Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
11/1992
11/24/1992US5165192 Caterpillar-driven excavating machine equipped with a separate working tool
11/24/1992US5165191 Front end loader attachment convertible between loading bucket and side-shift-angle dozer configurations
11/24/1992CA1310490C Resonantly driven earth mover
11/19/1992EP0514019A2 A vibratory plough assembly
11/19/1992EP0513393A1 Offset-boom construction machine
11/19/1992DE4132173C1 Multiple shovel arm linkage - includes boom with swivel system designed to cover 100 deg range
11/17/1992US5163804 Attachment for loading and unloading constructional material
11/11/1992EP0512584A2 Method and apparatus for controlling working machines of a power shovel
11/10/1992CA1309982C Apparatus and method for forming and compacting planting mounds
11/10/1992CA1309810C Sweeping process and means
11/04/1992EP0511383A1 Automatic vibration method and apparatus for hydraulic excavator
11/03/1992US5160239 Coordinated control for a work implement
11/03/1992US5160034 Vibrating bucket screen for beaches
10/1992
10/31/1992CA2046507A1 Quick coupler
10/29/1992WO1992018709A1 Heavy duty mobile demolition tool
10/29/1992WO1992018708A1 Concrete deck pulverizer
10/29/1992WO1992018707A2 Method and apparatus for dredging sludge
10/29/1992WO1992018706A1 Dozing device for bulldozer
10/29/1992WO1992018701A1 Improvements in or relating to underwater excavation apparatus
10/28/1992EP0511199A1 Quick coupling for connecting implements to an excavator
10/28/1992CN1065605A Concrete deck pulverizer
10/28/1992CN1065604A Heavy duty mobile demolition tool
10/27/1992US5158420 Rotary dipper stick
10/21/1992EP0509934A1 Method for guiding a digging tool during the excavation of a trench wall, and digging tool to be used in the method
10/20/1992US5156520 Linkage system for loading machines
10/20/1992US5155928 Method and tool for performing seabed excavation
10/20/1992CA2066359A1 Process for guiding the excavation tool used for the construction of a wall cast in the ground, and excavation tool for implementing this process
10/19/1992CA2066377A1 Vibratory plough assembly
10/15/1992WO1992017652A1 Accessory for a wheel loader
10/15/1992DE4201622A1 Schwerer, mobiler betonplattenzerkleinerer Heavy, mobile betonplattenzerkleinerer
10/15/1992DE4201582A1 Schweres, mobiles abbruchwerkzeug Heavy, mobile demolition tool
10/15/1992DE4111427A1 Double action dredging head - is for mining aggregates using hydraulically cutting teeth and compressed air conjunction
10/14/1992EP0508692A1 Accessory detachable mechanism of construction machine
10/14/1992CN2118754U Dredger ship for shipping
10/13/1992US5154466 Pneumatic soil removal tool
10/13/1992US5154241 In a golf course sandtrap
10/13/1992US5154013 Lifting stool for a support tub of a dragline excavating machine
10/13/1992US5154012 Support tub for dragline excavating machine
10/13/1992CA1308555C Plow for motor grader
10/10/1992CA2065095A1 Accessory detachable mechanism of construction machine
10/08/1992DE4210790A1 Multipurpose construction machine with hydraulic tool exchange - has safety device incorporated in hydraulically actuated quick coupling
10/08/1992DE4108873A1 Machine forming foundation slit wall - has two endless cutter chains mounted side by side and equipped with buckets
10/07/1992EP0506758A1 An excavator bucket.
10/07/1992CN1065113A Multi-funcitonal small excavator
10/06/1992US5152659 Boom assembly for work machine
10/06/1992US5152329 Surface levelling device and method
10/01/1992DE4110781A1 Liquefaction dredging of harbour - using ship towing pipe with pump and water jet arrangements
09/1992
09/30/1992EP0506604A1 Quick-acting coupling for temporarily connecting implements to an excavator boom
09/29/1992US5150986 Process and apparatus for depositing silt on the bottom and slopes of the wet open working or dredging
09/29/1992US5150936 Grapple assembly for attachment to workhead
09/29/1992CA1308074C Attachment device for front end loaders
09/29/1992CA1308073C Bucket leveling system with dual fluid supply
09/29/1992CA1308072C Loader mounting system
09/24/1992DE4108315A1 Earth moving bucket machine - has live boom with working tool of two independently movable grab jaws
09/23/1992EP0414738B1 Process for manufacturing bucket wheel bodies and bucket wheel bodies so obtained
09/23/1992CN2116714U Scraper for tractor with caterpillar track
09/23/1992CN2116713U Working equipment for dredger with chain bucket
09/22/1992US5148615 Dredging apparatus
09/22/1992CA1307767C Work-implement adapter for front loader
09/15/1992US5147173 Coupling device
09/15/1992US5147000 Disc drill bit
09/15/1992US5146699 Auger dredge specially adapted to removal of toxic sediment
09/15/1992US5146683 Reinforcement cutter
09/09/1992EP0368915B1 A device in a quick coupling
09/08/1992US5145313 Quick disconnect bucket actuator
09/08/1992US5145075 Boom point construction
09/08/1992US5144761 Front end loader-mounted ditch hoe attachment
09/08/1992US5144760 Powered vehicle for driving under power along the ground
09/03/1992WO1992014887A1 Mixing device for a front end loader bucket
09/03/1992WO1992014349A1 Ground scarifier
09/03/1992DE4142083A1 Ground cable laying plough - has hydraulic cylinders for adjusting angle and inclination of plough blade
09/03/1992DE4106198A1 Compact loader device - has single lifting arm for shovel, at side of driver's cabin
09/02/1992EP0501616A2 Method and apparatus for controlling the blade of a motorgrader
09/02/1992EP0500730A1 Quick drop valve.
09/02/1992CN2114678U Connection type hydranlic dredger
09/02/1992CN1018057B Heavy duty plate shear
09/01/1992US5144317 Method of determining mining progress in open cast mining by means of satellite geodesy
09/01/1992US5142799 Tractor backhoe attachment
09/01/1992US5142779 Mobile wood and tire shear
08/1992
08/27/1992DE4118962C1 Material spreading, levelling and comminuting mechanism - has plate-shaped levelling elements with surfaces orthogonal to rotary axis
08/26/1992EP0499826A1 Actuating arrangement for demolition device
08/26/1992EP0499682A1 Bucket for earth-moving machine
08/25/1992US5141385 Implement attachment coupler
08/25/1992US5141288 Side-dumping loading bucket and control system therefor
08/25/1992US5140761 Dragline bucket line protection device
08/25/1992US5140760 Arrangement for rotator units
08/25/1992US5140759 Pneumatic device for excavating and removing material
08/20/1992WO1992013693A1 Multifunction construction machine
08/19/1992CA2048551A1 Shovel for earthmoving equipment
08/16/1992CA2060791A1 Position control system for a construction implement such as a road grader
08/12/1992EP0498285A1 Demolition shears
08/12/1992CN2112650U Semi closed self-suction self-walking underwater mud suction machine
08/11/1992US5137317 Shovel lift apparatus
08/11/1992US5137161 Boom support assembly
08/11/1992US5137101 Cross-country vehicle with stepwise locomotion
08/11/1992US5136928 Service machine stopping apparatus for midget rotary power shovel
08/05/1992EP0496926A1 Trench cutter
08/05/1992EP0496886A1 Armoring structure for construction machines
08/04/1992US5135347 Loader mounting
07/1992
07/30/1992DE4201162A1 Controlling excavator with front mechanism - having joints for swivelling also rotary joints for turning and provided with joint angle sensors at corresp. joints for determining respective joint angles