| Patents for A01C 5 - Making or covering furrows or holes for sowing, planting, or manuring (4,507) |
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| 12/27/1990 | WO1990015520A1 Combination share arrangement |
| 12/27/1990 | EP0404241A1 Method and seed drill for placing seed grains into the ground |
| 12/27/1990 | EP0202229B1 Precision seed drills |
| 12/18/1990 | US4977841 Torsional joint attachment for a seed planter |
| 12/13/1990 | CA2018634A1 Agricultural implement |
| 12/12/1990 | EP0402290A1 Improved seed planting device, sowing machine and combined machine for preparing a seedbed and for sowing using the device |
| 12/12/1990 | EP0402289A1 Improved seed planting device, sowing machine and combined machine for preparing a seedbeed and for sowing using the device |
| 12/12/1990 | EP0401593A1 Coulter body for a dismountable and removable device for a normal seeding coulter |
| 12/06/1990 | DE3918117A1 Method of sowing several rows of cereals - involves drill coulter with angled back-filling blades and hollow faced rollers |
| 12/05/1990 | CN2066645U Man-power dual-wheel non-till wheat bunch planting machine |
| 12/04/1990 | US4974682 For use on golf course greens |
| 11/28/1990 | CN1047184A Excavator for transplanting nutritive cube |
| 11/27/1990 | CA1276839C Seed boot |
| 11/18/1990 | CA2017070A1 Planting tube |
| 11/06/1990 | CA1275866C Combined seed drill and fertilizer applicator |
| 11/06/1990 | CA1275864C Deep band fertilizer and double side band seeding attachment |
| 10/23/1990 | US4964351 Dry soil spreader for disk furrow opener |
| 10/03/1990 | EP0199926B1 Seed drill |
| 10/02/1990 | CA1274863A1 Rubber grease and dirt seal |
| 09/25/1990 | US4958688 Power driven golf hole cutting apparatus |
| 09/25/1990 | CA1274392A1 Arches driver |
| 09/20/1990 | WO1990010372A1 Improvements in or relating to tools |
| 09/12/1990 | EP0387110A1 Depth control for a seed planter |
| 09/11/1990 | US4955297 Seeding planter shoe for agricultural planters |
| 08/28/1990 | US4951584 Transplanter |
| 08/14/1990 | CA1272639A1 Ground-driven rotary row cleaner |
| 08/09/1990 | DE3903225A1 Mobile agricultural seed drill |
| 07/17/1990 | US4941416 Actuating mechanism for a ground-engaging tool |
| 07/17/1990 | CA1271668A1 Device for application of granular, gaseous or liquid material to soil |
| 07/17/1990 | CA1271667A1 Applicator and grain drill shank |
| 06/26/1990 | EP0366666A4 Agricultural implement. |
| 06/19/1990 | US4934289 Hole-forming gardening device |
| 06/19/1990 | US4934288 Tool for fertilizing plants, trees and shrubs |
| 06/13/1990 | EP0372901A2 Sensing and self-regulating down force system for seed drill openers |
| 06/12/1990 | US4932340 Subsoil placement apparatus |
| 06/12/1990 | US4932339 Bulb and bedding planter |
| 06/12/1990 | US4932338 Apparatus for transplanting seedings of nursery pans into beds |
| 05/30/1990 | EP0370984A2 Agricultural seed planter |
| 05/29/1990 | CA1269567A1 Pelletized material depositing tool |
| 05/22/1990 | US4926767 No-till drill providing seed and fertilizer separation |
| 05/22/1990 | CA2003343A1 Agricultural seed planter |
| 05/09/1990 | EP0366666A1 Agricultural implement |
| 05/01/1990 | US4920901 Double disc seed drill with V-shaped frame |
| 05/01/1990 | US4920900 Planting device attachable to an agricultural vehicle |
| 05/01/1990 | CA1268379A1 Air seeder boot |
| 04/24/1990 | US4919059 Planting apparatus |
| 04/24/1990 | CA1268080A1 Seed planter attachment |
| 04/10/1990 | US4915258 Seed meter seed tube |
| 04/10/1990 | CA1267570A1 Seed drill |
| 04/03/1990 | CA1267325A2 Furrow opener for seeder |
| 03/29/1990 | DE3831619A1 Method for sowing seed grains with a seed drill |
| 03/29/1990 | DE3825572A1 Mobile agricultural seed drill |
| 03/27/1990 | US4911249 Tool which uses soil as wearing edge |
| 03/27/1990 | US4911090 Seed boot |
| 03/21/1990 | EP0358947A2 Seed drill coulter cooperating with a roller |
| 03/21/1990 | CN1040478A Motor-driven chemical fertilizer hole-applicator |
| 02/20/1990 | US4901800 Cultivator tool for planting seedlings |
| 01/31/1990 | EP0352865A2 Device for cutting grooves in the ground |
| 01/31/1990 | CN2051812U Pivot machine for manuring and sowing |
| 01/24/1990 | CN2051430U Nutriment pot transplanting and dibbling machine |
| 01/23/1990 | US4895086 Parallel linkage planter carrier |
| 01/23/1990 | CA1264608A1 Planting device for plants |
| 01/18/1990 | DE3824061A1 Mobile agricultural seed device |
| 01/17/1990 | EP0350657A2 Seed drill with coulters |
| 01/17/1990 | EP0350634A2 Method for depositing grain seeds |
| 01/16/1990 | US4893572 Attachment for use with an agricultural seeding implement |
| 01/03/1990 | EP0349026A1 Tool for planting, removing and transplanting bulbs and garden or terrace plants |
| 12/13/1989 | EP0195808B1 Suspension mechanism for agricultural row unit |
| 12/13/1989 | CN2049067U Earthing-up hopper for dibbling and fertilising |
| 12/12/1989 | US4886002 Transplanting machine |
| 12/06/1989 | EP0344647A1 Seed drill |
| 12/06/1989 | EP0344207A1 Agricultural combined drill dispenser |
| 12/05/1989 | US4884638 Soil coring device with a core ejector mechanism |
| 12/05/1989 | CA1263567A1 Seed drill |
| 11/29/1989 | CN2048276U Ditch opener |
| 11/21/1989 | CA1263060A2 Packer wheel arrangement |
| 11/07/1989 | US4878443 Planter trash guard |
| 10/11/1989 | CN1036117A 蔬菜移栽机 Vegetable transplanter |
| 10/05/1989 | DE3808920A1 Furrow straightedge |
| 10/03/1989 | CA1262079A1 Trash seeders |
| 10/03/1989 | CA1262078A1 Ground-driven rotary row cleaner |
| 09/27/1989 | EP0334174A1 Tractor mounted transplanter |
| 09/26/1989 | CA1261205A1 Deep side-banding knife |
| 09/20/1989 | EP0332856A1 Single disc coulter |
| 09/07/1989 | DE3805925A1 Seed drill |
| 09/06/1989 | EP0331560A1 Seed drill press wheels |
| 09/06/1989 | EP0330919A1 Procedure for feeding seed into the ground by drill coulter |
| 07/11/1989 | US4846084 Leveling linkage for planter units |
| 07/11/1989 | CA1257146A1 Furrow opener for seeder |
| 07/04/1989 | US4844174 Press wheels for seed drills |
| 07/04/1989 | US4843982 Seed embedding implement |
| 06/29/1989 | DE3743032A1 Pressure roller or pressure cylinder rolling on the ground |
| 06/21/1989 | EP0320995A1 Apparatus for transplanting seedlings of nursery pans into beds |
| 06/21/1989 | EP0157840B1 Machine for ploughing furrows with parallel walls into grassland and lawns |
| 06/15/1989 | DE3740906A1 Horticultural rotary cultivator |
| 05/23/1989 | US4831945 Opener assembly with depth gauging from a press wheel |
| 05/02/1989 | US4825783 Method and means for agricultural seeding |
| 05/02/1989 | US4825782 Sweep-spike combination tillage tool |
| 04/19/1989 | EP0311833A1 Seed drill |
| 02/28/1989 | US4807710 Earth auger for planting bulbs |