| Patents for A01C 5 - Making or covering furrows or holes for sowing, planting, or manuring (4,507) |
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| 06/08/1993 | CA1318815C Planting tube |
| 05/27/1993 | DE4138633A1 Agricultural seed drill attachment for clearing blocked drill coulters - comprises several spiked discs adjustably fixed to hub sleeves on transverse rotating axle supported on bearer arms which are pivoted on stub axles |
| 05/27/1993 | DE4138152A1 Seed drill machine spreader for covering seed with soil - consists of pivoted lever partly horizontal and partly vertical with curved pincer like ends and has clamping springs |
| 05/12/1993 | EP0540995A1 Furrowing device for direct sowing |
| 05/11/1993 | US5209534 Take-apart post hole digging tool |
| 05/05/1993 | CN2131279Y Suspension type maize seeder |
| 05/05/1993 | CN2131278Y No-tillage drill double-type operation machine |
| 04/28/1993 | CN2130324Y Hand hole making device for mulching film culture |
| 04/27/1993 | US5205228 Star wheel seed planter |
| 04/15/1993 | WO1993006706A1 A seeder |
| 04/15/1993 | CA2120529A1 A seeder |
| 04/07/1993 | CN2129054Y Core-furrow furrow-making device |
| 03/24/1993 | EP0533246A1 Device for making sowing furrows in a lawn |
| 03/18/1993 | DE4123854A1 Combined fertilizer spreading and seed sowing machine - comprises sowing shares followed by roller with furrow cutter in between |
| 03/17/1993 | EP0506661A4 Direct drill stump jump seeder |
| 02/18/1993 | WO1993002543A1 Planting tool |
| 01/21/1993 | DE4220278A1 Agricultural implement towed by tractor for making holes in ground for planting - consists of number of scoops, with blade and spade, on radial arms fixed to revolving drum mounted on frame |
| 12/22/1992 | CA1311652C Soil opening point for seed or fertilizer placement |
| 12/15/1992 | US5170729 Fertilizer dispenser with closure at pointed tip |
| 12/01/1992 | CA2048256A1 Parallel arm floating hoe |
| 11/24/1992 | US5165351 Apparatus and method for planting seeds, fertilizing and applying chemicals using biodegradable applicator tape |
| 11/10/1992 | US5161472 Multi-function draft implement |
| 11/03/1992 | US5159985 Agricultural insert |
| 10/28/1992 | CN2119751U Spiral making hole machine for planting trees |
| 10/28/1992 | CN2119750U Making hole device for cultivated plant |
| 10/27/1992 | US5158411 Seed planting device |
| 10/22/1992 | DE4138154C1 Fertiliser placing ground share - has curved cutting edge and includes pivot joint and yielding part |
| 10/07/1992 | EP0506661A1 Direct drill stump jump seeder. |
| 09/30/1992 | CN2117020U Fertilising sower with functions of checking position and making layers |
| 09/30/1992 | CN2117019U Loader on seed plough |
| 09/16/1992 | EP0503938A1 Star wheel seed planter |
| 09/09/1992 | CN1018143B Excavator for transplanting nutritive cube |
| 09/02/1992 | EP0501836A1 Seed sowing apparatus |
| 09/02/1992 | CN2114273U Disk trench digger drwan by hand tractor |
| 08/26/1992 | CN1017955B Vegetable transplanting machine |
| 08/25/1992 | US5140917 Method and apparatus for seeding agricultural crops |
| 08/11/1992 | US5136954 Device for application of granular, gaseous or liquid material to soil |
| 07/28/1992 | US5133269 Plant hole digger with cylindrical cutter |
| 07/21/1992 | US5131570 Seed dispensing device for repairing divots |
| 06/17/1992 | DE4039966A1 Sowing shape assembly - has left and right shapes, with intermediate plates of different form and number as required by type of crop |
| 06/10/1992 | CN2106482U Pinhole slotter for the mulching film |
| 05/20/1992 | EP0486115A1 Manure applicator device |
| 05/19/1992 | US5113952 Auger planter method |
| 05/06/1992 | CN2103238U Combined knife of furrowing machine for wheat field |
| 04/22/1992 | CN2101987U Arrow shovel type double-layer seed fertilizer separated trench excavator |
| 04/21/1992 | US5105578 Fertilizer applicating tool |
| 04/21/1992 | CA1299028C Seed boot |
| 04/16/1992 | CA2053387A1 Trash clearing brush unit for a planter |
| 04/15/1992 | CN2101358U Digging machine with bent blade |
| 03/26/1992 | DE4121218A1 Ground cultivator with roller and drilling shares - has automatic height adjustment of shares according to penetration depth of roller |
| 03/17/1992 | US5095832 Modified seed planter and adapter apparatus therefor |
| 03/03/1992 | US5092255 Seed boot extension |
| 02/20/1992 | DE4025989A1 Agricultural seed sowing appts. - has earth surface subjected to minimal seed bed prepn. immediately ahead of sowing operation |
| 02/13/1992 | DE4122638A1 Applicator for liq. fertiliser - has sharp disc, tube releasing liq. at bottom of slit, and skewed slit closing discs |
| 01/28/1992 | CA1294829C Shank mounted press wheel assembly |
| 01/21/1992 | US5082063 Mixing head for soil tillage |
| 01/21/1992 | US5081942 Depth adjusting device for a furrow opener |
| 01/14/1992 | US5080027 Seed planter ground hole manual tool |
| 01/14/1992 | CA1294177C Conservation opener |
| 12/31/1991 | US5076180 Trash clearing brush unit for a planter unit |
| 12/24/1991 | US5074227 Seed planting apparatus |
| 12/11/1991 | CN2090145U Machine for making furrow |
| 12/05/1991 | DE4022156A1 Agricultural attachment for tractor - has number of separate cutters and skimmers with holes fixed at intervals along transverse frame |
| 11/26/1991 | US5067571 Auger planter |
| 11/12/1991 | US5063863 Tree fertilizing tool using an auger and measuring means |
| 10/29/1991 | US5060586 Disc blade scraper device |
| 10/29/1991 | US5060585 Agricultural seed planter |
| 10/23/1991 | EP0453420A1 Item of farm machinery for the preparation of hard-packed soil for seeding, with utensils whose angle can be adjusted |
| 10/01/1991 | US5052314 Planting tube |
| 09/17/1991 | CA1289014C Row crop planter convertible between narrow and wide row spacing |
| 09/10/1991 | CA1288639C Subsoil placement apparatus |
| 09/04/1991 | CN2083833U Furrowing sower |
| 08/20/1991 | US5040471 Hand vegetable transplanter with assembly for varying quantity of liquid dispensed. |
| 07/24/1991 | CN2081188U Multi-functional universal implement for cotton field |
| 07/24/1991 | CN2081187U Multi-purpose seeder |
| 07/23/1991 | US5033398 Air seeder boot |
| 07/17/1991 | EP0436975A1 A soil cultivating machine |
| 07/02/1991 | US5027724 Subsoil fertilizer applicator having arcuately adjustable knife |
| 06/25/1991 | US5025736 Furrow opener |
| 06/25/1991 | CA1285184C Seed meter seed tube |
| 06/20/1991 | CA2026422A1 Adjustable disc scraper |
| 06/11/1991 | US5022333 Universal press wheel arm assembly |
| 05/18/1991 | WO1991007079A1 Direct drill stump jump seeder |
| 04/17/1991 | CN1012332B Motor-driven chemical fertilizer hole-applicator |
| 04/09/1991 | US5005497 Deep banding knife with rod attachment |
| 04/03/1991 | CN2074088U Machine for sowing, bedding or covering drills or furrows |
| 03/27/1991 | CN2073643U Seeder for forage grass with pressing drill |
| 03/26/1991 | US5001995 Sweep tillage tool |
| 03/26/1991 | CA1281945C Opener assembly with depth gauging from a press wheel |
| 03/20/1991 | CN2073206U Blade for making furrows |
| 03/12/1991 | US4998488 Agricultural combined drill dispenser |
| 03/05/1991 | CA1280940C Apparatus for converting a chisel plow to a planter |
| 02/27/1991 | CN2071868U Tail shovel for holing machine |
| 02/26/1991 | US4995325 Setting wheels for seed drills |
| 02/19/1991 | US4993695 Flexible strut assembly |
| 02/06/1991 | CN2070528U Shovel type ditching machine with dual wing |
| 01/29/1991 | US4987841 Coulter wheel assembly including applying dry or liquid fertilizer |
| 01/22/1991 | US4986368 Planting apparatus |
| 01/22/1991 | US4986200 Depth gauge wheel |
| 01/09/1991 | EP0406939A1 Apparatus for closing the upper part of a trench provided in pasture-land or farmland |