...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8011309 | Planter with direct hydraulic seed drive The invention provides an innovative yet straightforward approach to driving the seed distribution system in planters which feature hinged winged extensions. The flexibility of the hinged winged extensions may allow the planter to adjust to the contours of a field a... | 09/06/2011 |
| 7966953 | Planter with direct hydraulic seed drive The invention provides an innovative yet straightforward approach to driving the seed distribution system in planters which feature hinged winged extensions. The flexibility of the hinged winged extensions may allow the planter to adjust to the contours of a field a... | 06/28/2011 |
| 7762201 | Planter with direct hydraulic seed drive The invention provides an innovative yet straightforward approach to driving the seed distribution system in planters which feature hinged winged extensions. The flexibility of the hinged winged extensions may allow the planter to adjust to the contours of a field a... | 07/27/2010 |
| 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 |
| 7104207 | Air seeder tank arrangement An air seeder has two tanks for holding seed or other particulate matter. Each tank has a metering device at the bottom to meter out the contents of the tanks. A panel is positioned to cover and uncover a hole between the two tanks such that it can direct the conten... | 09/12/2006 |
| 7051663 | Pivoting planting units vertically A seeding machine comprises a main frame segment and two wing frame segments. In its working configuration the wing frame segments extends transversely. In its transport configuration the wing frame segments are folded forwardly. The wing frame segments are provided... | 05/30/2006 |
| 6386125 | Seed drill The seed drill of the present invention particularly includes a front chassis resting on the ground by wheels and a rear chassis carrying elements for planting seeds in the ground, the rear chassis being connected to the front chassis by a central articul... | 05/14/2002 |
| 6213034 | Planter apparatus and method A planter apparatus includes a carrier frame including a curved track portion, and a mainframe rotatably attached to the carrier frame and rotatable along the curved track portion and about a pivot point, which is offset from a centerline of the carrier f... | 04/10/2001 |
| 5974987 | Seed drilling implement There is disclosed a seed drilling implement (10) which comprises a frame (11), a coupling device (12) at the forward end of the frame (11), drilling elements (13) mounted on the frame (11) at or near the rear end of the frame, coulters (14) mounted on th... | 11/02/1999 |
| 5065681 | Hydraulic down pressure structure for an implement with multiple ground engaging tools An improved down pressure arrangement for an implement such as a multi-section grain drill having fixed-height section frames with corresponding gangs of opener assemblies. The opener assemblies of each gang are yieldingly biased downwardly by a spring an... | 11/19/1991 |
| 4690260 | Radial engagement drive coupler A drive coupling mechanism for transmitting rotational motion from a drive shaft to a driven shaft by surface-to-surface contact of a flat drive face of a contact head of a first coupler with the flat drive face of a contact head of a second coupler. Each... | 09/01/1987 |
| 4558882 | Seeder cart attachment to agricultural implements A seeder cart having draft apparatus and caster wheels arranged to be coupled between draft bars of an agricultural implement, the seeder cart carrying seed and/or fertilizer bins and a metering arrangement to feed the seed and/or fertilizer to distributo... | 12/17/1985 |
| 4058068 | Soil cultivating and sowing implement A cultivator or rotary harrow has soil working members rotatable about upwardly extending shafts journalled in a frame portion that extends transverse to the direction of travel. The front of the frame is supported by a coupling attached to a prime mover ... | 11/15/1977 |