| Patents for A01B 15 - Elements, tools, or details of ploughs (1,961) |
|---|
| 08/06/1992 | WO1992012616A1 Tilling apparatus with helical blades and blades therefor |
| 08/05/1992 | CN2111619U High speed and low resistance plow body |
| 07/08/1992 | CN2109054U Single-furrow plow drawn by tractor |
| 06/11/1992 | WO1992009188A1 A reversible, preparing, ploughing anchor |
| 06/10/1992 | CN2106479U Multi-purpose serial plough |
| 06/09/1992 | US5119888 Replaceable edge for trenching plow blade |
| 06/03/1992 | CN2105826U Share type resistance reducing plough with through hole |
| 04/29/1992 | EP0483033A1 Agricultural soil-working machine with a rotor extending obliquely with regard to the direction at work |
| 04/29/1992 | EP0317570B1 Plough with symmetrical bodies |
| 04/24/1992 | WO1992006579A1 Plough |
| 04/24/1992 | WO1992006578A1 Tillage implements |
| 04/24/1992 | CA2094517A1 Tillage implements |
| 04/24/1992 | CA2094516A1 Plough |
| 04/22/1992 | EP0481883A1 Improvement of the articulation of a large width plough |
| 04/22/1992 | CN2101984U Single beam double-bladed plough |
| 04/15/1992 | EP0480695A1 Two-Way Ploughs |
| 04/14/1992 | US5103918 Tillage unit |
| 03/24/1992 | US5097908 Farm machine for working the soil |
| 03/05/1992 | DE4027380A1 Method of improving low moor-land with sand sub strata - involves use of deep plough share and second smaller share to plough two tier furrow |
| 02/26/1992 | EP0471719A1 Tilling wheel for free rotatable mounting on an axle fixed to the frame of a plough. |
| 02/26/1992 | CN2096864U Rolling plough |
| 02/20/1992 | DE4025989A1 Agricultural seed sowing appts. - has earth surface subjected to minimal seed bed prepn. immediately ahead of sowing operation |
| 02/19/1992 | EP0470990A1 Tilling wheel for rotatable mounting to the frame of a plough. |
| 02/13/1992 | DE4025016A1 Soil deep ploughing implement - loosens soil without inverting it, using share and skimmer |
| 02/05/1992 | EP0469871A1 Reversible moldboard plow |
| 01/23/1992 | WO1992000661A1 Plough body for a plough having a symmetrical body |
| 01/07/1992 | US5078217 Reversible plow |
| 12/31/1991 | US5076370 Mounting assembly for a grader moldboard |
| 12/31/1991 | US5076368 Reversible plow |
| 12/04/1991 | CN1056614A Device for working land |
| 11/13/1991 | CN2088322U 犁头 Ploughshares |
| 11/12/1991 | US5063999 Moldboard plow apparatus for switching soil strips from one furrow to another |
| 10/29/1991 | US5060586 Disc blade scraper device |
| 10/24/1991 | WO1991015942A1 Plough frame comprising at least one body having a plough board and a single ploughshare acting in both ploughing directions |
| 10/24/1991 | CA2081215A1 Plow frame comprising at least one body having a ploughboard and a single ploughshare acting in both ploughing directions |
| 09/25/1991 | EP0448500A1 Device for working the land |
| 09/23/1991 | CA2038863A1 Agricultural shares |
| 09/18/1991 | CN2084710U 组合式犁铧 Combined Plowshare |
| 08/28/1991 | CN2083393U Tractor plow |
| 08/27/1991 | CA1287995C Arrangement in a combined depth and transport wheel for a turning plow |
| 08/13/1991 | CA1287516C Banding knives and the like |
| 07/16/1991 | CA1286140C Scraper device for an agricultural implement |
| 07/09/1991 | CA1285807C Tool for working a medium |
| 07/03/1991 | CA2007011A1 Anti-skewing device for a farming implement |
| 06/20/1991 | CA2026422A1 Adjustable disc scraper |
| 06/18/1991 | US5024281 Reversible moldboard plow |
| 06/12/1991 | CN2078516U Wrigging-type plough |
| 06/05/1991 | CN2078071U Amphibious plough with adjustable plough face angle |
| 06/04/1991 | US5020603 Reversible plow |
| 05/29/1991 | EP0429138A1 A soil cultivating machine |
| 05/29/1991 | DE4035355A1 Ploughshare in two sections - has one share pointed and projecting beyond edge of other share |
| 05/29/1991 | CN1051658A Tillage machine for mountain area |
| 05/22/1991 | CN2077183U Spiral progressive plough |
| 05/15/1991 | CN2076739U Combined adjustable triangle series ploughshare |
| 05/08/1991 | CN2076296U Magnetic share with movable edge for dry land |
| 05/08/1991 | CN2076295U Tractor-mounted helical plough |
| 04/30/1991 | US5010960 Method of tilling with improved draft connection |
| 04/23/1991 | CA1283328C Shank mounting assembly for soil opening point |
| 04/10/1991 | EP0420971A1 Plough with symmetrical body, with adjustable variable angle of attack and variable working width |
| 03/27/1991 | CN2073641U Multi-share plough for working soil |
| 03/20/1991 | CN2073203U 犁 Plow |
| 03/19/1991 | US5000267 Towed by a tractor |
| 03/19/1991 | CA1281583C Deep tillage implement |
| 03/06/1991 | EP0415907A1 Tractor mountable plough, perpendicularly adjustable to the direction of travel and parallel to the ground |
| 01/30/1991 | CN1048782A Plow |
| 01/29/1991 | US4987959 Farm machine for working the soil |
| 01/17/1991 | DE3922061A1 Tractor-mounted planting machine - has frame with two longitudinal memory connected to three-point linkage |
| 01/16/1991 | CN1048480A Ploughshare making process by using wear-resistant spheroidal cast iron to substitute manganess steel |
| 01/15/1991 | US4984638 Plow with symmetrical bodies having concave vertical and horizontal cross-sections |
| 12/27/1990 | EP0202229B1 Precision seed drills |
| 12/19/1990 | CN1010826B Magnetized plough |
| 12/11/1990 | US4976566 Tool mounting assembly |
| 11/22/1990 | EP0397873A1 Plough |
| 11/03/1990 | WO1990013218A1 Tilling wheel for freely rotatable mounting on an axle fixed to the frame of a plough |
| 11/03/1990 | WO1990013217A1 Tilling wheel for free rotatable mounting on an axle fixed to the frame of a plough |
| 11/01/1990 | WO1990012490A1 Plough with symmetrical body, with adjustable variable angle of attack and variable working width |
| 10/31/1990 | CN2064563U Dual-purpose tillage machine for paddy field and dry land |
| 10/25/1990 | DE4011109A1 Verstellbarer pflug Adjustable plow |
| 10/24/1990 | CN2064150U Multi-function plough with parallelogram frame |
| 10/18/1990 | WO1990011677A1 Plough |
| 10/03/1990 | EP0390691A1 Support wheel for reversible plough, for work and for transport |
| 10/03/1990 | EP0389591A1 Plough with symmetrical body |
| 09/05/1990 | EP0385900A1 Tine for working the soil |
| 09/05/1990 | EP0385854A1 Multi-furrow plough with working-width adjustment |
| 08/21/1990 | CA1272903A1 Method and apparatus for removing a tillage tool from a shank |
| 08/14/1990 | US4947770 Coulter and fertilizer applicator linkage arrangement |
| 07/18/1990 | EP0377608A1 Plough |
| 07/18/1990 | CN1043847A Multi-purpose plough |
| 07/05/1990 | DE3900086A1 Adjusting device with a sensor for an implement, in particular a two-way turn-over plough |
| 07/04/1990 | EP0375719A1 Plough |
| 07/03/1990 | CA1271079A1 Device for adjusting the distance between soil working tools |
| 06/20/1990 | EP0374052A1 Plough regulation devices |
| 06/12/1990 | US4932478 Tooth point for earth working |
| 06/12/1990 | US4932475 Blade plow with resilient mounting |
| 05/31/1990 | WO1990005446A1 Plough |
| 05/15/1990 | US4924946 Apparatus for deep plowing highly compacted soil |
| 05/02/1990 | CN2056554U Lift multi-purpose plow |
| 04/25/1990 | EP0364751A1 Traction point position control method and device for a tractor with a plough |
| 04/05/1990 | DE3833534A1 Regulating method and device for operating a train consisting of a farm tractor and of a plough |
| 03/27/1990 | US4911249 Tool which uses soil as wearing edge |