Patents for A01B 33 - Tilling implements with rotary driven tools (4,271)
03/1991
03/19/1991CA2066431A1 Rotary agricultural tool
03/13/1991EP0417023A1 Machine for preparing the soil for sowing
03/06/1991EP0415457A2 Cultivator blade supporting structure
02/1991
02/27/1991EP0290556B1 Combined implement for crushing, grubbing, decompaction and working of the soil
02/20/1991CN2071417U Rolling rake driven by walking tractor
02/14/1991DE3924058A1 Hand-operated rotary digging machine - is power driven and inverts and buries top soil on small areas
01/1991
01/29/1991US4987959 Farm machine for working the soil
01/24/1991DE3924094A1 Harrow with rotary driven tines - has time elements S=shaped in cross view and in side view
01/16/1991EP0407896A1 Groundworking machine for row cultures
01/16/1991EP0407726A1 Circular harrow
01/16/1991EP0407725A2 Groundworking implement, particularly circular harrow
01/16/1991EP0407723A1 Circular harrow
12/1990
12/11/1990CA1277535C Soil working implement
12/05/1990EP0400304A1 Method and apparatus for the cleaning of stables
12/01/1990CA2017587A1 Method of cleaning stables and device for the working of this method
11/1990
11/29/1990DE3916760A1 Soil cultivator with set of rotary tines - has spring unit for adjusting tapered roller bearings
11/22/1990EP0398386A1 Power take-off shaft driven rotary harrow
11/22/1990EP0398385A2 Motor-driven circular harrow
11/22/1990EP0398384A2 Motor driven circular harrow
11/07/1990EP0396166A2 A soil tilling machine
11/06/1990US4967849 Guard assembly for earth tillers
10/1990
10/24/1990EP0393337A2 Groundworking tool
10/24/1990EP0216922B1 Agricultural machine for working the soil
09/1990
09/20/1990DE3908205A1 Circular spike harrow
09/05/1990EP0385282A1 Ground working machine
09/05/1990CN2061359U Driven transmission of tilling implement
08/1990
08/30/1990DE3906172A1 Caterpillar machine for working the soil in gardens and fields
08/29/1990CN2060963U Improved light rotary tilling machine for paddy field
08/02/1990DE3902294A1 Rotary harrow
08/02/1990DE3902291A1 Rotary harrow
08/01/1990EP0289517B1 Process and device for loosening soil
06/1990
06/26/1990US4936391 For mounting on a tractor
06/26/1990US4936390 Tool apparatus with tool attached to end of outrigger arm
06/20/1990EP0373789A1 Device for chopping-up bulk material
06/06/1990CN2057800U Linkage apparatus of tillage disk and cutter
06/01/1990CA2004345A1 Device for chopping-up bulk material
05/1990
05/16/1990EP0368021A1 Surface overturning apparatus
05/16/1990EP0368019A1 Lawn mowing and aerating apparatus
05/16/1990CN2057052U Vertical rotary tilling machine for rice field
05/10/1990DE3837937A1 Device for mowing and scarifying lawn areas
05/08/1990US4923016 Scarifier and moss rake adapted to be fitted to a small power driven cultivator
04/1990
04/04/1990EP0361545A2 Soil cultivating implement
03/1990
03/28/1990EP0359741A1 Apparatus system for the agricultural working of soil.
03/27/1990US4911247 Power cultivating device
03/20/1990US4909334 Machine for filling ruts in agricultural fields
02/1990
02/20/1990CA1265949A1 Tilling machine with pivotal bi-directional operative tines
01/1990
01/10/1990EP0350126A2 A soil cultivating machine
01/09/1990US4892154 Ground-working apparatus with rotary tiller
12/1989
12/26/1989US4889190 Soil working machine
12/13/1989EP0346255A1 Soilworking machine provided with shares and a rotor
11/1989
11/29/1989CN2048274U Driving wheel for cultivator working on farm land
11/23/1989DE3817498A1 Plough appliance for making a seedbed
11/08/1989EP0341153A1 Rotating multipurpose cultivator having independently driven and directable rotors
11/08/1989CN1036874A Whirling plough device of paddy field tillage machinery
11/02/1989DE3813197A1 Agricultural machine
10/1989
10/11/1989CN2045569U Walking single-wheel automatic plough
10/10/1989CA1262212A1 Soil loosening device
10/04/1989CN2045176U Driving wheel of ploughing machine for paddy field and dry land
09/1989
09/20/1989EP0333150A2 Tillage equipment with telescopic security flap
09/13/1989EP0332238A2 A soil cultivating machine
09/06/1989CN2043817U Working tractor with rear ditching device
09/05/1989US4862969 Method and apparatus for cultivating plantable soils more particularly forest soils
08/1989
08/09/1989CN2042270U Quick-change device for cutter shaft of tillage implements
07/1989
07/19/1989CN2041088U Rotary cultivator for stubble destroying
07/06/1989DE3840607A1 Rolling ground-working implement
07/05/1989CN2040290U Corrugated type combined knife axle of ploughing and weeding implements
06/1989
06/21/1989EP0321031A1 A soil cultivating machine
06/15/1989DE3740906A1 Horticultural rotary cultivator
06/14/1989CN2039098U Stubble-crushing rotocultivator capable of directly crushing straw
06/13/1989US4838359 Soil working machine having a rotor driven around an oblique axis
05/1989
05/24/1989EP0317549A2 Combined implement decompacting and tilling the top layer of the soil
05/24/1989EP0317548A2 Soil-working machine
05/17/1989EP0315668A1 Scarifier-edger adossable to a small power-driven cultivator.
05/10/1989CN2037134U Driving device for small dual wheel tillage machine
05/03/1989EP0313835A1 Stop plate for a combined apparatus comprising a rotary cultivator
05/03/1989CN2036738U Amplitude modulation device of tillage machinery
04/1989
04/12/1989EP0311221A1 Soil cultivating implements
04/05/1989CN2035164U Combined multi-purpose driving type tilling implement
03/1989
03/22/1989EP0307505A1 Soil working machine
03/15/1989EP0307334A1 Soil working machine comprising shares and a rotor
03/08/1989EP0305601A1 A soil cultivating machine
03/08/1989EP0305600A1 A soil cultivating machine
03/08/1989CN2033569U Walking rotary cultivator for paddy field
03/01/1989EP0305015A2 A soil cultivating machine
02/1989
02/22/1989EP0304120A2 A soil cultivating machine
02/21/1989US4805704 Rotary tilling device
02/14/1989US4804047 Rotary mower and tilling device
02/08/1989EP0302566A2 Device for working more or less loose material
02/08/1989CN2031991U T-shape pick
02/07/1989US4802536 Lawn dethatcher for a rotary cultivator
02/01/1989EP0301642A1 A soil cultivating machine and tine for a soil cultivating machine
01/1989
01/12/1989DE3819315A1 Rotary harrow
01/03/1989CA1247919A1 Rake device for rotary cultivators
12/1988
12/14/1988EP0294438A1 Motor-driven soil tilling implement
12/07/1988EP0293675A1 Soil-working implement
12/06/1988CA1245903A1 Cultivator drag bar and mounting therefor
12/01/1988WO1988009113A1 Scarifier-edger adossable to a small power-driven cultivator
11/1988
11/17/1988EP0290556A1 Combined implement for crushing, grubbing, decompaction and working of the soil.
11/02/1988EP0289094A1 A soil cultivating machine
10/1988
10/26/1988EP0288125A1 A soil cultivating machine
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