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)
04/1982
04/13/1982US4324194 Stabilized hoist rig for deep ocean mining vessel
04/13/1982US4324057 Pin type tooth retention system
04/01/1982WO1982001023A1 Building construction system component parts and method for assembling same
03/1982
03/30/1982US4322178 Pavement patching apparatus
03/30/1982US4321980 Mono stick assembly with adjustable creep control
03/30/1982US4321793 Integrated hydraulic circuit for off highway work vehicles
03/30/1982US4321762 Digging tooth apparatus for V bottom bucket
03/30/1982CA1120900A1 Crowd drive assembly for power shovels
03/23/1982US4320925 Dredge cutterhead tooth
03/23/1982US4320814 Electric-hydrostatic drive modules for vehicles
03/23/1982US4320590 Dredging device
03/23/1982CA1120453A1 Hose support bracket for backhoe swing frame
03/18/1982WO1982000843A1 Guard structure for hydraulic conduits of a mobile apparatus
03/16/1982US4319415 Cutter head for suction dredges
03/16/1982CA1120077A1 Main frame construction for vehicles
03/16/1982CA1120076A1 Excavator with a clamshell bucket having magnified vertical stroke
03/10/1982EP0046854A1 Device to control the scraping device of a dredger, especially with a parallel guidance of the dipper set at a given cutting angle
03/10/1982EP0046751A1 Blocking mechanism.
03/09/1982US4318664 Self-stabilizing load lifting and handling vehicle
03/04/1982WO1982000676A1 Structure of operating section of excavating vehicle
03/03/1982EP0046745A1 Cutting machine
03/02/1982US4317466 Hydraulic drive circuit for load-handling machines
03/02/1982US4317300 Earth working tooth with wear cap
03/02/1982US4317299 Tooth arrangement for earthworking implement
03/02/1982CA1119130A1 Router bit assembly for an earth working apparatus
02/1982
02/24/1982EP0046234A1 Material-handling and earth-moving vehicle
02/18/1982WO1982000486A1 Slurry trench method and apparatus for constructing underground walls
02/16/1982US4315636 Working vehicle
02/16/1982US4315375 Earth moving bucket
02/09/1982US4314619 Operating device for swivel working vehicle
02/09/1982US4314414 Trench digging apparatus and bearing therefor
02/04/1982WO1982000310A1 Kickout bucket positioner
02/02/1982CA1117558A1 Trench digging apparatus
01/1982
01/26/1982US4312762 Method and apparatus for removing sediment or other flowable solid material from a bed underlying a body of water
01/26/1982CA1117168A1 Transporter for heavy surface-working equipment
01/21/1982WO1982000181A1 Pivot joint
01/19/1982US4311342 Dredge head with mechanical and pumping action
01/19/1982US4311006 Pressure compensated steering system
01/19/1982US4310975 Dredging or excavating machine for marshes or canals
01/05/1982US4309142 See-through bucket
12/1981
12/30/1981EP0042547A2 Hydraulic circuit with a variable flow pump controlled by excess flow
12/29/1981US4307621 Swing drive assembly for machines having rotatable frames
12/22/1981US4306363 Side cutter apparatus for an excavating machine
12/22/1981CA1114915A1 Implement position indicator
12/22/1981CA1114789A1 Retractable boarding ladder
12/15/1981CA1114425A1 Corner tooth construction
12/08/1981US4304440 Roller cutter
12/08/1981US4304142 Operator cab tilting apparatus
12/08/1981US4304077 Mounting assembly for hydraulic conduits of a mobile apparatus
12/08/1981CA1113834A1 Load sensing control for hydraulic system
12/01/1981US4303140 Transport apparatus for heavy open-cast working equipment
11/1981
11/24/1981US4302055 Wedgingly mounted tool holder or adapter for a cutting head
11/24/1981US4301606 Apparatus for excavating a trench underneath a pipeline installed on the sea bottom
11/17/1981US4300591 Anti-cavitation and overload relief valve for a hydraulic system
11/17/1981CA1112578A1 Drive system for a skid steer loader
11/10/1981US4299530 Vehicle with adjustable balance weight
11/10/1981CA1112265A1 Combination vehicle underpan and maintenance platform
11/04/1981EP0038873A1 Sustainer for movable conveying devices
11/03/1981US4297815 Power arm fitted with coupling devices for a member provided to control its position
10/1981
10/27/1981CA1111462A1 Operator's station and mounting
10/21/1981EP0037838A1 Method of controlling internal combustion engine and hydraulic pump system
10/20/1981US4295779 Straight arm loader
10/15/1981WO1981002904A1 Depth monitoring system
10/15/1981WO1981002884A1 Load carrying stucture and method of manufacture therefor
10/13/1981US4294465 Operator's station and mounting
10/06/1981US4293270 Excavators
10/06/1981US4293269 Conversion or extension beam
09/1981
09/29/1981US4291474 Dredge swell compensator apparatus
09/22/1981US4290488 Driving machine including speed synchronized earth working traction wheel
09/22/1981US4290214 Earthworking implement side plate wear member
09/08/1981US4288196 Computer controlled backhoe
09/08/1981CA1108551A1 Method of loading and unloading railroad cars
09/03/1981WO1981002476A1 Blocking mechanism
09/02/1981EP0034900A1 Civil engineering and construction machinery with hydraulic drive system
09/01/1981US4286803 Stabilizer assembly
08/1981
08/25/1981US4285627 Undercarriage for adverse terrain vehicle
08/25/1981CA1107768A1 Scooper-excavator
08/20/1981WO1981002318A1 Earthworking implement side plate wear member
08/18/1981US4284265 Dual drive system for dragline with power interlock
08/18/1981US4283964 Control system for power shift transmission
08/11/1981US4283681 System for detecting an underwater buried cable
08/11/1981US4282933 Automatic control device for an earth working equipment
08/11/1981US4282898 Flow metering valve with operator selectable boosted flow
08/11/1981US4282665 Excavator tooth assembly
08/11/1981US4282662 Rotary trench digging machine
08/06/1981WO1981002209A1 Control lever arrangement
08/06/1981WO1981002208A1 A device for controlling the fluid supply to a number of consumers
08/06/1981WO1981002143A1 Operator cab tilting apparatus
08/05/1981EP0033060A1 Balancing system for parts of cranes and the load
08/04/1981US4281848 Joint for articulated vehicles
08/04/1981CA1106324A1 Public works machine, such as a self-propelled hydraulic loading shovel
07/1981
07/29/1981EP0032790A1 Locking device for excavating equipment
07/28/1981US4280288 Modular draging unit for collecting solid bodies on an underwater bed
07/21/1981US4279312 Dual tractor road grader with double arched center frame
07/21/1981US4279085 Excavating buckets
07/21/1981CA1105525A1 Pin type tooth retention system
07/21/1981CA1105524A1 Lip and tooth combination for a bucket wheel excavator
07/21/1981CA1105523A1 Insert for attaching a tip of an excavator tooth
07/14/1981US4278393 Slack prevention system for a crowd rope of a power shovel
07/14/1981US4278141 Undercarriage for adverse terrain vehicle