| Patents for A01B 33 - Tilling implements with rotary driven tools (4,271) |
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| 03/04/1993 | WO1993003596A1 A safety and control device working on a moderator brake for agricultural motor hoes for dampening vibrations, shocks or jerks transmitted to the driving handle and for controlling the forward motion and the working depth of the machine |
| 03/03/1993 | EP0529684A2 Agricultural soil working machine with improved stabilization element |
| 03/03/1993 | EP0529683A2 Agricultural soil working machine with support wheels |
| 03/03/1993 | CN2127544Y Ploughing wheel of walking tractor for use in the paddy field |
| 03/03/1993 | CN1069388A 节能型旋耕刀 Energy-saving rotary knife |
| 02/02/1993 | US5183120 Lawn cutting apparatus |
| 01/26/1993 | US5181476 Equipment system for agricultural ground soil preparation |
| 12/30/1992 | EP0520918A1 Agricultural soil working machine comprising a rotor extending transversaly to the work direction and provided with improved cleaning tools |
| 12/10/1992 | DE4215885A1 Gyroscopic harrow with two part casing - has spindles mounted in housings driven at top end by cogs and having tool holders at bottom end holding tines |
| 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 |
| 12/09/1992 | CN2123853U Driven harrow for paddy field |
| 12/03/1992 | DE4211226A1 Height-adjustment device for hand-steered rotary hoe - has piston cylinder unit operated from handle |
| 11/24/1992 | US5165485 Edger with improved blade cover assembly |
| 11/19/1992 | DE4115711A1 Land cultivator to aerate soil - has rotary discs making slits in ground without turning soil |
| 11/04/1992 | EP0511688A2 Method for assembling a rotary harrow |
| 10/20/1992 | US5156217 Edger with improved rear wheel adjustment |
| 10/14/1992 | CN2118387U Two-direction rotary cultivator |
| 09/15/1992 | US5146997 Lake weed removing apparatus |
| 09/03/1992 | WO1992014349A1 Ground scarifier |
| 09/02/1992 | EP0501899A1 Rotary harrow with several support beams rigidly linked to an improved stucture |
| 09/02/1992 | EP0501349A1 Soil-working implement |
| 09/02/1992 | CN2114270U Vertical ploughing & weeding machine |
| 09/01/1992 | US5143309 Apparatus for conditioning the floor of a poultry rearing area |
| 08/26/1992 | CN2113963U Pushing and raking machine |
| 08/19/1992 | EP0359741B1 Apparatus system for the agricultural working of soil |
| 08/19/1992 | CN2112923U Rotary tilling machine for small four wheels tractor |
| 08/18/1992 | US5139091 Edger with improved operating lever assembly |
| 08/05/1992 | EP0497396A1 A soil cultivating machine |
| 08/05/1992 | CN1063198A Spiral-type vertical clod crusher (series) |
| 07/29/1992 | CN2110978U Two-purpose ploughing and ditching machinery of tractor |
| 07/22/1992 | EP0495552A1 A soil cultivating machine |
| 07/22/1992 | CN2110338U Miniature tiller |
| 07/15/1992 | CN2109689U Spiral tillage machine for paddy field |
| 07/08/1992 | EP0493463A1 Rotary agricultural tool |
| 07/08/1992 | CN2109055U Walking tractor growing rotary tilling implements |
| 06/09/1992 | US5119879 Edger with tubular main frame |
| 06/03/1992 | EP0488466A1 A soil cultivating machine |
| 06/02/1992 | US5117918 Cultivator blade supporting structure |
| 05/29/1992 | WO1992008913A1 Drive linkage for agricultural device |
| 05/20/1992 | CN2104530U Small-sized power-driven cultivator |
| 05/13/1992 | CN2103880U Paddy field leveling machine |
| 05/06/1992 | CN2103234U Salt pan and tilling machine |
| 04/29/1992 | EP0483033A1 Agricultural soil-working machine with a rotor extending obliquely with regard to the direction at work |
| 04/07/1992 | US5101911 Rotor tiller having counter-rotating twin shafts |
| 03/25/1992 | EP0476768A1 A soil working member |
| 03/24/1992 | US5097908 Farm machine for working the soil |
| 03/17/1992 | US5095996 Rotary tiller attachments for facilitating turning |
| 03/11/1992 | CN2098144U Driving multipurpose tiller with function of levelling soil |
| 03/04/1992 | CN2097503U Direct driven rotary tillage machine |
| 02/26/1992 | EP0472129A2 Hoeing and weeding implement |
| 02/26/1992 | EP0472102A1 Scarifier with blade disks fixed on a shaft |
| 02/12/1992 | EP0470641A1 Harrowing device |
| 02/06/1992 | WO1992001363A1 Rotary weeding machine with automatic adjustment for cleaning furrow cultures |
| 02/05/1992 | EP0470026A1 Multi-purpose rotary plough |
| 01/23/1992 | DE4022652A1 Agricultural machine with two vertical rotors - has blades shaped to prevent interference between rotors |
| 01/12/1992 | CA2046175A1 Fence row cleaner |
| 01/08/1992 | CN2092182U Small size boat type walking cultivator |
| 01/07/1992 | US5078328 Poultry litter disintegrating machine |
| 12/25/1991 | CN2091058U Deep-adjusting rotary cultivator for farmland |
| 12/10/1991 | US5071079 Device for chopping-up bulk material |
| 12/04/1991 | CN2089688U Miniature amphibious tillage machine |
| 12/03/1991 | US5069295 Soil cultivating machine |
| 12/03/1991 | US5069294 Stub-shaft powered spinning tiller |
| 11/26/1991 | US5067264 Flexible rotary snow tiller |
| 11/08/1991 | WO1991016810A1 Thatching cultivator using two oppositely rotating reels |
| 11/08/1991 | CA2066223A1 Thatching cultivator using two oppositely rotating reels |
| 11/07/1991 | DE4014024A1 Machine for cultivating asparagus - incorporates ploughshare and vertical rotor to form furrows in soil |
| 10/29/1991 | US5060732 Cylinder-type ground-raking attachment for a bucket-equipped tractor |
| 10/15/1991 | US5056605 Multipurpose cutting means |
| 10/08/1991 | US5054559 Soil-working machine for plants grown in rows |
| 10/02/1991 | EP0449362A1 A soil cultivating machine |
| 09/25/1991 | CN2085144U Double-arm transmission rotary ploughing machine for small-size four-wheel tractor |
| 09/24/1991 | US5050372 Fence row cleaner |
| 09/18/1991 | EP0446535A1 Rotary soil tilling implement |
| 09/17/1991 | US5048617 Hand-held tiller machine |
| 09/17/1991 | US5048616 Garden tiller tine assembly |
| 09/10/1991 | US5046346 Agricultural machine |
| 09/04/1991 | EP0445055A1 Agricultural soil working machine with an easily interchangeable rotor |
| 08/28/1991 | CN2083394U Driving device of rotary cultivator |
| 08/14/1991 | EP0441163A1 Rotary harrow |
| 08/13/1991 | US5038868 Ground cultivator |
| 08/08/1991 | DE4002915A1 Centrifugal harrow implement - comprises transverse frame carrying centrifugal tools with tines side by side |
| 07/31/1991 | EP0315668B1 Scarifier-edger adossable to a small power-driven cultivator |
| 07/03/1991 | CN2079850U 改进型旋耕机 Improved rotary tiller |
| 06/26/1991 | EP0434303A1 Brush mower |
| 06/25/1991 | US5025615 Scarifier attachment for chain saw |
| 06/11/1991 | CA1284738C Flexible rotary snow tiller |
| 06/05/1991 | CN2078072U Manpower tillage machine for paddy field |
| 05/28/1991 | CA1284437C Method and apparatus for cultivating plantable soils more particularly forest soils |
| 05/22/1991 | CN2077184U Multipurpose tl-blade for rotary tillage |
| 05/15/1991 | CN1051283A Energy-saving rotary cultivating coulter and its design method |
| 05/08/1991 | CN2076297U Screw propelling and rotary tilling device for tiller |
| 04/24/1991 | CN2075409U Multi-purpose energy-saving rotary cultivator |
| 04/17/1991 | CN2074968U Dual half-disk coupling disk on rotary cultivating arbor |
| 04/17/1991 | CN2074967U Rotary cultivator in paddy field with double shaft |
| 04/17/1991 | CN2074966U Screwed washing type rotating tillage machine |
| 04/09/1991 | US5005653 Hoe attachment for a line trimmer |
| 04/02/1991 | US5003759 Brush mower |
| 03/28/1991 | DE3930683A1 Rotary or reciprocating harrows - have vertical shields mounted on arms adjustable in length |
| 03/19/1991 | WO1991003925A1 Rotary agricultural tool |