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| Number | Title | Issue Date |
| 4236582 | Powered ground aerator A powered machine for moving along the ground surface and producing a succession of holes therein to aerate the soil. The present aerator includes a pair of ground-penetrating members that are moved alternately to engage, penetrate, and disengage the grou... | 12/02/1980 |
| 4212357 | Turf aerating device Disclosed herein is a turf aerating device including a cylindrical drum rotatably supported from a frame for rolling travel over the surface of the turf to be aerated, a plurality of circumferentially-spaced, core-forming elements or tines mounted on the ... | 07/15/1980 |
| 4204576 | Soil aerating device A soil aerating device consisting of a spindle inclined from vertical but power driven to rotate about a vertical axis, and an arm rotatably mounted at its midpoint on the spindle, having a downwardly projecting tubular tine mounted at each end thereof, a... | 05/27/1980 |
| 4158391 | Soil aerating device Disclosed herein is a soil aerating device which is adapted for connection to a powered vehicle, which includes a first frame rotatably supporting a drum carrying a plurality of core-forming tines adapted to penetrate the ground or turf to be aerated and ... | 06/19/1979 |
| 4157734 | Soil aerating device Disclosed herein is a soil aerating device including a cylindrical drum having an outer peripheral wall and rotatably mounted on a frame for rolling travel over the surface of the ground or turf to be aerated and a plurality of core-forming elements or ti... | 06/12/1979 |
| 4148362 | Penetrating machine A lawn perforating machine for forming rows of holes in the ground comprises a perforating roller which is adapted to roll on the ground and whose peripheral surface carries perforating tubes mounted for pivotal movement about axes extending parallel to t... | 04/10/1979 |
| 4133274 | Method of regenerating lawn surfaces A wheel supported chassis has a motor driving it intermittently across a lawn or turf surface for predetermined distances between cycles, a rotary drilling means drills holes in the turf area while the apparatus is stationary, a collecting platform feeds ... | 01/09/1979 |
| 4114543 | Seed planting device with automatic seed covering A device for planting seeds into soil includes an elongated tubular housing having a concentrically-disposed axially-aligned elongated rigid member slidably mounted within the hollow interior of the housing. A tubular socket is connected to the end portio... | 09/19/1978 |
| 4081034 | Soil aerating device Disclosed herein is a soil aerating device including a frame, a hollow cylindrical drum supported from the frame for rotation about a horizontally extending axis and for folling travel along the surface of the ground or turf to be aerated. Fixedly mounted... | 03/28/1978 |
| 4034686 | Injector for soil treating liquids As the applicator is propelled about the surface to be treated, hollow spikes called tines or tongs are alternately thrust, vertically downwards below the surface and withdrawn vertically upwards. A bulk supply of treating liquid is maintained separate fr... | 07/12/1977 |
| 3993143 | Turf reconditioning apparatus and method A turf reconditioning apparatus adapted to aerate and relieve the compaction of the soil, and comprising a plurality of cutting discs disposed along a supporting drive shaft, and with each cutting disc comprising a plurality of curved blades defining a sh... | 11/23/1976 |
| 3986562 | Turf perforating device A turf perforating device for aerating lawns by removing plugs therefrom comprising a wheeled frame having a plurality of reciprocating tools connected by a linkage to a crankshaft and each linkage slidably mounted in a pivotable sleeve which prevents bin... | 10/19/1976 |
