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| Number | Title | Issue Date |
| 7607489 | Disc harrow agricultural implement An agricultural implement includes first and second outer harrows positioned adjacent front and left sides and front and right sides of a frame, respectively, at generally opposite diagonal directions. Third and fourth harrows are similarly positioned adjacent rear ... | 10/27/2009 |
| 7143838 | Wavy farming disc A wavy farming disc for working the soil in farming activities, particularly in no-till works for seeding, wherein the disc comprises a plate having a peripheral circular cutting edge and a central portion, and a plurality waves in the plate with the waves extending... | 12/05/2006 |
| 7048069 | Agricultural disc harrow and method An agricultural implement consisting primarily of a towed frame supported on retractable wheels, the frame having a plurality of independently adjustable spindles for setting height and angle of attack for various size rotatable discs. Each disc is staggered to redu... | 05/23/2006 |
| 7009120 | Calibration device for a helical spring scale A scale includes a housing, a first pressing element, a second pressing element, an adjusting unit, a spring, a carrying unit and an indicator. The housing includes a graduation provided thereon and has a lower portion. The adjusting unit is secured to the lower por... | 03/07/2006 |
| 6923266 | Cantilevered outboard tine device for soil aeration An outboard tine device for soil-aerating equipment is disclosed comprising a hub having an aperture, a rotatable shaft within the aperture and mounted on the soil-aerating equipment, an outboard tine assembly comprising a plurality of outwardly protruding tines, an... | 08/02/2005 |
| 6213220 | Disc plough improvements A disc plow having a stump jump capability. The plow includes a frame and at least one trailing arm secured thereto. The trailing arm supports at least one concave disc thereon. In use, the concave disc attached to the trailing arm has a working position ... | 04/10/2001 |
| 5795096 | Road resurfacing system A road resurfacing device has a frame on which is mounted a ripper bar for ripping the road surface, to a controlled depth, and behind it a separator for separating coarse and fine material in the road surface such the coarse material is deposited on fine... | 08/18/1998 |
| 4785891 | Tilling ridger A disc ridger having an arrangement of disc gangs that substantially eliminates sidewise draft or clogging tendencies found in previous disc ridgers, also incorporating additional discs located for completing the tillage of the area swept by the disc ridg... | 11/22/1988 |
| 4044842 | Flexible multi-section implement An implement frame construction includes rigid implement frame sections positioned in side-by-side relation and joined by a linkage system which permits the sections to universally flex within desired limits with respect to each other without substantial ... | 08/30/1977 |
