Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
10/1997
10/08/1997CN1161725A 作业车辆 The work vehicle
10/07/1997US5674046 Multiple construction equipment attachment
10/07/1997US5673558 Hydraulic circuit system for hydraulic excavator
10/07/1997CA2126999C Structure for attaching a loader to a tractor
10/02/1997WO1997036061A1 Counterweight for construction equipment and method of manufacturing same
10/02/1997DE19613700A1 Telescopically interlocking machine part, e.g. for excavator or crane
10/01/1997EP0798422A2 Multifunction valve stack
10/01/1997EP0798421A2 Crusher
10/01/1997EP0798420A1 Multipurpose combined screening and/or mixing bucket
10/01/1997EP0798162A2 Self-loading vehicle with loading arm
10/01/1997CN1161069A Region limited excavation control apparatus for construction Machines
09/1997
09/30/1997US5672029 System for pipe rehabilitation
09/30/1997US5671892 Shearing machine
09/30/1997US5671820 Backhoe having an engine hood with a driver's seat mounted thereon
09/30/1997US5671554 Sensor positioning apparatus for trench excavator
09/30/1997CA2141021C Levelling rail
09/28/1997CA2195818A1 Multifunction valve stack
09/25/1997WO1997035073A1 Chute assembly for a bucket or scoop
09/25/1997WO1997035072A1 Device for a bucket
09/24/1997EP0797075A2 Laser beam level sensor
09/24/1997CN1160428A Hydraulic circuit for boom cylinder of hydraulic shovel
09/24/1997CN1160108A Construction machinery operation range limit control device
09/23/1997US5669450 For use with a vehicle
09/23/1997US5669282 Hydraulic circuit for actuating materials handling machine
09/20/1997CA2200147A1 Loader with screening device
09/17/1997CN1159843A Vibrating device for an operating machine for a hydraulic shovel
09/16/1997US5667020 Circle and drawbar assembly for a motor grader
09/16/1997CA2009737C Bucket wheel with overhead discharge
09/12/1997WO1997033049A1 Construction machine with a quick-change jib
09/11/1997DE19608549A1 Baumaschine mit schnell zu wechselndem Ausleger Machinery with rapidly changing boom
09/10/1997EP0794291A1 Suction conveying device in particular a suction dredger
09/10/1997EP0793796A1 Device for recovering explosive objects buried in the ground
09/09/1997US5664734 Crusher apparatus
09/09/1997US5664348 Rock and material loading apparatus
09/09/1997US5664347 Powertrain for trenching machine
09/04/1997WO1997032091A1 Dredging apparatus
09/04/1997WO1997032090A1 Earthworking tools having abrasion and impact resistant metal
09/04/1997CA2248097A1 Dredging apparatus
09/02/1997US5661917 Civil engineering works machine in which the working tool is mounted at the end of an articulated arm
08/1997
08/28/1997WO1997031159A1 Working machine for hydraulic excavator
08/28/1997WO1997030576A1 Furrow-forming and earthworking equipment for inclined grounds
08/28/1997DE19706998A1 Kupplungsvorrichtung an einer ersten mobilen Einheit sowie zweite Einheit zum Ankoppeln an letztere Latter coupling device at a first mobile unit and second unit for coupling to
08/27/1997EP0791694A1 Apparatus and method for controlling a construction machine
08/27/1997EP0791693A1 Working vehicle
08/27/1997EP0791690A1 A device for adjusting inclination of an excavating head for constructing concrete underground walls
08/27/1997EP0790763A1 An equipment for the attachment of an accessory to the boom of a working machine
08/26/1997US5660421 Prospector's shovel and crevicing tool
08/21/1997WO1997030232A1 Concrete breaking jaw assembly with cutting claws
08/21/1997WO1997030231A1 Coupling device for connecting an implement to a working machine
08/20/1997EP0790356A1 Controller for excavators
08/20/1997EP0790355A1 Excavation region setting apparatus for controlling region limited excavation by construction machine
08/20/1997EP0455672B1 Trench excavating arm propulsion apparatus
08/19/1997US5657559 Rigging assembly for an excavating bucket
08/13/1997EP0788844A1 Method for vertical displacement of masses, in particular soil masses and device therefor
08/13/1997EP0757737A4 Pavement cutting and excavating tool
08/13/1997CN1157020A Excavation regions setting apparatus for controlling region limited excavation by construction machine
08/07/1997WO1997028316A1 Swing type hydraulic excavator
08/07/1997WO1997028315A1 Excavator
08/07/1997WO1997028314A1 Tool-exchanging device for hydraulic excavators
08/07/1997DE19643892A1 Exchangeable bucket for excavator
08/06/1997EP0787862A1 Region limited excavation control apparatus for construction machines
08/06/1997EP0787235A1 Earthmoving machine
08/06/1997EP0647204B1 Method of and device for suction transporting
08/06/1997EP0553348B1 System for controlling number of rotations of prime mover in hydraulically driven vehicle
08/05/1997US5653155 Method and apparatus for single lever control of multiple actuators
07/1997
07/30/1997EP0786559A2 Work area limitation control system for construction machine
07/30/1997EP0725757A4 Excavating equipment
07/29/1997US5651200 Debris exclusion devices for an augerhead type hydraulic dredge system
07/24/1997DE19606061A1 Front powered lift for tractor
07/23/1997EP0785312A1 Vibrating device for an operating machine for a hydraulic shovel
07/23/1997EP0785311A2 Electronic controls on a skid steer loader
07/22/1997US5649600 Sensor mount for an excavator
07/22/1997US5649377 Multipurpose bucket structure
07/22/1997CA2141164C Power shovel with variable pitch braces
07/17/1997WO1997025489A1 Construction
07/17/1997WO1997025488A1 Improvements in or relating to underwater mining apparatus
07/17/1997DE19650324A1 Arrangement for coupling accessories to construction machinery
07/17/1997CA2194714A1 Electronic controls on a skid steer loader
07/16/1997EP0784135A2 Starting position control for demolition apparatus
07/16/1997EP0496886B1 Armoring structure for construction machines
07/15/1997US5647722 Dual cylinder actuated boom arm
07/15/1997US5647721 For handling materials
07/15/1997CA2121774C Scissors type dipper bucket enhancing hoist rope closure for power shovels
07/09/1997EP0697049B1 Detachable link for an endless cutting or kerfing chain
07/08/1997US5646844 Method and apparatus for real-time monitoring and coordination of multiple geography altering machines on a work site
07/03/1997DE19651507A1 Vorrichtung zum abnehmbaren Anbringen eines Zusatzgeräts an einem schweren Gerät Means for removably attaching an auxiliary device to a heavy equipment
07/03/1997DE19616056C1 Controller for bucket-chain excavator with inverter-fed cable drives
07/02/1997CN1153248A Method for controlling operation of power excavator
07/01/1997US5642785 Implement coupling for excavators or loaders
06/1997
06/26/1997DE19653564A1 Crushing machine, e.g. for crushing reinforced concrete
06/26/1997DE19547481A1 Grave digging machine anchor
06/19/1997WO1997021879A1 Bucket loader with great dumping height
06/17/1997US5638908 Apparatus for adjusting between crawler tracks of a working vehicle
06/17/1997US5638620 Dredging vessel, dredging assembly and method of dredging
06/17/1997US5638616 Oil supply mechanism in a deep excavator
06/17/1997CA2111511C Farm tractor with backhoe bucket
06/12/1997WO1997020998A1 Arm arrangement of a lifting device
06/12/1997CA2239506A1 Arm arrangement of a lifting device
06/11/1997EP0778374A1 Hydraulic circuit for boom cylinder of hydraulic shovel
06/10/1997US5636903 Mining system for removing overburden