| Patents for A01B 13 - Ploughs or like machines for special purposes (1,205) |
|---|
| 01/09/2001 | US6171020 Pressure adjustable, soil cleating attachment for front of bulldozers |
| 01/03/2001 | CN2412354Y Adjustable spade for working subsoil |
| 12/27/2000 | CN2411652Y Suspended digger plough |
| 12/15/2000 | CA2275152A1 Land leveller |
| 12/12/2000 | US6158362 Expandable stinger planter |
| 11/30/2000 | CA2273555A1 Earth working device for a tractor |
| 11/15/2000 | EP0814646B1 Spot-cultivation system |
| 10/19/2000 | DE19917200A1 Mobile machine for producing raised beds for growing asparagus has scoop (10) at front of bed former with shutter between the two which can cut through heaped-up earth |
| 10/19/2000 | DE19917199A1 Raised bed forming method for growing asparagus comprises raising heap of earth with scoop of bed forming machine, adjusting its height and shaping it |
| 09/27/2000 | CN2397706Y Multifunction double-turning ridge-making plough |
| 09/19/2000 | US6119791 Apparatus/method for reforming cultivation rows |
| 08/01/2000 | CA2152338C Method and apparatus for preparing ground surface for tree planting |
| 07/20/2000 | WO2000041551A1 Agricultural implement |
| 07/12/2000 | CN2386600Y Bedder lister |
| 05/30/2000 | US6068061 Soil zone-builder coulter closer/tiller with vertical response mechanism and shank head |
| 05/30/2000 | US6067736 Spot-cultivation system |
| 04/26/2000 | CN2375068Y Front-end ditching machine |
| 04/20/2000 | WO2000021353A1 Enhanced minimun tillage planter/renovator system |
| 04/19/2000 | CA2286882A1 In-line sub-surface seeding, fertilizing and watering device |
| 03/29/2000 | CN2370661Y Furrowing machine |
| 03/01/2000 | CN2365859Y Machine for loosening subsoil of dry farmland |
| 02/23/2000 | CN2364661Y Bidirectional furrow-dammer for reversible plough |
| 02/23/2000 | CN2364660Y Machine for making ridge |
| 02/22/2000 | US6026908 Blade, particularly for blade-bearing chassis |
| 02/09/2000 | CN2362258Y Borders closing machine for farmland |
| 02/02/2000 | CN2361060Y Stubble-breaking furrow-damming plough for use in dry farmland |
| 02/02/2000 | CN2361059Y Ditching plough with single ploughshare |
| 01/11/2000 | US6012535 Mounting arrangement for a ripper shank |
| 01/11/2000 | US6012534 Minimum soil displacement chisel plow and soil firming wheel arrangement |
| 12/29/1999 | CN2355512Y 土豆收获机 Potato harvester |
| 12/22/1999 | CN2354312Y Cultivator with pneumatic lifting mechanism for making ridges |
| 11/16/1999 | US5984017 Multi-function tillage apparatus and method |
| 11/10/1999 | CN2347345Y Ridging machine |
| 11/10/1999 | CN2347344Y Ridge-working and soil-loosening hoeing machine |
| 10/27/1999 | CN2344946Y Under soil furrow opener |
| 10/12/1999 | US5964300 Wear shin for a tillage implement |
| 10/05/1999 | US5960890 For forming a terrace in a wetland |
| 09/29/1999 | CN2340149Y Spiral suspension balk making apparatus |
| 09/15/1999 | CN2337747Y Plough for making ridges |
| 09/15/1999 | CN2337746Y Spiral digging machine |
| 08/31/1999 | CA2237001C Frozen top soil cutter |
| 08/11/1999 | CN2332149Y Rotary ditching machine |
| 07/14/1999 | CN2328150Y Earth banking plow for hillside field furrows |
| 06/17/1999 | DE19855716A1 Plough blade angle adjustment device for earth working machine |
| 05/19/1999 | CN2318798Y Double-shared mounting earth banking and ditching machine |
| 04/21/1999 | CN1214188A Suspended double-shared ridging and ditching machine |
| 03/02/1999 | US5875573 Vertical spin ditcher with 3 point hitch |
| 11/04/1998 | EP0874541A1 Blade, particularly for blade-bearing chassis |
| 10/28/1998 | CN2295308Y Ditching machine |
| 10/13/1998 | US5819855 Enhanced minimum tillage planter/renovator system |
| 08/25/1998 | US5797460 Straight bar tillage implement |
| 08/12/1998 | CN2287361Y Disc ridge making machine |
| 08/04/1998 | US5787991 Adjustable angle ridger for a cultivator |
| 06/25/1998 | DE19652643A1 Soil cultivator to loosen subsoil |
| 05/05/1998 | US5746261 Remotely controlled stump cutter or similar apparatus |
| 04/28/1998 | US5743341 Toolbar mounting structure providing tool adjustment in the hitch area |
| 02/04/1998 | CN2273484Y Multi-function plough for leveling field |
| 01/07/1998 | EP0814646A1 Spot-cultivation system |
| 12/17/1997 | CN2270345Y Orchard furrower |
| 12/09/1997 | US5695012 Adjustable subsoiler with staged shanks |
| 11/25/1997 | US5689906 Method and apparatus for preparing ground surface for tree planting |
| 11/20/1997 | WO1997042804A1 Appliance for working forestry land |
| 11/19/1997 | CN2267613Y Spiral ridges-making machine |
| 09/24/1997 | CN2262791Y Mulching film crop ridger |
| 08/26/1997 | US5660126 Method and apparatus for no-till planting |
| 07/10/1997 | WO1997024025A1 Soil-loosening equipment |
| 07/10/1997 | WO1997024024A1 Blade, particularly for blade-bearing chassis |
| 06/17/1997 | US5638619 Protective operator's station for a remotely controlled stump cutter or similar apparatus |
| 06/04/1997 | CN2255133Y Machine for making large ridges |
| 05/28/1997 | CN2254617Y Machine for making ridges |
| 04/30/1997 | CN2253103Y Ditching machine |
| 04/22/1997 | US5622228 Tool for making raised beds |
| 03/19/1997 | CN2249486Y Trenching apparatus |
| 03/19/1997 | CN2249485Y Trenching apparatus |
| 02/25/1997 | US5605196 Multi-piece subsoiler unit for an agricultural implement |
| 02/20/1997 | WO1997005762A1 Plough |
| 02/11/1997 | US5600904 Impact driven tree transplanting apparatus |
| 01/22/1997 | CN2245325Y Furrowing machine |
| 01/02/1997 | DE19522821A1 Extra fitment for rotary cultivators, garden tractors etc. |
| 09/26/1996 | WO1996028961A1 Spot-cultivation system |
| 09/26/1996 | CA2215957A1 Spot-cultivation system |
| 07/30/1996 | US5540288 Adapted to be drawn by a tractor |
| 07/02/1996 | US5531277 Bent wing sweep |
| 06/05/1996 | EP0521135B1 Tilling apparatus with helical blades and blades therefor |
| 03/20/1996 | EP0478749B1 Ripper assembly with pitch control and integral frame and push block |
| 03/19/1996 | US5499685 Strip tillage soil conditioner apparatus and method |
| 03/13/1996 | CN2221857Y Soil-crashing, ditch-building and border-erecting machine for field of planting cured tobacco |
| 03/06/1996 | EP0699022A1 Method and means for planting of tree plants |
| 03/06/1996 | CN2221287Y Pressure rising and falling ridge-making cultivator plough |
| 03/05/1996 | US5495814 Sub-zone tiller with offset fertilizer placement |
| 02/29/1996 | WO1996006232A1 Apparatus for laying sub-surface pipes and cables |
| 02/13/1996 | US5490340 Root grubber |
| 12/26/1995 | US5477931 V ditching machine |
| 11/15/1995 | CN1030262C Schotterplug |
| 10/26/1995 | WO1995028076A1 Soil working device |
| 10/25/1995 | CN2210513Y Chisel-teeth type omnibearing deep-loosening soil-working machine |
| 10/19/1995 | DE4413289A1 Bodenbearbeitungsgerät Harrow |
| 10/04/1995 | CN2208767Y Chiselled tooth type omnibearing deeply loosening soil-working machine |
| 08/31/1995 | DE19506244A1 Implement for adding various substances into soil |
| 08/17/1995 | DE4404516A1 Method of cultivation |