| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 037301000 | LAND CLEARER | 8 |
| 20090313860 | AUTOMATIC DEPTH CORRECTION BASED ON BLADE PITCH - A vehicle is disclosed that is configured to automatically maintain a depth of the blade during pitching of the blade. A method for utilizing the same is also disclosed. | 12-24-2009 |
| 037302000 | Tree or stump remover | 6 |
| 20090211120 | Excavator stump shearing device - An excavator stump shearing device which is characterized by a blade assembly carried by various mount devices for attachment to an excavator bucket or to an excavator boom or bucket arm. In a first preferred embodiment the blade assembly is fixed to a blade mount drum which is removably gripped by the bucket and thumb of an excavator bucket to position the blade elements of the blade assembly for shearing a stump. In other embodiments the blade assembly mount devices are characterized by mount blocks, various blade mount boxes, a bucket tooth and tooth mount assembly and a bucket-engaging pad apparatus. The blade elements of the blade assembly include a bevelled shearing blade and a companion transverse wedge or stinger blade for engaging, splitting and shearing a stump responsive to operation of the excavator boom or arm and in some embodiments, the excavator bucket. In a preferred embodiment the blade assembly is designed for removably mounting on the excavator bucket boom or arm using a blade assembly housing or mount box having pins that removably engage a pin coupler mounted on the excavator boom or arm. | 08-27-2009 |
| 20110107623 | CLEARING BLADE - The invention relates to a device and a method for removal of root stumps with an excavator, the welding adapter of which has a hook ( | 05-12-2011 |
| 20140190043 | TREE STUMP EXCAVATION TOOL - A tree stump excavation tool for use mounted for rotation from an excavation machine arm has first and second side plates extending from a body and a unitary plate mounted to lower ends of the side plates. The unitary plate has a generally helical profile and defines a blade with multiple, pointed teeth integrally formed along its forward edge. The teeth, disposed for cutting engagement with a substrate of soil and stump roots, are laterally spaced apart along the axis of rotation of the tool and angularly spaced in a direction of substrate ripping motion, wherein the teeth are engaged separately and in sequence for cutting the substrate. An excavation machine with a tree stump excavation tool is also described. | 07-10-2014 |
| 20140250741 | Rooted plant removal equipment and method of use - A digging tool is disclosed. Said digging tool comprising a blade and a frame. Said frame attaches to a two arms of an articulating arm utility vehicle. Said blade comprises a top side, a bottom side, a first side edge, a second side edge, a back side having a point, a front side having a v-cut portion. Said blade is mounted on said frame and used as a digging tool with said v-cut portion by: pressing said blade with said v-cut portion into a ground surface, grabbing a portion of a target object beneath said ground surface with said v-cut portion, pulling a portion of said target object above said ground surface | 09-11-2014 |
| 20150351331 | Tree Removal Device - A combination of a tree removal device and working vehicle for coupling the device thereon such that the combination is arranged for slicing tree roots is disclosed. The working vehicle has a front element which is pivotable relative to a frame of the vehicle about a lateral axis in front of a forward end of the frame. The tree removal device includes an attachment portion for coupling to the front element and a knife element having a blade portion. The blade portion has front and rear edges arranged for engaging the ground in respective forward and backward directions of movement of the vehicle which are sharpened so as to perform a cutting action in the respective direction of movement when the blade portion engages the ground. Furthermore, the knife element is pivotable relative to the attachment about an axis in a vertical plane that divides the vehicle into symmetrical halves. | 12-10-2015 |
| 20160057945 | Grubbing Apparatus - An apparatus for removing trees and bushes from the ground includes a frame configured for attachment to a vehicle. A first device is attached to the frame and configured to grasp a tree or a bush. A second device is attached to the frame and configured to cut, below ground, roots of the tree or bush grasped by the first device. | 03-03-2016 |
| 037303000 | Stone remover | 1 |
| 20140182172 | ROCK REMOVAL SKID STEER ATTACHMENT - A rock removal skid steer attachment includes a connection portion that has a rear face, a lower edge, and an upper edge. The connection portion is configured for engaging a skid steer. A pair of side plates extends from the connection portion. The side plates are spaced from each other. The distal section of the side plates relative to the connection portion includes a barbed portion. Each of the side plates has a top edge and a lower edge. The top edges taper toward an associated one of the lower edges as the side plates extend away from the connection portion and towards the barbed portions. The side plates are configured to be extended into a ground surface to extract boulders from the ground surface with the barbs. | 07-03-2014 |
