Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7584837 | Conveying device A transport device having a preferably flat transport element and at least one basic carrier which is mounted on the basic carrier by rollers. At least one article carrier can be mounted. The transport element is driven stops along the transport element allow haltin... | 09/08/2009 |
| 7510070 | Reciprocating forward-feed device for the clocked linear forward-feed of stacks of goods over a transport path A reciprocating forward-feed device for the clocked linear forward-feed of stacks of goods over a transport path has a double-arm rotatable forward-feed lever with two pushers which operate in a clocked manner. Forward-feed lever and pusher are driven in a controlle... | 03/31/2009 |
| 7419049 | Archimedean conveyors and combustion engines A helical screw conveyor having a helical screw rotatably mounted within a casing and cooperating with a chain of platens to convey objects from one end of the casing to the other end or to selected locations therebetween. A thermodynamic combustion engine is provid... | 09/02/2008 |
| 7303063 | Sequential stepped movement staging device A sequential stepped movement staging device comprises six legs 70 of equal length extending radially from a central sphere 46 in an X-Y-Z orthogonal relationship. The sphere 46 and legs 70 are held in a horizontally fixed position relati... | 12/04/2007 |
| 7124880 | Feeding device with a pivotable pushing member A feeding device includes a rail with a feeding unit and a pushing unit located on two sides of the rail. The feeding unit has a transverse member on which the cylindrical pieces are located and a pivotable arm pivotably connected to the transverse member to push th... | 10/24/2006 |
| 6662933 | System for conveying objects A system for conveying objects (1), which comprises at least one endless transporter (2) able to route the objects (3) along a so-called transportation surface (S), the transporter (2) comprising a plurality of pushers (6) regularly spaced apart, fixed to... | 12/16/2003 |
| 6367612 | Retractable pusher dog for power and free conveyors A retractable pusher dog for an overhead power and free conveyor system is provided. The retractable pusher dog comprises a body portion formed from a rectangular cylinder with a spring and pusher member disposed within the cylinder. When a force greater ... | 04/09/2002 |
| 6357578 | Trailer floor cleaning system A system for cleaning the floor of a self-unloading trailer of residual particulate material comprises in combination with moving slats of a typical self-unloading trailer three rails each fashioned to be attached to the top of a slat, and a wedge-shaped ... | 03/19/2002 |
| 6354783 | Medication-handling system for use in loading medication carts The system includes a medication-receiving assembly which collects medications automatically dispensed from storage assemblies therefor and a transport assembly for moving the collected medications to a loading assembly, wherein the loading assembly is ar... | 03/12/2002 |
| 5860244 | Sod handling system We provide methods and apparatus for handling sod which includes a washing machine in which the water is recycled and during recycling the soil removed from the sod is delivered for reuse. We also provide a method of delivering and take up of rolls of sod... | 01/19/1999 |
| 5803098 | Vehicle washing installation The vehicle washing installation comprises at least one conveyor chain (1) in the form of a sprocket chain, by means of which the vehicles are moved through the installation, and a plurality of treatment units arranged along the path of movement of the ve... | 09/08/1998 |
| 5730061 | Automatic conveyor system with damage-free guide rails A guide rail assembly for use with a conveyor of an automatic conveyor car wash. The guide rail assembly is comprised of a main guide rail positioned outside the conveyor proximate the wheel portion of a vehicle, and a lower guide rail extending below and... | 03/24/1998 |
| 5385003 | Method and apparatus for moving and closing packaging trays In order to prevent spilling the contents or fracturing a package being filled, a rigid tray is moved into a filling area by pushers in which the pusher is advanced under controlled acceleration and then deceleration for gently stopping the pusher in cont... | 01/31/1995 |
| 5305871 | Package-conveying apparatus comprising endless member conveyor and pushers A package-conveying apparatus, which is useful with a wrapping-machine of a type capable of wrapping a package with stretch film from a roll moving in an annular path, comprises an elongate table with two front ledges, a pair of endless belts for conveyin... | 04/26/1994 |
| 5199840 | Automated storage and retrieval system An automated storage and retrieval system includes two confrontingly opposed, columnar arrays which define a plurality of vertically spaced tray-receiving recesses. A platform is vertically displaceable along and between the arrays and carries an extracti... | 04/06/1993 |
| 5044877 | Magazine for storing and feeding flat articles to be unstacked The magazine has slats for advancing flat articles to an unstacking head. The magazine comprises a first zone into which articles are loaded and along which they are advanced by removable slats, which slats are individually mounted in the first zone, bein... | 09/03/1991 |
| 4873929 | Pusher unit A three-axle, "six-wheel" pusher unit for a carwash system of the type wherein an endless chain moves under a slotted track. The pusher employs a straight bar which can project out of the track, with the track-contacting rollers positioned at the end of t... | 10/17/1989 |
| 4103789 | Unitized loading system A unitized loader has a structural framework supporting a plurality of air bearings on its upper surface and on its lower surface, the upper air bearings supporting cargo on the loader and the lower bearings supporting the loader on the floor, the structu... | 08/01/1978 |
| 4003477 | Rewinding machine having a roll transfer apparatus An apparatus and corresponding process is provided for the transfer of a roll from the roll-up location of a rewinding machine to a storage location thereof. The transfer apparatus applies pressure against the circumference of the roll at its roll-up loca... | 01/18/1977 |
| 3993188 | Transporting arrangement A transporting arrangement for delivering products which are deposited at a first cycle at one end of an endless conveyor at a second higher cycle from the other end thereof. The arrangement includes an endless conveyor having an upper run moving at a fir... | 11/23/1976 |
| 3985064 | Device for displaceably supporting a load A device for displaceably supporting a body in relation to a support surface comprising at least two elastic elements positionable between the support surface and a surface of the body and separately expansible and contractible in a direction towards and ... | 10/12/1976 |
