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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7607532 | Workpiece support device The invention relates to a workpiece support device (10) for a continuously operating machine (1) for machining panel-shaped workpieces that are preferably made, at least in part, of wood, wood materials, or the like, the workpiece support device compr... | 10/27/2009 |
| 7398872 | Device for aligning plate-like workpieces in a machine processing them A device for aligning plate-like workpieces traveling in a machine direction in a machine processing them, more particularly in a folder-gluer, comprising an upper aligner and a lower aligner. The lower aligner is equipped, on the one hand with a guiding member moun... | 07/15/2008 |
| 7334676 | Compensating roller system A compensating roller system is adapted to adjust to size variation of product moving through a conveyor system. In one example, the compensating roller system is used to control a force resulting in deflection of a conveyor belt. In a specific implementation of suc... | 02/26/2008 |
| 7331444 | Conveyor transfer system A transfer system that laterally grips an open container at a position along a first belt upstream of a conveyor transfer and then transfers the container across the interface between belts before depositing the container on a second belt downstream of the conveyor ... | 02/19/2008 |
| 7281622 | Conveyor system for high speed, high performance bagger A conveyor assembly is configured to convey and maintain compression of multiple compressible batts. Adjacent pairs of conveyor systems within the conveyor assembly define a space between the pair of conveyor systems for receiving and conveying compressible batts. E... | 10/16/2007 |
| 7222724 | Apparatus for transporting flat work pieces An apparatus for transporting flat work pieces has a first conveyor and a second conveyor. An inlet mouth is formed from the first conveyor and the second conveyor. The apparatus is distinguished by a geometry of the inlet mouth which can be optimized with regard to... | 05/29/2007 |
| 7156222 | Magazine apparatus for retaining flexible bags A powered magazine apparatus for retaining and transporting flexible bags comprises a base conveyor, and a pair of first and second digitated conveyor belts positioned on respective opposite sides of the base conveyor. Each of the digitated conveyor belts comprises ... | 01/02/2007 |
| 7104391 | Vertical conveyor A conveyor system having an inlet, an outlet, and a first endless conveying element having a contact surface and configured to transport at least one object along a transportation path from proximate the inlet to proximate the outlet. Securing means are also provide... | 09/12/2006 |
| 6955256 | Conveyor A conveyor assembly 18 that detects bags that leak. The assembly 18 includes a first conveyor 24 that operates in unison with a second conveyor 29. The conveyors 24 and 29 confine the bags in chambers, with the bags being en... | 10/18/2005 |
| 6776279 | Unit for automatic container returns systems The invention described here concerns a unit for automatic container returns systems, with a conveyor device for transporting the containers in the direction of their longitudinal axis, with two rotary-driven rollers arranged along the conveyor path and which can be... | 08/17/2004 |
| 6719123 | Method for advancing signatures using a retracting drive An apparatus and method for advancing and/or slowing signatures in a printing press. The apparatus and method includes a series of two or more belt drives, where each belt drive includes at least a pair of opposed belts. The belts are preferably timing or toothed be... | 04/13/2004 |
| 6712197 | Board processing unit A process board is moved, positioned and processed by first and second upper conveyers and first and second lower conveyers, and a tool of a head is moved between the first upper and lower conveyers and the second upper and lower conveyers such that the first and se... | 03/30/2004 |
| 6695125 | Control apparatus for conveyor of particulate material A device for controlling the conveyance of particulate material on a conveyor belt comprises a frame with an endless belt attached thereto. The apparatus is positioned above the conveyor belt and in frictional contact therewith whereby the motion of the c... | 02/24/2004 |
| 6494310 | Method and device for feeding flat items to individualization Flat items (2) which have an irregular and/or changeable thickness profile are individualized from a substantially lying stack (3/5), wherein the stack serves as buffer between the individualization and the supply of the items (2) and wherein the items (2... | 12/17/2002 |
| 6454102 | Belt press with adjustable inlet guide A belt press having a frame with a first belt and a second belt rotatably mounted on the frame. A curved inlet guide is movably carried on the frame. The inlet guide has a decreasing radius of curvature from an inlet end to an exit end. A positioning asse... | 09/24/2002 |
| 6352252 | Conveyor device for bookbinding machines A conveyer device for bookbinding machines having a number of processing stations and having plate or cleated chains or the like which take over book blocks and convey them intermittently to the processing stations. The plate or cleated chains are driven ... | 03/05/2002 |
| 6257567 | Conveying device for book binding machines A conveying device for book binding machines having continous plate or cleated chains or similar conveying machanism. The conveying device includes oppositely disposed logitudinal guides which support the plate or pleated chains for clamping inner books o... | 07/10/2001 |
| 6248245 | Belt press with adjustable inlet guide A belt press having a frame with a first belt and a second belt rotatably mounted on the frame. A curved inlet guide is movably carried on the frame. The inlet guide has a decreasing radius of curvature from an inlet end to an exit end. A positioning asse... | 06/19/2001 |
| 5966901 | Package delivery device in filling and sealing machines A package delivery device of a filling and closing machine has a conveyor belt (31) and above it, spaced apart by the package height, has a top belt (41). To adjust the clearance of the top belt (41) from the conveyor belt (31) to the format height and to... | 10/19/1999 |
| 5904238 | Duel belt conveyor system A dual belt conveyor having a pair of long plates provided with a plurality of edge rollers brought into contact with both lateral belt edges. The long plates are arranged against both lateral belt edges of two superimposed conveyor belts, along the direc... | 05/18/1999 |
| 5901832 | Apparatus for conveying bags An apparatus for conveying bags along a path which includes a plurality of work stations. The conveyor apparatus includes a plurality of conveyor assemblies. Each of the conveyor assemblies includes opposed belt assemblies, one of which is laterally displ... | 05/11/1999 |
| 5435433 | Dual belt conveyor with product isolation Primary and secondary conveyor belts have portions aligned in mutually parallel relation. At least one of the conveyor belts includes flites and sideguards projecting toward a surface of the other conveyor belt for defining between confronting portions of... | 07/25/1995 |
| 5230475 | Conveyor system for shredder A conveyor system for a shredder, e.g. a shredder useful for comminuting yard and garden waste, includes a hopper for receiving the material to be shredded and a rotating hammer mill for shredding the debris into small pieces. Material is moved from the b... | 07/27/1993 |
| 5135435 | System for transporting and stacking coins A coin transporting and stacking mechanism transports coins between two endless belts which form a coin transporting channel. The coins are gripped on diametrically opposed edges by the counter-rotating belts, and securely held as they travel towards the ... | 08/04/1992 |
| 5094443 | Sheet conveying apparatus Apparatus for conveying one or more sheets of paper. The apparatus includes a supporting housing; a first, upstream pulley and a second, downstream pulley rotatably mounted on the housing; a lower, endless, elastic belt mounted on the first and second pul... | 03/10/1992 |
| 5088532 | Material feed control method and apparatus for a wood or brush chipping machine A method and mechanism for controlling the material feed of a machine for chipping wood or brush. The machine has a pair of coacting feed rolls which feed material to be chipped into a rotating chipper that is driven by an engine of variable speed. Hydrau... | 02/18/1992 |
| 5069292 | Method for soil clod/root crop separation A method and related apparatus is provided for size reduction and separation of soil clods mixed with a root crop. The method includes the steps of feeding the mixture along an enclosed operative path, manipulating the mixture so as to change the shape of... | 12/03/1991 |
| 4951806 | Double belt conveyor band A double-belt conveyor band with a continuously revolving conveyor band, the belt of which is supported on a band feeder and in connection with a steep segment on trough roller assemblies, and is supported flatly on the steep segment, as well as with a co... | 08/28/1990 |
| 4927004 | Feeder In order to improve the accuracy of spacing, direction and velocity, a feeder for feeding discrete objects one by one has a belt which circulates at a controlled speed. The belt carries a series of buckets formed by four flaps which are normally closed bu... | 05/22/1990 |
| 4893707 | Chain conveyors A conveyor mechanism of the type having a pair of conveyor chains which have co-extensive portions of their length which are guided by guide tracks so as to extend along a conveyor path in close proximity to one another, the improvement wherein the guide ... | 01/16/1990 |
| 4776451 | Conveyor system for particulate material A dual conveyor system is provided for conveying particulate material. The system includes a frame with an upper and lower conveyor housed therein. The lower track of the upper conveyor is closely spaced to the upper track of the lower conveyor so as to d... | 10/11/1988 |
| 4558779 | Conveyor apparatus, in particular for use in packaging plants A conveyor apparatus includes first and second elongate conveyor belts which are parallel and adjacent, which have support surfaces which are approximately flush, and which each have a plurality of compartment walls secured on and projecting outwardly fro... | 12/17/1985 |
| 4159886 | Pressurized conveyor A coal conveyor capable of transporting pulverized coal to a higher pressure zone. The conveyor comprising an upright pressure vessel and a feed pipe extending into and between two endless conveyor belts located within the vessel which mesh during their d... | 07/03/1979 |
