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Browse by Category: Main > Plants, Animals & Agriculture
Class Information
Number: 111/926
Name: Planting > Special suspension or gauging feature
Description: Collection of art related to a planting machine which has a particular provision to adjust or maintain weight or pressure onto an opener assembly, subframe, or the like, to maintain or enhance planting depth.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8544516 Agricultural implement with gauge wheel for a row unit Oct. 1, 2013
8505473 Paired single disc opener unit Aug. 13, 2013
8347798 Coulter assembly Jan. 8, 2013
8047147 Coulter assembly Nov. 1, 2011
8028759 Prescision hoe opener with swing link between cylinder and shank Oct. 4, 2011
7866410 Precision hoe opener with swing link between cylinder and shank Jan. 11, 2011
7798244 Precision hoe opener with swing link and biasing member Sep. 21, 2010
7685950 Furrow opener apparatus with two way depth control Mar. 30, 2010
7673571 Drill disc opener Mar. 9, 2010
7669536 Paired single disc opener unit Mar. 2, 2010
7644670 Paired single disc opener unit Jan. 12, 2010
7640875 Cutting disk system for seeding machines Jan. 5, 2010
7631607 Agricultural seeding system Dec. 15, 2009
7401561 Suspension system for a row crop planter unit Jul. 22, 2008
7360494 Apparatus for planter depth monitoring Apr. 22, 2008
7360495 Method for planter depth monitoring Apr. 22, 2008
6732667 Grain drill with weight sensing device for sensing the weight of seed grain in a hopper May. 11, 2004
6460623 Hydraulic system providing down force on a work implement Oct. 8, 2002
6454019 Agricultural implement down pressure system Sep. 24, 2002
5887664 Adjustable depth control mechanism for earth-penetrating disk Mar. 30, 1999
5562165 Hydraulic floating system for downpressure control of seeding tools Oct. 8, 1996
5497716 Mechanism for clearing crop residue Mar. 12, 1996
5402740 Vehicular machine for transplanting vegetal seedlings Apr. 4, 1995
5081942 Depth adjusting device for a furrow opener Jan. 21, 1992
5074227 Seed planting apparatus Dec. 24, 1991
5065681 Hydraulic down pressure structure for an implement with multiple ground engaging tools Nov. 19, 1991
4977841 Torsional joint attachment for a seed planter Dec. 18, 1990
4928607 Electronically controlled pneumatic seeder May. 29, 1990
4920901 Double disc seed drill with V-shaped frame May. 1, 1990
4913070 Ground contact implement soil penetration depth control Apr. 3, 1990
4895086 Parallel linkage planter carrier Jan. 23, 1990
4860672 Trip mechanism for drill seed boot Aug. 29, 1989
4846084 Leveling linkage for planter units Jul. 11, 1989
4759301 Seed drill Jul. 26, 1988
4744316 Furrow forming apparatus for a seed planter May. 17, 1988
4721048 Trash seeder Jan. 26, 1988
4696241 Cane billet planter Sep. 29, 1987
4624196 Combined seed drill and fertilizer applicator Nov. 25, 1986
4622906 Onion planter Nov. 18, 1986
4528920 Tillage and seeding implement with trailing opener and press wheel gangs Jul. 16, 1985
4525988 Combine planter implement Jul. 2, 1985
4506609 Trash seeder Mar. 26, 1985
4493273 Planting assembly Jan. 15, 1985
4444130 Seed planting machine Apr. 24, 1984
4438710 Seedling planter Mar. 27, 1984
4413685 Planter implement with adjusting position-display apparatus and system thereof Nov. 8, 1983
4409911 Listing and bed shaping apparatus with planter attachment and method Oct. 18, 1983
4377979 Conservation tillage row crop planter system Mar. 29, 1983
4353423 Hydraulic reset for tillage and seeding equipment Oct. 12, 1982
4338872 Multiple section grain drill Jul. 13, 1982

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