| Patents for A01D 44 - Harvesting of underwater plants, e.g. harvesting of seaweed (500) |
|---|
| 12/19/2007 | CN200992716Y Large-area waterweeds salvage device |
| 12/19/2007 | CN101088856A Chain-net type mechanical device for mowing and cleaning operation |
| 10/17/2007 | CN200959735Y Novel lotus root digging harvester |
| 10/16/2007 | CA2473650C Bio catcher |
| 09/26/2007 | CN101040588A Method and device for planting, managing and harvesting lotus root in box |
| 08/30/2007 | US20070199290 Pond rake |
| 08/23/2007 | WO2007094651A1 Use of conditioned, treated water lilies in alternative energy generation |
| 08/23/2007 | US20070193238 Weed control technology |
| 08/01/2007 | CN101006766A Outdoor large-area cultivating method for Isochrysis galbana H29 containing rich DHA |
| 06/05/2007 | CA2093154C Procedure for manufacturing paper from seaweed and paper thus obtained |
| 04/12/2007 | US20070079591 Aquatic vegetation groomer |
| 01/17/2007 | CN2858476Y Self-propelled boat for harvesting lotus root |
| 07/13/2006 | US20060150601 Precision aquatic vegetation harvesting system |
| 06/08/2006 | US20060117652 Method and system to control weeds |
| 05/30/2006 | US7051664 Retrieval mechanism for an underwater vehicle |
| 05/02/2006 | US7036295 Aquatic growth harvester |
| 04/26/2006 | CN2774111Y Folding type single and double knife grass cutter |
| 04/06/2006 | US20060070266 Lake bottom cleaning device |
| 02/21/2006 | US7000372 Method and system to control weeds |
| 02/16/2006 | US20060032204 Actuating device for a pond care device for removing filamentous algae and weeds |
| 01/04/2006 | CN2749243Y Collecting and treating device of hyacinth |
| 11/10/2005 | DE202005014445U1 Buoyant pond grass mower for use in culture ponds has mowing bar connected to two flotation chambers interconnected by cross beams |
| 10/06/2005 | DE202005009916U1 Device for mechanical removal of algae from e.g. garden ponds etc. consists of driven rotating shaft with algae-collecting tip |
| 10/05/2005 | CN1678186A 水生植物收割机 Aquatic plant harvester |
| 09/22/2005 | US20050204991 Retrieval mechanism for an underwater vehicle |
| 08/31/2005 | CN1660706A Method for hamessing eutrophication of water body and bred hyacinth |
| 08/10/2005 | CN2715502Y Laver collecting machine |
| 08/02/2005 | US6922982 Marine weedwaker |
| 07/26/2005 | US6920744 Apparatus and method for cutting and harvesting infestations of aquatic vegetation and/or skimming algae/floating vegetation |
| 06/28/2005 | US6910319 Hydrojet for cutting plant growth from waterways |
| 06/23/2005 | US20050132683 Airboat with aquiatic vegetation shredding assembly |
| 06/15/2005 | EP1538890A1 Aquatic plant harvester |
| 05/12/2005 | US20050097872 Apparatus and method for cutting and harvesting infestations of aquatic vegetation and/or skimming algae/floting vegetation |
| 03/23/2005 | CN1597922A Process and apparatus for enriching aquatic micro algae |
| 03/15/2005 | US6865869 Airboat with aquatic vegetation shredding assembly |
| 03/03/2005 | US20050044837 Aquatic plant harvester |
| 01/27/2005 | US20050016911 Bio catcher |
| 12/22/2004 | CN2664367Y Underwater walking type aquatic plant harvesting apparatus |
| 12/21/2004 | US6832465 Aquatic weeding device |
| 12/08/2004 | CN1552602A Floating plant on water surface crushing ship |
| 06/30/2004 | CN2621396Y Cutting knife lifting table of small river mower |
| 06/15/2004 | US6748728 Rake systems and methods for removing underwater vegetation |
| 05/19/2004 | CN2616026Y Water hyacinth harvester |
| 05/11/2004 | US6732499 Method and apparatus for gathering, transporting, and processing aquatic plants |
| 04/29/2004 | US20040079003 Aquatic weeding device |
| 04/27/2004 | US6725637 Water craft for reducing aquatic plant infestation |
| 03/10/2004 | CN2605724Y Cutter for small streamway grass cutting machine |
| 03/04/2004 | WO2004017715A1 Aquatic plant harvester |
| 01/07/2004 | CN2596727Y Water bottle gourd collecting and treating machine |
| 01/06/2004 | US6672039 Apparatus and method for cutting and harvesting infestations of aquatic vegetation in shallow areas of water bodies |
| 11/18/2003 | US6647704 Aquatic vegetation shredder having bow and stern mounted high speed, large chopping propellers |
| 11/05/2003 | CN1452856A Semi-floating raft type larer picking machine |
| 09/18/2003 | US20030172634 Rake systems and methods for removing underwater vegetation |
| 09/14/2003 | CA2385000A1 Rake systems and methods for removing underwater vegetation |
| 08/27/2003 | CN2567958Y Lotus root digging appts. for paddy rice |
| 08/21/2003 | US20030154702 Hydrojet for cutting plant growth from waterways |
| 08/14/2003 | US20030150200 Lake bottom cleaning device |
| 07/31/2003 | WO2003061367A1 Method and system to control weeds |
| 07/24/2003 | US20030136096 Method and system to control weeds |
| 06/19/2003 | US20030110747 Airboat with aquatic vegetation shredding assembly |
| 06/03/2003 | US6572770 Water treatment |
| 05/02/2003 | EP1305996A1 Handheld apparatus for removing algae |
| 04/22/2003 | CA2243002C Method for the gentle isolation of aquatic plants which float on the water |
| 03/20/2003 | DE10152225C1 Hand device, for mechanically removing thread algae and water plants, comprises a wiping device designed so that it passes under the algae and raises the algae to wipe these off a winding body completely without or with reduced friction |
| 02/05/2003 | CN2533654Y Semi-floating raft type laver culture harvester |
| 01/15/2003 | CN2530437Y Laver picking and cutting machine |
| 01/09/2003 | US20030005673 Aquatic vegetation shredder having bow and stern mounted high speed, large chopping propellers |
| 12/18/2002 | CN2525780Y Mudflat working laver harvester |
| 12/12/2002 | US20020184867 Method and apparatus for gathering, transporting, and processing aquatic plants |
| 09/17/2002 | US6449931 Aquatic vegetation shredder having bow and stern mounted high speed, large chopping propellers |
| 08/22/2002 | US20020112460 Tracked amphibious vehicle with aquatic vegetation shredding assembly |
| 07/25/2002 | US20020095921 Airboat with aquatic vegetation shredding assembly |
| 07/03/2002 | CN2497529Y Harvester for Job's tears |
| 05/30/2002 | US20020062634 Water craft for reducing aquatic plant infestation |
| 05/28/2002 | US6393812 Method and apparatus for gathering, transporting, and processing aquatic plants |
| 03/19/2002 | US6357213 Water vegetation removal system |
| 11/01/2001 | US20010035000 Seagrass plow and method |
| 06/26/2001 | US6250054 Device for removal of aquatic vegetation |
| 04/12/2001 | DE19947736A1 Device for collecting water plants or algae comprises bar which is towed along in direction of its longitudinal axis so that plants become wound around bar and are uprooted |
| 04/08/2001 | CA2319862A1 Apparatus and method for clearing aquatic vegetation |
| 02/20/2001 | US6189303 Method of destroying aquatic vegetation |
| 10/25/2000 | CN2402116Y Water jet type apparatus for harvesting of underwater plants |
| 09/27/2000 | CN1267447A Harvest and processing method of microbial algae shuihua |
| 09/12/2000 | US6116004 Aquatic vegetation shredder |
| 05/02/2000 | US6056981 Euphausiid harvesting and processing method and apparatus |
| 02/15/2000 | US6023920 Apparatus for destroying aquatic vegetation |
| 10/27/1999 | EP0758842B1 Euphausiid harvesting method and apparatus |
| 07/21/1999 | EP0930010A2 Euphausiid harvesting and processing method and apparatus |
| 03/10/1999 | EP0900518A2 Method for gently separating aquatic plants floating on a water surface |
| 01/14/1999 | WO1999001021A1 Apparatus for harvesting aquatic plants |
| 07/07/1998 | US5775073 Rake compactor and helical paddle wheel for aquatic harvester |
| 04/02/1997 | CN1146709A Euphausiid harvesting and processing method and apparatus |
| 02/26/1997 | EP0758842A1 Euphausiid harvesting and processing method and apparatus |
| 02/18/1997 | US5603204 Aquatic plant harvester |
| 02/04/1997 | US5598688 Apparatus for clearing water creepers |
| 11/14/1996 | WO1996035323A1 Water craft for reducing aquatic plant infestation |
| 10/22/1996 | US5567275 Process for manufacturing paper from seaweed |
| 08/08/1996 | DE19503450A1 Floating water treatment appliance with drive |
| 08/06/1996 | US5542240 Water craft for reducing aquatic plant infestation |
| 04/30/1996 | US5511366 Water body cleaning apparatus and method |