William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7870826 | Method and device for adjusting and controlling packing force A seeding apparatus having a furrow opener attached to a first trailing arm, sensor for sensing the amount of ground force to which the furrow opener is being subjected, a second trailing arm, a packing wheel in secure engagement with the second trailing arm and ada... | 01/18/2011 |
| 7775167 | Custom planter and method of custom planting A planter for planting multiple rows of seeds in which the spacing between rows and the spacing between seeds in a row can be varied includes at least two planting units, each planting unit adapted for planting a row of seeds, the planting units being mounted so tha... | 08/17/2010 |
| 7597055 | Agricultural machine for crop interseeding An agricultural machine apt for crop interseeding, of the type that is self-propelled, comprising a unit with a drawing drive unit and a draw unit, both operatively linked to each other. The drawing drive unit comprises a land vehicle including an elevated chassis d... | 10/06/2009 |
| 7395767 | Ground engaging apparatus A ground engaging apparatus (10) has a support plate (50) pivotally attached to a frame (100); a pair of arms (30, 40) interconnecting the support plate (50) and a shank support (60), which supports a shank (70) and g... | 07/08/2008 |
| 7387077 | Seed planter A seed planter has at least one rock shaft carrying a rank of planter assemblies. Each planter assembly includes a torsion joint assembly connected to the rock shaft, a planting equipment linkage connected to the torsion joint, a planting equipment yoke connected to... | 06/17/2008 |
| 7188680 | Hydraulically adjustable hinged hitch An agricultural implement includes a pivoting assembly, a working assembly, and a tow bar assembly. The working assembly includes a front gang of coulters and a rear gang of coulters. The pivoting assembly includes a hydraulic cylinder. The hydraulic cylinder is adj... | 03/13/2007 |
| 6752094 | Seed planter A no-till seed planter includes a wheel mounted frame having at least one rock shaft carrying a rank of seed planting assemblies connected to the rock shaft by torque arms. A torsion joint connects each torque arm to the rock shaft and permits resilient rotation of ... | 06/22/2004 |
| 6659193 | Depth adjustment mechanism for farm implements An adjustment mechanism for use with farm implements or other equipment utilizes a series of alternating teeth and notches arranged in an arcuate pattern about an axis of adjusting movement on a movable member and a pair of arcuately spaced latching bars ... | 12/09/2003 |
| 6240860 | Mounting system for securing planting units in planting machines A mounting system for securing planting units in planting machines, each unit including at least a portion removably secured to a carrier beam, the system allowing to quickly and simply change the distance between working units in order to adapt the machi... | 06/05/2001 |
| 5974986 | Inter-plant arm apparatus There is provided an inter-plant arm assembly for selectively mounting a predetermined number of additional planter units to a multi-row planter having a plurality of existing planter units. The inter-plant arm facilitates quick and efficient varying of r... | 11/02/1999 |
| 5809915 | Contouring dry land seed drill A seed drill particularly adapted for contouring uneven ground and accommodating rocks, especially where depth of furrow and placement of seed against wet soil is critical, as in dry land farming. Each drill in a set of drills is a separate unit which is ... | 09/22/1998 |
| 5566628 | Ground closer kit for attachment to a seeding/fertilizing apparatus and a seeding/fertilizing apparatus having a ground closer plate A ground closer kit for attachment to a seeding/fertilizing apparatus includes a support frame having a first end, a second end, and a bottom edge. The first end is adapted for pivotally mounting the support frame to a ground opener. A ground closer plate... | 10/22/1996 |
| 5555824 | Operator controlled pressure applicator for the furrow forming mechanism of a seed planter A mounting mechanism is disclosed for use in association with a row unit having a furrow forming apparatus as an integral part thereof. A linkage arrangement is provided for mounting the row unit to a tool bar of a tractor or the like thus allowing the fu... | 09/17/1996 |
| 5555825 | Direct drill stump jump seeder A direct drill seeding unit comprising a coulter wheel (5), a pair of depth control wheels (7) and a splitter (9) where the main components of the seeding unit are pivoted on an elongate arm (1) which is connected to a common or main frame (3). The pivota... | 09/17/1996 |
| 5427038 | Adjustable gauge wheel for a planter An agricultural planting machine has a pair of adjacent furrow opening disks that form a V-shaped furrow as the machine advances and a pair of ground engaging gauge wheels respectively mounted for rotation adjacent the opposite sides of the opening disks.... | 06/27/1995 |
| 5396851 | Dual material dispensing assembly A dual dispensing device to be attached to the frame of an apparatus for seed and fertilizer placement in the ground comprising an elongate body member to be pivotally connected to the frame of the apparatus, a first dispenser for fertilizer is pivotally ... | 03/14/1995 |
| 5361712 | Cultivating apparatus for leveling, cultivating, and resowing lawns or fields Cultivating apparatus for leveling, cultivating, and resowing lawns or fields. The cultivating apparatus includes: a row of ripping tines arrayed across the front of the apparatus, which are arranged to freely pivot forward and upward in use, to release c... | 11/08/1994 |
| 4550860 | Planter population reduction drive unit A planter population reduction drive system includes a third shaft adapted to be added onto a planter implement transmission unit having existing first and second shafts. The individual planter units are driven by the second shaft which is connected by a ... | 11/05/1985 |
| 4493272 | Agricultural planter with sled frame, vacuum dispensing and ground drive An agricultural planter for metering seeds for row crops includes a main frame in the form of a sled with transport wheels which can be selectively raised and lowered for transporting the planter and a tool bar for mounting a plurality of implements. A pl... | 01/15/1985 |
| 4425857 | Lock-up mechanism for a planter row unit A row unit with a mechanism which provides normal planting via a parallel bar linkage connection to the planter and which can be locked up in a raised, non-planting position when desired. The mechanism includes curved slotted openings in the lower bars of... | 01/17/1984 |
| 4264023 | Agricultural dispensing mechanisms Mechanism for dispensing seed or fertilizer for agricultural row crop implements such as seed drills and precision planters. A resilient rotatable roller cooperates with a flat vertical glass dispensing plate to dispense seed or fertilizer from a hopper t... | 04/28/1981 |
| 4259912 | Agricultural dispensing mechanism A mechanism for dispensing seed or fertilizer, etc., for agricultural row crop implements such as seed drills and precision planters, comprises a resilient rotatable roller which cooperates with a flat vertical glass dispensing plate to dispense seed or f... | 04/07/1981 |
| 4251014 | Variably positionable transmission and drive assembly for a planter A transmission and drive assembly for a planter that can be transversely positioned on and selectively clamped on the planter frame at desired locations out of interfering relationship with the planting units. The transmission is at the end of the frame o... | 02/17/1981 |
| 4216730 | Side hill bed shaper and planter A cottonseed planter for planting cottonseed along a selected side of a raised bed is disclosed. The planter is adapted for two-way operation through the field and includes a tool bar frame having ground engaging means. Multiple seeders are supported on t... | 08/12/1980 |
| 4210260 | Skip row attachment for planter An attachment for a device for planting parallel rows of seeds from a single seed box is disclosed whereby selected rows can be planted or skipped as selected by the user. A frame has a linear equally spaced array of a plurality of inlet nipples, and a sl... | 07/01/1980 |
| 4193357 | Seed planting machine having specific seed guiding structure A potato seed platner in which seeds are loaded into cups on an endless conveyor from a hopper of a seed receptacle. The conveyor is driven on upper and lower sprockets and arranged on the receptacle with the cups in two parallel rows in staggered constan... | 03/18/1980 |
| 4145981 | Vibrating seed planter delivery chute for singular seed dispensing An automatic seed planter which includes an elongate, upwardly-opening V-shaped trough with front and rear ends defining a longitudinally extending, upwardly opening seed-conducting channel, a seed receiving chamber at the front end of the trough, elongat... | 03/27/1979 |
| 4078504 | Agricultural drill A grain drill has the planter disc pivot arms pivoted to a bracket. The bracket pivots are above or below a slotted bar whereby the planter discs may be adjusted longitudinally of the frame. The pivot arms may be raised or lowered by reversing the bracket... | 03/14/1978 |
| 4042041 | Rotary harrows A rotary harrow has soil-working members that are protected and, to some extent, supported from the ground by an elongated transverse beam that is pivoted to the front of the frame. The beam is spring biased to an operative location adjacent the soil-work... | 08/16/1977 |