| Patents for A01C 5 - Making or covering furrows or holes for sowing, planting, or manuring (4,507) |
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| 02/28/1989 | US4807543 Seedling planter |
| 02/22/1989 | CN2032788U Precision seeding and manuring gun |
| 02/21/1989 | CA1250185A1 Planting machine |
| 01/17/1989 | US4798151 Fertilizer furrow opening device for attachment to a seed boot |
| 01/17/1989 | CA1248821A1 Drill frame construction |
| 01/11/1989 | CN2030402U Manuring and furrow-planting machine for wheat |
| 01/10/1989 | US4796550 Single angled blade coulter and fertilizer opener |
| 01/03/1989 | CA1248082A1 Power driven golf hole cutting apparatus |
| 12/28/1988 | EP0296288A1 Tool for working a medium such as the soil |
| 12/21/1988 | CN88201717U Apparatus for seeding by foot |
| 12/20/1988 | CA1247163A1 Disk blade scraper |
| 12/01/1988 | WO1988009115A1 Agricultural implement |
| 11/23/1988 | EP0291901A1 Single grain seeder |
| 11/22/1988 | US4785890 Ground-driven rotary row cleaner |
| 11/08/1988 | US4782774 Deep band fertilizer and double side band seeding attachment |
| 11/08/1988 | CA1244291A1 Furrow opener operating apparatus |
| 11/01/1988 | US4781129 Debris and soil shaver |
| 10/25/1988 | US4779684 Method and apparatus for extracting plant stalks and for reshaping beds |
| 10/19/1988 | EP0286730A1 Kit for a seed drill with exchangeable seed boots |
| 09/28/1988 | CN87212384U Rear digging machine of walking tractor |
| 09/20/1988 | CA1242116A1 Delivery boot for pneumatic delivery systems for grain and/or granular fertilizer |
| 09/20/1988 | CA1242115A1 Seed planter attachment for chisel plow |
| 09/14/1988 | EP0281802A1 Device for covering furrows |
| 09/13/1988 | US4770112 Combination seeding, tilling and fertilizing implement |
| 09/01/1988 | DE3704126A1 Fertiliser placement drill |
| 08/30/1988 | US4766962 Furrow forming apparatus for attachment to a tool bar |
| 08/25/1988 | WO1988005997A1 Agricultural combined drill dispenser |
| 08/23/1988 | US4765263 Apparatus for placement of fertilizer below seed with minimum soil disturbance |
| 08/23/1988 | US4765262 Three disk opener assembly |
| 08/09/1988 | US4762075 Seed/fertilizer minimum tillage planter |
| 08/02/1988 | US4760806 Conservation opener |
| 08/02/1988 | CA1239835A1 Seed/fertilizer placement system for minimum tillage application |
| 07/26/1988 | US4759411 Selective pivotal mounting arrangement for coulters |
| 07/26/1988 | US4759301 Seed drill |
| 07/13/1988 | CN87208289U Upmilling-disc type trencher on the nutricent bowl transplanter |
| 06/23/1988 | DE3740746A1 Saeschar fuer eine drillmaschine Coulter for a drill machine |
| 06/21/1988 | US4751971 Automatic augering device and method |
| 06/14/1988 | US4750441 Furrow opening assembly |
| 06/14/1988 | US4750440 To be drawn behind an agricultural implement |
| 06/14/1988 | CA1237948A1 Banding knife apparatus |
| 05/31/1988 | US4747357 Mini seeder |
| 05/18/1988 | CN87211797U Bedder lister |
| 05/17/1988 | US4744316 Furrow forming apparatus for a seed planter |
| 05/11/1988 | EP0266643A2 Transplanting machine |
| 05/11/1988 | EP0266527A1 Drill |
| 05/04/1988 | EP0266291A1 Cultivating and sowing combination |
| 05/03/1988 | CA1235953A1 Seeding apparatus with fertilizer spreader |
| 04/21/1988 | DE3635291A1 Appliance for making parallel-walled furrows in grassland and the like |
| 04/14/1988 | DE3633685A1 Seed drill |
| 04/12/1988 | US4736803 Self-adjusting scrapers for double disk openers |
| 04/12/1988 | US4736694 Containerized planter |
| 04/12/1988 | CA1235023A1 Agricultural row crop planter with rear-driven row units |
| 04/05/1988 | US4735158 Planting machine |
| 03/30/1988 | EP0261569A2 Sowing machine |
| 03/29/1988 | US4733730 For agricultural equipment |
| 03/23/1988 | CN87208851U Portable drill coulter |
| 03/22/1988 | US4732398 Bellows-type bearing seal and method of use |
| 03/10/1988 | WO1988001471A1 Seed distributor for sowing machines |
| 03/01/1988 | CA1233372A1 Adjustable width closing wheels for planter row units |
| 02/23/1988 | US4726304 Seed drill |
| 02/23/1988 | CA1233075A1 Tillage and seeding implement with trailing opener and press wheel gangs |
| 02/09/1988 | US4723495 Single blade sealer for fertilizer applicator |
| 02/03/1988 | EP0254984A1 Method and apparatus for controlling the working depth of furrow openers for seed drills |
| 01/26/1988 | US4721048 Trash seeder |
| 01/26/1988 | US4721047 Apparatus for planting seed and fertilizer |
| 01/26/1988 | CA1231868A1 Furrow opener and follower blade |
| 01/05/1988 | US4717561 Precipitated silica carrier for vitamins |
| 12/22/1987 | US4714033 Shank-mounted press wheel assembly |
| 12/17/1987 | DE3620125A1 Seed drill for the zero-tillage method |
| 12/15/1987 | US4712492 Implement position adjusting device |
| 12/03/1987 | DE3618202A1 Seed drill |
| 12/02/1987 | CN87201892U Semi-automatically applying fertilizer and dibbling pick |
| 11/19/1987 | WO1987006791A1 Method and apparatus for mechanised planting, especially of young trees |
| 11/17/1987 | US4706582 Planting device for plants |
| 11/04/1987 | CN87202053U Ground drilling seeder |
| 10/14/1987 | CN87201958U Large-sized trench digger with double dishes |
| 09/22/1987 | US4694760 Standing seed planter |
| 09/22/1987 | US4694759 Seed drill |
| 09/10/1987 | DE3607267A1 Cut-through sowing appliance |
| 09/10/1987 | DE3607266A1 Method and appliance for the sowing of fine seeds |
| 09/08/1987 | US4691645 Seed planter attachment |
| 08/18/1987 | US4686914 Seed planter |
| 07/28/1987 | US4682659 Ground piercing attachment for tractors |
| 06/23/1987 | US4674419 Furrow opener for seeder |
| 06/16/1987 | US4672901 Auger hole dirt retainer |
| 06/09/1987 | US4671193 Planting tool |
| 06/02/1987 | US4669922 Delivery boot for pneumatic delivery systems for grain and/or granular fertilizer |
| 06/02/1987 | US4669550 Rotary scraper for planter disks |
| 05/27/1987 | EP0223133A1 Drill |
| 05/14/1987 | DE3540237A1 Seeder movable by tractive force |
| 05/06/1987 | CN85203087U Narrow disk machine for making furrows |
| 04/22/1987 | EP0218585A1 Apparatus in dispensing machines for agriculture |
| 04/08/1987 | EP0217387A2 Drill coulter for a seed drill |
| 03/31/1987 | US4653790 Treasure digging tool |
| 03/31/1987 | US4653412 Deep band fertilizer and double side band seeding attachment |
| 03/18/1987 | EP0214369A1 Combined machine for depositing seeds |
| 03/10/1987 | US4648466 Furrow opener operating apparatus |
| 03/03/1987 | US4646663 Fertilizer disc assembly for a planter |
| 02/26/1987 | DE3528960A1 Seed drill |
| 02/04/1987 | EP0210517A1 Seeder |