The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7083041 | Slat conveyor having conveying slats and lifting slats An inflatable bladder (50) is positioned between the top (24) of a lower slat (22) and the top (36) of an upper slat (20). An air supply/exhaust conduit (52) extends upwardly from a transverse manifold (76) to the inf... | 08/01/2006 |
| 6637586 | Accumulating pallet conveyor and storage system A conveyor is disclosed comprising a track having a pair of side rails and a plurality of interconnected carts which are reciprocally moveable along the track by a pneumatic cylinder. Each of the carts includes a pair of air bladders which are selectively... | 10/28/2003 |
| 6607071 | Sealed test chamber for module IC handler The present invention relates to an improved chamber for a module IC handler including a pre-heater for heating module ICs to a set temperature. A receiving piece is installed in a heating chamber and is formed with a plurality of receiving grooves for re... | 08/19/2003 |
| 6202830 | Conveyor arrangement and conveyor line An arrangement for conveying plates (4) in particular mother plates with or without a deposited metal layer, in an electrolytic metal refining plant, wherein the plates are intended to be conveyed in the conveyor arrangement (25, 50) along at least one ho... | 03/20/2001 |
| 6105754 | Transfer for machine tools A transfer for machine tools, in particular presses, including a pair of parallel bars supporting the elements to be transferred and borne longitudinally sliding on supports. The supports are movable in a crosswise direction to the bars, to vary the dista... | 08/22/2000 |
| 5868541 | Horizontal goods transfer apparatus A horizontal goods transfer apparatus includes a horizontal fixed rail extending in the back-and-forth direction and being capable of mounting thereon a plurality of items in a row in the longitudinal direction. A back-and-forth movement rail is arranged ... | 02/09/1999 |
| 5423417 | Log ladder A log ladder for sorting, feeding and indexing in a downstream direction a stack of logs into a stream of logs has a first notched step and a first set of collectively actuable lift arms pivotable about a first axis, and a second set of collectively actua... | 06/13/1995 |
| 5332079 | Apparatus for conveying plate-form articles A conveyor apparatus for a plate form article such as a lead frame including: a main conveyor line and a working conveyor line, which convey the lead frame in a direction parallel to the length-wise direction of the lead frame; a sub-conveyor which transf... | 07/26/1994 |
| 5226773 | Apparatus for stowing pallet mounted with cargo into hold of freight vessel An apparatus for stowing a pallet mounted with a cargo into a hold of a freight vessel, which comprises: two pairs of rails installed on a floor of a hold of a freight vessel in parallel with the center line of the freight vessel; at least two rows of pal... | 07/13/1993 |
| 5211708 | Fiber bale opening apparatus A fiber bale opening machine having an inclined opening roller (1) is provided with conveying apparatus (100) for stepwise displacement of fiber bales in the direction of the opening roller. The roller is movable transversely with respect to the direction... | 05/18/1993 |
| 4804077 | Tube end processing system A system for processing both ends of tubes, such a nuclear fuel rod cladding tubes. A conveyor, adjustable for different length tubing, supports and transversely moves the tubes to tube-end-processing sites. The conveyor is spaced up at the first-tube-end... | 02/14/1989 |
| 4750605 | Workpiece transfer system A system for transferring workpieces generally vertically from a station at one height in a workpiece support or transfer device to a station at another height in another transfer device or support. The workpiece is moved vertically by an elevator which t... | 06/14/1988 |
| 4735305 | Load carrying apparatus capable of moving in both a walk mode and a crawl mode A load carrying apparatus designed to be very low relative to its length, to be capable of crawling under a string of loaded pallets in a crawl mode, to be capable of carrying the string of loaded pallets in a walk mode, and to be capable of moving a stri... | 04/05/1988 |
| 4727976 | Workpiece conveyor A workpiece conveyor for conveying a workpiece between presses is disclosed. The workpiece conveyor includes first, second and third stations disposed between the presses, a reversing mechanism disposed at the first station and equipped with a pair of rig... | 03/01/1988 |
| 4684311 | Load transporting apparatus Load transporting apparatus enables loads to be transported on and off vehicles. The apparatus requires a loading platform to be located adjacent a load receiving surface of a vehicle. The platform and the surface each have channel shaped tracks which are... | 08/04/1987 |
| 4585114 | Apparatus for the lateral transfer of mandrels in a tube rolling mill Apparatus for the transfer of mandrels from a lube conveyor to a parallel mandrel pre-insertion line comprises a plurality of transfer devices each of which has an arm for the direct transfer of the mandrels which is disappearingly movable transversely be... | 04/29/1986 |
| 4527485 | System for transporting heavy cylindrical objects in a workshop A system for transporting heavy cylindrical objects such as cable drums or spools on a carriage guided along a pit dug in the floor includes a channel rail (2) lining the bottom and sides of the pit, a central upstanding rail (3) leaving a longitudinal ga... | 07/09/1985 |
| 4512280 | Pipe conveying apparatus Pipe conveying apparatus is disclosed that moves pipe in steps in a direction perpendicular to the longitudinal axis of the pipe. The apparatus includes a plurality of spaced, parallel, fixed rails that have notches on their upper surface that are transve... | 04/23/1985 |
| 4395183 | Loading device A loading device (FIG. 4) for loading goods into and unloading goods from a container, comprising a number of lifting beams, for example six, which are supported horizontally in a carrying stand (2), and which are formed of a lower and an upper beam porti... | 07/26/1983 |
| 4357128 | Conveying system A conveyor system with an automatic operating capability is disclosed. The system is particularly adapted to conveying articles into a steam chamber, vessel, oven or the like and retrieving articles after treatment therein. The system includes a truck dri... | 11/02/1982 |
| 4353457 | Airlift Transfer table for storage and lateral transport of elongated structural members, such as I-beams, having 1/4 inch or greater flanges. The table includes a plurality of longitudinally extending stationary supports defining a lateral carriage for the I-bea... | 10/12/1982 |
| 4270655 | Walking-beam conveyer Disclosed is a walking-beam conveyer for transporting strip-metal coils or other heavy articles in a stepwise manner. The beam or sections of the beam are supported by rollers on respective support heads and are moved in the transpart direction by rack an... | 06/02/1981 |
| 4236626 | Walking beam conveyor A walking-beam conveyor has a horizontally extending movable beam flanked by a pair of horizontally extending fixed beams. This movable beam is subdivided into a relatively long main portion and a relatively short end portion. The entire movable beam can ... | 12/02/1980 |
| 4219113 | Conveyor for moving heavy dense objects A conveyor system which is particularly suitable for moving large very heavy dense loads such as steel coils. The conveyor includes a stationary portion and a movable portion which is raised and moved forward to move the load forward. The movable portion ... | 08/26/1980 |
| 4187942 | Transfer beam conveyor A transfer unit for transporting heavy loads from station to station for work to be carried out on the load on a grillage divided up into a plurality of passageways, rails being mounted in the passageways for carriages or bogies carrying jacks for lifting... | 02/12/1980 |
| 4121721 | Apparatus for handling and storing elongated articles An apparatus for handling and storing elongated articles comprises a plurality of parallel article support members or skids arranged in a horizontal plane to define a storage area having a receiving side from which the skids extend laterally. A plurality ... | 10/24/1978 |
| 4102450 | Container washing and/or filling machines A machine for washing and/or filling containers such as beer kegs has a walking beam conveyor for moving the containers through the machine from one station to another. The walking beam is raised and lowered by two spaced-apart upright pneumatic rams and ... | 07/25/1978 |
| 4071137 | Walking beam conveyor apparatus and method of operating the same Walking beam-type conveyor apparatus having a plurality of elongated, spaced stationary members carried by a supporting frame, and a plurality of elongated, spaced longitudinally movable members parallel with and intermediate the stationary members and ca... | 01/31/1978 |
| 4061231 | Pipe handling apparatus for pipe laying barges Pipe handling apparatus for pipe laying barges, sometime called lay barges, wherein pipe is lifted from an incoming pipe conveyor to a transverse rack, from one rack position to another, and from the rack to the pipe line-up conveyors, by a series of pivo... | 12/06/1977 |
| 4042118 | Combination roller conveyor and cross-conveyor system The combination of a roller conveyor and a cross-conveyor system having elevatable and depressable wagon structure for picking up structural beams from a storage table and carrying the beams to and depositing them on the conveyor, is improved by upright w... | 08/16/1977 |
| 4024946 | Transverse movement of elongated stock Pipes are moved transversely from one roller track to another one through two, bidirectional devices which in one example have a stationary and an up and down reciprocating member with shoes constructed to provide alternatingly downwardly inclined surface... | 05/24/1977 |
| 3985496 | Walking beam device for conveying materials at high temperature A conveyor for a furnace includes a walking beam unit mounted within an elongated opening through the bottom wall. A longitudinally-moving H-shaped support member is located beneath a refractory beam. An expandable tube extends beneath the beam and has a ... | 10/12/1976 |