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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 |
| 6079926 | Self-propelled hay bale retriever and stacker The invention is a self-propelled hay bale retriever and stacker ("retriever/stacker") for loading, transporting, and unloading bales of hay. The retriever/stacker has a tiltable bed for receiving the bales, and has movable side railings mounted to the be... | 06/27/2000 |
| 6074153 | Drill rods feeding device A drill rod feeding device which stores drilling rods and sorts them before placing them into hands with a hydraulic lock. These hands, when loaded and locked, pivot and position the rods into the axis of a drilling head, maintaining them in position to s... | 06/13/2000 |
| 6024534 | Method to convert a small bale agricultural stack wagon to a big bale agricultural stack wagon Apparatus for modifying conventional automatic three table bale wagons handling small bales to load, transport, and stack big bales with dimensions in excess of 3 feet×4 feet×8 feet. With the apparatus a modified bale wagon picks up and handles big bale... | 02/15/2000 |
| 6022018 | Arrangement for positioning flat articles An arrangement for positioning flat articles, transported inside a container with straight sides. For a gentle positioning of flat articles of varied thickness and mass, which are transported at high speed into the container having a pivot bearing is prov... | 02/08/2000 |
| 6019563 | Automated guided vehicle An automated guided vehicle includes a transporting portion having an upper surface and a driving device, the transporting portion being movable by the driving device; a transferring device provided on the upper surface of the transporting portion, the tr... | 02/01/2000 |
| 6010300 | Stacker A stack (7) piled from a feed conveyor (3) can be transferred with stack definitions (15, 16) which can be lowered and optionally shifted in opposite directions to the left or right onto an exit conveyor (4 or 5), whilst the stack plies (6) continuing to ... | 01/04/2000 |
| 6010294 | Tractor hydraulic grabbing tool The present invention comprises a tractor tool that attaches to and detaches from a tractor frame easily. In one embodiment, as few as four bolts and two actuator control couplings are used to mount the inventive tool to a tractor. The inventive tractor a... | 01/04/2000 |
| 6007295 | Stick placement apparatus A stick placement apparatus for a stacking machine that transfers sticks from a stick conveyor to a stacking mechanism. Transfer units are mounted to a movable carriage that is mounted strategic to the stick conveyor. The transfer unit has telescoping tub... | 12/28/1999 |
| 6000898 | Wall lift and method of lifting a wall The present invention is a wall lift which includes a base, lifting arm, wall attachment bracket and at least one safety strap as the main components. Each main component includes its own individual components which aid in the operation of the wall lift. ... | 12/14/1999 |
| 5996989 | Sheet separator friction pad A sheet feeding apparatus having an edge aligned system always maintains a nip between an intermittently driven pick roll and a friction or separator pad. When a top sheet of a stack is being advanced by the pick roll, a first spring exerts a first force ... | 12/07/1999 |
| 5997240 | Device for handling stacks of blanks Stacks of blanks (10) comprising a largish number of pre-fabricated blanks made of (thin) cardboard are usually made available on pallets (12). The stacks of blanks (10), provided if necessary with a band label (11), are aligned on the pallet (12) in rows... | 12/07/1999 |
| 5997239 | Sheet handling apparatus A sheet handling apparatus receives on a handling tray a plurality of sheets discharged from an image recording apparatus such as a printer, a copier or the like in a first direction, thereby forming a sheet stack of a series of sheets on the handling tra... | 12/07/1999 |
| 5997237 | Clam shell bucket and method of operating A clam shell bucket is provided. The clam shell bucket includes a first frame rotatably connected to a second frame along a pivot point to provide rotation of the first and second frames between a pincer configuration and a scooping configuration. The fir... | 12/07/1999 |
| 5993147 | Process for palletizing stacks of flat objects To palletize stacks of flat objects, preferably stacks of sacks or bags, the stacks are deposited in several layers one on top of the other on a pallet in such a manner that the stacks of each layer overlap at least two stacks of the layer lying underneat... | 11/30/1999 |
| 5993146 | Apparatus for facilitating unloading and loading of articles on pallets A tub-like member is recessed below floor surface level in a pit and carries therein an extendable and retractable lifting mechanism. The tub includes a horizontal outwardly extending flange essentially at floor surface level, and overlying the floor surf... | 11/30/1999 |
| 5993140 | Apparatus for loading pipes onto processing machines An apparatus for loading pipes onto processing machines, in particular pipe-bending machines, is provided which comprises a handler arm (8) consisting of a first segment (9) and a second segment (10) disposed in succession, and kinematic members (12) adap... | 11/30/1999 |
| 5984613 | Cargo lift and transport device for motor vehicle Provided is a cargo lift and transport device which affixes to a frame mounted motor vehicle-to-trailer hitch interface having two mounting positions. The cargo lift and transport device provides a connector that receives and locks into a female-to-female... | 11/16/1999 |
| 5984605 | Panel lifting apparatus The invention comprises a panel lift apparatus for detachably mounting to a conventional drywall lifter for raising a drywall panel, from immediately adjacent the ground, to the lifting arms of the lifter for transfer of the panel to the lifting arms of t... | 11/16/1999 |
| 5984619 | End effector for unloading disks at a grinding station An end effector for loading and unloading a magnetic information storage circular disk on a grinder carrier surface includes an effector block, an annular vacuum cup, including vacuum apertures, attached to and extending from the block and a vacuum source... | 11/16/1999 |
| 5984621 | Pallet stacking machine A machine for stacking articles such as wooden pallets comprises a frame for supporting a carriage assembly that can be raised and lowered under control of a motor and where the carriage assembly supports an article grasping machine that is slidably mount... | 11/16/1999 |
| 5984620 | Pick and place palletizing device A pick and place device includes a lift head and a build platform. Both the lift head and the build platform include flexible aprons. An item layer is constructed on the build platform and the lift head is moved into position over the build platform. By s... | 11/16/1999 |
| 5980194 | Wafer position error detection and correction system A wafer position error detection and correction system determines the presence of a wafer on a wafer transport robot blade. The system also determines a wafer position error by monitoring the position of the wafer with respect to the blade with one sensor... | 11/09/1999 |
| 5979633 | Conveyor having high speed discharge capabilities An automated conveyor sortation and item discharge system for conveying and discharging packages at high speeds. A conveyor assembly includes an elongate crowned conveyor belt which conveys parcels in a longitudinal direction defined across slider beds an... | 11/09/1999 |
| 5979889 | Apparatus for generating a vacuum Apparatus (10) for engaging at least a portion (20b) of a signature (20a) in a hopper (14) and moving the portion relative to a stack of signatures (20) in the hopper includes a stem member (110) and a suction cup (150) mounted on the stem member. The ste... | 11/09/1999 |
| 5980196 | Counter-ejector and box feed machine A counter-ejector and feeder for receiving flexible boxes delivered at a prescribed infeed rate in end-to-end relation along a plane, and a counter-ejector machine, for stacking the boxes in discrete bundles for discharge. The machine includes a general f... | 11/09/1999 |
| 5979890 | Sheet transfer system A sheet is conveyed by a conveyor belt which attracts the back side of the sheet under vacuum along a conveyance passage including a bent portion. An air blower is provided to blow an air flow against the upper surface of the conveyor belt at the bent por... | 11/09/1999 |
| 5975834 | Two-armed transfer robot A two-armed transfer robot includes first and second arm mechanisms each having a handling member for carrying a workpiece. First to third shafts associated with the arm mechanisms are coaxially supported by a stationary base frame for rotation about a first a... | 11/02/1999 |
| 5975824 | Bale lifting and load dumping apparatus An apparatus for bale lifting and load dumping, including a support frame; a truck bed overlying the support frame, the rearward end of the truck bed being pivotally attached to the rearward end of the support frame; a lift arm articulating beam, the lift... | 11/02/1999 |
| 5971695 | Turner with adjustable feed means A turning device for turning paper material has a reception tray used for receiving therein the material to be turned and arranged such that it is adapted to be rotated about an axis of rotation. The material is arranged in said reception tray in such a w... | 10/26/1999 |
| 5971700 | Fixed path pick and place device A top-picking palletizer and de-palletizer moves pallet layers along a fixed path by use of a single-dimension actuation system and top-picking lift head. The illustrated system includes an actuation assembly operated by a single reversible motor moving d... | 10/26/1999 |
| 5971699 | Case loading system This invention pertains to load forming systems, especially those designed to place cased product on e.g. a pallet. The invention contemplates receiving cases at a high rate of input, and fragmenting the input, sending it to parallel processing elements o... | 10/26/1999 |
| 5967265 | Self-leveling inclined lift device An inclined lift device for transporting an individual passenger includes a rail, a carriage adapted for being movable along the rail, a drive mechanism coupled to the carriage for moving the carriage along the rail, and a support secured to the carriage ... | 10/19/1999 |
| 5967739 | Baggage handling device A baggage handling device (1) comprising, in combination, a vacuum gripping foot (2) and a non-vacuum, mechanical engagement device (3) such as a simple hook or a power operated claw (4), with an operator activated control device to select either the vacu... | 10/19/1999 |
| 5967506 | Sheet conveying method and apparatus A printer constituted to drive a pair of feed rollers FR3 and a pair of resist rollers RR so that the leading end of paper P may one stop at a position of a paper sensor S1 at the upstream side when reaching the resist rollers RR and then the entire paper... | 10/19/1999 |
| 5967741 | Method and apparatus for palletizing parcels with upper accompanying device Method and apparatus for arranging book, magazine, segnature parcels (A, B, . . . ) and the like in rows with a predefined separation of the parcels from one another for transferring them onto a pallet, said rows being formed by causing the parcels (A, B,... | 10/19/1999 |
| 5964571 | Stacking system and method of stacking a plurality of articles A stacking system for vertically stacking a plurality of articles comprising: a transport table, a stacking area, an arm member, a vertical moving member, and a coordinating device. The transport table includes a first end and a second end, and a member f... | 10/12/1999 |
| 5964567 | Skid steer loader vehicle A skid steer loader vehicle comprising a body having a front end and a rear end and provided with first and second ground engageable propulsion wheels respectively disposed on opposite sides of the vehicle and in which the first and second propulsion whee... | 10/12/1999 |
| 5961275 | Palletizer and palletizing methods Palletizers and methods of palletizing are disclosed. The palletizers are adapted to receive and arrange units of material and to concurrently fabricate first and second layers therefrom; or to place them in layers at either of first and second delivery s... | 10/05/1999 |
| 5951007 | Device for conveying a shingled or imbricated stream of sheets A device for conveying a stream, in particular an imbricated or shingled stream, of sheets to a sheet processing machine, having a conveyor table formed with suction holes, and at least one endless transport belt formed with suction holes extending theret... | 09/14/1999 |
| 5951238 | Auto pallet stacking/loading device The invention is a method and apparatus for forming a plurality of stackable items into a vertically stacked load and thereafter delivering an aligned stack of items positioned on a pallet for eventual transportation while minimizing the misalignment of t... | 09/14/1999 |
