Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7401561 | Suspension system for a row crop planter unit A suspension system for a row crop planter unit which includes a shock absorber extending between the planter unit mounting bracket and the parallel arm linkage which vertically mounts the planter unit to a toolbar. The shock absorber permits the planter unit to mov... | 07/22/2008 |
| 6530334 | Depth-limited furrow closing arrangement and method for no-till agricultural seeders A seed firming and furrow closing system for no-till agricultural seeders has a smooth in-furrow firming device that gauges the depth and limits penetration of the closing wheel(s). The firming device is mounted behind a seed furrow opener, and one or mor... | 03/11/2003 |
| 6408772 | In-line sub-surface seeding, fertilizing and watering system An in-line sub-surface seeding, fertilizing and watering system includes a blade (10) mountable into a header member (112) of a parallelogram linkage (110). A pair of parallel rigid drag arms (116, 118) extend between the header member (112) and a hanger ... | 06/25/2002 |
| 5685245 | Planter unit A planter row unit having a frame with a first unitary rigid plate and structure for attaching a soil engaging component in an operative position on the first unitary rigid plate and first structure cooperating between a towing frame that is movable in a ... | 11/11/1997 |
| 5398771 | Grain Drill A grain drill is disclosed having a folding frame for parallel operation and a parallel link system that controls the tension to earth openers in order to produce relatively constant downward pressure for the openers. The grain drill includes a rotating t... | 03/21/1995 |
| 5267517 | Multi function tillage or planting implement A planting, and agri-chemical applicating farming implement for multiple tilling functions. The implement can be deployed in multiple gang configurations. Each gang comprises a frame for coupling the implement to a tow vehicle, a blade depending downwardl... | 12/07/1993 |
| 4947770 | Coulter and fertilizer applicator linkage arrangement A parallel linkage arrangement for supporting a coulter disc and liquid fertilizer applicator on an agricultural tool bar such that the coulter disc and the fertilizer applicator maintain the same relative relationship to the ground regardless of vertical... | 08/14/1990 |
| 4895086 | Parallel linkage planter carrier A planting unit which includes opening plows, seed chute, and covering devices, which are carried by a four link parallel motion linkage to the tool bar, has a novel spring arrangement. The spring extends from one of the junctions of the linkage to a spri... | 01/23/1990 |
| 4846084 | Leveling linkage for planter units A leveling linkage is provided on a planter unit of a planter implement. Each planter unit includes a leveling spring for supporting a back end of the plant unit in its raised, transport position. The leveling linkage is connected to a mounting bracket an... | 07/11/1989 |
| 4771713 | Row crop planter convertible between narrow and wide row spacing An agricultural planter for row crops has conventional pull-type row units mounted to a frame at a relatively wide spacing for planting a crop such as corn. Push-type row units, each capable of planting two rows at a spacing which is one-third of the wide... | 09/20/1988 |
| 4766962 | Furrow forming apparatus for attachment to a tool bar A furrow forming apparatus for a seed planter is disclosed wherein the construction facilitates convenient adjustment of spring-biasing exerted on furrow forming disks of the assembly. The apparatus includes a parallel linkage which permits relative verti... | 08/30/1988 |
| 4750440 | Hoe-opener assembly A hoe-opener assembly having a "float" feature is disclosed. The present invention ties operation of several hoe openers to a common framework so that uniform depth control can be maintained. The hoe-opener assembly of the present invention is drawn behin... | 06/14/1988 |
| 4744316 | Furrow forming apparatus for a seed planter An adjustable down pressure mechanism is disclosed for use in association with a furrow forming apparatus of a seed planter. A parallel linkage arrangement is provided for mounting the apparatus on a tool bar of a tractor or the like, whereby the apparatu... | 05/17/1988 |
| 4726303 | Zero-till drill This invention is directed to a novel zero-till seed drill which has a shortened wheel base and can thus closely follow the contours of a field which is being seeded, is capable of being raised and lowered at the beginning and end of each pass on the fiel... | 02/23/1988 |
| 4726304 | Seed drill A seed drill has a frame, reservoirs, sowing shares, at least two separate inlets and outlets for two different materials, and a depth-guide or pressure roller behind each sowing share. Variable amounts of one material are conveyed to the forward outlet a... | 02/23/1988 |
| 4694759 | Seed drill A seed drill for applying seed and/or fertilizer has a frame, reservoir, and sowing shares. The sowing shares are attached to the frame in such a way that they can move in an upright plane by means of superimposed and at least approximately parallel strut... | 09/22/1987 |
| 4671193 | Planting tool A planting tool especially for minimum tillage operations has a leading rolling coulter and an elongated, rigid knife behind the coulter to hold open a slot cut in the soil by the coulter. Blades mounted on the vertical knife cut lateral slices in the soi... | 06/09/1987 |
| 4660651 | Highly flexible, foldable drill for uniform depth seed deposit In a drill, there is provided the combination of a pair of foldable pivot frames to each of which is attached a wheeled wing frame for up and down swinging movement, together with a tongue assembly for effecting the folding action, as well as a subframe f... | 04/28/1987 |
| 4611545 | Conservation no till farming apparatus A conservation no till apparatus for placing seed and fertilizer into the ground in one operation as pulled through the field includes a main implement frame having ground engaging support wheels. Hoppers for supplying the seed and fertilizer are supporte... | 09/16/1986 |
| 4603645 | Seeder with sowing shares A seeder with sowing shares and with two separate inlets and two separate outlets for the various materials like seed and fertilizer that are to be applied. The different materials can always be conveyed as desired to one or another inlet or outlet from a... | 08/05/1986 |
| 4580507 | Drill for applying seed and fertilizer A drill for applying seed and fertilizer, with a frame, reservoirs, sowing shares with at least two separate inlets for seed and fertilizer, and a depth-adjustment or pressure roller mounted behind each share, in which the materials to be applied are conv... | 04/08/1986 |
| 4525988 | Combine planter implement A planter attachment is installed on an agricultural combine between the throat portion and cutter head thereof. The planter attachment includes a transversely extended forward tool bar carried on a mounting frame adapted for connection to the cutter head... | 07/02/1985 |
| 4519325 | Grain drill suspension system A grain drill suspension system including a support member comprising a parallelogram link structure and a walking beam member. The walking beam member has furrow cutting discs attached to a front portion thereof and a press wheel attached to a rear porti... | 05/28/1985 |
| 4506609 | Trash seeder An agricultural implement for seed planting having a series of independent planter units at the rear of a frame with the planter units connected to the frame in such a manner that the press wheels of the planter units form the rear wheels of the implement... | 03/26/1985 |
| 4432292 | Floating planter A planter has the seed box and seed dispensing mechanism supported by a tool bar which is supported by tool bar gage wheels and a tractor. A plow moves loose, dry dirt from the seed bed. The plow, opening plow, and covering mechanism are drawn as a unit f... | 02/21/1984 |
| 4430952 | Planter gauge wheels with adjustable equalizer mechanism A row crop planter unit (11) is supported by a pair of laterally spaced wheel and disc assemblies (56, 57) mounted on corresponding ends of a pair of walking beams (58, 59). The other corresponding ends of the walking beams (58, 59) are interconnected by ... | 02/14/1984 |
| 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 |
| 4423788 | Agricultural furrow forming apparatus depth control An apparatus to be towed that includes a frame supported, rotatably mounted, pair of furrow forming disks that are arranged to substantially contact each other at the approximate point of entry into the soil and diverge apart rearwardly and upwardly, a pa... | 01/03/1984 |
| 4413685 | Planter implement with adjusting position-display apparatus and system thereof An apparatus is provided for remote selective operator adjustment and display of the position of adjustment of a plurality of ground-supported planting units of a planter. The apparatus includes a planter gauge wheel on each unit adjustably mounted theret... | 11/08/1983 |
| 4404918 | Closing wheel mounting for a planter The invention relates to a seed planter having furrow forming means in association with a pair of furrow closing wheels each of which is independently mounted relative to the suspension of the other so that each spring biased suspension arm is pivotable t... | 09/20/1983 |
| 4377979 | Conservation tillage row crop planter system The planter includes a number of forward tillage units each followed by an aligned planting unit. Both units are independently mounted by four-bar linkages to the planter frame. Each tillage unit includes a leading banded coulter followed by a pair of rol... | 03/29/1983 |
| 4374500 | Seed planter depth control A planter to be towed that includes a frame supported, rotatably mounted furrow forming disks that are arranged to substantially contact each other at the approximate point of entry into the soil and diverge apart rearwardly and upwardly, a seed tube for ... | 02/22/1983 |
| 4359952 | Planter quick attachable granular chemical hopper assembly A planter having a frame, a drive train supported from the frame and having a forward end adapted to be connected to a drive and the other end having drive structure rotatably supported on the frame, the frame also having a pair of laterally spaced horizo... | 11/23/1982 |
| 4356780 | Equalized furrow forming apparatus for a seed planter An apparatus to be towed that includes a frame supported, rotatably mounted, pair of furrow forming disks that are arranged to substantially contact each other at the approximate point of entry into the soil and diverge apart rearwardly and upwardly, a pa... | 11/02/1982 |
| 4311104 | Press grain drill A press grain drill includes a plurality of opener units mounted on an elongated tow tube and including a plurality of elongated, pivotably coupled elements forming a pair of parallelograms which support a self-penetrating shovel and a press wheel respect... | 01/19/1982 |
| 4307674 | Agricultural implement for planting seeds An implement that includes a pair of furrow forming disks, a seed tube located between the disks for depositing seed in the furrow, a seed firming wheel rotatably supported between the disks for movement in the furrow generally adjacent the tube exit and ... | 12/29/1981 |
| 4285284 | Seeder with pivoting soil breakers A soil cultivating implement has a row of pivotable soil working members linked to a transverse beam of the frame and individual eccentrics are connected to the members to raise and lower soil engaging portions thereof. The portions are pivoted so that th... | 08/25/1981 |
| 4275670 | Seed drill mounting arrangement Seed drill (FIG. 1) having furrow openers 10 and accompanying press wheels 12 pivotally arranged on frame 1 by mounting means 3. A spring 18 is interposed between the frame and the furrow openers - press wheels. The bias of the spring can be adjusted by o... | 06/30/1981 |
| 4267783 | Seed bed preparation method and apparatus A farm implement is provided having a sub-soiler followed by a seed bed preparation tool and a planter. The seed bed preparation tool includes a rotary bladed portion for filling in the furrow left by the sub-soiler with soil turned up by the sub-soiler a... | 05/19/1981 |
| 4265185 | Plug mix seed planter This invention consists of a tractor drawn planter which automatically deposits equally spaced sprout bearing plugs of specially prepared nutrient soil, into the ground. It is made of a rectangular framework having two rear wheels upon which it rides and ... | 05/05/1981 |
