Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
10/1983
10/26/1983EP0092316A1 Working depth control system for vehicle with ground working implement
10/26/1983EP0092128A1 Combined road milling and asphalt and concrete saw for a hydraulic excavator, backhoe loader and front loader
10/26/1983EP0091978A1 A two shells one cable underwater grab
10/25/1983US4411584 Optimized earthworking tool operating linkage
10/25/1983US4411583 Multi-purpose material handling machine for use in a mine
10/25/1983US4411323 Grading machine
10/25/1983US4411081 Trench compactor having a vibratory sheepsfoot assembly
10/25/1983US4411080 High-lead yarder rake
10/25/1983US4411079 Suction drag system
10/25/1983CA1155878A1 Trencher digging chain sprocket drive
10/18/1983US4409746 Vortex injection dredging apparatus and method
10/12/1983EP0091264A1 Submersible pumping equipment
10/11/1983US4408949 Mechanical digger
10/11/1983US4408518 Series self-leveling valve
10/11/1983US4408405 Underwater excavator
10/11/1983US4408404 Pivotable articulated support shoe for hydraulic nozzle
10/04/1983US4408195 Boundary plane warning system
10/04/1983US4407716 Liquid flow system including multi-axial liquid flow screening means for excluding oversized slender objects carried by a liquid
10/04/1983US4407626 Gripping device
10/04/1983US4407420 Ship comprising one or more derricks such as a dredge with suction pipe derricks
10/04/1983US4407381 Undercarriage for adverse terrain vehicles
10/04/1983US4407080 Pivotally mounted ripping teeth assembly on dozer blade
10/04/1983CA1154723A1 Mechanical digger
10/04/1983CA1154722A1 Control device for an earthwork machine
09/1983
09/21/1983EP0089140A2 Synchronous vibratory impact hammer
09/20/1983US4405282 Load bearing arrangement for a movable bucket fork lift attachment
09/20/1983US4405281 Hydraulic excavator with boom for large ranges of action and lifting heights
09/20/1983US4405280 Modular loader frame structure
09/20/1983US4405167 Clamshell
09/20/1983US4405019 Adjustment and stabilizer mechanism for dozer blade
09/20/1983US4404761 Digging tooth mounting bracket
09/20/1983CA1153885A1 Snow plow attachment
09/13/1983US4403906 Material handling apparatus
09/13/1983US4403905 Operating mechanism for a swing mechanism valve
09/13/1983US4403889 Grade control alignment device and method
09/13/1983US4403431 Self-contained material handling and shearing attachment for a backhoe
09/13/1983US4403430 Plough with lateral ejectors for displacing railway track ballast
09/13/1983US4403429 Articulated arm for excavator machines
09/13/1983US4403428 Suction dredge cutter head
09/07/1983EP0087958A1 A container such as a loader bucket
09/07/1983EP0087748A1 Hydraulic circuit system for construction machine
09/07/1983EP0023202B1 Angle and tilt implement assembly
09/06/1983US4402368 Earth scraper and ground support therefor
09/01/1983WO1983002969A1 A method of permanently improving the surface drainage from ground fields, preferably grass-covered fields, as well as an apparatus for use by the method
08/1983
08/31/1983EP0087380A2 Snubber for dipper door
08/31/1983EP0087361A1 Machine for cleaning or excavating ditches
08/31/1983EP0086975A2 Sliding frame with a piston-actuated swing device, particularly for a transversely shiftable backhoe
08/30/1983US4401408 Articulated vehicle
08/30/1983US4401206 Arrangement for continuously excavating ground and conveying excavated earth in the vertical direction
08/30/1983US4400896 Swinging device for dredger
08/30/1983US4400895 Drag head for a hopper suction dredge
08/24/1983EP0086544A2 Bottom sampler
08/23/1983US4399623 Dredges
08/23/1983US4399622 Fluid intake openings for a suction dredger
08/23/1983CA1152457A1 Parking stand means for tractor-dismounted front loader
08/17/1983EP0086050A1 Ditcher method and apparatus
08/16/1983US4398607 Auger with adjustable wear plate
08/16/1983US4398378 Building construction system component parts and method for assembling same
08/16/1983US4398363 Earth moving scraper
08/16/1983US4398362 Oceanic seaplow system
08/16/1983US4398361 Recovery of sediments from the bottom of the sea by suspended suction pipe
08/16/1983CA1152029A1 Hydraulic excavator for wide reaches and high lifts
08/09/1983US4397604 Releasable bucket and other tool connection for backhoe
08/09/1983US4397603 Backhoe slide frame and swing mechanism
08/09/1983US4397106 Dredge bucket wheel structure
08/09/1983CA1151602A2 Connectors
08/02/1983US4395834 Method and apparatus for excavating trenches
08/02/1983US4395833 Sealing and lubricating system for a dredge
07/1983
07/27/1983EP0084067A2 Loader/excavating vehicle
07/27/1983EP0023495B1 A bucket assembly
07/26/1983US4395193 Material handling bucket
07/26/1983US4395192 Boom cylinder
07/26/1983US4395191 Excavator-hoist construction vehicle
07/26/1983US4395066 Grab
07/26/1983CA1150740A1 In-line centrifugal pump
07/26/1983CA1150739A1 Slurry pump tram control apparatus
07/26/1983CA1150677A1 Swing motor mounting arrangement
07/26/1983CA1150500A1 Method and means for power mounting and dismounting a materials handling apparatus on a tractor
07/20/1983EP0083639A1 Grading machine
07/19/1983US4394265 Vessel in particular suction dredger provided with means for removing oil from a water surface
07/19/1983US4393608 Land forming and earth moving equipment
07/19/1983US4393607 Hydraulic excavator
07/19/1983US4393606 Excavator with laser position indicator
07/12/1983US4392774 Clam bucket attachment
07/12/1983US4392314 Boom and dipper stick construction
07/12/1983CA1149829A1 Slurry pump tram control apparatus
07/06/1983EP0083217A2 Suspension for a tractor
07/05/1983US4391472 Core eliminator for mining, road working or earth moving machinery
07/05/1983US4391468 Method and apparatus for recovering mineral nodules from the ocean floor
06/1983
06/28/1983US4390942 Control system
06/28/1983US4390075 Load weighing and accumulating system and method
06/28/1983US4390071 Replaceable cutting blade assembly for dozers
06/28/1983US4389800 Land leveling scrapers
06/28/1983CA1148780A2 Tool mounting
06/22/1983EP0081957A1 Cutter extension cone
06/22/1983EP0081841A2 Push-coupling for working devices arranged in front of motor vehicles
06/22/1983EP0023901B1 Router bit assembly for an earth working apparatus
06/21/1983US4389155 Tractor scoop mechanism
06/21/1983US4389153 Backhoe swing mechanism
06/21/1983US4389152 Stiffleg construction for power shovels