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| Number | Title | Issue Date |
| 4409912 | Agronomic implement A cultivating implement include a soil working tool having an elongate substantially planar blade. The blade extends sidewardly and downwardly at an acute angle to the vertical so that its plane is substantially parallel to the direction of movement throu... | 10/18/1983 |
| 4381823 | Combination fertilizer applicator and tillage implement with adjustable sweep assemblies Apparatus for combining light tillage and application of liquid fertilizer in a single implement includes a frame having at least a forward and a rear mounting bar. A plurality of sweep assemblies are mounted to the forward mounting bar. Anhydrous fertili... | 05/03/1983 |
| 4355589 | Fertilizer applicator knife assembly A fertilizer applicator knife assembly which includes a shank having a leading edge and a trailing edge, an earth cutting wear insert mounted on the leading edge of the blade shank, an elongated fertilizer tube secured at spaced intervals to the trailing ... | 10/26/1982 |
| 4337712 | Injection plow A fertilizer injection plow for underground fertilization by paste or liquid fertilizer. The plow, which is adapted for being mounted on a vehicle such as a tractor, carries one or more plowshares which are adjustable as to their depth of penetration into... | 07/06/1982 |
| 4248548 | Sewage disposal system and apparatus System includes transport means to carry sewage to holding pits or tanks in open areas remote from community and delivery from tanks to tunnels plowed in ground. Transport may be by tankers or pipeline. Tender tankers receive batches of sewage from storag... | 02/03/1981 |
| 4201142 | Ammonia applicator blade A point for welded removable attachment to a mild steel blade shank and tube to constitute an ammonia applicator blade, such point being cast of high chrome iron to be extremely wear resistant. The point tapers forwardly in width and its generally horizon... | 05/06/1980 |
| 4141301 | Cultivator and liquid fertilizer blade An improved fertilizer knife includes a main knife-shaped blade which is inclined in a forward direction and which has a fertilizer discharge tube along its trailing edge for discharge of liquid fertilizer into the soil. A pair of wings attached to the ma... | 02/27/1979 |
| 4132181 | Fertilizer applying knife assembly A fertilizer knife assembly is capable of being connected to an agricultural implement and is operative for flow of fertilizer into a furrow opened by the knife assembly. A wear point of cast chrome alloy iron has a leading portion and a shoe portion in e... | 01/02/1979 |
| 4129082 | Earth working and fluid distribution apparatus An earth-working and fluid distribution apparatus is disclosed including a plow having a frame and a shank connected thereto. The apparatus further includes a, shovel for breaking the earth and creating a furrow connectable to the shank, a fluid supply so... | 12/12/1978 |
| 4127073 | Subsoil tillage tooth An improved subsoil plow assembly to be attached to an implement frame employs a soil-splitting leading edge of arcuate cuspate shape, breaking the earth but inhibiting the mixing of the subsoil with the topsoil. That portion below the cuspal apex tends t... | 11/28/1978 |
| 4074639 | Trailer for farm tractors with driven member powered by p.t.o. A wheeled trailer, such as a liquid manure spreader, has a draft tongue which is adapted for attachment to a draft connection of a farm tractor so as to trail behind a soil working implement, such as a liquid manure injector, which is mounted upon the tra... | 02/21/1978 |
| 4070064 | Cooling system for rock ripper tip A cooling system for cooling the cutting edge of an impact type ripper tip includes a source of liquid coolant under pressure and conduit means for supplying the coolant to a spray head mounted below and behind the ripper tip in a position to distribute l... | 01/24/1978 |
| 4056226 | Liquid manure spreader A liquid manure spreader has a wheeled chassis attachable to a farm tractor, a tank on the chassis, a centrifugal pump on a longitudinal axis immediately inside the front lower extremity of the tank and having a drive shaft extending through the front of ... | 11/01/1977 |
| 4055126 | Sub-soil breaking, surface-soil conditioning and planter machine In a preferred embodiment of the invention, a trailer-like multi-sectioned frame is mounted on supporting spaced-apart wheels adjustable intermittently of the height of the frame and having mounted on the various sections of the frame, functional elements... | 10/25/1977 |
| 4033271 | Apparatus for subsoil application A knife for applying substances such as fertilizer in solid, liquid or gaseous form cuts a slice in the subsoil with its leading, rearwardly inclined cutting edge and simultaneously firms up and maintains the lower portions of the sides of the slice in re... | 07/05/1977 |
| 4018170 | Rotary harrows A soil cultivating implement or rotary harrow has a row of soil-working members rotatably mounted on upwardly extending shafts. Driving means rotates the shafts and tools, preferably tines, are moved through the soil to work same. Fluid material from a co... | 04/19/1977 |
| 4014271 | Liquid manure system An apparatus for distributing liquid manure including a mobile spreader tank to contain the liquid manure and adapted to be drawn by a tractor. A frame is supported by the three-point hitch of the tractor, and a series of soil working elements are mounted... | 03/29/1977 |
| 3967564 | Soil shattering and aerating device A device for shattering impacted soil, attached to and operated by a farm tractor having a pipe positioned high above the ground for intake of air for providing forced air to a tube extending under the soil following its shattering to supply oxygen under,... | 07/06/1976 |
| 3956999 | Earthworking implement with automatic fluid flow shut-off manifold An earthworking implement such as a tractor-drawn chisel plow having a fertilizer tank is provided with an automatically operated control system for fluid dispensing when the implement is work configured. In one embodiment the implement is provided with a... | 05/18/1976 |
