Patents for A01D 44 - Harvesting of underwater plants, e.g. harvesting of seaweed (500) |
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04/28/1996 | CA2134515A1 Euphausiid harvesting and processing method and apparatus |
02/27/1996 | US5493850 Lake bottom plant and debris gathering apparatus with improved actuation and cleaning of raking mechanism |
01/30/1996 | US5487258 Water hyacinth removal apparatus and method |
01/09/1996 | US5481856 Method and apparatus for cutting aquatic vegetation |
01/06/1996 | CA2127395A1 Aquatic weed harvester |
12/19/1995 | US5475970 Aquatic vegetation separator |
12/05/1995 | US5472569 Paper comprising cellulose fiber and seaweed particles in integral form |
11/09/1995 | WO1995022893A3 Euphausiid harvesting and processing method and apparatus |
09/19/1995 | US5450713 Aquatic weed trap |
09/05/1995 | US5447018 Aquatic plant de-rooting apparatus |
08/31/1995 | WO1995022893A2 Euphausiid harvesting and processing method and apparatus |
07/25/1995 | US5435083 Aquatic weed eradicator |
07/11/1995 | US5430998 Underwater weed cutting machine |
06/20/1995 | US5425222 Underwater weed cutting apparatus |
04/11/1995 | US5404696 Harvesting machine |
12/13/1994 | US5372001 Aquatic vegetation mowing apparatus |
12/04/1994 | CA2097673A1 Aquatic plant de-rooting apparatus |
11/01/1994 | US5359835 For inhibiting growth of plant life in water |
09/20/1994 | US5347798 Harvesting apparatus |
04/26/1994 | US5305585 System for uprooting aquatic plants |
10/20/1993 | EP0565920A1 Procedure for manufacturing paper from seaweed and paper thus obtained |
09/29/1993 | EP0562072A1 Aquatic plant harvesting system |
08/17/1993 | US5235797 Method of harvesting aquatic plants |
04/13/1993 | US5201168 Underwater weed cutting apparatus |
04/01/1993 | WO1993005638A1 Aquatic plant harvesting system |
03/30/1993 | US5197263 Method and apparatus for harvesting aquatic plants |
03/02/1993 | US5189867 Aquatic vegetation cutter |
01/21/1993 | WO1992021227A3 Apparatus for mechanically removing water plants, in particular water hyacinths, from waters |
12/10/1992 | WO1992021227A2 Apparatus for mechanically removing water plants, in particular water hyacinths, from waters |
11/10/1992 | US5161354 Aquatic plant harvester |
10/23/1992 | CA2040923A1 Underwater weed dredger |
10/06/1992 | US5152126 System for uprooting aquatic plants |
09/15/1992 | US5146997 Lake weed removing apparatus |
09/15/1992 | US5146734 Underwater vegetation cutter |
09/02/1992 | CN1018071B Ecological chlorella harvesting method |
09/01/1992 | US5142849 Aquatic plant cutting apparatus and aquatic plant recovery boat equipped with the apparatus |
07/15/1992 | CN1062634A Skirt belt cutting method |
06/16/1992 | CA1303363C Weeder for inland waterways |
04/29/1992 | CN2102612U Combined harvester for underwater plants |
04/26/1992 | CA2028580A1 Device for the removal of aquatic vegetation |
03/29/1992 | CA2043630A1 Aquatic plant cutting apparatus and aquatic plant recovery boat equipped with the apparatus |
02/20/1992 | WO1992002691A1 Harvesting apparatus |
01/28/1992 | US5083417 Apparatus for harvesting vegetable matter |
01/14/1992 | US5079905 Floating weed rake |
12/24/1991 | US5074105 Lake rake and methods |
12/17/1991 | CA1293128C Weed harvester |
12/03/1991 | US5069023 Aquatic vegetation harvester |
09/10/1991 | CA1288600C Aquatic vegetation cutter |
07/16/1991 | US5031390 Aquatic harvesting equipment |
06/04/1991 | US5020307 Method and apparatus for water harvesting |
03/19/1991 | US4999982 Weeder for inland waterways |
03/06/1991 | EP0414719A1 Aquatic vegetation cutter |
10/03/1990 | CN2062938U Algae harvester |
07/24/1990 | US4942722 Plant harvester |
06/05/1990 | CA1269845A1 Suction harvester for aquatic plants and animals |
04/11/1990 | CN1041083A Ecological chlorella harvesting method |
12/12/1989 | US4885902 Aquatic vegetation harvester |
11/16/1989 | WO1989009538A3 Aquatic vegetation cutter |
10/19/1989 | WO1989009538A2 Aquatic vegetation cutter |
08/01/1989 | US4852337 Method and apparatus for removing aquatic plants |
03/28/1989 | US4815260 Plant harvester |
10/25/1988 | US4779404 Suction harvester for aquatic plants and animals |
09/06/1988 | US4768331 Lake rake |
06/08/1988 | EP0270373A2 A water craft, a paddle wheel for propelling a craft upon water, a floating harvester and a harvester of the type including a cable means which is rotated about its longitudinal axis for winding plant growth thereon |
12/22/1987 | US4713929 Harvesting of aquatic vegetation by helicopters |
10/08/1987 | WO1987005878A1 Inshore submersible amphibious machines |
09/29/1987 | US4696149 Aquatic weed control method and apparatus |
06/30/1987 | US4676052 Self-propelled dredge |
03/25/1987 | EP0215012A1 Suction harvester for aquatic plants and animals |
01/27/1987 | US4638621 Method and system for processing aquatic plants |
08/14/1986 | WO1986004482A1 Suction harvester for aquatic plants and animals |
04/22/1986 | US4583353 Underwater weed cutter |
10/16/1985 | EP0157784A1 Device for cutting grass on uneven grounds and particularly in ditches |
08/28/1985 | EP0153217A1 Method and apparatus for the intensive cultivation of aquatic plants |
06/04/1985 | US4520616 Method and system for conditioning and removing aquatic plants |
04/02/1985 | US4507909 Compactor and paddle wheel for aquatic harvester |
03/14/1985 | WO1985000952A1 Device for cutting grass on uneven grounds and particularly in ditches |
11/22/1983 | US4416106 Method and apparatus for removal of aquatic plant growth |
05/31/1983 | CA1147149A1 Vessel for gathering marine seaweed |
03/01/1983 | US4375299 Aquatic weeder |
10/05/1982 | CA1132804A1 Floating apparatus for weeding waterways |
05/11/1982 | US4328658 Weed harvester |
08/04/1981 | CA1106190A1 Weed harvester |
07/01/1981 | EP0031224A2 Water weed cutting and/or clearing vessel |
06/30/1981 | US4275545 Kelp blade harvester |
04/14/1981 | US4261160 Weed removal apparatus |
04/07/1981 | US4259828 Irish moss harvester |
03/31/1981 | US4258534 Aquatic harvesting apparatus |
03/24/1981 | CA1097929A1 Kelp blade harvester |
02/03/1981 | US4248033 Thru-flow aquatic harvester |
12/23/1980 | US4240243 Intake balancing and satellite collector system |
11/18/1980 | CA1089655A1 Irish moss harvester |
09/16/1980 | US4222217 Aquatic weed harvesting apparatus |
06/03/1980 | US4205507 Aquatic weed cutting apparatus |
05/13/1980 | US4202155 Aquatic weed cutter, de-rooter and harvester |
04/29/1980 | CA1076369A1 Aquatic weed control machine |
04/08/1980 | US4196566 Aquatic weed cutter |
12/11/1979 | US4177624 Aquatic plant sampler |
02/06/1979 | US4137693 Rake device for removing weeds from lakes |
01/31/1978 | US4070978 Floating apparatus for weeding and dredging waterways |