| Patents for E02F 9 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups (23,883) |
|---|
| 07/14/1981 | US4278140 Undercarriage for adverse terrain vehicle |
| 07/14/1981 | US4277899 Excavating machine with position indication of its work implement |
| 07/14/1981 | US4277898 Hydraulic control system for excavating machine |
| 07/07/1981 | US4277106 Self renewing working tip mining pick |
| 06/30/1981 | US4275902 Crane or excavator with auxiliary mechanism for transferring superstructure loads to the ground |
| 06/30/1981 | US4275800 Vehicle with variable height control station |
| 06/30/1981 | US4275643 Hydraulic control systems |
| 06/23/1981 | US4274760 Self-propelled underwater trenching apparatus and method |
| 06/23/1981 | US4274302 Gear reduction apparatus |
| 06/17/1981 | EP0023901A4 Router bit assembly for an earth working apparatus. |
| 06/16/1981 | US4273503 Pressure-fluid supply system |
| 06/09/1981 | US4272221 Undercarriage for adverse terrain vehicles |
| 06/09/1981 | US4271749 Reduced back pressure, anti-cavitation valve system |
| 06/09/1981 | US4271615 Locking device for excavating equipment |
| 06/09/1981 | US4271614 Floating soil fracture tool |
| 06/09/1981 | CA1102747A1 Backhoe boom transport locking means |
| 05/26/1981 | US4269274 Streamlined wear-resistant deep tillage tool |
| 05/19/1981 | US4268398 Sludge agitating method |
| 05/19/1981 | US4268215 Air shifting device |
| 05/19/1981 | US4267674 Guard structure for fluid conduits of hydraulic cylinders of mobile apparatus |
| 05/19/1981 | US4267653 Locking device for excavating equipment |
| 05/19/1981 | US4267652 Dredging system and apparatus |
| 05/19/1981 | CA1101511A1 Vehicle system monitor |
| 05/14/1981 | WO1981001320A1 Protective sleeve |
| 05/12/1981 | CA1100755A1 Impact tip for impact rock breaker |
| 05/06/1981 | EP0028145A1 Pressure compensated steering system |
| 05/05/1981 | US4265326 Rolling and stepping vehicle |
| 05/05/1981 | US4265273 High pressure implement circuit for loader with slow and fast dump position |
| 05/05/1981 | US4265063 Guard structure for hydraulic conduits of a mobile apparatus |
| 05/05/1981 | US4265037 Device for assembling tools on a wheel, particularly cutting tools on a trenching machine |
| 04/30/1981 | WO1981001124A1 Pressure compensated steering system |
| 04/28/1981 | US4263973 Laser beam level control with automatic override |
| 04/28/1981 | US4263706 Method and apparatus for machining dragline assemblies |
| 04/22/1981 | EP0027397A1 Bearing frame for a mobile engine such as a hydraulic excavator |
| 04/21/1981 | US4262966 Road surface removing machine |
| 04/16/1981 | WO1981001031A1 Method of controlling internal combustion engine and hydraulic pump system |
| 04/15/1981 | EP0026879A2 Scraper apparatus for a concrete production plant |
| 04/14/1981 | US4261118 Extruded locking device for digging tooth |
| 04/14/1981 | CA1099308A1 Articulated cross-country vehicle |
| 04/08/1981 | EP0026466A2 Scraper apparatus for concrete production plants |
| 04/07/1981 | US4260320 Safety device for a front end type loader vehicle |
| 04/02/1981 | WO1981000897A1 Replaceable bearing assembly for construction vehicles |
| 03/31/1981 | US4258486 Scooper-excavator |
| 03/31/1981 | US4258484 Implement position indicator |
| 03/25/1981 | EP0025609A1 Hydraulic system with selective pressure upstaging |
| 03/19/1981 | WO1981000742A1 Controlled pressure upstaging and flow reduction |
| 03/18/1981 | EP0025421A2 A tool mounting and a cutter drum for earth excavating machines |
| 03/17/1981 | US4256433 Hydraulic circuit for earthworking implement |
| 03/17/1981 | US4256432 Construction of circuit for working vehicle operable as backhoe and also as dozer |
| 03/17/1981 | US4256144 Lever control for hydraulic control circuits |
| 03/17/1981 | CA1097511A1 Method and a self-propelling machine for digging trenches under water |
| 03/11/1981 | EP0024558A1 Selectively actuatable fluid control for a work implement |
| 03/05/1981 | WO1981000598A1 Selectively actuatable fluid control system for a work implement |
| 03/03/1981 | US4253639 Distributor device for hydraulic circuits |
| 03/03/1981 | US4253579 Modular boom construction |
| 03/03/1981 | US4253542 Exhaust silencer for earth moving machines |
| 03/03/1981 | US4253536 Articulated, cross-country vehicle |
| 02/24/1981 | US4252271 Heavy equipment heating system |
| 02/24/1981 | US4252204 Walking drag line |
| 02/24/1981 | US4252203 Undercarriage for adverse terrain vehicle |
| 02/24/1981 | US4251933 Lip and teeth in combination with a flat bottom bucket |
| 02/24/1981 | CA1096271A1 Low pressure signal driven flow control system |
| 02/19/1981 | WO1981000382A1 Electric-hydrostatic drive modules for vehicles |
| 02/18/1981 | EP0023901A1 Router bit assembly for an earth working apparatus. |
| 02/17/1981 | CA1095947A1 Vehicle main frame |
| 02/10/1981 | US4249326 Router bit |
| 02/10/1981 | US4249324 Steerable ocean floor dredge vehicle |
| 02/05/1981 | WO1981000273A1 Mounting assembly for hydraulic conduits of a mobile apparatus |
| 01/28/1981 | EP0022822A1 Roller cutter |
| 01/20/1981 | US4245714 Mining vehicle |
| 01/20/1981 | CA1093937A1 Overload protection apparatus for hydraulic multi- function equipment |
| 01/13/1981 | US4244599 Mobile machine comprising a stabilizer |
| 01/13/1981 | US4244447 Mobile power crane-excavator with open gear greasing |
| 01/13/1981 | US4244276 Hydraulic circuit |
| 01/13/1981 | CA1093508A1 Safety latch for tractor loader |
| 01/07/1981 | EP0022105A1 A device for reducing piston velocity in a cylinder |
| 01/07/1981 | EP0021543A1 Gear case for a rotary cutter head of a suction dredger |
| 01/07/1981 | EP0020367A1 Apparatus for shifting center of gravity of a work vehicle |
| 01/06/1981 | US4243120 Retractable boarding ladder |
| 01/06/1981 | US4243106 Device for setting blade of earthmover |
| 01/06/1981 | US4242816 Dredger having a two-part boom |
| 01/06/1981 | CA1093104A1 Dredger |
| 12/30/1980 | US4241811 Brake mechanism for a gondola car loader |
| 12/30/1980 | US4241803 Wheel-support assembly for rolling and stepping vehicles, especially cranes, excavating machinery and the like |
| 12/30/1980 | CA1092551A1 Sea excavation system with clamsbell bricket being horizonatally guided by cables |
| 12/23/1980 | US4240648 Safety guard for work platforms |
| 12/16/1980 | US4239305 Live roller circle for power shovels and the like |
| 12/16/1980 | US4238896 Cutting edge assembly for a loader bucket |
| 12/10/1980 | EP0019949A2 Method of determining the position of a ground working tool of a floating dredger implement and dredger implement |
| 12/09/1980 | US4237629 Apparatus for actuating the operation of a snowplow |
| 12/09/1980 | CA1091278A1 Brake system for an articulated vehicle |
| 12/09/1980 | CA1091267A1 Undercarriage for adverse terrain vehicle |
| 12/09/1980 | CA1091259A1 Extracting ores from the sea bottom |
| 12/02/1980 | US4236864 Safety control system for the boom of a crane |
| 12/02/1980 | US4236863 Center pin assembly for power shovels |
| 12/02/1980 | US4236643 Vehicle stabilizer assembly |
| 11/26/1980 | EP0019319A2 Method of determining the position of a tool of a dredger implement and dredger implement |
| 11/26/1980 | EP0019318A2 Floating dredger and method of steering the same |
| 11/26/1980 | EP0019317A2 Method of dredging and dredger implement |
| 11/18/1980 | US4234012 Hose support bracket for backhoe swing frame |