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| Number | Title | Issue Date |
| 6904976 | Powered soil tillage device A powered, lightweight soil tillage device, including an elongated hollow support member having a motor and handle at the upper end thereof, and the tillage assembly mounted at the lower end thereof. The tillage assembly comprises a pair of beams which are mounted o... | 06/14/2005 |
| 5441116 | Multiple purpose agricultural power tool A multiple purpose agricultural power tool is provided which consists of a removable cover to fit over an open top of a housing, a wheel assembly which is rotatable and mounted to the housing, so that it can travel along the ground and a pair of legs affi... | 08/15/1995 |
| 5193624 | Device for loosening sub soil The invention concerns a device (1), which is self-powered or can be connected-up to a vehicle, for loosening the sub-soil, the device having an array of piercing tools (13) mounted substantially perpendicular to the direction of travel of the device. Bef... | 03/16/1993 |
| 5172768 | Device for loosening soil The process serves for the loosening of soil in the subsoil and topsoil areas and for introduction of fertilizers as well as subsoil loosening and/or for soil cultivation as well as the introduction of other additives with the use of digging tools 2, 2', ... | 12/22/1992 |
| 4819734 | Lawn aerator with rocker arm tine synchronizing means Rocker arms are mounted for pivoting at their centers about a vertical axis on a chassis with the pivot axis in line with a longitudinal slot through which a crank arm projects. The upper end of the crank arm is pivoted to a crank which upon rotation reci... | 04/11/1989 |
| 4811794 | Garden tiller with reciprocating tines A garden tilling apparatus has a frame with movable arms extending out of the frame and soil-working tines connected to the forward-most portion of the movable arms. Inside the frame, a crankshaft is mounted coupled to the arms and the arms pivotally atta... | 03/14/1989 |
| 4645012 | Turf aerating apparatus A turf aerator includes a wheel-supported frame and drive means for propelling the frame across the ground at a predetermined rate. A pair of substantially vertical tine arms each having a plurality of downwardly directed turf coring tines attached to the... | 02/24/1987 |
| 4353422 | Hand held power machine with oscillating tool A light weight hand-held power actuated tool for aiding an operator do work such as raking, thatching, cultivating, hoeing and sweeping. A main member with handles for operator support has a motor attached. The motor activates a mechanism which holds a working... | 10/12/1982 |
| 4096915 | Ground working apparatus with tools to draw the apparatus forward A cordless earth tiller has a housing mounted upon wheels and including a handle for guiding and controlling the tiller and tilting the same in a fore-and-aft direction. A power driven crankshaft disposed forwardly of the wheels carries a plurality of arm... | 06/27/1978 |