Patents
Sitemap › E02 - Hydraulic engineering; Foundations; Soil-shifting › E02F - Dredging; Soil-shifting › E02F 9 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
Patents for E02F 9 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups (23,883)
11/1980
11/18/1980US4233761 Earth digging bucket tooth construction having a nose with increased section modulus
11/18/1980CA1089809A1 Material diverting apparatus for an auger scraper
11/12/1980EP0018891A1 Submarine vehicle for dredging and lifting minerals at a great depth
11/11/1980CA1089500A1 Method of exploitation of a nodule deposit on a sea floor and a device for carrying out said method
11/04/1980US4231700 Method and apparatus for laser beam control of backhoe digging depth
11/04/1980US4231699 Lower and crawler frame construction for crawler propelled machines
11/04/1980US4231173 Excavating tooth
11/04/1980US4231171 Method and apparatus for mining nodules from beneath the sea
10/1980
10/28/1980US4230372 Dual rock cutter wheel trencher
10/28/1980US4230199 Apparatus for shifting center of gravity of a work vehicle
10/28/1980US4230022 Hydraulic rock breaker circuit for an excavator
10/28/1980CA1088590A1 Releasable corner tooth assembly
10/28/1980CA1088452A1 Apparatus for loading and unloading railroad cars
10/21/1980CA1087878A1 Cemented carbide-steel composites for earthmoving and mining applications
10/15/1980EP0017593A1 Engine for cleaning ponds, marshes or canals
10/14/1980US4227744 Impact tip for impact rock breaker
10/14/1980US4227323 Hydraulic dredge suction diversion flap
10/02/1980WO1980002059A1 Keeper assembly
10/01/1980EP0016736A1 Improvements in telescopic column structures for excavating trenches, foundations and the like
09/1980
09/30/1980US4225282 Backhoe boom transport locking means
09/30/1980US4225176 Motor vehicle, especially agricultural motor vehicle
09/30/1980CA1086496A1 Composite ground engaging tool
09/23/1980US4223758 Loader, especially bucket loader for underground mining
09/23/1980CA1086189A1 Lever mechanism
09/18/1980WO1980001927A1 Router bit
09/17/1980EP0015890A1 Cutter head for suction dredges
09/16/1980US4222578 Tandem wheel proportioning arrangement
09/16/1980US4222287 Multiple control locking device
09/16/1980US4222186 Adaptable combination of vehicle and attachments
09/09/1980CA1085160A1 Locking mechanism for movable vehicle members
08/1980
08/26/1980US4219211 Trailer connection means
08/26/1980US4218837 High lift hydraulic system for an excavator
08/21/1980WO1980001700A1 Router bit assembly for an earth working apparatus
08/19/1980CA1084037A1 Stabilizer assembly
08/19/1980CA1083837A1 Sea sled tow line vector system
08/12/1980US4216832 Furrowing tool
08/12/1980US4216700 Actuator device for actuating ejector of scraper
08/12/1980CA1083613A1 Stabilized hoist rig for deep ocean mining vessel
08/07/1980WO1980001530A1 Impact tip for impact rock breaker
08/05/1980US4215874 Articulation lock
07/1980
07/29/1980US4214639 Suspended drilling system
07/29/1980US4214633 Soil stabilizer and tooth holder therefor
07/22/1980US4213257 Securing member for wear parts for earth-moving machines
07/22/1980CA1082252A1 Teeth of buckets for mechanical and hydraulic shovels
07/22/1980CA1082242A1 Construction vehicle
07/10/1980WO1980001394A1 Roller cutter
07/08/1980US4211150 Air cylinder
07/08/1980US4211020 Vertically adjustable mast assembly for a dredge
07/08/1980CA1081170A1 Lift arm assembly
07/08/1980CA1081088A1 Valve control mechanism
07/08/1980CA1081007A2 Loader bucket cutting edge with recessed bolt studs and method
07/01/1980US4210219 Undercarriage for adverse terrain vehicle
07/01/1980US4210218 Undercarriage for adverse terrain vehicle
07/01/1980US4210170 Anti-cavitation and overload relief valve for a hydraulic system
07/01/1980US4210061 Three-circuit fluid system having controlled fluid combining
06/1980
06/26/1980WO1980001268A1 Apparatus for shifting center of gravity of a work vehicle
06/25/1980EP0012236A1 Vehicle with adjustable counterweight
06/24/1980US4208817 Router bit assembly for an earth working apparatus
06/24/1980US4208816 Tooth adaptor
06/24/1980US4208815 Straight edge blade for installation on an earth moving bucket
06/24/1980CA1080162A1 Hose guard
06/24/1980CA1080086A1 Dual pivot axis control lever
06/17/1980US4207740 Valve blocks, in particular for hydraulic excavators
06/17/1980US4207693 Backhoe bucket adapter bushing and pin method and apparatus
06/11/1980EP0012095A1 Autostable vehicle for lifting and handling loads
06/11/1980EP0011766A1 Excavator with position indication of its working tool
06/10/1980US4206818 Work vehicle and ring bearing arrangement therefor
06/10/1980US4206602 Single lever hydraulic system control mechanism
06/10/1980CA1079384A1 Optical device for a surface vehicle guidance system using a light-contrast programme
06/03/1980US4205469 Cutter tooth system
06/03/1980CA1078606A2 Ground engaging tool with improved wear resistant insert and method of making same
05/1980
05/27/1980US4204460 Arrangement for influencing the operating quantity of a servo-motor
05/27/1980US4204349 Corner tooth construction
05/27/1980US4204347 Device for cutting loose hard ground material
05/20/1980US4203684 Articulated joint including Belleville spring seals maintained in preselected compressed state
05/14/1980EP0010860A1 Load sensing control for hydraulic system
05/06/1980US4201052 Power transmission
05/06/1980US4201001 Earth moving equipment
05/06/1980CA1076996A1 Tower assembly
05/06/1980CA1076925B Fluid control system with priority flow
04/1980
04/29/1980US4200054 Stabilized hoist rig for deep ocean mining vessel
04/29/1980US4199942 Load sensing control for hydraulic system
04/29/1980CA1076454A1 Flow control valve for combining two dissimilar independent systems to a common pressure source
04/22/1980US4199293 High pressure implement circuit for loader with slow and fast dump position
04/16/1980EP0009516A1 Method and device for maintaining tools at a level below a water surface
04/15/1980US4197918 Subterranean plow blade
04/15/1980CA1075794A1 Laser control apparatus for a tool carrying vehicle
04/08/1980US4197032 Apparatus and method for forming a continuous strip of paving
04/08/1980CA1075272A1 Tool for earthworking machine
04/08/1980CA1075040A1 Transmission control system
04/08/1980CA1074995A1 Apparatus for actuating the operation of a snowplow
04/02/1980EP0009123A1 Canal construction machine
04/01/1980US4195426 Extracting ores from the sea bottom
04/01/1980CA1074739A1 Backhoe mounting assembly
04/01/1980CA1074667A1 Remote control assembly
03/1980
03/25/1980US4194574 Draft power sensor and method for improving performance in earthmoving equipment
03/25/1980US4194365 Hydraulic motor control
03/25/1980CA1074361A1 Articulated vehicle with movable joint
03/25/1980CA1074207A1 Control device and arm support
03/25/1980CA1074135A1 Cable plow assembly
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