Bizarre Patents
A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8016043 | Marker assembly having breakaway feature An agricultural implement has a marker assembly that is pivotable in a generally rearward direction when the marker assembly collides with a relatively massive field obstruction. The interconnection of the marker assembly to a central frame of the implement allows t... | 09/13/2011 |
| 8011439 | Marker assembly having spring linkage to limit momentum in marker assembly during marker assembly deployment A marker assembly includes a first linkage section interconnected to a second linkage section by a pivoting joint. The pivoting joint also includes a spring linkage that limits momentum in the second linkage section before a marking disc carried by the second linkag... | 09/06/2011 |
| 7984767 | Marker assembly having caster wheel A marker assembly for use with an agricultural implement includes a marker wheel that may caster as needed to reduce loading of the marker assembly during deployment of the marker assembly, in response to variations in surface contour, and in response to changes in ... | 07/26/2011 |
| 7854271 | Marker assembly having rigid link and cam assembly A marker assembly mountable to an agricultural implement includes a set of interconnected frame sections that can be pivoted with respect to one another to retract the marker assembly for transport and/or storage. The marker assembly has a support wheel that support... | 12/21/2010 |
| 7743842 | Marker assembly having float feature A marker assembly for use with an agricultural implement includes a float linkage that allows limited vertical displacement of the marker assembly when the marker assembly is in a fully deployed position. This limited vertical displacement accommodates changes in su... | 06/29/2010 |
| 7743843 | Marker assembly for an agricultural implement A marker assembly has a scalable frame that allows a user to set the width of the frame to provide flexibility in defining the width at which a marking furrow is made. The scalable frame includes multiple linkages interconnected to one another in a manner that allow... | 06/29/2010 |
| 7352074 | System for producing hydrogen making use of a stream of water A system for producing hydrogen from water, making use of a stream of water such as a gulf stream or tidal stream, includes a number of submerged modules, each having a turbine that can be driven by the stream of water. The turbine is coupled to a generator for gene... | 04/01/2008 |
| 7103986 | Adjustable agricultural marker system and method of manufacture An agricultural marker assembly is disclosed for use with a marker arm that extends from an agricultural vehicle wherein the vehicle moves along a primary travel direction during operation. The assembly includes an extension assembly including at least first and sec... | 09/12/2006 |
| 7073735 | Boom breakaway system Foldable boom inner wings are attached to a boom center frame through a rocker attached to a breakaway hydraulic cylinder pressurized to full stroke and connected to an accumulator. When a wing impacts an object, the impact load is transmitted through the fold cylin... | 07/11/2006 |
| 7043889 | Machine for harvesting stalk crops A harvesting machine for harvesting stalk crops, such as maize or the like, has at least two cutting and intake units which have a series of drum-like cutting and intake elements which can be rotated about essentially vertical axes and are fastened to supporting ele... | 05/16/2006 |
| 7021397 | Folding furrow roller for the preparation of seed beds A folding furrow roller that facilitates planting operations and optimization of irrigation and drainage with efficient preparation, configuration, and planting of seed beds. A centrally located fixed drum roller supports a pair of hinged outboard drum roller wings ... | 04/04/2006 |
| 6883436 | Template door and wing assembly with break-away feature for rail ballast regulator A rail ballast wing assembly includes a outer door with at least one hinge edge, a template door pivotably secured to least one of the hinge edges and a positioning device associated with the outer door and the template door for maintaining an angular orientation of... | 04/26/2005 |
| 6708775 | Field marker for implements A field marker attachable to an outer end of an agricultural implement comprises an arm pivotally attachable to the implement extending perpendicular to the travel direction. A marking device is attached at a distal end of the arm. An extendable hydraulic cylinder i... | 03/23/2004 |
| 6397952 | Breakaway for field marker on agricultural implement A field marker for mounting on an agricultural implement includes an elongated arm adapted to project outwardly laterally of the implement when in its operating position and is adapted to carry a field marking device at its outer distal end for making a s... | 06/04/2002 |
| 6334492 | Breakaway for field marker on agricultural implement A field marker for mounting on an agricultural implement includes an elongated arm adapted to project outwardly laterally of the implement when in its operating position and is adapted to carry a field marking device at its outer distal end for making a s... | 01/01/2002 |
| 6334491 | Self-supporting field marker A field marker arranged for mounting on an agricultural implement at one side thereof includes a marker arm including a marker disk movable between a deployed position extending outwardly of the implement to one side thereof and a retracted position. The ... | 01/01/2002 |
| 6263976 | Field marker for agricultural implement A field marker for mounting on an agricultural implement includes an elongated arm adapted to project outwardly laterally of the implement when in its operating position and is adapted to carry a field marking device at its outer distal end for making a s... | 07/24/2001 |
| 6257343 | Compact folding row marker A folding row marker assembly for use with an agricultural implement has an inner link assembly that includes both a mounting that attaches to the agricultural implement and one or more inner link members. The row marker further includes first arm members... | 07/10/2001 |
| 6220364 | Seeder with outrigger marker A seeder of the type adapted to be pulled behind a tractor for seeding a field is provided with an extendable and retractable pivoted linkage assembly on each side of the seeder. A marking disk is rotatably mounted on the furthest extremity of the linkage... | 04/24/2001 |
| 6189465 | Field marker control system for agricultural planters A control system is provided for automatically deploying the field markers on an agricultural planter in an alternating manner without requiring operator input. The control system utilizes a proximity sensor to determine whether the tool bar is coming fro... | 02/20/2001 |
| 6079114 | Telescoping marker arm A field marker is mounted on the rear corner of the seeder or cultivator frame so that its weight is supported by the packer wheels or support wheel axles at the rear of the frame, thus minimizing the imbalance and uneven seeding that will occur with mark... | 06/27/2000 |
| 6019178 | Field marker A field marker for easily and compactly folding to and from an implement with relatively few moving components. The inventive device includes an inner arm pivotally attached to a bracket structure attachable to a side of an implement, an outer arm pivotal... | 02/01/2000 |
| 5992534 | Folding boom A folding boom for a tri-fold row marker for an agricultural implement. The boom comprises three segments, an inboard segment pivotally coupled to the toolbar, a middle segment pivotally coupled to the inboard segment, and an outboard segment pivotally co... | 11/30/1999 |
| 5957216 | Resettable breakaway system A breakaway system which is easily reset by a user and does not utilize shear pins or spring loaded tension devices. The inventive device includes a support member having a U-shaped cross-sectional area, an inner member attached to the support member, an ... | 09/28/1999 |
| 5833010 | Control system for field makers of an agricultural machine A control apparatus for use with two opposed ground markers of an agricultural machine comprises a hydraulic circuit including a plurality of hydraulic valves for communicating fluid actuate movements of the marker cylinders and an electrical control syst... | 11/10/1998 |
| 5785128 | Field marker A field marker for attachment to a farm implement to form a groove in the ground for guiding a farmer as the implement is towed or driven across a field includes an inner wing section pivotally connected to a lateral end of the implement and an outer arm ... | 07/28/1998 |
| 5542190 | Bifold field marker The present invention is bifold field marker. The marker utilizes a marking disc mounted on the distal end of an arm. This arm is coupled to a mounting bracket which, in turn, is connected to an implement's tool bar. The arm is articulated at a central kn... | 08/06/1996 |
| 5507107 | Hoisting boom assembly A hoisting boom assembly comprises an upright column being piviotable by a rotary actuator and a first and second boom, the first boom pivotally mounted by its first end on upright column and by its second end on second boom; the second boom having its fi... | 04/16/1996 |
| 5485796 | Apparatus for marking soil An apparatus to be advanced in a travel direction by a vehicle to continuously mark underlying soil. The apparatus has an elongate body with first and second portions and leading and trailing surfaces. Structure is provided at a first location on the elon... | 01/23/1996 |
| 5484025 | Locking row marker hydraulic cylinders in retracted transport condition The invention is directed to a foldable agricultural implement frame having an extended working configuration and a folded transport configuration. The frame comprises a center section and two wing section. Each of the wing sections have row markers that ... | 01/16/1996 |
| 5425427 | Folding marker for agricultural implement An improved folding marker for an agricultural implement that is partially self-supporting in the use position and during a portion of the folding operation. An inner arm is pivotally attached to the agricultural implement for simultaneous movement in bot... | 06/20/1995 |
| 5408756 | Bifold field marker The present invention is a bifold field marker. The marker utilizes a marking disc mounted on the distal end of an arm. This arm is coupled to a mounting bracket which, in turn, is connected to an implement's tool bar. The arm is articulated at a central ... | 04/25/1995 |
| 5379847 | Tri-fold row marker A tri-fold row marker comprises three arm segments, a winglet pivotally coupled to the toolbar, an inner arm pivotally coupled to the winglet, and an outer arm pivotally coupled to the inner arm. A marker disc is mounted to the distal end of the outer arm... | 01/10/1995 |
| 5170848 | Sod cutting machine A sod cutting machine that includes a towable frame and a series of parallel trailing suspension arms, each suspension arm having a sod cutter disk and roller device for limiting the cutting depth of the disk. Each suspension arm is independently swingabl... | 12/15/1992 |
| 5027525 | Field marker An improved field marker is provided which can be used on an agricultural implement of the type which includes wing folding. The field marker has an arm with a disk mounted on an outer end of the arm and a mounting system at the inner end of the arm for s... | 07/02/1991 |
| 4986367 | Folding row marker A folding row marker includes first, inner and second, intermediate sections pivotally coupled together, as well as a third, outer section pivotally coupled to a distal end of the second section. A marker disc is disposed on the distal end of the third se... | 01/22/1991 |
| 4883127 | Sprayer marker A field marker for attachment to a sprayer boom has an outer square tube clamped to the end of the spray boom. An inner square tube slides in the outer tube and is connected to it by a pair of coil springs that bias the inner tube downwardly. An hydraulic... | 11/28/1989 |
| 4880160 | Torsional link boom suspension for reducing unwanted boom motion Boom support structure for a sprayer including a boom center frame supported for rocking both about a fore-and-aft extending axis and an upright axis by a torsional pendulum structure to isolate the boom from the sprayer frame movement in both the roll an... | 11/14/1989 |
| 4825957 | Breakaway mechanism for a row marker An improved breakaway assembly for preventing damage to markers for agricultural equipment when such markers encounter obstacles during use. The improved breakaway assembly includes an elongated member for holding the marker in place, imparting only tensi... | 05/02/1989 |
| 4800962 | Planter hydraulic system with means for locking row markers during transport A wide farm implement is provided with a swingable tongue which permits endwise to and from fields. A pair of transport wheels are provided for supporting the implement for endwise transport and the support wheels, on which the implement is supported duri... | 01/31/1989 |
