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| Number | Title | Issue Date |
| 8001708 | Lift attachment for skid loader A hydraulically operated attachment for a skid loader or the like provides for the easy removal of large trees and the lifting of other heavy objects. The lift attachment includes a frame, a base portion extending forward from the bottom of the frame, a lifter porti... | 08/23/2011 |
| 7832125 | Plant transplanting apparatus A plant transplanting apparatus includes a pair of hand spade assemblies each having a post with a top end and a bottom end and a blade that has a top edge and a bottom edge. The top edge is attached to the bottom end of the post and a grip is attached to the top en... | 11/16/2010 |
| 7610698 | Apparatus for extracting plant specie and a method thereof An apparatus for extracting plant species of varying heights and varying diameters adapted to be mounted on a conventional land vehicle includes a frame and an extracting member rigidly attached to and extends outwardly from a bottom edge of the frame. The extractin... | 11/03/2009 |
| 7415998 | Tree jack A novel lifting tool for lifting rooted trees and the like from the ground. There is: at least one main boom; at least one outrigger coupled to a first end of the main boom; at least one mounting member coupled to a second end of the main boom, the mounting member a... | 08/26/2008 |
| 7322388 | Tree removal attachment and method A tree removal attachment is provided which can be easily affixed to construction equipment such as a small loader or skidster. The tree removal attachment has at least one moveable blade which is powered preferably by the hydraulic system of the loader for use in t... | 01/29/2008 |
| 7249429 | Quick-release bucket adapter A manipulator assembly for attachment to a bucket of a construction vehicle is disclosed. The manipulator assembly includes a universal attachment apparatus for attaching a utility tool to the bucket. The universal attachment apparatus includes a housing adapted to ... | 07/31/2007 |
| 7210590 | Transportation cart primarily for use in an animal barn A transportation cart primarily for transporting deceased animals through the alleyways of a barn has a swivelling mast and boom mounted on the front section of a frame driven by powered wheels with a slide panel attached to the mast below the boom over which the ob... | 05/01/2007 |
| 7185437 | Chainsaw bar tensioning apparatus A chain saw bar tensioning apparatus is disclosed comprising a sliding member having a recess formed therein. The sliding member is adjacent to a first tensioning member that biases the sliding member in a direction such that when the apparatus is incorporated into ... | 03/06/2007 |
| 7086432 | Flex coupling for grinders and chippers A cutting machine and a method of using the cutting machine includes a cutting apparatus having a cutting device, a jackshaft sheave, an endless belt and an engine sheave. The cutting machine may have a jackshaft sheave, which is rotatably connected to the cutting i... | 08/08/2006 |
| 7073452 | Automated tree spade centering device An automated device for centering a mechanical tree spade provides a sighting device on each blade thereof with a readout adjacent to the operator to determine proper blade placement in order to provide an acceptable root ball for transplanting a tree. ... | 07/11/2006 |
| 7017631 | Feller buncher A feller buncher includes an elongate support having an axis, a first side, a second side, a first end and a second end. A first tree receiving cavity is positioned along the first side of the support. A second tree receiving cavity is positioned along the second si... | 03/28/2006 |
| 7011124 | Stump grinder having automatic reversing feed assembly A reversing automatic feed assembly for a stump grinder includes at least one sensor adapted to sense excessive load placed on the stump grinder and output a signal thereof. The reversing automatic feed assembly also includes a control system operatively connected t... | 03/14/2006 |
| 7007414 | Vertical underground stump grinding apparatus A vertical underground stump grinding apparatus having an elongated stump grinding tool rotatable about a vertical axis with cutting blades on the surface and a drilling end rotatably mounted on a vehicle such as a hydraulic excavator, skid steer loader, self propel... | 03/07/2006 |
| 6968877 | Remote control power chain saw apparatus The invention comprises a remote controlled power chain saw which can be remotely operated and remotely positioned to different heights and at different angles. The chain saw has a front and rear assembly with an endless chain with cutting teeth thereon which is piv... | 11/29/2005 |
| 6817305 | Device for transplanting trees or shrubs A device serves for transplanting trees or shrubs. The device comprises a carrier that is capable of encircling the tree or the shrub. Circularly arced slideways are supported on the carrier, and spades are adjustably supported along the slideways. The spades can be... | 11/16/2004 |
| 6751895 | Vertical underground stump grinding apparatus A vertical underground stump grinding apparatus having an elongated stump grinding tool rotatable about a vertical axis with cutting blades on the surface and a drilling end rotatably mounted on a vehicle such as a hydraulic excavator or skid steer loader which prov... | 06/22/2004 |
| 6722296 | Tree spade system A tree spade system for providing a vehicle-mounted system capable of excavating large and heavy plants and transporting them while locking the system into place to prevent damage to the vehicle and plant The tree spade system includes a vehicle with a tilting mecha... | 04/20/2004 |
| 6698478 | Mobile silvicultural apparatus and method for operating the same A mobile silvicultural apparatus for use in a land of trees comprising mature trees and immature trees. The apparatus includes a steerable wheeled support frame, an articulated boom, a motor system, and a control system. The steerable wheeled support fram... | 03/02/2004 |
| 6662835 | Rotary tree cutter attachment for tractor A rotary tree cutter attachment for a tractor includes a cutting assembly having a circular blade with a serrated outer edge, and a motor for rotatably driving the blade. A frame assembly for the tree cutter includes a first portion attached to the tracto... | 12/16/2003 |
| 6662479 | Tree and stump removal Provided herein is a device which is useful in removing trees, stumps, and the like from various landscapes. A device according to the invention may be attached to existing earthmoving equipment, preferably in the place of a conventional bucket used on a ... | 12/16/2003 |
| 6640851 | Shaft assembly for stump cutter A stump grinding apparatus of the type adapted to be mounted in a frame on the end of a boom is described. The apparatus comprises a grinding wheel mounted between hubs keyed to a shaft that is connected though belts and gears to a source of motive power,... | 11/04/2003 |
| 6564836 | Apparatus for excavating and crushing tree stumps The present invention provides an apparatus that lifts, secures, splits and/or crushes tree stumps or other materials, particularly wooden materials and other materials that may be present at an excavation site. The apparatus is characterized in part by a... | 05/20/2003 |
| 6561108 | Plantman spherical transplanter The present invention is a mechanical tree transplanting attachment that replaces the bucket of a loader-motor vehicle. The attachment is capable of excavating and planting a tree and root ball using a single hemispherical scoop with a fixture nestled wit... | 05/13/2003 |
| 6550505 | Land clearing tractor for selectively clearing a land of brush and trees and process therefor A land clearing tractor and process are provided for selectively clearing a land of brush and trees. The tractor has a traction unit for moving the tractor along a direction of travel. A supporting frame is connected to the traction unit. The frame has fi... | 04/22/2003 |
| 6550504 | Stump grinding wheel The present invention contemplates a stump grinding wheel that provides a user of a stump grinder with visual access through the wheel. The wheel comprises first and second opposing surfaces joined by a common edge. The edge is shaped in the form of a pol... | 04/22/2003 |
| 6530333 | Tree excavator and transplanter An apparatus 10 and method for excavating, transporting, and transplanting a live tree. The invention relates more specifically to equipment, which utilizes curved ground piercing excavation blades 42 moveably supported on a ring assembly 50 that is pivot... | 03/11/2003 |
| 6484766 | Stump grinding apparatus having improved cutter tool A stump grinding wheel includes a wheel member having a plurality of receiving brackets. Each receiving bracket includes a cutting tool channel. A cutting tool is received in each of cutting tool channel. Each cutting tool includes an elongated shaft havi... | 11/26/2002 |
| 6435234 | Self contained stump grinder A disc cutter is rotatably mounted on a self-contained power unit which is detachably mounted on lift arms of a hydraulic excavator for locating the disc cutter at a position on the opposite side of a stump from the excavator and providing curling movemen... | 08/20/2002 |
| 6431231 | Hydraulically controlled stump grinder The stump grinder has a rotating cutting wheel that is mounted onto an arm for raising and lowering movement and is driven by a hydraulic motor. The arm is capable of being moved about a generally upright axis to control the rate of laterally feed of the ... | 08/13/2002 |
| 6401831 | Tine structure for bare root tree and stump extracting tool A tool, for mounting on a powering vehicle for transport, vertical motion and pivotal motion about a horizontal axis, provides a frame having connecting structure to interconnect with the powering vehicle. The frame carries extracting structure having plu... | 06/11/2002 |
| 6401369 | Grubbing tool A grubbing tool is provided for attachment to an excavator or other earth working machine, of the type having extensions from the boom such as a dipper stick and dipper stick linkage. The tool is moved arcuately and vertically to pull rooted brush having ... | 06/11/2002 |
| 6382113 | Device for transplanting trees or bushes A device for transplanting trees or bushes having at least two spades that can be adjusted against each other. These spades can be set between an open and closed position by means of a pair of attached servo-drives. When in the open position, the spades a... | 05/07/2002 |
| 6343659 | Mini shrub spader A mini shrub spader for unearthing and transporting trees and shrubs. The mini shrub spader has a basketed U-blade which allows it to unearth, shape the root ball and transport a tree or shrub utilizing the same device. The mini shrub spader is preferably... | 02/05/2002 |
| 6308440 | Excavation attachment for powered loader An excavation attachment for a powered loader, e. g., skid steer loader, front end loader, etc., provides considerably greater leverage for removal of stumps, large imbedded concrete blocks and stones, etc., from the underlying surface. The attachment inc... | 10/30/2001 |
| 6305445 | Stump grinding machine having improved cutting boom support structure An improved stump grinding machine includes a frame structure having an engine mounted thereon. A boom has a proximal end and distal end and is pivotally mounted to the frame structure at its proximal end. A grinding wheel is rotatably mounted to the dist... | 10/23/2001 |
| 6269559 | Mulching unit for use in mulching apparatus A mulching unit for a mulching apparatus includes at least one cutting assembly having a rotatable support element and at least one cutting element releasably mounted and movable or rotatable with respect to the support element. With this structure, it is... | 08/07/2001 |
| 6253690 | Tree excavator and transplanter This invention relates generally to an apparatus and a method for excavating and transplanting a live tree. The invention relates more specifically to equipment which utilizes curved ground piercing blades moveably supported on a ring assembly positioned ... | 07/03/2001 |
| 6230770 | Stump chipper and method for the operation thereof A stump chipper for at least partially removing a stump and the like from the ground, by means of chipping, comprises a subframe that can be positioned on the ground and that supports a movable arm at the end of which a chipping wheel is mounted such that... | 05/15/2001 |
| 6206104 | Bare root tree and stump extracting tool A tool, for mounting on a tractor or backhoe having a three or four point hitch to pivotally mount the tool on a laterally extending horizontal axis for vertical motion and for pivotal motion about the horizontal axis, provides a frame having connecting s... | 03/27/2001 |
| 6148547 | Chain saw guide bar for tree harvester A chain saw guide bar for a tree harvester is arranged to yield when an excessive force is applied such as when the guide bar becomes jammed in a cut. Yielding of the guide bar protects the bar holder from damage. The guide bar is heat treated or otherwis... | 11/21/2000 |
