Patents for A01B 39 - Other machines specially adapted for working soil on which crops are growing (1,432)
05/1991
05/15/1991EP0426960A2 Hoeing machine for agricultural implement
05/01/1991CN2075849U Rotary cultivator
03/1991
03/27/1991CN2073642U Walking weeder
01/1991
01/16/1991EP0407896A1 Groundworking machine for row cultures
01/02/1991EP0406217A1 Mobile apparatus for mowing
12/1990
12/04/1990US4974683 Ridge tillage attachment for planters
11/1990
11/28/1990EP0399137A1 Ground-working tool for attachment to an agricultural vehicle
11/28/1990CN2066227U Dual-row cultivator
11/07/1990EP0396182A1 Hoeing or weeding machine for agriculture and horticulture
09/1990
09/05/1990EP0385328A1 Agricultural machine
08/1990
08/01/1990EP0379660A2 Soil working implement for row crops
07/1990
07/12/1990DE3900288A1 Mounted paring plough for vineyard tractors
07/10/1990USRE33255 Rod weeder attachment for an agricultural implement
06/1990
06/26/1990USRE33238 Oscillating powered cultivating tool
06/26/1990US4936391 For mounting on a tractor
06/26/1990US4936390 Tool apparatus with tool attached to end of outrigger arm
06/14/1990WO1990006048A1 Weeding metal base plate and weeder
06/13/1990DE4004346A1 Machine for hoeing in rows - is designed to remove and stack standing plants
06/13/1990DE3841148A1 Tractor, especially for use in asparagus fields
06/05/1990CA1269893A1 Ridge tillage attachment for planters
05/1990
05/30/1990EP0370984A2 Agricultural seed planter
05/22/1990CA2003343A1 Agricultural seed planter
04/1990
04/03/1990US4913241 Rod weeder attachment for an agricultural implement
03/1990
03/29/1990DE3831764A1 Servo-controlled working appliance with capacitive plant sensing
03/27/1990US4911247 Power cultivating device
03/22/1990WO1989008976A3 Apparatus for cultivating rice and other crops
03/06/1990US4905770 Shield assembly for a cultivator
02/1990
02/28/1990CN2053425U Stubble-removing machine for seedling farmland interlling
02/15/1990DE3830141C1 Method and apparatus for working the growth between the rows of young standing maize plants in maize-cultivation areas
02/14/1990EP0226585B1 Cultivating apparatus
01/1990
01/30/1990US4896730 Apparatus for cultivating rice and other crops
01/23/1990CA1264597A1 Rod weeder attachment for an agricultural implement
12/1989
12/27/1989EP0347982A1 Method and device for controlling unwanted plant growth on a piece of ground
12/14/1989DE3818645A1 Working machine for removing weeds
12/13/1989EP0195808B1 Suspension mechanism for agricultural row unit
11/1989
11/29/1989EP0343348A2 Apparatus and method for cultivating rice and other crops
11/22/1989CN1037253A Apparatus and method for cultivating rice and other crops
11/16/1989DE3814928A1 Servo-device for actuating an adjusting member
10/1989
10/05/1989WO1989008976A2 Apparatus for cultivating rice and other crops
09/1989
09/06/1989CN1035222A Earth covering machine for preventing seedlings from cold
08/1989
08/08/1989US4854390 Sand fighter for bed planting
06/1989
06/28/1989CN2039893U Extendible and amplitude-adjustable orchard cultivator
05/1989
05/31/1989CN2038309U Weeder with harrow
05/30/1989US4834190 Spring tine and detachably secured attachment
05/30/1989US4834189 Row crop cultivator
05/24/1989DE3738289A1 Self-propelling mower for forest plants
04/1989
04/11/1989US4819737 Row crop cultivator
03/1989
03/28/1989US4815544 Cultivator disc adjuster
02/1989
02/08/1989EP0302566A2 Device for working more or less loose material
01/1989
01/12/1989DE3819315A1 Rotary harrow
01/10/1989US4796550 Single angled blade coulter and fertilizer opener
12/1988
12/14/1988EP0294438A1 Motor-driven soil tilling implement
11/1988
11/22/1988US4786204 Clamping apparatus with bi-directional clamping device
11/22/1988US4785891 Tilling ridger
11/01/1988US4781254 Two-piece earth engaging implement and method of forming the same
10/1988
10/25/1988US4779684 Method and apparatus for extracting plant stalks and for reshaping beds
09/1988
09/27/1988CA1242347A1 Agricultural tool clamp
09/06/1988US4768596 Soil crust loosening apparatus
08/1988
08/11/1988DE3702988A1 Device combination, which can be attached to an agricultural or forestry working vehicle, for mechanical weed control, in particular between young plant rows in tree nursery or forest plantations
08/02/1988US4760804 Air injection cultivator
07/1988
07/14/1988WO1988004884A1 Motor-driven soil tilling implement
06/1988
06/28/1988US4753297 Rotary disk tool assembly and material dispensing and crop cutting implements
06/07/1988CA1237597A1 Pivoting shield assembly
05/1988
05/19/1988DE3637972A1 Hoeing machine
05/11/1988DE3638076A1 Shifting device for a side-working mow-cutting unit
05/05/1988DE3637186A1 Tractor-operated working appliance
03/1988
03/24/1988WO1988001830A1 Method and tool for the treatment of roots below the ground
03/10/1988DE3629691A1 Hydraulically inwardly pivotable ground-working implement
12/1987
12/29/1987US4715449 Self-dumping crop shield
12/29/1987CA1230771A1 Weeding machine
12/03/1987DE3641263A1 Electrically operated hoeing and digging appliance for gardens
12/03/1987DE3618064A1 Plough
10/1987
10/29/1987DE3614217A1 Method and appliance for breaking the crust of fields cultivated in rows, especially beet fields
10/27/1987US4702323 Ridge tillage attachment for planters
10/27/1987EP0226585A4 Cultivating apparatus.
10/06/1987US4697645 Disc cultivator shield
09/1987
09/02/1987EP0234023A2 Pressure fluid actuated pivoting mechanism for working equipment particularly applicable to roadside cutting mowers
09/01/1987US4690223 Rod weeder attachment for an agricultural implement
08/1987
08/06/1987DE3603457A1 Ground-working machine
07/1987
07/30/1987DE3601875A1 Root-separating tool
07/01/1987EP0226585A1 Cultivating apparatus.
06/1987
06/02/1987CA1222408A1 Row crop cultivator
05/1987
05/26/1987US4667745 Hand propelled rotary cultivator
05/12/1987CA1221573A1 Soil cultivating implement
05/12/1987CA1221572A1 Earth-working tool head
04/1987
04/28/1987US4660653 Rotary disk tool assembly and implements
04/28/1987US4660649 Rotary tiller tool apparatus with vertical lift force variable in direct proportion to pressure to rotate tiller tool
04/21/1987USRE32405 Farming implement particularly for row cultivation
04/16/1987DE3631436A1 Motor-operated ground-working appliance
03/1987
03/26/1987DE3632641A1 Self-propelled agricultural appliance carrier for row and bed cultivations
03/17/1987US4650005 Row crop cultivator with setting indicator
03/10/1987US4648463 Weeder for removing weeds having various lengths
02/1987
02/24/1987US4645013 Agricultural sweep
10/1986
10/01/1986EP0195808A1 Suspension mechanism for agricultural row unit.
08/1986
08/26/1986US4607705 Row crop cultivator including disk and setting indicator therefor
06/1986
06/03/1986US4592428 Plant protective apparatus
05/1986
05/28/1986EP0181964A1 Soil tilling implement
05/27/1986US4591002 Pivoting shield assembly
05/27/1986US4591001 Garden tillers
05/06/1986US4586593 Drive assembly
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