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| Number | Title | Issue Date |
| 8020323 | Drilling tool The invention relates to a drilling tool comprising: two pairs of rotary drums in axial alignment on parallel axes; a motor mechanism for driving rotation of the drums; a support element; and a support structure on which the drums are mounted to rotate and serving t... | 09/20/2011 |
| 7661209 | Foundation construction device for producing trenches in the soil The invention relates to a foundation construction device for producing trenches in the soil comprising a frame, at least one soil-removing device arranged on the frame and a control device for controlling the foundation construction device in the trench, wherein th... | 02/16/2010 |
| 7614170 | Extendable excavating screw unit equipped with hydraulic excavating auxiliary blades An excavating screw unit equipped with a hydraulic excavating auxiliary blades has developed for an auger crane, comprising: an extension unit having auxiliary excavating blade, cylinder mounting hole, built-in fluid passages in extension unit, hydraulic cylinder, p... | 11/10/2009 |
| 7559161 | Soil working method and apparatus A soil working method, in which a soil working device suspended on at least one supporting cable is lowered by a supporting device and introduced into the ground. Subsequently, the soil working device is raised from the ground using the supporting cable and in addit... | 07/14/2009 |
| 7497038 | Trench cutter The invention relates to a trench cutter comprising at least two cutting wheels or pairs of cutting wheels, whose axes of rotation are offset from each other. A forced synchronization is achieved in accordance with the invention in that a single drive motor is provi... | 03/03/2009 |
| 7409785 | Cutting element supported on a chain In a chain excavator including an excavation chain with links routed around a drive sprocket and an end idler with a base plate mounted to a link for supporting excavation implements, a stabilizing element extends rearwardly from directly behind the excavation imple... | 08/12/2008 |
| 7367143 | Cutter and method for working the soil A cutter for working the soil includes a cutting frame, at least two cutting wheels that are supported on the cutting frame in a rotatably drivable manner about parallel axes of rotation, and an adjusting device, The adjusting device functions to adjust the center d... | 05/06/2008 |
| 7363733 | Device and method for making a trench wall in the soil The invention relates to a device for making a trench wall in the soil comprising a frame, at least one lower cutting/mixing wheel arranged at the bottom of the frame, at least one further, upper cutting/mixing wheel arranged at the top of the frame, wherein the fra... | 04/29/2008 |
| 7356947 | Method for making a trench wall in the ground, trench wall cutter, and trench wall cutting device The invention relates to a method for making a trench wall in the ground, in which at least one cutting wheel located on a trench wall cutter is given a rotary movement by a drive, the trench wall cutter is lowered into the ground and soil material below the cutting... | 04/15/2008 |
| 7356948 | Cutting wheel for a trench wall cutter The invention relates to a cutting wheel for trench wall cutter, having a cutting wheel hub and at least one cutting tooth holder, which is located in substantially radially projecting manner on the cutting wheel hub. The cutting wheel according to the invention is ... | 04/15/2008 |
| 7308946 | Method of cleaning hole diggers and spot cultivators and hole digger cleaning device A travelling rolling digger (1) for sequential hole drilling or for producing sequential cultivated spots in soil. The travelling rolling digger (1) includes at least one drilling shaft which is rotatable by a drive mechanism about a longitudinal shaft... | 12/18/2007 |
| 7284345 | Milling device for floors, rock, excavated material or other material The milling apparatus (1) has a bucket with a receiving chamber and has a milling unit with a milling rotor (14). The receiving chamber has a receiving opening (4) and is embodied as a bucket (2). On the bottom of the bucket (2), a... | 10/23/2007 |
| 7222900 | Motion assisted manure fork A motion assisted manure fork having a handle, a fork head having a plurality of tines, a leverage assembly and a motor assembly that imparts a sinusoidal motion to the plurality of tines. The fork head includes a frame having a neck dimensioned to receive one end o... | 05/29/2007 |
| 7222899 | Motion assisted manure fork A motion assisted manure fork having a handle, a fork head having a plurality of tines, and a motor assembly that imparts a sinusoidal motion to the plurality of tines. The fork head includes a frame having a neck dimensioned to receive one end of a handle and a plu... | 05/29/2007 |
| 7178273 | Cutting device for cutting trenches in the ground A cutting device for cutting trenches in the ground having at least one cutting wheel drivable in rotary manner and at least one first cutting element, located on the cutting wheel, for removing soil material during a rotation of the cutting wheel in one rotation di... | 02/20/2007 |
| 7152346 | Method for making a trench wall in the ground, trench wall cutter and trench wall cutting device The invention relates to a method for making a trench wall in the ground, in which at least one cutting wheel located on a trench wall cutter is given a rotary movement by a drive, the trench wall cutter is lowered into the ground and soil material below the cutting... | 12/26/2006 |
| 7114271 | Cutting tool for digging trenches, and enabling the cutter head to be changed quickly The invention relates to a cutting tool for digging vertical trenches, the tool comprising: a jib (B); a cutter structure (34; C) suspended from the jib via a cable; a plurality of cutter me... | 10/03/2006 |
| 7055270 | Cutting element supported on a drum In a chain excavator including an excavation chain with links routed around a drive sprocket and an end idler with a base plate mounted to a link for supporting excavation implements, a stabilizing element extends rearwardly from directly behind the excavation imple... | 06/06/2006 |
| 7051460 | Light weight shoes A shoe including an upper material using a double raschel warp knitted fabric is provided. The upper material includes a first surface having a non-mesh structure and a second surface having a non-mesh structure part (A) and mesh structure parts (B, C). The burst st... | 05/30/2006 |
| 6948265 | Excavation apparatus An excavating apparatus having a prime mover with a longitudinal centerline and a main frame with an engine, a ground drive system and an excavation boom operatively attached thereto wherein the excavation boom has a first end and a second end. The first end of the ... | 09/27/2005 |
| 6944977 | Drum for an excavator that can be used in particular for the production of vertical trenches in hard or very hard soils Excavator drum for the production of vertical trenches, including a cylindrical shell (22) mounted so sa to rotate about its axis of revolution and a plurality of excavating tools (28, 30) mounted on the external face of the shell. The tools include a ... | 09/20/2005 |
| 6925880 | Apparatus and method for measuring the acoustic properties of a membranophone Apparatus and method of measuring acoustic properties of a drumhead of a drum are disclosed. The acoustic properties are measured by exciting the drumhead with a source of energy and detecting the acoustic energy emitted by the drumhead. The acoustic energy emitted ... | 08/09/2005 |
| 6865827 | Utility device having an improved rotatable drive mechanism A utility vehicle or other device for excavating soil or the like includes a utility mechanism, such as, e.g., a trencher, an auger or the like, with a motor-driven utility drum. In preferred embodiments, the motor is contained substantially entirely inside the drum... | 03/15/2005 |
| 6839989 | Drilling apparatus for hard ground The invention provides apparatus for drilling trenches in the ground, the apparatus comprising a frame and a drilling assembly having a horizontal support plate connected to the bottom end of the frame, said plate supporting drilling tools disposed beneath said plat... | 01/11/2005 |
| 6839988 | Drilling apparatus for hard ground An apparatus for drilling trenches in the ground comprising a main frame having two vertical main faces, a drilling assembly comprising a support disposed at the bottom of said frame, means for causing said drilling assembly to move in vertical translation relative ... | 01/11/2005 |
| 6820358 | Compact vehicle for composting manure storage under high-rise avian houses A compact self-propelled vehicle for composting windrows of compost material found in cramped confines has a low frame forming a central tunnel for mounting a flow-through conveyor. A front pick-up end has a central-flow auger system for attacking into the windrow e... | 11/23/2004 |
| 6612377 | Scraper tool An excavation cleaning tool or dredge is provided which rotates and scrapes together and captures the loose soil, sand and gravel debris at the bottom of the hole to provide a clean, flat-bottomed hole which is free of compressible excavation waste materi... | 09/02/2003 |
| 6547337 | Trencher with foldable rock saw wheel A trencher with a rock saw wheel has a foldable section that may be pivoted to one side during transport of the trencher on a truck or trailer, in order to decrease the overall height of the trencher during transport, or can be removed to reduce transport... | 04/15/2003 |
| 6467200 | Shoe mechanism for an excavating wheel and associated method A shoe mechanism adapted for use on a dredging apparatus (10) to remove silt from under the surface of a body of water and associated method, the dredging apparatus being operative in both a forward and reverse direction of travel and including an excavat... | 10/22/2002 |
| 6438874 | Hydraulic rotary grinder for attachment to construction machinery A hydraulic rotary grinder for attachment to construction machinery such as an excavator, consisting of a rotating drum having a hollow core and a plurality of attached replaceable grinding tips. A hydraulic motor rotates the drum, and is secured within t... | 08/27/2002 |
| 6435766 | Method and apparatus for ground working A method and apparatus for ground working. A first step involves providing an apparatus for ground working with telescopically extendible wheel supports which permit the height and angular orientation of the chassis to be adjusted to suit a contour of a d... | 08/20/2002 |
| 6349488 | Technical field A trencher mountable on a vehicle such as a tractor, includes a substantially horizontal hollow stationary member positioned substantially perpendicular to the direction of travel of the vehicle, an extension member which is slidably receivable within the... | 02/26/2002 |
| 6224163 | Milling roller module for a surface miner A milling roller module for a surface miner, includes a milling roller operating with undershot for loosening the material from the block being mined, a support frame for fastening the milling roller to the surface miner, and a takeup chute for supporting... | 05/01/2001 |
| 6164384 | Method for producing a plurality of cultivated spots for planting of trees and a rolling spot cultivator A method and apparatus for producing a plurality of spaced apart cultivated spots in soil. A spot cultivator (1) is moved across the soil in a direction in which the spaced apart cultivated spots are to be formed. The spot cultivator (1) includes at least... | 12/26/2000 |
| 6151810 | Connecting device of soil removing member for excavator A connecting device of a soil removing member for an excavator is used for connecting two soil removing members, wherein a helical ejecting blade is attached on an outer periphery of a rotational shaft. The rotational shaft in one soil removing member is ... | 11/28/2000 |
| 6085446 | Device for excavating an elongated depression in soil An excavating device has conical milling tools each having a longitudinal center axis. At least one motor is provided for rotatingly driving the milling tools about their longitudinal center axis. The milling tools each have a mantle surface. The mantle s... | 07/11/2000 |
| 6076289 | Scarifier machine with a shaking milling drum A scarifier machine has a milling drum partially enclosed in a protective sump which is suspended from the frame of the machine by a linkage assembly. The protective sump of the scarifier machine is connected to the frame of the machine by shaking members... | 06/20/2000 |
| 5983533 | Scarifer machine with a shaking milling drum A scarifier machine has a milling drum partially enclosed in a protective sump which is suspended from the frame of the machine by a linkage assembly. An eccentric drive reciprocates the sump relative to the frame.... | 11/16/1999 |
| 5964049 | Trencher A trencher has an adjustable depth arbor support mechanism. The depth control mechanism includes a linkage which normally controls the depth of the trench being dug, but which also will allow the arbor to retract from the ground if it hits an obstacle. Pr... | 10/12/1999 |
| 5924222 | Trench wall cutter The invention relates to a trench wall cutter with a cutting frame and a gear shield attached thereto. There is at least one cutting wheel positioned to turn on the opposite shield sides, and on it roller-shaped excavation tools distributed over the perip... | 07/20/1999 |
