| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
|---|
| 01/17/1978 | US4068771 Carrier bucket and apparatus for removably attaching the same to a loader bucket |
| 01/17/1978 | US4068726 Ground-moving equipment |
| 01/17/1978 | US4068725 Lubricating system for plow blades |
| 01/17/1978 | US4068721 Bulldozer assembly with locking pin and method |
| 01/10/1978 | US4067467 Quick coupler device |
| 01/10/1978 | US4067395 Land leveler with relative height control |
| 01/03/1978 | US4066134 Hydraulic post hole auger apparatus |
| 01/03/1978 | US4066004 Oscillatory electro-hydraulic system |
| 12/27/1977 | US4065011 Portable water scoop |
| 12/27/1977 | US4065010 Swing valve circuit |
| 12/27/1977 | US4065009 Material handling apparatus |
| 12/27/1977 | US4064947 Draw bar for a motor grader |
| 12/20/1977 | US4063832 Parallel linkage with pivoted translating link |
| 12/20/1977 | US4063523 Soil stabilizing apparatus |
| 12/20/1977 | US4063375 Conveyor folding and moldboard operation for excavating and loading systems |
| 12/20/1977 | US4063374 Grave opening and closing machine |
| 12/20/1977 | US4063373 Mechanism to restrain slamming of shovel dipper doors |
| 12/20/1977 | US4063361 Power train for two-wheel tractor |
| 12/13/1977 | US4062136 Scraper vehicle |
| 12/06/1977 | US4061194 Tractor mounted scraper blade |
| 11/29/1977 | US4060289 Bearing assembly for an auger scraper |
| 11/29/1977 | US4060261 Loader main frame for skid steer loader |
| 11/29/1977 | US4060136 Motor grader blade mounting and tilt mechanism |
| 11/29/1977 | US4059886 Hydraulic actuated grab bucket |
| 11/22/1977 | US4059196 System for controlling a power shovel |
| 11/22/1977 | US4058915 Backhoe-mounted shear |
| 11/22/1977 | US4058914 Alternate flow suction dredge |
| 11/15/1977 | US4058174 Motor grader with blade support and bearing assembly |
| 11/15/1977 | US4058173 Blade assembly with replaceable cutting edge |
| 11/15/1977 | US4057917 Method of padding pipe |
| 11/08/1977 | US4057139 Reversible arrangement for transporting bulk materials |
| 11/01/1977 | US4056250 Coupling device for mounting a material handling machine on a civil engineering vehicle |
| 11/01/1977 | US4056205 Loader attachment |
| 10/25/1977 | US4055262 Loader main frame for skid steer loader |
| 10/25/1977 | US4055222 Earth moving implement with adjustable wheel assembly |
| 10/25/1977 | US4055007 Earth handling apparatus |
| 10/25/1977 | US4055006 Deep-sea ore collecting and hoisting apparatus |
| 10/18/1977 | US4054216 Apparatus for controlling bucket in tractor mounted loader |
| 10/18/1977 | US4053999 Automatic grab crane |
| 10/18/1977 | US4053997 Scraper elevator with lower drive sprockets |
| 10/11/1977 | US4053181 Seabed mining utilizing circulating current based on water level differences |
| 10/11/1977 | US4053075 High lift mounting means for loader buckets |
| 10/11/1977 | US4053021 Side-by-side tractor combination |
| 10/11/1977 | US4053018 Automatic control system for earth-moving equipment |
| 10/11/1977 | US4053017 Cross slope contact system for surface finishing machines |
| 10/11/1977 | US4053016 Motor grader blade lift and control mechanism and method |
| 10/11/1977 | US4052804 Non-articulated scraper arrangement |
| 10/11/1977 | US4052801 Dredging system and methods of dredging |
| 10/04/1977 | US4051962 Loader device for a tractor |
| 10/04/1977 | US4051860 Valve control mechanism |
| 10/04/1977 | US4051614 High capacity loader blade |
| 09/27/1977 | US4050170 Dredge cutter head |
| 09/20/1977 | US4049139 Backhoe with multi-movement capabilities |
| 09/20/1977 | US4049060 Sod cutter |
| 09/20/1977 | US4048927 Plant for burning waste |
| 09/13/1977 | US4047626 Clamshell bucket for wheel loader |
| 09/13/1977 | US4047580 High-velocity jet digging method |
| 09/13/1977 | US4047574 Implement for levelling levees |
| 09/13/1977 | US4047486 Excavator blade for replacing railroad sleepers |
| 09/13/1977 | US4047313 Convertible grab bucket |
| 09/13/1977 | US4047311 Automatic grab bucket with pressure responsive solenoid control |
| 09/06/1977 | US4046346 Slide mechanism having means for fixing movable frames |
| 09/06/1977 | US4046270 Power shovel and crowd system therefor |
| 09/06/1977 | US4046026 Linkage and motion system, especially for accomplishing a swinging movement in equipment such as buckets for power shovels and the like |
| 09/06/1977 | US4045893 Automated planer |
| 08/30/1977 | US4044903 Specific linkage arrangement for bucket control |
| 08/30/1977 | US4044843 Tractor-mounted scraper |
| 08/30/1977 | US4044610 Excavators |
| 08/30/1977 | US4044480 Elevating scraper with perforate separator |
| 08/23/1977 | US4043600 Adjustable bucket for an earth boring machine |
| 08/23/1977 | US4043580 Cable-controlled grab device |
| 08/23/1977 | US4043470 Hitch for coupling alignment of tractor and backhoe |
| 08/23/1977 | US4043469 Apparatus for protecting overhead cables |
| 08/23/1977 | US4043402 Soil stabilizer machine with detachable hydraulic motor structure driving rotatably mounted cutting elements |
| 08/23/1977 | US4043253 Boom cylinder stop for the lift cylinders of a skid steer vehicle |
| 08/23/1977 | US4043061 Ground-shaping systems for a backhoe bucket |
| 08/23/1977 | US4043060 Combination strengthened loader bucket and replaceable cutting edge |
| 08/16/1977 | US4042272 Hydraulic grab |
| 08/16/1977 | US4042141 Bucket attachment for garden tractors |
| 08/16/1977 | US4042131 Swingable bucket for excavators |
| 08/16/1977 | US4041799 Power actuated lazy-tongs arrangement |
| 08/16/1977 | US4041625 Guide rail assembly for the ejector of a scraper and method |
| 08/16/1977 | US4041624 Integral rippers for hydraulic excavator bucket |
| 08/16/1977 | US4041623 Grade cutting machine |
| 08/09/1977 | US4041245 Switching arrangement for telecommunication switching systems |
| 08/09/1977 | US4040667 Apparatus for recovering particulate material from the sea bottom |
| 08/02/1977 | US4039095 Swing mechanism for backhoe |
| 08/02/1977 | US4038766 Excavator bucket ripper tool |
| 08/02/1977 | US4038765 Boom support structure for walking dragline excavator |
| 07/26/1977 | US4037874 Apparatus for underwater retrieval, selection and concentration of material for ocean mining |
| 07/26/1977 | US4037743 Material handling bucket dual cylinder system |
| 07/26/1977 | US4037670 Motor grader with blade clamping mechanism |
| 07/26/1977 | US4037544 Agricultural machine |
| 07/26/1977 | US4037337 Excavating bucket and teeth for a backhoe |
| 07/26/1977 | US4037336 Scraper device having receptacle walls heated by engine exhaust |
| 07/26/1977 | US4037335 Method of controlling a mobile suction device for sucking suspendible material from the bottom of a liquid body, and an apparatus for carrying out the method |
| 07/26/1977 | US4037334 Drive means for an elevating scraper elevator |
| 07/19/1977 | US4036161 Underwater anchoring apparatus |
| 07/19/1977 | US4035936 Excavator attachment for boom structure |
| 07/12/1977 | US4034998 Apparatus for mounting and dismounting attachments |