| Patents for A01B 39 - Other machines specially adapted for working soil on which crops are growing (1,432) |
|---|
| 03/12/1997 | EP0761080A1 A hoe holder comprising an element which adjusts itself for height with respect to the ground |
| 02/18/1997 | US5603380 Row following system for a row cultivator |
| 01/29/1997 | CN2245843Y Hand air-to-earth cultivator |
| 01/15/1997 | EP0752811A1 Cultivator for row crops |
| 01/11/1997 | CA2153512A1 Sub-surface blade weeder |
| 12/18/1996 | CN2242564Y Harvester for use in rice field |
| 11/13/1996 | CN2239695Y Horizontal disk-type weeder |
| 10/09/1996 | CN2236717Y Weeding and seedling thinning machine in dry land |
| 07/17/1996 | CN2231008Y Weeder for intertillage |
| 07/17/1996 | CN2231007Y Vertical-milling type soil turn-up machine |
| 07/02/1996 | US5531277 Bent wing sweep |
| 06/25/1996 | US5529128 High speed row crop cultivator |
| 05/14/1996 | US5515929 Dual disc cultivtor cutaway |
| 03/12/1996 | US5497836 Row cleaner |
| 03/12/1996 | US5497716 Mechanism for clearing crop residue |
| 03/06/1996 | CN2221289Y Double-ridge mounted weeder |
| 03/06/1996 | CN2221288Y Weeder |
| 12/06/1995 | CN2214072Y Special weeder for soybean |
| 11/08/1995 | CN2211688Y Weeder |
| 10/12/1995 | WO1995026622A1 Cultivator for row crops |
| 10/05/1995 | DE4411080A1 Bearbeitungsmaschine für Reihenkulturen Machinery for row crops |
| 10/04/1995 | CN2208770Y Multifunctional small agricultural machine |
| 08/17/1995 | DE4404516A1 Method of cultivation |
| 06/29/1995 | DE4343869A1 Cultivation method for crop rows |
| 06/07/1995 | CN2199666Y Shallow loosener for crops between row spacing |
| 05/24/1995 | DE4339443A1 Method for seed sowing on uncultivated soil |
| 05/24/1995 | DE4339329A1 Selective weed destruction appts. |
| 04/27/1995 | DE4335846A1 Bush appliance for weeds |
| 03/21/1995 | US5398770 Cultivator |
| 03/15/1995 | CN2191520Y Cotton seedling transplanter |
| 03/08/1995 | CN2190851Y Soil-loosening weeder |
| 03/07/1995 | US5394945 Precision weeding machine for row crops |
| 03/03/1995 | CA2130981A1 Home garden tiller |
| 02/21/1995 | US5390745 Cultivator with sweep and sifting assemblies |
| 02/16/1995 | DE4326646A1 Boom actuation of an under-stem mulcher or under-stem clearer with an electric motor |
| 11/09/1994 | CN2181795Y Driving weeding machine for inter-cultivation |
| 11/02/1994 | CN2181168Y Livestock-drawn multipurpose seed plough |
| 11/02/1994 | CN2181167Y Four-bar linkage used on cultivator |
| 10/26/1994 | EP0620962A1 A soil cultivating machine |
| 10/19/1994 | EP0619937A1 Precision weeding machine for row crops |
| 10/17/1994 | CA2121395A1 Precision weeding machine for row crops |
| 09/22/1994 | DE4408283A1 Device for removing wild weed growth on facilities, such as paths, squares and parks |
| 09/21/1994 | EP0615680A1 Device for weeding in places like streets, squares and parks |
| 09/18/1994 | CA2119305A1 Implement for removing weeds from areas such as paths, squares and parks |
| 08/10/1994 | CN2173494Y Device for protecting crops by chemically weeding |
| 07/28/1994 | DE4302198A1 Weed-killing system between young plants in rows |
| 05/31/1994 | US5316088 Rotary hoe mounting unit for row crop cultivator |
| 04/19/1994 | US5303780 Cultivator deflector apparatus and methods of making and using same |
| 03/30/1994 | EP0589403A1 Machine agricole |
| 03/30/1994 | CN2159644Y Thinning, weeding and soil-loosening machine in field |
| 02/24/1994 | DE4227614A1 Machine for pulling plants out of ground - consists of several rotating discs mounted obliquely on common axle each in contact with its neighbour at its perimeter |
| 02/23/1994 | CN2156655Y Three-row tiller |
| 02/22/1994 | US5287932 Soil tilling device |
| 02/08/1994 | US5284212 Tomato harvester mountable double rod cutter |
| 12/15/1993 | EP0573681A1 Plant detecting device with feeler delivering electrical signal |
| 12/02/1993 | DE4217683A1 Soil working machine for use in between rows - comprises central aggregate and two flanking aggregates which can be swung inwards or outwards horizontally |
| 11/09/1993 | US5259461 Cultivator sweep |
| 10/26/1993 | US5255617 Ridge preparation tool for seed planting equipment |
| 09/02/1993 | DE4306029A1 Trailer drawn weed and shoot removing machine from furrows - consists of rotors with flexible radial bristles offset in tandem to cover adjacent soil strips |
| 08/31/1993 | US5240080 Adjustable attachment for mounting a farming tool on a drawing vehicle |
| 08/26/1993 | DE4205231A1 Tractor tool with sensor controlling pivoted tool blades - has pivot lever for each blade allowing initial rear movement during pivoting out of working position |
| 08/18/1993 | CN2140134Y Cultivator having crop roots removed |
| 08/04/1993 | CN2139342Y Ridge working intertilling weeder |
| 07/29/1993 | DE4201897A1 Agricultural machine with one or more drivable machine tools - has separate hydraulic circuit with conveyor pump drivable by tractor |
| 07/21/1993 | CN2138383Y Machine for preservation of soil moisture, weeding and spreading fertiliger |
| 06/29/1993 | US5222562 Cultivator attachment |
| 05/27/1993 | WO1993009660A1 Method and apparatus for weeding rows of utility plants |
| 05/25/1993 | CA1318168C Rotary tiller apparatus |
| 04/29/1993 | DE4135414A1 Machine for hoeing around plants in rows to remove weeds - consists of oscillating tool aggregate in frame towed by tractor or self propelled |
| 02/09/1993 | US5184685 Self-contained nursery cultivator |
| 02/04/1993 | DE4216674A1 Plant protector for use with tractors etc. - has endless chain and guides holding back vine shoots |
| 01/28/1993 | DE4124358A1 Single or multiple row hoeing and weeding machine - is equipped with grubbing shares and gyroscopic tools mounted on rectangular frame supported on mobile transverse beam chassis |
| 12/10/1992 | DE4118875A1 Hoe machine for row cultivation - has outriggers supported on wheels with gear drive and driving mechanism which power gyroscopic tool assembly |
| 11/19/1992 | DE4115653A1 Inter-row cultivator for row crops - has guiding element to ensure accurate height of tines |
| 09/09/1992 | EP0502254A1 Reversible device for working between plants |
| 09/02/1992 | CN2114271U Universal cultivator for working on dry land |
| 07/28/1992 | US5133414 Row crop cultivator |
| 06/10/1992 | CN2106481U High/ low beds working machine |
| 06/10/1992 | CN2106480U Rotary tillage weeder |
| 06/03/1992 | EP0487968A1 Ground working machine |
| 05/06/1992 | CN2103235U Machine for loosening soil and weeding |
| 04/15/1992 | EP0480158A1 Agricultural machine |
| 04/14/1992 | US5103917 Adjustable calibration assembly for a guidance system |
| 03/11/1992 | CN2098146U Cultivator with high-frequency electromagnetic mechanism |
| 02/26/1992 | EP0472129A2 Hoeing and weeding implement |
| 02/12/1992 | CN2095530U Convenient manpower paddy fields cultivating weeding machine |
| 02/06/1992 | WO1992001363A1 Rotary weeding machine with automatic adjustment for cleaning furrow cultures |
| 01/21/1992 | US5082063 Mixing head for soil tillage |
| 01/14/1992 | US5080178 Agricultural tillage implement with improved soil leveler using staggered discs |
| 01/12/1992 | CA2046175A1 Fence row cleaner |
| 12/12/1991 | DE4018564A1 Mechanical working of soil in asparagus cultivation - involves use of portal-framed implement towed by tractor and having paddle wheel and raking tines |
| 11/07/1991 | DE4014024A1 Machine for cultivating asparagus - incorporates ploughshare and vertical rotor to form furrows in soil |
| 10/08/1991 | US5054559 Soil-working machine for plants grown in rows |
| 09/26/1991 | DE4039797A1 Sensor controlled plant cultivation and weed control equipment - uses variety of sensors in conjunction with weed destruction devices under processor control |
| 09/24/1991 | US5050372 Fence row cleaner |
| 08/20/1991 | US5040613 Guidance system for an agricultural implement |
| 08/01/1991 | DE4002732A1 Agricultural rotary cultivator - is used for ridging asparagus beds and has cutter drive gearing adjustable in width and height |
| 07/25/1991 | WO1991010350A1 Agricultural weeding apparatus |
| 07/16/1991 | US5031705 Crop-sensing cultivator |
| 06/11/1991 | CA1284741C Cultivator and packer attachment for harrow tines and the like |