Patents for A01B 23 - Elements, tools, or details of harrows (673)
01/2006
01/26/2006DE102004031819A1 Agricultural device, has electronic control unit displaying free passage and blockage levels on display device based on data transmitted by sensors arranged between cutting tools, and alarm system triggering alarm on reaching threshold
01/26/2006DE102004031818A1 Scheibengerät Disk device
01/12/2006WO2006004538A1 Soil tilling tine entity for soil tillage implement
01/05/2006US20060000622 Apparatus for attaching a ground-engaging tool to an implement frame
12/2005
12/29/2005WO2005042855A3 Earth scraper with track apparatus
12/29/2005DE202005017282U1 Soil treatment device for use on side slopes, has supporting disks and concave disks rolled along slope to loosen up soil on slope, and alternately arranged such that supporting disks catch lateral pressure produced by concave disks
12/01/2005US20050262823 Prickle chain link
11/2005
11/25/2005CA2508294A1 Prickle chain link
11/17/2005US20050252669 Work machine with a formed beam frame
11/17/2005US20050252668 Multi-speed sweep having progressively aggressive, non-flat soil contacting surfaces
11/15/2005CA2415999C Simplified adjustable tine harrow assembly
11/02/2005EP1590999A1 Scraper for agricultural implement
10/2005
10/27/2005WO2005099428A1 Harrow frame and harrow formed therewith
10/20/2005US20050230128 Replaceable trench blade
09/2005
09/22/2005DE10084623B4 Agricultural soil cultivation machine has a two part share located between consecutive vertical discs on the same beam, the lower part forming a horizontal cutting section
09/08/2005US20050194160 Tine for a soil cultivating implement
08/2005
08/25/2005WO2005077139A2 Soil working machine and device capable of equipping such a machine
08/24/2005CN2718985Y Agricultural harrowing machine
07/2005
07/05/2005CA2375755C Spring rockflex bearing arm
06/2005
06/30/2005DE10352295A1 Soil cultivation machine, has outer discs fixed to respective adjustable shafts, where one part, which is coupled to one disc, is fixed using locking unit on other part of shaft, and former part is swivelable around pivot point of latter
05/2005
05/12/2005WO2005042855A2 Earth scraper with track apparatus
05/12/2005CA2544122A1 Earth scraper with track apparatus
05/11/2005EP1529430A1 Device at a soil tillage implement
04/2005
04/21/2005US20050082070 Earth scraper with track apparatus
03/2005
03/29/2005US6871416 Eccentricity and wobble sensing device
01/2005
01/05/2005CN1559165A Harrowing equipment with quickly changeable teeth of harrow
12/2004
12/22/2004EP1487249A1 A soil tillage device
10/2004
10/07/2004DE202004007586U1 Roller for harrow comprises tubular base, through which bars are fitted diametrically, protruding ends of these forming tines of roller
08/2004
08/05/2004US20040149460 Seedbed preparation implement having rotary disc with adjustable gang angle
08/05/2004US20040149459 Seedbed preparation implement having rotary disc with adjsutable gang angle
05/2004
05/11/2004US6732812 Staggered frame element with overlap
04/2004
04/06/2004CA2135117C Multi purpose shank adapter for attachment of ground working tools to the shank of an agricultural cultivator
03/2004
03/09/2004CA2265308C Coulter assembly with an inside floating scraper assembly
02/2004
02/24/2004US6695069 Spring rockflex bearing arm
02/10/2004US6688405 Simplified adjustable tine harrow assembly
09/2003
09/24/2003EP1346621A1 Soil working machine tine
09/02/2003US6612381 Seedbed preparation implement having rotary disc with adjustable gang angle
08/2003
08/19/2003US6607040 Working tool with replaceable working bit
08/05/2003US6602020 Clamping tool
07/2003
07/17/2003US20030132013 Simplified adjustable tine harrow assembly
05/2003
05/08/2003US20030085045 Seedbed preparation implement having rotary disc with adjustable gang angle
05/07/2003EP1054585B1 A clamping tool
04/2003
04/29/2003US6554079 Earth working disc with large notches
02/2003
02/27/2003US20030038724 Eccentricity and wobble sensing device
02/27/2003US20030037936 Working tool with replaceable working bit
01/2003
01/01/2003CN1388740A Harrow for tractor
11/2002
11/27/2002EP1259105A1 Working tool with replaceable working bit
09/2002
09/19/2002DE10106849A1 Disk harrow has frame on which disks are arranged at least partially displaced to straight line running crossways to harrow towed direction
09/18/2002CN2511105Y Telescopic harrow for working paddy
09/12/2002US20020125019 Spring rockflex bearing arm
08/2002
08/15/2002US20020108764 Earth working disc with large notches
07/2002
07/30/2002US6425446 Harrow tine with a cutting edge
05/2002
05/10/2002WO2002011518A3 Harrow for tractor
04/2002
04/04/2002US20020038620 Seed drill opening disk and seed drill using such a disk
04/03/2002EP1192849A1 Seed drill disc and seed drill using such devices
03/2002
03/29/2002CA2357311A1 Disk opener for seeder and seeder using such a disk opener
03/19/2002CA2222745C Rolling cultivator shield
02/2002
02/14/2002WO2002011518A2 Harrow for tractor
01/2002
01/23/2002CN2473026Y Suspending rake special for agricultural tricycle
09/2001
09/26/2001CN2449452Y Harrow frame assembly for paddy field
08/2001
08/28/2001US6279666 Row crop debris clearing apparatus
08/09/2001WO2001056360A1 Working tool with replaceable working bit
07/2001
07/17/2001US6260632 Coulter assembly with an inside floating scraper assembly
05/2001
05/29/2001US6237696 Ground opener with disc scraper mounting
02/2001
02/20/2001CA2316026A1 Replaceable machine part retention system
12/2000
12/26/2000US6164386 Harrow
11/2000
11/29/2000EP1054585A1 A clamping tool
10/2000
10/04/2000EP1040742A1 Soil working machine tool fastening
04/2000
04/23/2000CA2256056A1 Cultivator
02/2000
02/15/2000US6024179 Coulter with an inside floating scraper and an outside spring closer tine
01/2000
01/20/2000DE19830390A1 Method of soil cultivation and appropriate agricultural appliance
10/1999
10/27/1999CN2344947Y Paddy field cylinder harrow
10/06/1999CN2341350Y Intermediate pipe
09/1999
09/15/1999CN2337748Y Lifting/lowering type leethed harrow
08/1999
08/26/1999DE19807516A1 Method of soil cultivation and appropriate agricultural appliance
08/25/1999EP0937376A1 Method for working soil top surfaces and device comprising a rotary driven soil working implement
08/18/1999CN2333146Y Mounted harrow
08/12/1999WO1999039560A1 A clamping tool
08/12/1999CA2319235A1 A clamping tool
03/1999
03/30/1999US5887664 Adjustable depth control mechanism for earth-penetrating disk
03/02/1999US5875855 Row crop rolling shield
01/1999
01/13/1999CN2303431Y Harrow teeth
12/1998
12/15/1998CA2117012C Harrow drawbar assembly
10/1998
10/28/1998CN2295311Y Rotary harrow of single caterpillar small-size plough
10/06/1998US5816340 Rolling cultivator shield
07/1998
07/28/1998US5785129 Row crop cultivator having a fixed depth of penetration
07/14/1998CA2119294C Harrow
02/1998
02/04/1998EP0821866A1 Oscillating harrow
07/1997
07/08/1997US5645179 Multiple implement equipment boom
04/1997
04/23/1997EP0689375B1 Flexible tooth with interchangeable elements for a ploughing apparatus
04/22/1997US5622229 Harrow bar assembly
10/1996
10/22/1996US5566767 Flexible tooth with interchangeable elements for a plowing apparatus
10/22/1996CA2078352C Trailing harrow rotatable to an upside-down storage position
04/1996
04/03/1996EP0704146A1 Device in cultivation implements
02/1996
02/20/1996US5492182 Harrow
01/1996
01/03/1996EP0689375A1 Flexible tooth with interchangeable elements for a ploughing apparatus
10/1995
10/24/1995CA2135197C Agricultural disc blade
09/1995
09/26/1995US5452768 Gauge depth control for soil tillage implement
08/1995
08/17/1995DE4404654A1 Device for removing and pulverising hop vine residues
07/1995
07/04/1995US5429016 Agricultural disc blade
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