Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
03/1993
03/18/1993WO1993005241A1 A device for quick connection of hydraulic tubings
03/17/1993EP0532490A1 Dredger for removing mud without stirring up sludge and/or other sediments
03/17/1993EP0532195A2 Method and apparatus for controlling an implement
03/16/1993US5193295 Installation for shifting won minerals
03/10/1993EP0530530A1 Tilt actuator for shovel
03/10/1993CN1020047C Method and equipment for clay expansion experiment
03/09/1993US5192179 Lift arm and tilt linkage systems for load elevating vehicles
03/09/1993US5191943 Three-point hitch attached grader with adjustable blades
03/06/1993WO1993005243A2 Suction dredger
03/06/1993CA2095630A1 Suction dredger
03/03/1993EP0529380A2 Breaking tool
03/03/1993CN1069542A Excavator bucket
03/03/1993CN1069541A Bucket excavator
03/02/1993US5189940 Method and apparatus for controlling an implement
03/02/1993US5189817 Crumber mechanism for a trencher machine
02/1993
02/25/1993DE4127530A1 Coupling and raising trailer implements - involves vertical triangular frame coupled by rod and shafts to articulated mechanisms on tractor
02/25/1993DE4127517A1 Implement attachment for tractor - consists of rapid change panel or coupling connected to tractor by articulated rectangular mechanism
02/24/1993EP0528378A1 Tilting bucket
02/24/1993EP0528005A1 Multifunction construction machine
02/24/1993EP0527733A1 An indicating apparatus for a coupling.
02/23/1993US5188502 Linkage arrangement for a multi-purpose vehicle
02/23/1993US5188193 Drive arrangement for earth moving machines
02/23/1993US5187868 Metal demolition shear
02/17/1993CN2127092Y Self-loading tipping lorry
02/10/1993EP0526639A1 Device for controlling height of blade of tracked vehicle
02/09/1993US5184933 Mini-size universal hydraulic excavator
02/09/1993US5184932 Linkage mechanism of a work implement
02/04/1993WO1993002010A1 Grapple lifting implement
02/02/1993US5184293 Apparatus for automatic depth control for earth moving and grading
02/02/1993US5183316 Mounting bracket for a working device
02/02/1993US5183216 For concrete
01/1993
01/27/1993EP0524490A1 Dredger
01/27/1993EP0524470A2 Milling tool adapted for excavating
01/27/1993EP0524446A1 Grab unit mounted on floats for the production of sand and gravel
01/27/1993CN1068382A Excavator for forming underground continuous wall
01/26/1993WO1993001899A1 System for in-situ treatment of underwater contaminated material
01/26/1993US5182057 Method for in situ dispensing of cementitious materials at remote locations
01/26/1993US5181574 Scraper blade mount for bulldozer
01/26/1993CA2092415A1 System for in-situ treatment of underwater contaminated material
01/21/1993WO1993001392A1 Rotary cutter for extracting hard rock
01/21/1993WO1993001366A1 Mechanism for connecting an attachment to a construction machine
01/21/1993WO1993001365A1 Bucket for earth moving equipment
01/21/1993DE4213478A1 Coupling for attaching tools to crane arm - comprising shackle type connection with U-type section swivel connected to crane arm
01/20/1993EP0524107A1 Automatic guiding method for an earthmoving machine
01/20/1993EP0523050A1 Wear strips
01/19/1993US5179985 Lifting and crushing apparatus for tree stumps
01/19/1993US5179794 Semi-automatic coupling apparatus
01/19/1993US5179793 Floating dredger
01/13/1993EP0522765A2 Excavator for forming underground continuous wall
01/13/1993EP0521978A1 Rotary rockwheel assemblies.
01/12/1993US5178510 Apparatus for controlling the hydraulic cylinder of a power shovel
01/12/1993US5178484 Apparatus to prepare a road surface
01/12/1993US5177887 Snow wing
01/07/1993WO1993000486A1 Quick disconnect bucket actuator
01/07/1993WO1993000286A1 Improvement for a hoisting boom assembly
01/07/1993EP0521560A2 A coupling piece
01/07/1993EP0521032A1 Improvements in fluid-based excavating.
01/07/1993EP0310674B1 Operation speed controller of construction machine
01/05/1993US5176491 Overcenter backhoe apparatus
01/05/1993US5175920 Blade replacement tool and method
01/04/1993CA2063167A1 Front loader jaw accessory
12/1992
12/29/1992US5174387 Method and apparatus for adapting the operational behavior of a percussion mechanism to the hardness of material that is being pounded by the percussion mechanism
12/29/1992US5174385 For performing ground level or grading work
12/29/1992US5174115 Electrically actuated and controlled auxiliary hydraulic system for skid steer loader
12/28/1992CA2045822A1 Hoisting boom assembly
12/25/1992WO1993000483A1 Apparatus and methods for cutting soil and in situ construction of subsurface containment barriers
12/25/1992CA2090242A1 Apparatus and method for cutting soil and in situ construction of subsurface containment barriers
12/24/1992DE4122713A1 Two scoop gripper - has multiple pivot closing mechanism with scoops opened and closed by actuating cylinder
12/23/1992WO1992018707A3 Method and apparatus for dredging sludge
12/22/1992US5172499 Combination scraper/loader
12/22/1992US5172498 Shovel for earthmoving equipment
12/22/1992US5172497 Slurry density control system
12/16/1992EP0518298A1 Milling device for slits and milling method
12/16/1992EP0518297A1 Excavation equipment and method to control the rate of advance of an excavation tool
12/16/1992EP0518293A1 Frame for a milling device for slits with pressure compensation for the bearing closures
12/16/1992EP0518292A1 Hose piping with several parallel hoses
12/16/1992EP0518275A1 Lock cylinder for backhoe slide frame
12/15/1992US5171124 Backhoe attachment for skid steer loader
12/15/1992US5170943 Excavating apparatus
12/15/1992US5170576 Cutting wheel arrangement for suction dredge
12/15/1992CA1311355C Modular skimmer for subgrade preparation including provision for crossflow of material
12/12/1992CA2066986A1 Lock cylinder for backhoe slide frame
12/10/1992WO1992021828A1 Coupling device
12/10/1992WO1992021826A1 Wire saw excavator, cut-off wall or landslide protection construction constructed thereby and construction method thereof
12/10/1992WO1992010637A3 Tool for making holes in the ground
12/10/1992DE4110722A1 Suction dredging system for waterway - has crane deployed suction head which feeds slurry into vessel mounted separation tanks, where silt is stored for water collection
12/09/1992EP0382726B1 Process and device for dredging silt in ports, waterways and the like
12/09/1992CN2124258U Negative pressure self-suction dredging device for tap water fast clarification tank
12/08/1992US5170342 Method and apparatus for automating a routine operation of electronically controlled hydraulic-powered machine
12/08/1992US5169278 Vertical lift loader boom
12/08/1992US5169277 Lift arm lock down apparatus and method
12/03/1992DE4117686A1 Rotary cutting tool for excavation work - has blades arranged over body formed from two truncated cones such that spoil is led behind tool head
12/02/1992EP0516009A1 Jet connected to a device to increase the water depth of a watercourse
12/02/1992CN2123553U Dredger
12/01/1992CA1310988C Offset attachment sidebar chain
11/1992
11/26/1992WO1992020875A1 Mechanism for supporting an earthworking etc. tool
11/26/1992WO1992020874A1 Lift arm and tilt linkage systems for load elevating vehicles
11/26/1992WO1992020871A1 Multipurpose utility vessel
11/26/1992CA2109824A1 Lift arm and tilt linkage systems for load elevating vehicles
11/25/1992CN2122777U Working device for self-loading tippers