Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
11/2004
11/04/2004DE10321070B3 Divided boom for an excavator has a lower part which is resistant to twisting in its upper end and is inserted from below into an upper part
11/04/2004DE10297548T5 Eingabe/Ausgabe-Bedienerschnittstellensteuerung mit Bestimmung der Existenz von möglichen Bedingungen zur Aufnahme von unerwünschten Befehlssignalen Input / output user interface controller with determining the existence of possible conditions for receiving unwanted command signals
11/03/2004EP1473416A1 A bucket, or in general a container, for transporter vehicles, having a variable-shape transversal section
11/03/2004EP1473415A1 Secure hydraulic locking device for quick coupling apparatus and for hydraulic connexions associated therewith, for a coupler.
11/03/2004EP1472416A2 Mobile apparatus for earth moving and other operations such as lifting and displacing of loads
11/03/2004EP1366243A4 Dredge cutterhead
11/03/2004EP1254287B1 Universal coupler for excavator buckets
11/03/2004CN2653002Y Tracting type road roller
11/03/2004CN2653001Y Two purpose machine for digging and hoisting
11/03/2004CN1542309A Pulling rope for digging machine
11/03/2004CN1174150C Welding structural element for boss and bracket and its welding method
11/03/2004CN1174149C Fast bucket exchanger of dredger
11/03/2004CN1174148C Construction-support method of underground continuous wall and construction support system and digging machine used thereof
11/02/2004US6811371 Rapid tool coupling device for digger tools
11/02/2004US6810663 Fluid pressure circuit control system
11/02/2004CA2261468C Quick change attachment for powered auxiliary tool
11/01/2004CA2466209A1 Squeegee blade
10/2004
10/28/2004WO2004092490A1 Swing boom pivot mechanism
10/28/2004WO2004092489A1 Working machine comprising an implement coupling and an implement locking element
10/28/2004WO2004091972A2 Combination plow and claw assembly
10/28/2004WO2004079104A3 Heated bucket system
10/28/2004US20040211098 Excavator with trenching attachment
10/28/2004US20040211094 Mounting device
10/28/2004US20040211092 Padding machine and method of use
10/28/2004DE202004010987U1 Bucket wheel excavator for e.g. surface mining, has cutters specially arranged in rows on support segments
10/28/2004CA2522316A1 Swing boom pivot mechanism
10/27/2004EP1471188A1 Loader with specially formed boom
10/27/2004EP1469713A2 Assembly for securing a wear member
10/26/2004CA2261467C Fastener secured frame for boom mounted quick change bracket
10/26/2004CA2229250C Attachment construction for earthworking implement
10/21/2004WO2004090241A1 Tool holder for a heavy and highway construction machine such as a power shovel
10/21/2004WO2004089557A1 Method for screening soil and a screening device
10/21/2004US20040210370 Method and apparatus for displaying an excavation to plan
10/21/2004US20040208737 Backhoe/loader bucket design, attachment, and method for converting existing buckets
10/21/2004US20040208700 Road paving equipment tire track remover
10/21/2004DE10313523A1 Arbeitsfahrzeug mit Lade- und Transportmöglichkeit Vehicle with loading and transportation
10/20/2004EP1468144A1 Milling device for floors, rock, excavated material or other material
10/20/2004CN1172059C Communication system for working machines
10/20/2004CN1172058C Dipper link with lift hook
10/19/2004US6805038 Hydraulic cylinder pivot pin
10/19/2004US6804903 Excavator with trenching attachment
10/14/2004WO2004088049A1 Method for pneumatically picking up soil for use in suction devices and suction tube for this purpose and use of said suction tube
10/14/2004WO2004035945A8 Device for coupling wear pieces to reception tools of a public works machine
10/14/2004US20040200627 Plow blade with water passageway
10/14/2004DE10358626A1 Building subsidence supporter is used for buildings with ground water subsidence and other risks and reduced risk to personnel
10/14/2004DE10320238A1 Verfahren zum pneumatischen Aufnehmen von Erdreich für Saugvorrichtungen und Absaugrohr hierzu A method for picking up soil for pneumatic suction and suction this
10/14/2004DE10311927A1 Schnellwechsler Quick hitch
10/14/2004DE10311918A1 Chamfering and sieving or milling apparatus for earthmoving equipment e.g. excavator, wheeled loader, has crusher roller that is provided with crusher elements, and grain sieve roller that may be provided with grain sieve components
10/13/2004EP1467031A1 Working vehicle, preferably back-hoe with telescopic dipper
10/13/2004CN1536175A Equipment for removing underwater silt by using high-pressure water and compressed air
10/12/2004US6802687 Method for controlling a raise/extend function of a work machine
10/12/2004US6802377 Hammer mounting apparatus
10/07/2004WO2004085859A1 Hydraulic cylinder device
10/07/2004US20040194355 Wheel loader
10/07/2004US20040194354 Apparatus and method for suction and discharge of material
10/07/2004DE10050850B4 Vorrichtung zur Mischung von Aushubmaterial mit Zuschlagstoffen Apparatus for mixing excavated material with aggregates
10/06/2004EP1464762A1 Pneumatic excavation pipe for collecting soil and suction excavator with such an excavation tube
10/06/2004CN2646487Y Turning joint arrangement of loader for sealing and lubricating
10/06/2004CN2646426Y Trussed-beam type pumping mud discharging device for sedimentation basin
10/06/2004CN2646222Y Suction nozzle of suction dredger
10/06/2004CN1534143A Slurry mud removing shovelling machine
10/05/2004US6799640 Slide rail adjustment for grader blade
10/05/2004US6799388 Surface working device and attachable protector
10/05/2004US6799385 Abrasion resistant earth working surface and weld stud
09/2004
09/30/2004WO2004083536A1 Head for excavator mounted to power shovel
09/30/2004WO2004083535A2 Attachment assembly for excavation equipment
09/30/2004US20040191043 Structural member of a work machine
09/30/2004US20040188157 Working machine
09/30/2004US20040188115 Scraping device and a system and a method for collecting materials
09/30/2004US20040188105 Method of earthworking
09/30/2004US20040187366 Piping arrangement for swing type hydraulic excavators
09/30/2004US20040187365 Subsoiling grapple rake
09/30/2004US20040187364 Subsoiling excavator bucket
09/30/2004US20040187363 Ripper attachment for an excavation device
09/30/2004US20040187362 Combination plow and claw assembly
09/30/2004US20040187361 Combination plow and claw assembly
09/30/2004US20040187358 Front equipment mount for a wheeled vehicle
09/29/2004EP1462578A2 Working machine
09/29/2004EP1462577A2 Earthmoving blade and mounting apparatus
09/29/2004EP1462576A2 Piping arrangement for swing type hydraulic excavators
09/29/2004EP1462306A2 Working vehicle with loading and transport capabilities
09/29/2004CN2644523Y Air pressure ooze sucker
09/29/2004CN2644522Y Automatic control type suction dredge
09/29/2004CN2644521Y Small-sized multifunctional loading machine
09/29/2004CN1533464A Drilling device for earth drill
09/29/2004CN1532347A Distribution pipe layout structure of rotary hydraulic digging machine
09/29/2004CN1532346A Universal coupler for excavator buckets
09/28/2004US6796762 Boom and linkage mechanism for skid-steer loader
09/23/2004US20040184875 Quick-change attachment
09/23/2004US20040182960 Dual nozzle hydro-demolition system
09/23/2004US20040182586 Livestock bedding conditioning apparatus
09/23/2004US20040182233 Hydraulic control apparatus for controlling hydraulic cylinder for implement
09/23/2004US20040181978 Quick attachable blade
09/23/2004DE10311387A1 Tracked vehicle e.g. earthmover or snow plough, has carrier for working tool provided with hydraulic rotator for selecting different operating positions of working tool
09/23/2004DE10310482A1 Performance optimizing method for hydraulically driven devices of coil milling cutter, by fastening rotor on a high-speed shaft between a hydraulic motor and a reduction gear
09/23/2004DE10309258A1 Einrichtung zur Befestigung und zum Drehantrieb eines Greiferwerkzeugs Means for fixing and rotary drive of a tool gripper
09/23/2004DE10297276T5 Aufsatzkopplungsvorrichtung für Schwermaschinen Attachment coupling device for heavy machinery
09/22/2004EP1458938A1 Front-end loader comprising an automatic coupling device
09/22/2004CN2642845Y Digging mechanism
09/22/2004CN2642844Y Device for digging ditch and pit