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Class Information
Number: 172/178
Name: Earth working > Diverse tools > Rolling and non-rolling > Following same path > Including disk gang
Description: Apparatus in which the rolling implement comprises a group of earth working elements of generally circular platelike members each having the same axis of rotation.

Patents under this class:

Patent Number Title Of Patent Date Issued
8020629 Low-disturbance tillage tool Sep. 20, 2011
8016044 Soil shaping agricultural implement Sep. 13, 2011
7048069 Agricultural disc harrow and method May. 23, 2006
7017675 One-pass primary tillage machine Mar. 28, 2006
6886441 Blade assembly cover May. 3, 2005
6666280 Soil cultivating apparatus Dec. 23, 2003
6612381 Seedbed preparation implement having rotary disc with adjustable gang angle Sep. 2, 2003
6578640 Apparatus and method for preparing agricultural ground for planting Jun. 17, 2003
6557646 Mulch-till ripper May. 6, 2003
6499543 Tilling implement comprising a plurality of gangs of disks rotating about a common axis Dec. 31, 2002
6276462 Combination tillage equipment for providing a smooth finish Aug. 21, 2001
6060931 Repetitive pulse generator with wide pulse duration, amplitude, frequency and duty cycle characteristics May. 9, 2000
5795096 Road resurfacing system Aug. 18, 1998
5590721 Conservation tillage tool Jan. 7, 1997
5515929 Dual disc cultivtor cutaway May. 14, 1996
5207279 Agricultural apparatus having vertically adjustable disc gang assemblies May. 4, 1993
5161622 Field cultivator leveling device Nov. 10, 1992
5156216 Conservation compliance tillage tool Oct. 20, 1992
5082064 Tillage implement having depth adjustable discs Jan. 21, 1992
4828042 Coulter chisel tillage tool May. 9, 1989
4724910 Implement with resiliently mounted coulter gangs Feb. 16, 1988
4703810 Disc and chisel plow implement Nov. 3, 1987
4650006 Auxiliary mounting device for cultivating implements Mar. 17, 1987
4625809 Bridge hitch type frame Dec. 2, 1986
4595064 Drag attachment for a disk Jun. 17, 1986
4492272 Tillage implement and improved gang assembly therefor Jan. 8, 1985
4446924 High speed tillage system with discs and plow points May. 8, 1984
4313503 Agricultural implement Feb. 2, 1982
4257487 Water stop attachment and border disc Mar. 24, 1981
4250970 Automatic coulter depth control Feb. 17, 1981
4243104 Soil working machine Jan. 6, 1981
4127341 Adjustable deflection limiting element for trailing arm assembly Nov. 28, 1978
4127178 Earth working attachment Nov. 28, 1978
4113028 Lift for dragged implement Sep. 12, 1978
4047574 Implement for levelling levees Sep. 13, 1977

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