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Class Information
Number: 172/701
Name: Earth working > Tool, standard or connection > Ridgers
Description: Apparatus in which a single earth working element is adapted to move soil transversely from opposite directions to form a hill or ridge.

Patents under this class:

Patent Number Title Of Patent Date Issued
7942210 Chain reel for tillage implement and method May. 17, 2011
7594546 Chain reel for tillage implement Sep. 29, 2009
7216596 Agricultural apparatus May. 15, 2007
7156186 Strip-till conditioning rotary reel Jan. 2, 2007
7104206 Agricultural apparatus Sep. 12, 2006
6871709 Strip-till primary tillage system Mar. 29, 2005
6851484 Wheel track filling apparatus Feb. 8, 2005
6681868 Rip strip primary tillage system Jan. 27, 2004
6558080 Methods and compact apparatus for covering landfill May. 6, 2003
6516894 Levee builder Feb. 11, 2003
6431287 Soil tiller assembly and method for tilling soil Aug. 13, 2002
6330922 Bedding plow featuring a center-cut disk assembly having resilient relief means Dec. 18, 2001
6119791 Apparatus/method for reforming cultivation rows Sep. 19, 2000
5960890 Wetlands terracing plow and remediation method utlizing same Oct. 5, 1999
5957217 Strip tillage apparatus Sep. 28, 1999
5787991 Adjustable angle ridger for a cultivator Aug. 4, 1998
5622228 Tool for making raised beds Apr. 22, 1997
5524711 Agricultural implement for forming planting rows Jun. 11, 1996
5477931 V ditching machine Dec. 26, 1995
5082063 Mixing head for soil tillage Jan. 21, 1992
5016366 Snow ridger May. 21, 1991
4867247 Bedding plow Sep. 19, 1989
4838360 Minimum tillage implement Jun. 13, 1989
4828041 Agricultural implements May. 9, 1989
4682658 Tilling apparatus for preparing a ridge and furrowed field Jul. 28, 1987
4618004 Method and apparatus for building borders Oct. 21, 1986
4597452 Disk grading terrace plow Jul. 1, 1986
4484636 Levee plow with extensible linkage Nov. 27, 1984
4422512 Narrow-base terracing plow Dec. 27, 1983
4409911 Listing and bed shaping apparatus with planter attachment and method Oct. 18, 1983
4409910 Method and apparatus for planting seeds while conditioning soil Oct. 18, 1983
4285161 Mulcher Aug. 25, 1981
4073245 Levee forming apparatus and method Feb. 14, 1978
3995570 Cultivators Dec. 7, 1976

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