Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 6382873 | Soil levelling device The invention concerns a levelling device (10) for an impact roller of the type having at least one out-of-round compactor mass which, when caused to traverse a soil surface, applies periodic compacting blows to that surface. The levelling device of the i... | 05/07/2002 |
| 5590721 | Conservation tillage tool A conservation tillage tool, including a main frame and a rear frame pivotally mounted on the main frame disposed to support a number of soil working implements in sequence. The main frame is supported by ground wheels attached to the rear section of the ... | 01/07/1997 |
| 5477792 | Apparatus for preparing soil for seed and method of using the apparatus A method of continuously applying an additive to soil with a soil treating apparatus as the soil treating apparatus is advanced in a travel direction along a planting path on soil being treated. The method includes the steps of resituating residue in the ... | 12/26/1995 |
| 5156216 | Conservation compliance tillage tool A conservation tillage tool including a frame disposed to support a number of soil working implements in sequence. The frame is supported by ground wheels attached to the rear section of the frame. The wheels are movable with respect to the rear section o... | 10/20/1992 |
| 4412589 | Earth clod pulverizer An earth clod pulverizing and earth smoothing implement (10) has rows of heavy, cast-iron, pointed teeth (14a-v) which are wedge-shaped in cross section with the cutting edges (42) of the wedges defining substantially vertical lines facing the forwardly d... | 11/01/1983 |
| 4374546 | Conditioning apparatus for dirt race tracks A conditioning apparatus is provided for working of an upper surface layer of a dirt race track to form a cushion of loosened and uncompacted earth particles. The apparatus includes a rigid structural frame mounted on a single elongated supporting roller ... | 02/22/1983 |
| 4243104 | Soil working machine A soil cultivating machine has a pair of frame units inclined rearwardly divergently to each other, each frame unit having a respective tool-holding shaft. Each shaft is associated with two tool-holding bars, one in front of the shaft and one behind it. T... | 01/06/1981 |
