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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7261048 | Parallel link trailing arm for seeders A furrow opener apparatus includes a parallel link trailing arm having a rear link that is maintained substantially horizontal as the arm moves up and down. Front and rear furrow openers are attached to the rear link. A packer wheel arm is attached to the rear link ... | 08/28/2007 |
| 6182385 | Rock and material loading system A rock and material loading system that is removably attachable to a loader bucket for loading material such as rocks into the loader bucket. The inventive device includes a pair of brackets attached to the upper rear portion of a loader bucket, a pair of... | 02/06/2001 |
| 6098722 | Versatile implement system A versatile implement system utilizing a single implement structure that is capable of being utilized as a grain planter, row crop planter, tiller or anhydrous applicator. The inventive device includes a conventional implement frame, a bracket, a pair of ... | 08/08/2000 |
| 5829535 | Common depth control adjustment for a ground opener An agricultural apparatus comprises a main frame with ground wheels supporting the frame for movement across the ground and a plurality of ground engaging openers mounted on the frame for engaging the ground. Each opener includes a depth control wheel mou... | 11/03/1998 |
| 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 |
| 5806606 | Hydralic harrow lift A hydraulic harrow lift including a cultivator assembly, a harrow assembly, and a pair of spaced linear harrow arms fixedly coupled at outboard ends thereof to the harrow assembly. The harrow arms further have inboard ends pivotally coupled to the cultiva... | 09/15/1998 |
| 5787994 | Narrow profile soil opening device for agriculture material placement An opener assembly for forming a groove in soil in preparation for placement of substances in the soil broadly comprises an upright, elongated shank having a lower end and a lower mounting edge, a lowermost, groove-forming component, and fastening structu... | 08/04/1998 |
| 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 |
| 4857193 | Floating chicane system for liquid-solid separation equipment A chicane system is provided in a belt filter press in a gravity drainage zone. The gravity drainage zone includes a movable filter belt, an inlet section for receiving a suspension on the filter belt, and an outlet for discharging separated liquid and so... | 08/15/1989 |
| 4709492 | Pushing apparatus, and methods of constructing and utilizing same A device for back scraping snow, earth, or other like substances which generally includes a truck having a concave snowplow blade mounted on its front. The blade has shoes provided on its backside, wedge shaped hinged connections mounted on the shoes, and... | 12/01/1987 |
| 4696348 | Power rake A power rake having independently pivotal tines mounted on a common member which is displaced relative to a tractor-carried support in an orbital or cyclical manner. Each of the tines has an eccentric portion designed so that the tine moves through the so... | 09/29/1987 |
| 4585074 | Ridge forming apparatus A ridge forming attachment for cultivators of a type having a plurality of earth working blades thereon for eliminating weeds between rows of crops growing in the field. The ridge forming attachment includes a bracket adapted to be attached to such cultiv... | 04/29/1986 |
| 4580506 | Liquid fertilizer attachment A fertilizer knife adapted to be attached to a planter. A housing is adjustably attached to the fertilizer knife and an adjustable mechanism is provided for permitting the knife to be adjusted vertically with respect to the housing, thereby adjusting the ... | 04/08/1986 |
| 4306407 | Lawn care device A lawn care device is provided which essentially consists of support beams or rotary cutter blades which are mounted onto the vertically disposed drive shaft of conventional lawn motors. The support beams are provided with receiving means, support-like ba... | 12/22/1981 |
| 4241525 | Swing-away bulldozer teeth assembly A set of ripping teeth secured to a bulldozer blade in either a deployed or undeployed position. The teeth project from a pair of integrally formed support frames with the upper edge of each frame terminating in respective tubular mounting sleeves. Mounti... | 12/30/1980 |
| 4069874 | Swivel hitch for chisel plows A swivel hitch for chisel plows comprising a pair of vertically spaced flat plates secured at their rearward ends to the transversely extending frame member or tool bar of the chisel plow and having a flat bar pivotally received therebetween. The opposite... | 01/24/1978 |
| 4005757 | Clamp shank device A clamp shank device designed particularly for attaching a chisel type of plowshare, cultivator blade, or the like to the draft frame of an agricultural implement includes a resiliently-biased clamping arrangement confining a shank member against lateral ... | 02/01/1977 |
| 3999315 | Adjustable attachment for a backhoe An adjustable attachment for a backhoe comprises a single tooth pivotally connected to a frame, the tooth being capable of taking a plurality of angularly spaced apart positions on the frame. Tensioning means hold the tooth in a desired position, but also... | 12/28/1976 |