Patents for A01B 31 - Drags (161)
12/2014
12/02/2014US8899899 Tool shield retainer clip
09/2014
09/24/2014EP2781656A1 Implement for a caterpillar track machine for spreading gravels, aggregates or the like
08/2014
08/26/2014US8813864 Support system for a box blade attached to a tractor
12/2013
12/31/2013US8616298 Mounting structure for mounting a depth control member to a row unit of an implement
10/2013
10/02/2013EP2644011A1 Earth working apparatus
03/2013
03/05/2013US8387715 Bushing for mounting a laterally adjustable pivot arm
12/2011
12/21/2011CN202077347U 一种双翼微型耱 One kind of miniature wings Mo
09/2011
09/28/2011EP2369064A2 Blade segment and blade assembly for a surface working vehicle
08/2011
08/25/2011US20110203817 Trail grooming device
08/09/2011US7992649 Turf leveling device
05/2011
05/25/2011CN201839591U Miniature land leveler
03/2011
03/29/2011CA2448635C Multiple blade agricultural grader
03/16/2011CN201758520U Tractor-trailed land leveler
10/2010
10/13/2010EP2238298A1 Laser controlled land levelling machine
10/06/2010EP2236019A1 A ground levelling device
12/2009
12/30/2009WO2009032075A3 Drag mat
10/2009
10/13/2009US7600575 Modified box scraper system and apparatus with trench backfill blade
09/2009
09/08/2009US7584805 Box scraper
08/2009
08/18/2009US7575067 Scraper system
08/13/2009US20090200047 Modified box scraper system and apparatus with trench backfill blade
08/04/2009US7568439 Fertilizer knife and point structure
07/2009
07/30/2009US20090188684 Land Clearing Rake
07/16/2009WO2009087439A1 Laser controlled land levelling machine
06/2009
06/03/2009CN201248238Y Hand plow
05/2009
05/14/2009US20090120340 Fertilizer knife and point structure
05/13/2009CN201234443Y Harrow
03/2009
03/24/2009US7506595 Agricultural furrowing tool
03/19/2009US20090071668 Drag mat
03/12/2009WO2009032075A2 Drag mat
01/2009
01/27/2009US7481278 System and method for a disc opener with gauge wheel depth adjustment assembly
01/13/2009CA2514822C Retractable grader
12/2008
12/24/2008EP1681913A4 Earth scraper with track apparatus
12/16/2008US7464767 Disc opener for an agricultural planting apparatus
05/2008
05/06/2008US7367144 Wear member for excavating equipment
04/2008
04/16/2008EP1909553A1 Maintenance apparatus for grass surfaces
03/2008
03/06/2008US20080053674 Modified box scraper system and apparatus
02/2008
02/20/2008EP1438460B1 Comminution machine
02/19/2008US7331402 Device for attaching blades to rings connected to a rotating shaft for an agricultural machine
08/2007
08/14/2007US7255179 Cultivator sweep assembly
05/2007
05/10/2007US20070102172 Rotating scraper
05/10/2007US20070102171 Device For Soil Cultivation
05/03/2007WO2007050761A2 Single pass plows
04/2007
04/26/2007US20070089888 Single pass plow
04/19/2007US20070084093 Method and device for air-assisted moving of soil in an earth moving apparatus
04/03/2007US7198428 Comminution machine
02/2007
02/08/2007WO2007015072A1 Maintenance apparatus for grass surfaces
01/2007
01/23/2007US7165346 Method and device for air-assisted moving of soil in an earth moving apparatus
11/2006
11/09/2006US20060249293 Front-end loader finish grading apparatus
10/2006
10/10/2006US7117953 Scraping device and a system and a method for collecting materials
08/2006
08/29/2006US7096971 Bi-directional drag grader
08/02/2006EP1349442B1 Adjustment device for an agricultural machine
07/2006
07/26/2006EP1681913A2 Earth scraper with track apparatus
07/18/2006US7077216 Earth scraper with track apparatus
07/18/2006US7077215 Trap rake steering travel limiter
07/05/2006CN1798895A Air-assisted loading bucket scraper and air-assisted loading methods
06/2006
06/08/2006US20060118313 Surface-contouring implement
04/2006
04/20/2006US20060081385 Ground scraper
03/2006
03/22/2006EP1636431A2 Air-assisted loading bucket scraper and air-assisted loading methods
12/2005
12/29/2005WO2005042855A3 Earth scraper with track apparatus
12/22/2005WO2005120206A1 Combination rake and grubber implement
07/2005
07/14/2005US20050150668 Box scraper with scarifier
07/05/2005US6913086 Skimmer
05/2005
05/12/2005WO2005042855A2 Earth scraper with track apparatus
05/12/2005CA2544122A1 Earth scraper with track apparatus
04/2005
04/21/2005US20050082070 Earth scraper with track apparatus
04/07/2005WO2004098784A3 Air-assisted loading bucket scraper and air-assisted loading methods
04/07/2005US20050072028 Method and device for air-assisted moving of soil in an earth moving apparatus
03/2005
03/03/2005US20050045756 Comminution machine
01/2005
01/25/2005US6845824 Air assisted loading bucket scraper and air assisted loading methods
01/18/2005US6843325 Operator actuated electro-mechanical drag mat lift assembly
12/2004
12/21/2004CA2226236C Tractor drawn scraper with folding wings
12/15/2004CN2662602Y Farmland Levelling machine
11/2004
11/18/2004WO2004098784A2 Air-assisted loading bucket scraper and air-assisted loading methods
11/18/2004CA2524231A1 Air-assisted loading bucket scraper and air-assisted loading methods
11/04/2004US20040216905 Air assisted loading bucket scraper and air assisted loading methods
07/2004
07/21/2004EP1438460A1 Comminution machine
07/20/2004US6763618 Combination rake and grubber implement
07/15/2004DE202004003606U1 Device for leveling area used for horse riding, comprising frame suspended from adjustable chains
05/2004
05/25/2004US6739404 Wheel supported implement for working and grading soil
03/2004
03/23/2004US6708776 Turf manicuring drag net apparatus
03/18/2004US20040050564 Box scraper assembly with self-guiding hitch system for attachment to tractor implements
03/04/2004US20040040725 Skimmer
01/2004
01/14/2004EP1380199A1 Triple-rake levelling machine
01/06/2004US6672401 Towable box grader with electronically controlled continuously variable multi-axis blade system
12/2003
12/18/2003US20030230421 Towable box grader with electronically controlled continuously variable multi-axis blade system
11/2003
11/18/2003US6648078 Apparatus for folding over corn stalk stubble and the like
04/2003
04/17/2003WO2003031725A1 Comminution machine
04/17/2003CA2466721A1 Comminution machine
03/2003
03/27/2003US20030056962 Operator actuated electro-mechanical drag mat lift assembly
02/2003
02/25/2003US6523619 Dirt grading implement
01/2003
01/30/2003CA2354980A1 Seed bed soil conditioner
01/23/2003US20030015329 Turf manicuring drag net apparatus
01/01/2003CN1388740A Harrow for tractor
11/2002
11/14/2002DE10140596A1 Seedbed preparing machine, has spiral arrangement of soil working tools on skewed roll
10/2002
10/22/2002US6467552 Land levelling device
10/10/2002US20020144828 Wheel supported implement for working and grading soil
08/2002
08/21/2002EP1232680A1 Agricultural tool levelling bar
05/2002
05/10/2002WO2002011518A3 Harrow for tractor
03/2002
03/26/2002US6360827 Method and apparatus for a transportable box blade assembly
02/2002
02/14/2002WO2002011518A2 Harrow for tractor
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