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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7063497 | Drive over conveyor pit assembly A drive over conveyor pit assembly includes a mainframe including a grain pit located between and adjacent a plurality of drive over sections. Attached to the mainframe are a plurality of entrance ramps and a pair of exit ramps. Each ramp is pivotably attached to an... | 06/20/2006 |
| 6860695 | Trailer tipper A trailer tipper is disclosed having a sub-frame, a deck pivotally secured to a rear portion of the sub-frame, and means for raising the deck relative to the sub-frame. A wheel assembly frame is pivotally secured to a rear portion of the sub-frame, and wheels are co... | 03/01/2005 |
| 6579054 | Shape-modifiable transition chute for trailer tipper A trailer tipper is disclosed for dumping material from the rear of a trailer which includes a main frame, a tipping deck mounted at one end of the main frame for supporting the trailer during pivotal movement of the tipping deck from a lowered position t... | 06/17/2003 |
| 6402451 | Drive across low-profile portable hydraulic trailer dumper A drive across low-profile portable hydraulic trailer dumper for dumping the contents from a trailer containing a dumpable material, includes a towable elongated frame. A base frame with a deck pivotally attached hereto, which closes down and interlocks w... | 06/11/2002 |
| 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 |
| 5458451 | Trailer dumper A portable low-profile tipper for dumping the contents from a trailer containing a dumpable material, includes a towable elongated and angled frame having a portion resting on the ground during dumping for greater stability. A deck is pivotally attached a... | 10/17/1995 |
| 5360308 | Vehicle dumping apparatus with pulsating platform and movable hinge A truck platform is elevated at one end and then moved rearwardly by pulsation cylinders which slowly accelerate and then rapidly decelerate the platform and truck. The abrupt deceleration causes the material in the truck to continue to move rearwardly se... | 11/01/1994 |
| 5344271 | Trailer dumper A portable low-profile tipper for dumping the contents from a trailer containing a dumpable material, includes a towable elongated and angled frame having a portion resting on the ground during dumping for greater stability. A deck is pivotally attached a... | 09/06/1994 |
| 5297911 | Method and apparatus for handling waste The present invention pertains to an apparatus for lifting a container. The lifting apparatus has an elongate member having a first end and a second end and device for lockingly engaging the elongate member to the container, such as a fifth wheel plate at... | 03/29/1994 |
| 5080548 | Trailer dumper A portable low-profile tipper for dumping the contents from a trailer containing a dumpable material, includes a towable elongated frame having a back end with a deck pivotally attached thereto. The deck has a backstop for positioning the trailer during d... | 01/14/1992 |
| 4199290 | Material handling apparatus The apparatus includes a roller conveyor, a platform at one end of the conveyor, and a wheeled vehicle. The platform facilitates positioning the wheeled vehicle so that the bed thereon is aligned with a load support surface defined by rollers on the conve... | 04/22/1980 |
