Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
08/1988
08/09/1988CA1240160A1 Method and device for insulation of the ground
08/09/1988CA1240145A1 Plow blade
08/04/1988DE3702285A1 Scrap cutter (scrap shears) for attachment to diggers or manipulators
08/04/1988DE3701589A1 Quick-action coupling
08/03/1988EP0277077A1 Blade to be mounted on a fork lift truck
08/03/1988CN87211564U Single cable flate-port grab bucket
08/02/1988US4761113 Quick coupler assembly
08/02/1988US4761038 Surface working accessory
08/02/1988US4760656 Placer mining apparatus with puddling nozzle
07/1988
07/28/1988WO1988005483A1 Positive keeper means for pins of earthworking tips
07/28/1988WO1988005482A1 Rotary high-lift
07/27/1988EP0275257A1 Device for a load carrying unit.
07/26/1988US4759664 Method of building or restoring marshes and beaches
07/19/1988US4757622 Portable power shovel
07/19/1988CA1239428A1 Trailing arm suspension
07/19/1988CA1239376A1 Scraper gate for earth transportation equipment
07/14/1988WO1988005103A1 Vortex stream dredge and method
07/07/1988DE3702255A1 Drum reclaiming appliance
07/06/1988EP0273828A1 Snap-fastening device for public works and maintenance implements
07/06/1988EP0273400A1 Supporting and clearing blade for an excavator
07/06/1988EP0273299A1 Tractor and front end loader
07/05/1988US4755101 Device for removably attaching front loader to vehicle
07/05/1988US4755004 Rotary rocksaw device
07/05/1988US4755001 Excavating machine
07/05/1988CA1238928A1 Rock ditcher
07/05/1988CA1238927A1 Bucket wheel dredging device
06/1988
06/30/1988DE3643960A1 Front or rear loader with tool parallel guidance
06/29/1988EP0272593A1 Tractor and front end loader
06/28/1988US4753568 Material handling attachment for a tractor having a multiple-point hitch assembly
06/28/1988US4753299 Grader blade assembly and pick therefor
06/28/1988US4753023 Power transmission through a shaft subject to orbiting
06/23/1988DE3641959A1 Apparatus for clearing-depth adjustment for earth clearing dozers
06/16/1988WO1988004277A1 A lifting arrangement, a so-called hoist, which can be mounted on a vehicle
06/16/1988DE3641657A1 Self-propelled backfilling device having a backfilling member
06/15/1988CN85103251B Apparatus for lifting drag arm of drag suction type dredger
06/14/1988US4750280 Trench-digging machine
06/14/1988US4750279 Mobile apparatus for carrying out work both above and below water
06/14/1988EP0262141A4 Bulldozer blade mounting and stabilizing arrangement.
06/08/1988EP0270504A1 Device for the quick connecting of an implement to the rear end of an excavator
06/08/1988EP0270325A1 Excavating tooth assembly
06/07/1988US4749308 Self-propelled underwater cable burying machine
06/07/1988US4748779 Telescopic arm for use in civil engineering machines
06/07/1988US4748754 Shovel for an excavator
06/07/1988CA1237635A1 Process and apparatus for vibratory operation of a working piston
06/01/1988EP0269438A1 Steel plate cutter
06/01/1988EP0269172A2 Rotary rock and trench-cutting saw
06/01/1988EP0269113A1 Method and apparatus for conveying solids using a high velocity vacuum
05/1988
05/26/1988DE3638998A1 Apparatus for picking up mineral deposits from the sea bed
05/25/1988EP0268577A1 Tipping loading shovel
05/25/1988EP0268334A2 Rotary rock and trench-cutting saw
05/24/1988US4746264 Earth-working machine
05/24/1988US4746254 Material handling attachment for a tractor having a multiple-point hitch assembly including a high-lift mechanism
05/19/1988DE3801336A1 Comminution cutting edges on grab shovel pairs for excavating devices
05/17/1988US4744425 Apparatus for excavating a substantially vertical slot
05/10/1988US4742627 Digging boom assembly
05/05/1988WO1988003200A1 Cleansing apparatus for excavators
05/05/1988WO1988003199A1 Bulldozer blade control mechanism
05/05/1988WO1988003198A1 Connector
05/05/1988WO1988003197A1 Cutting device
05/04/1988EP0265882A1 Device for connecting a backhole bucket to an earth-working machine
05/04/1988EP0187736B1 A drilling machine to be coupled to an excavator
05/03/1988US4741663 For a backhoe
05/03/1988US4741662 Material handling equipment
05/03/1988US4741250 Fluid-power device using rollers
05/03/1988CA1236054A1 Snubber
05/03/1988CA1236053A1 Earth working machine
05/03/1988CA1235897A1 Attachment for wheel-mounted loaders and like machines
04/1988
04/28/1988DE3635597A1 Apparatus for demolishing chimneys or the like
04/27/1988EP0265344A1 Method for producting a pile in the ground, drilling machine and device for carrying out such a method
04/26/1988CA1235719A1 Backhoe clamping
04/19/1988US4738036 Peat harvester with automatically adjustable suction heads
04/13/1988EP0263762A1 Excavating device for digging trenches into the ground
04/13/1988EP0263727A1 Device for digging trenches
04/12/1988US4737067 Device for mounting working implements on tractor
04/12/1988US4736673 Selective control device for plural kinds of oil-hydraulic actuators
04/12/1988US4736633 Multipurpose lifting and pulling vehicle
04/12/1988US4736534 Ditcher method and apparatus
04/12/1988US4736532 Excavation apparatus
04/12/1988CA1235151A1 Rotary rock and trench cutting saw
04/07/1988WO1988002421A1 Excavator attachment
04/07/1988WO1988002420A1 Boom for a vehicle
04/07/1988DE3632559A1 Apparatus for the suction removal of material from the bottom of rivers, canals and other stretches of water
04/06/1988EP0262856A1 Wear runner for excavating bucket
04/06/1988EP0262764A1 Elevation indication system for a large earthworking implement
04/06/1988EP0262141A1 Bulldozer blade mounting and stabilizing arrangement.
04/06/1988CN86102084B Force-moment-enhanced pneumatic grabbing bucket
04/05/1988US4735547 Backhoe mounting
03/1988
03/30/1988EP0262050A1 Digging device for earthmovingmachine used for digging trenches into the ground
03/30/1988EP0261806A1 A loader attachment
03/30/1988EP0261125A1 Skewing attachment for wheel-mounted loaders, tractors, or like machines
03/30/1988EP0164366B1 A material working machine
03/30/1988CN87106043A Moving-type self-pushed pulverizer
03/29/1988US4734006 Wheeled building and construction machine of the mechanical shovel, bulldozer or the like type, having articulated steering
03/29/1988US4733600 Apparatus for controlling cargo handling position
03/29/1988CA1234591A1 Rotational grapple
03/23/1988EP0197038B1 Corner tooth for a bucket
03/23/1988EP0162846B1 Apparatus for controlling an earthmoving implement
03/22/1988US4733355 Non-contacting range sensing and control device
03/22/1988US4732227 Equipment for continuous hole drilling in soil
03/22/1988US4731941 Dragline hoe, method and apparatus