissipator ring |