Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7415783 | Boom support strand oscillation dampening mechanism An apparatus including a main housing including a generally horizontal platform, a boom extending from the platform, a bucket suspended from the boom, and a mast extending from the platform. The apparatus further includes a boom support strand extending between and ... | 08/26/2008 |
| 7152349 | Dragline bucket rigging and control apparatus A large electric dragline having a housing (35) and boom (37) is provided with spaced apart in-line sheaves (34) and (36) at boom point to separate hoist ropes (31) and (32) which are led to the front and rear of bucket (... | 12/26/2006 |
| 7024805 | Dragline excavating machine with direct drive hoist and drag drums A dragline excavating machine includes a gearless direct drive AC drive motor for driving each of the hoist and the drag drums in the system. The gearless AC motor is driven using a digital system which receives AC power from the utility system rectifies the power u... | 04/11/2006 |
| 6588126 | Drag link bucket controls A dragline excavation bucket control system including a pair of hoist ropes and a drag rope, the hoist ropes being coupled adjacent opposite ends of the bucket. The hoist ropes are supported on spaced sheaves on an excavation boom whereby the hoist ropes ... | 07/08/2003 |
| 6185847 | Continuous shovel The present invention discloses a method and apparatus for excavating material from a mining or reclamation operation, and is generally considered useful in open cast mining operations. The apparatus has a first conveyor and a second conveyor attached to ... | 02/13/2001 |
| 6038795 | Dredger with lockable rear door A dredge having substantially a box-like shape, with an open front face and an open rear face, the rear face having a door hinged thereto and a lock member to hold the door in a locked position. An A-shaped frame member is pivotally secured to the front e... | 03/21/2000 |
| 6023862 | Control system for rope bucket A control system for a rope bucket, the rope bucket being designed for the hoisting and transfer of materials and adapted to be suspended from a hoist trolley transferable along an essentially horizontal travel path. The control system includes a hoist me... | 02/15/2000 |
| 5992061 | Dragline bucket dump compensator A hoisting assembly for use with a dragline bucket that includes a compensator for generally stabilizing the attitude of the bucket. The compensator is operably coupled to the lift, hoist and dump lines. The connector for the lift line(s) defines a fulcru... | 11/30/1999 |
| 5970636 | Dump block An integral dump block for use in a dragline bucket that comprises a sheave to movably support a dump line, a central pin rotatably supporting the sheave, and a housing to couple the pin to lift lines. Bearings are disposed within the sheave and each side... | 10/26/1999 |
| 5400530 | Dragline excavator bucket and rigging A dragline excavating bucket is constructed to be supported through a minimum number of support chains and control cables, and made to provide for rapid digging and distribution of overburden removed by dumping the bucket rearwardly over a rear wall of th... | 03/28/1995 |
| 5107997 | Cable machine control Cable machine control, particularly a grapple yarder is provided with an integrated control system whereby the operator is provided with controls each of which controls a desired operation or movement of the grapple. In particular the controls include a h... | 04/28/1992 |
