| Patents for A01B 17 - Ploughs with special additional arrangements, e.g. means for putting manure under the soil, clod-crushers (305) |
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| 03/14/1995 | US5396851 Dual material dispensing assembly |
| 01/26/1995 | WO1995002315A1 Reversible plough |
| 01/26/1995 | DE4339254A1 "Plough with skim coulter" |
| 01/05/1995 | WO1995000002A1 Improved ploughing apparatus |
| 12/28/1994 | EP0630178A1 Combination of a reversible plough and seed preparation device |
| 12/22/1994 | WO1994028702A1 Plough and tilling unit |
| 09/15/1994 | DE4307871A1 Process and apparatus for soil improvement |
| 09/01/1994 | DE4306145A1 Appliance combination for the ploughing of useful agricultural areas and for ground reworking and/or ground cultivation |
| 08/10/1994 | EP0609216A1 Hood support assembly for an earth working machine. |
| 07/13/1994 | EP0606036A1 Automatic draw bar position inversing device and method of a soil working agricultural implement, and agricultural implement associated therewith |
| 07/07/1994 | WO1994014311A1 Ploughs for growing and digging up potatoes |
| 05/26/1994 | WO1994010826A1 Reversible plough |
| 05/26/1994 | CA2149113A1 Reversible plough |
| 04/19/1994 | US5303663 Method of treating soil to promote plant growth |
| 03/17/1994 | WO1994005144A1 Improvements to ploughs, arrangements and implements therefor and methods of cultivation using same |
| 03/02/1994 | EP0585060A1 Improvements relating to ploughs |
| 02/22/1994 | US5287933 Hood support assembly for an earth working machine |
| 02/15/1994 | US5285854 Stalk and root embedding apparatus |
| 02/03/1994 | DE4225068A1 Plough with outrigger coupled to main beam - has coupling which retracts to position behind and over plough beam when auxiliary implement not in use |
| 12/29/1993 | EP0576417A1 Driving device for reversible ploughe |
| 10/26/1993 | US5255748 Terracing attachment assembly for a moldboard plow |
| 10/20/1993 | EP0566491A1 Implement for injecting volatile products into the ground |
| 10/14/1993 | DE4212192A1 Machine for working stubble into soil after harvesting - consists of combined plough, swather and forecutter, swather being height adjustable tine wheel controlled by tensioned cable |
| 09/30/1993 | DE4209751A1 Swivel plough with spaced out symmetrical left and right turning bodies - has guide attachments connected to bodies for restricted swivel movement adjustable by stops. |
| 09/16/1993 | WO1993017541A1 Combination of a reversible plough and seed preparation device |
| 09/16/1993 | WO1993017540A1 Plough |
| 09/15/1993 | EP0560319A1 Reversible plough |
| 09/11/1993 | CA2091308A1 Arrangement of a combination agricultural instrument comprising a reversible plough and at least one after-coupled implement such as a packer, a harrow, a sowing machine, etc. |
| 08/19/1993 | DE4204256A1 Swinging plough for agricultural work - has double ploughshare which revolves about its symmetrical axis to activate left or right positions |
| 06/03/1993 | DE4213695C1 Coupling for plough and finishing implement - has front chain coupling point on side of extended centre line opposite plough frame |
| 04/29/1993 | WO1993007739A1 Hood support assembly for an earth working machine |
| 03/17/1993 | EP0532492A1 Plough with a driving device |
| 03/09/1993 | US5191945 Plow debris deflector |
| 02/18/1993 | WO1993002541A1 An improved plough and method of ploughing using such plough |
| 12/22/1992 | US5172769 Reversible tillage attachment for bidirectional mold board plow |
| 10/01/1992 | DE4110208A1 Preventing germination of weeds in agriculture - by simulating night-time conditions by encapsulating plough in light impermeable material |
| 08/13/1992 | DE4202259A1 Plough with heart-shaped share - has narrow pointed share for deep loosening of soil |
| 06/11/1992 | WO1992009188A1 A reversible, preparing, ploughing anchor |
| 04/15/1992 | EP0480695A1 Two-Way Ploughs |
| 12/11/1991 | CN2090144U High-frequency electromagnetic plough |
| 12/05/1991 | DE4022156A1 Agricultural attachment for tractor - has number of separate cutters and skimmers with holes fixed at intervals along transverse frame |
| 11/21/1991 | EP0457636A1 Apparatus for towing a groundworking implement behind a tractor-drawn turnrest plough |
| 10/09/1991 | EP0450436A1 Soil cultivating implement |
| 06/27/1991 | WO1991008660A1 Frontal plough |
| 05/22/1991 | EP0428495A2 Plough with additional implement |
| 05/22/1991 | EP0428087A1 Clod crusher |
| 05/16/1991 | DE3937820A1 Clod-breaking implement for attachment to plough - has levelling bar with knives running obliquely to rear |
| 04/18/1991 | DE4030366A1 Coupler for tractor drawn plough cultivator - has plough jib secured to plough body, and swivelable coupling hook |
| 01/10/1991 | DE4014546A1 Compacted tractor wheel tracks - are loosened in front of reversible plough by tilting tools mounted on frame |
| 12/27/1990 | WO1990015520A1 Combination share arrangement |
| 10/11/1990 | DE3905387A1 Device for reducing tensile force and wear when ploughing with a trailer |
| 08/09/1990 | DE3903212A1 Device for reducing the pulling force and wear during ploughing |
| 08/02/1990 | DE4001267A1 Kupplung Coupling |
| 07/19/1990 | DE3906503C1 Soil-working appliance |
| 08/15/1989 | US4856597 Soil working machine |
| 07/12/1989 | CN2040689U Turning cutter for returning stems of cereal crops to field |
| 07/04/1989 | US4844495 Drawbar |
| 06/01/1989 | DE3739237A1 Arrangement of a jib, intended for coupling to appliances to be drawn, on a plough or suchlike agricultural or forestry appliance |
| 03/09/1989 | DE3827170A1 Process for the homogenisation and improvement in fertility of agricultural soils by mechanical working and apparatus for carrying out the process |
| 12/22/1988 | DE3718381A1 Plough |
| 11/03/1988 | DE3712540A1 Plough follower |
| 10/06/1988 | DE3710023A1 Plough follower |
| 08/23/1988 | US4765261 Fluid injection cultivator |
| 08/03/1988 | EP0276596A1 Combination of a pulled reversible plough and an implement for treating and cultivating ploughed land, and method to work adjacent stretches of land with the aid of this combination |
| 08/02/1988 | US4760804 Air injection cultivator |
| 07/13/1988 | EP0274299A1 Hitching system for a reversible plough to connect a trailing implement |
| 01/20/1988 | EP0147442B1 Plough |
| 01/14/1988 | DE3637435C1 Reversible packer with lift-out follow-up appliances |
| 11/05/1987 | DE3714360A1 Arrangement for loosening the soil |
| 10/08/1987 | WO1987005777A1 Tiller machine |
| 09/30/1987 | EP0238935A2 Compact plough |
| 05/27/1987 | DE3631874A1 Drive device on or for a turnover plough |
| 05/20/1987 | EP0222377A1 Multi-furrow plough |
| 04/28/1987 | US4660480 Process and device for loosening agriculturally used soil |
| 03/04/1987 | EP0211998A2 Plough with a lateral arm to hitch and pull a trailing implement |
| 10/29/1986 | EP0199406A1 A plough |
| 10/29/1986 | EP0199113A2 Additional plough body for a reversible plough |
| 05/14/1986 | EP0181039A2 A plough |
| 05/07/1986 | EP0180261A1 Plough |
| 03/19/1986 | EP0174692A1 Soil-tilling implement |
| 02/26/1986 | EP0172261A1 Fastening device for pre-tools |
| 01/29/1986 | EP0169619A2 A plough |
| 01/07/1986 | CA1198891A1 Process and device for loosening agriculturally used soil |
| 07/10/1985 | EP0147442A1 Plough. |
| 06/19/1985 | EP0145222A1 Improved plough |
| 01/16/1985 | EP0053137B1 Block for transport lines |
| 12/06/1984 | WO1984004650A1 Plough |
| 04/25/1984 | EP0106308A2 Implement for working agriculturally utilized soil |
| 09/14/1983 | EP0088140A1 Plough having a plough frame with a lateral implement mount |
| 03/22/1983 | CA1143209A1 Self-balanced cultivating device for plows |
| 08/10/1982 | US4343366 Rotor tiller with reversely directed plow |
| 07/06/1982 | US4337712 Injection plow |
| 06/09/1982 | EP0053137A1 Block for transport lines. |
| 05/11/1982 | US4328870 Plough for working of soil |
| 04/27/1982 | CA1122470A1 Plough for working of soil |
| 12/10/1981 | WO1981003481A1 Block for transport lines |
| 02/17/1981 | US4250869 Fire plow |
| 07/29/1980 | CA1082527A1 Agricultural machine for working the ground |
| 11/06/1979 | US4173261 Agricultural furrowing assembly |
| 03/06/1979 | US4142590 Lubricating system for plow blades |