| Patents for E02F 9 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups (23,883) |
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| 03/28/1978 | US4080708 Method of repairing a dredge cutterhead |
| 03/14/1978 | US4078681 Dual pump hydraulic control system with predetermined flow crossover provision |
| 03/14/1978 | US4078616 Track-type vehicle frame |
| 03/07/1978 | US4077729 Holding construction for detachable connection of the tooth tip of a dredge tooth |
| 03/07/1978 | US4077529 Excavator bucket and ripper tooth assembly |
| 02/21/1978 | US4074782 Hydraulic system of a skid steer loader |
| 02/21/1978 | US4074690 Pre-adjusted control module for construction vehicles |
| 02/21/1978 | US4074449 Method of making a loader bucket cutting edge with recessed bolt studs |
| 02/14/1978 | US4073141 Fluid control system with priority flow |
| 02/14/1978 | US4073078 Adjustable dredging and trenching apparatus |
| 02/07/1978 | US4072338 Openable dual windshield arrangement for construction vehicles |
| 02/07/1978 | US4071967 Quick change corner tooth assembly for loader buckets |
| 01/31/1978 | US4070978 Floating apparatus for weeding and dredging waterways |
| 01/24/1978 | US4070064 Cooling system for rock ripper tip |
| 01/24/1978 | US4069972 Heat systems for vehicles |
| 01/24/1978 | US4069884 Self-propelled drive mechanism |
| 01/24/1978 | US4069604 End wear bit for earthmoving equipment blades |
| 01/17/1978 | US4068876 Bumper and counterweight arrangement and method for assembling the same |
| 01/17/1978 | US4068733 Control linkage for crossing pivotal joint |
| 01/10/1978 | US4067657 Cam lock retaining means for ripper tips |
| 01/10/1978 | US4067588 Ladder assembly for construction vehicles |
| 01/03/1978 | US4066004 Oscillatory electro-hydraulic system |
| 12/27/1977 | US4065011 Portable water scoop |
| 12/20/1977 | US4064230 Gastrointestinal disorders |
| 12/20/1977 | US4063832 Parallel linkage with pivoted translating link |
| 12/13/1977 | US4062539 Automatic control systems for rippers for use in civil works |
| 12/06/1977 | US4061432 Releasable lock for excavating tooth |
| 12/06/1977 | US4061393 Shock mounted tilting operator platform |
| 11/29/1977 | US4060261 Loader main frame for skid steer loader |
| 11/22/1977 | US4059196 System for controlling a power shovel |
| 11/08/1977 | US4057294 Wedge arrangement for removably affixing a work tool or work tool holder to a base member on mining, road working or earth moving machinery, and the like |
| 11/08/1977 | US4056893 Eccentric retaining bolt for earthworking tools and method |
| 10/25/1977 | US4055262 Loader main frame for skid steer loader |
| 10/25/1977 | US4055223 Corner tooth assembly for an earthmoving implement having a hollow rearward portion |
| 10/25/1977 | US4055046 Control system having override for fluid operated work elements |
| 10/18/1977 | US4054216 Apparatus for controlling bucket in tractor mounted loader |
| 10/18/1977 | US4054083 Dual lever control mechanism |
| 10/11/1977 | US4053868 Vehicle system monitor |
| 10/11/1977 | US4053181 Seabed mining utilizing circulating current based on water level differences |
| 10/11/1977 | US4053178 Platform - operator tilting resilient mounting for earthmoving vehicles |
| 10/11/1977 | US4053018 Automatic control system for earth-moving equipment |
| 10/11/1977 | US4052803 Loader bucket cutting edge with recessed bolt studs and method |
| 10/11/1977 | US4052802 Ground-engaging tool with wear-resistant insert |
| 10/04/1977 | US4051920 Method and apparatus for vacuum evacuation and pressure fillings of sealed pin joints |
| 10/04/1977 | US4051860 Valve control mechanism |
| 09/27/1977 | US4050735 Multi-purpose cab for construction vehicles |
| 09/27/1977 | US4050596 Electrohydraulic valve assembly for front end loader attachment to farm tractor |
| 09/27/1977 | US4050172 Excavator tooth, holder therefor and staple retainer |
| 09/27/1977 | US4050170 Dredge cutter head |
| 09/20/1977 | US4049139 Backhoe with multi-movement capabilities |
| 09/20/1977 | US4049138 Excavator having adjustable wheels |
| 09/20/1977 | US4049070 Excavator having lifting legs and cooperating boom mounted bucket for "walking" |
| 09/13/1977 | US4047486 Excavator blade for replacing railroad sleepers |
| 09/13/1977 | US4047312 Corner tooth assembly |
| 09/06/1977 | US4046270 Power shovel and crowd system therefor |
| 09/06/1977 | US4046035 Method of machining the upper pad on the swing bearing of a large excavator |
| 08/30/1977 | US4044838 Automatic control for ripper tool |
| 08/30/1977 | US4044610 Excavators |
| 08/30/1977 | US4044481 Reversible blade bit |
| 08/23/1977 | US4043469 Apparatus for protecting overhead cables |
| 08/23/1977 | US4043416 Skid-steered tractor vehicle combined steering lever and auxiliary control with self-centering mechanism |
| 08/23/1977 | US4043060 Combination strengthened loader bucket and replaceable cutting edge |
| 08/16/1977 | US4042261 Mounting for securing tools to vehicles |
| 08/16/1977 | US4041976 Single lever control arrangement for actuating multiple valves |
| 08/02/1977 | US4039206 Attachment for ground-engaging pads of stabilizers |
| 08/02/1977 | US4038765 Boom support structure for walking dragline excavator |
| 08/02/1977 | US4038763 Orbital trench forming apparatus |
| 07/26/1977 | US4037894 Frame construction for power shovels and the like |
| 07/26/1977 | US4037681 Towable front end loader |
| 07/26/1977 | US4037544 Agricultural machine |
| 07/26/1977 | US4037337 Excavating bucket and teeth for a backhoe |
| 07/19/1977 | US4036379 Securing-unloading apparatus for flatcar carried wheeled vehicles |
| 07/19/1977 | US4036161 Underwater anchoring apparatus |
| 07/19/1977 | US4036113 Pressure piston for a die-casting machine |
| 07/19/1977 | US4036077 Safety device for locking a plurality of operation levers |
| 07/19/1977 | US4035969 Telescopic columns of machines for making foundations, and the telescopic columns thereby derived |
| 07/12/1977 | US4035022 Self-propelled pickup device for picking up materials lying on the bottom of the sea |
| 07/12/1977 | US4034874 Hose supporting linkage |
| 07/12/1977 | US4034622 Infinitely adjustable cable controlled apparatus and method |
| 07/12/1977 | US4034563 Load sensitive hydraulic system |
| 07/05/1977 | US4034335 Automatic safety and alarming apparatus for construction equipments |
| 07/05/1977 | US4033468 Hydraulic boom-lift system with selective speeds |
| 07/05/1977 | US4033128 Controls for a hydraulically driven vehicle |
| 07/05/1977 | US4033127 Hydraulically-powered vehicle accessory system supercharged by hydraulic vehicle drive system |
| 07/05/1977 | US4033056 Spud guide means in a dredging vessel |
| 06/28/1977 | US4031964 Automatic control system controlling a ripper used on a construction equipment |
| 06/21/1977 | US4030623 Hydraulic circuitry for an excavator |
| 06/21/1977 | US4030560 Hydraulic skid steering control system |
| 06/14/1977 | US4029165 Convertible construction machine |
| 06/14/1977 | US4028823 Digging tooth |
| 06/07/1977 | US4027801 Outrigger system for vehicles |
| 06/07/1977 | US4027409 Ground engaging element having a controlled cutting edge |
| 06/07/1977 | US4027408 Digger teeth with interlocking tooth elements |
| 05/31/1977 | US4026428 Stabilizer attachment for material handling implement |
| 05/31/1977 | US4026380 Tilting operator platform safety lock |
| 05/31/1977 | US4026049 Articulating dredge |
| 05/31/1977 | US4026048 Multiple circuit control |
| 05/24/1977 | US4024969 Multiple cable suspension assembly |
| 05/24/1977 | US4024797 Spring centered balanced resolver valve |
| 05/24/1977 | US4024710 Load sensing hydraulic circuit having power matching means |