Patents
Patents for E02F 9 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups (23,883)
07/1988
07/06/1988EP0273400A1 Supporting and clearing blade for an excavator
07/06/1988EP0273299A1 Tractor and front end loader
07/05/1988US4755004 Rotary rocksaw device
07/05/1988US4754986 Load distributor with articulated ground support
06/1988
06/30/1988WO1988004735A1 Load compensated valve
06/30/1988WO1988004734A1 Load sensing circuit and electrohydraulic control for load compensated directional control valve
06/30/1988DE3643960A1 Front or rear loader with tool parallel guidance
06/29/1988EP0272593A1 Tractor and front end loader
06/29/1988CN87106589A Hydraulic circuit for hydraulic engineering machine
06/28/1988US4753299 Grader blade assembly and pick therefor
06/28/1988US4753158 Pilot hydraulic system for operating directional control valve
06/21/1988US4751785 Resilient retaining coil for excavator tooth
06/15/1988EP0270674A1 Automatic transmission of wheel loader
06/15/1988CN85103251B Apparatus for lifting drag arm of drag suction type dredger
06/14/1988CA1237971A1 Bi-directional vehicle control station
06/14/1988CA1237890A1 Scarifier tooth assembly
06/08/1988EP0270504A1 Device for the quick connecting of an implement to the rear end of an excavator
06/08/1988EP0270325A1 Excavating tooth assembly
06/07/1988US4748754 Shovel for an excavator
06/07/1988CA1237742A1 Attachment assembly for excavating teeth
06/07/1988CA1237741A1 Wear-parts system
06/07/1988CA1237635A1 Process and apparatus for vibratory operation of a working piston
06/01/1988EP0269172A2 Rotary rock and trench-cutting saw
06/01/1988CN86108004A Shroud for a digging bucket lip
05/1988
05/31/1988US4747335 Load sensing circuit of load compensated direction control valve
05/25/1988EP0268334A2 Rotary rock and trench-cutting saw
05/24/1988US4746264 Earth-working machine
05/17/1988US4744431 Endless tread chassis for full-track vehicles
05/17/1988US4744218 Power transmission
05/17/1988US4744158 Excavator tooth assembly for earth moving equipment
05/11/1988EP0266785A1 Self-propelled multipurpose device
05/05/1988WO1988003285A1 Proportional valve control apparatus for fluid systems
05/05/1988WO1988003199A1 Bulldozer blade control mechanism
05/05/1988WO1988003197A1 Cutting device
05/04/1988EP0265882A1 Device for connecting a backhole bucket to an earth-working machine
05/04/1988EP0265526A1 Apparatus for controlling the engine of wheeled construction machine
05/03/1988US4741663 For a backhoe
05/03/1988US4741248 Load responsive system having synchronizing systems between positive and negative load compensation
04/1988
04/27/1988EP0264480A1 Locking device for an adapter
04/26/1988CA1235720A1 Corner tooth for a bucket
04/21/1988WO1988002822A1 Method and device for a construction machine, particularly an excavator
04/19/1988US4738103 Hydraulic control circuit for working members of earth-moving machines with centralized braking of the actuators
04/12/1988US4736673 Selective control device for plural kinds of oil-hydraulic actuators
04/12/1988US4736647 Valve control structure for working vehicle
04/12/1988US4736534 Ditcher method and apparatus
04/12/1988US4736533 Interiorly located, rotating, self sharpening replaceable digging tooth apparatus and method
04/12/1988US4736532 Excavation apparatus
04/12/1988CA1235151A1 Rotary rock and trench cutting saw
04/07/1988WO1988002441A1 Driving control apparatus for hydraulic construction machines
04/07/1988DE3632416A1 Centre pivot-steered work vehicle with height adjustable wheels
04/06/1988EP0262856A1 Wear runner for excavating bucket
04/06/1988EP0262764A1 Elevation indication system for a large earthworking implement
04/06/1988EP0262604A1 Hydraulic circuit for hydraulic construction machine
03/1988
03/30/1988EP0262098A1 A flow recovery system for hydraulic circuits with pumps and pressure compensated distributor valves for working members of earth-moving machines
03/30/1988EP0262050A1 Digging device for earthmovingmachine used for digging trenches into the ground
03/29/1988US4734006 Wheeled building and construction machine of the mechanical shovel, bulldozer or the like type, having articulated steering
03/29/1988US4733745 Adjustable control attachment for an earth moving vehicle
03/23/1988EP0197038B1 Corner tooth for a bucket
03/22/1988CA1234330A1 Power transmission
03/16/1988EP0260113A2 Ultrasonic height control system
03/16/1988EP0259620A1 Cutter bit having hard tip with middle section defined by concave surface of revolution
03/16/1988EP0259472A1 Dredger.
03/16/1988CN87105878A Excavating teeth for dreger
03/16/1988CN85100983B Digging prong of the excavator
03/15/1988US4730691 Bi-directional vehicle control station
03/09/1988EP0259297A1 Digging tooth
03/09/1988EP0258819A1 Electronic bucket positioning and control system
03/09/1988EP0258507A1 Digging point assembly
03/09/1988EP0258281A1 An arrangement in a drivable excavator
03/09/1988EP0131580B1 Signal valve for pressure compensated system
03/08/1988US4729445 Caterpillar chassis for heavy vehicles
03/08/1988US4729222 Brake circuit apparatus for hydraulic motor
03/08/1988US4729180 Quick teeth bucket attachment
03/03/1988DE3628785A1 Apparatus for positioning digging members
03/02/1988EP0257791A1 A vehicle
03/01/1988US4727793 Signal valve for pressure compensated system
03/01/1988US4727664 Digging tooth and holder therefor
03/01/1988US4727663 Excavating tooth having a lock including a basket spring
02/1988
02/25/1988DE3720855C1 Excavator tooth
02/24/1988EP0256206A1 Excavator, in particular an hydraulically and self-propelled little one
02/23/1988US4726682 Depth measuring apparatus for a dredger
02/23/1988US4726186 Control system of hydraulic construction machinery
02/18/1988DE3623347A1 Device for controlling the swinging behaviour of a swing arm in a vehicle with articulated steering
02/17/1988EP0255845A1 Suction dredger
02/16/1988US4725187 Excavator
02/16/1988US4724673 Power transmission
02/11/1988DE3627015A1 Automatic control system for continuous cutting-edge control
02/09/1988US4723886 Method and apparatus for loading and unloading railroad gondola cars
02/09/1988US4723852 Load compensating roller bearing construction
02/09/1988CA1232629A1 Mounting for excavating implement and method
02/04/1988DE3625242A1 Excavator
02/02/1988CA1232147A1 Pivot joint
01/1988
01/28/1988WO1988000658A1 Compensated fluid flow control valve
01/28/1988WO1988000657A1 Compensated fluid flow control valve
01/28/1988WO1988000656A1 Compensated fluid flow control valve
01/26/1988US4722044 Boom control system
01/26/1988US4721339 Rock crushing device and a method thereof
01/21/1988DE3720770A1 Trolley travelling winch for floating dredger equipment which operates on an underlying surface which is influenced by listing
01/19/1988US4719711 Excavation bucket
01/14/1988WO1988000262A1 Mobile work unit with raisable and lowerable support legs