| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
|---|
| 01/18/1977 | US4003484 Swing mechanism for implement boom |
| 01/18/1977 | US4003148 Wheel excavator with pivotally mounted side cutting teeth |
| 01/11/1977 | US4001956 Tractor scraper transportation and assembly therefor |
| 01/04/1977 | US4000616 Multi-engine multi-pump hydraulic summating system |
| 01/04/1977 | US4000568 Bucket dredger |
| 12/28/1976 | US3999670 Excavator having a swivel joint between the main arm and the jib |
| 12/28/1976 | US3999615 Motor grader with circle mounting blade and wedge control system |
| 12/28/1976 | US3999315 Adjustable attachment for a backhoe |
| 12/28/1976 | US3999314 Small sub-grader |
| 12/28/1976 | US3999313 Towed sled for deep-sea particle harvest |
| 12/21/1976 | US3998342 Counterweight attachment means for loaders and the like |
| 12/21/1976 | US3998341 Public works machine equipped with a bucket unloading device |
| 12/21/1976 | US3998277 Bulldozer assembly with means for pivotally connecting the push arms thereof |
| 12/21/1976 | US3997990 Angularly disposed single wheel excavator |
| 12/21/1976 | US3997987 Backhoe |
| 12/21/1976 | US3997986 Guard for hydraulic cylinder rods |
| 12/14/1976 | US3997275 Force transmitting connection |
| 12/14/1976 | US3997071 Method and apparatus for indicating effective digging depth of a backhoe |
| 12/14/1976 | US3997068 Assembly for attachment to excavators |
| 12/14/1976 | US3997007 Implement positioning hydraulic control system |
| 12/07/1976 | US3995761 Anti-lowering device for a boom loader |
| 12/07/1976 | US3995439 Device for embedding objects such as continuous pipes into water bottoms |
| 12/07/1976 | US3995384 Edge bit structure for implement blade |
| 12/07/1976 | US3995383 Scraper bowl with movable floor section |
| 11/30/1976 | US3994349 Apparatus for reclaiming strip-mined land |
| 11/30/1976 | US3994083 Trencher construction |
| 11/30/1976 | US3994082 Air operated dredging apparatus |
| 11/23/1976 | US3993340 Chopping spades |
| 11/23/1976 | US3993206 Power slide mechanism |
| 11/23/1976 | US3993158 Device for limiting in a contact-free manner the movement of hydraulically operable mechanical parts |
| 11/23/1976 | US3992791 Slope grader with longitudinally movable guide frame |
| 11/16/1976 | US3991891 Counterweight installation means for loaders and the like |
| 11/16/1976 | US3991890 Tractor mounted implement device |
| 11/16/1976 | US3991886 Shaft mucker |
| 11/16/1976 | US3991832 Hydraulically tiltable and anglable dozer blade and mounting therefor |
| 11/16/1976 | US3991494 Conveyor attachment for spoils removal from a trench digging machine |
| 11/16/1976 | US3991493 Floor structure for earthmoving scraper |
| 11/09/1976 | US3990595 Mounting arrangement for impact rock breaker |
| 11/09/1976 | US3990529 Ditcher |
| 11/09/1976 | US3990379 Dredging apparatus |
| 11/09/1976 | US3990161 Crowd system for power shovels |
| 11/09/1976 | US3990160 Belt drive for scraper elevator device |
| 11/02/1976 | US3989404 Dirt compacting and asphalt compacting roller unit |
| 11/02/1976 | US3989319 Shaft-supporting bearing |
| 11/02/1976 | US3989150 Pipe carrying attachment for construction equipment |
| 11/02/1976 | US3989149 Excavating device |
| 11/02/1976 | US3989112 Motor grader drawbar assembly with fluid-operated cylinders for restraining circle gear |
| 11/02/1976 | US3988843 Mining transition chamber |
| 10/26/1976 | US3988004 Drive jaws for a pipe and rod pusher device |
| 10/26/1976 | US3988003 Pipe guide means for a rod and pipe pusher |
| 10/26/1976 | US3987953 Weldment for bulldozer blades and method and apparatus therefor |
| 10/26/1976 | US3987920 Self-leveling system for material handling implement |
| 10/26/1976 | US3987914 Two-piece backhoe boom |
| 10/26/1976 | US3987564 Outside supports for excavating wheels |
| 10/26/1976 | US3987561 Auger mounting for auger scraper |
| 10/26/1976 | US3987560 Device for assembling a bucket on a frame |
| 10/19/1976 | US3986784 Weldment |
| 10/19/1976 | US3986563 Suspension and control linkage for a grade blade support frame |
| 10/12/1976 | US3985250 Vehicles for taking on, transporting, and discharging a load |
| 10/12/1976 | US3985249 Quick change attachment |
| 10/12/1976 | US3985247 Mid-carry loader |
| 10/12/1976 | US3984928 Corner reinforcement for various sized loader buckets |
| 10/12/1976 | US3984927 Automatic control of elevator height in scraper with manual setting and selection of alternate modes |
| 10/05/1976 | US3984141 Loader frame structure |
| 10/05/1976 | US3984016 Attachment mounting for end loader |
| 10/05/1976 | US3984015 Crushed rock loading machine |
| 10/05/1976 | US3983945 Clamping mechanism for motor grader moldboards |
| 10/05/1976 | US3983762 Sprocket wheel for scraper elevator device |
| 10/05/1976 | US3983707 Method and apparatus for moving an object on the bottom of a body of water |
| 09/28/1976 | USRE28979 Control system for road grader |
| 09/28/1976 | US3982648 Lift arm safety bar |
| 09/28/1976 | US3982643 Power loader |
| 09/28/1976 | US3982341 Transverse oscillation for excavating and loading system |
| 09/28/1976 | US3982340 Two wheel excavating and loading system |
| 09/28/1976 | US3982338 Material handling apparatus |
| 09/21/1976 | US3981465 Supinating seat and control display for aircraft cockpits |
| 09/21/1976 | US3981374 Hydraulic drive assist for scrapers |
| 09/21/1976 | US3981150 Dual hydraulic motor drive system |
| 09/21/1976 | US3981089 Padding machines |
| 09/14/1976 | US3980341 Breaking up of concrete surface layers or the like |
| 09/14/1976 | US3980321 Hitch pin assembly for a tractor-scraper vehicle and the like |
| 09/14/1976 | US3980000 Control system for a hydraulic clamping device |
| 09/14/1976 | US3979843 Trenching chain with scoop members |
| 09/07/1976 | US3978679 Method and apparatus for underwater trench excavation and pipeline laying |
| 09/07/1976 | US3978597 Draft sensing elevating scraper with automatic elevator speed control |
| 08/31/1976 | USRE28945 Method and apparatus for excavating settled body of solids |
| 08/31/1976 | US3977699 Shock-absorbing push-pull coupling for tandem scrapers |
| 08/31/1976 | US3977548 Cylinder attachment means for an excavator and method for using the same |
| 08/31/1976 | US3977547 Material handling apparatus |
| 08/31/1976 | US3977301 Low-effort proportional control valve |
| 08/31/1976 | US3977166 Side delivery rake |
| 08/31/1976 | US3977148 Jib having two adjustable elements |
| 08/31/1976 | US3977102 Load ejection improvement for auger scrapers |
| 08/31/1976 | US3977101 Auger control system for a scraper |
| 08/31/1976 | US3977100 Hydraulic control system for elevating scraper |
| 08/24/1976 | US3976564 Combination digger and sifter for use with metal detector |
| 08/24/1976 | US3976211 Motion limit system for power shovels |
| 08/24/1976 | US3976146 Grader |
| 08/24/1976 | US3975844 Digger tooth means for front loader buckets |
| 08/24/1976 | US3975843 Portable power digging tool |