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| Patents for A01B 47 - Soil-working with electric potential applied between tools and soil (10) |
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| 12/03/2009 | DE102008026159A1 Frictional force reducing method for e.g. plow, during working movement within soil, involves supplying processing tool and counter electrode with external current such that gas is produced on surface of tool for forming separation layer | | 08/14/2003 | US20030150156 Method and apparatus for eradicating soil borne pests | | 07/02/2002 | US6413399 Heater having three electrodes, activated by alternating current voltages to generate uniformly heated zones; evaporation of volatile impurities | | 11/20/2001 | US6320197 Method and a device for treating cultivation products or cultivation media, and cultivation products obtained with the method | | 05/17/2001 | WO2001035090A1 Soil heating with a rotating electromagnetic field | | 11/14/2000 | US6145244 Methods for enhancing phytoextraction of contaminants from porous media using electrokinetic phenomena | | 03/31/1999 | EP0903973A1 A method and a device for treating cultivation products or cultivation media, and cultivation products obtained with the method | | 09/15/1998 | US5806294 Weed electrifier | | 10/02/1997 | WO1997035464A1 A method and a device for treating cultivation products or cultivation media, and cultivation products obtained with the method | | 06/09/1993 | DE4140440A1 Nematode extracting appts., e.g. for obtaining worms from natural soil with sifting drums - uses soil samples of 5-10 grammes wet wt. in sifting drum 3.5 cm dia. and 3 cm high and soil samples of 50-100 gramme wet wt. in rectangular sieve 3.5 x 12 cm x 3 cm |
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