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In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7083374 | Gripping members gripping and moving packets stacked by a conveyor A stacking conveyor conveys packets so that the conveyed packets become stacked together in a standing up configuration as an array of packets. First and second gripping members are automatically controlled so that the first and second gripping members mechanically ... | 08/01/2006 |
| 6550601 | Aligning and feeding device for panel-shaped workpieces In order to monitor the adjustment state of the entrainers (1), which are arranged in each case in pairs transverse to the feed direction (4), of a feed chain (2), it is proposed to arrange an adjusting station along the guide of the feed chain (2) and to... | 04/22/2003 |
| 5909800 | Film article release machine A film article release machine has two drive wheels, a conveyer chain surrounds the drive wheels and is driven by the drive wheels, and a plurality of release devices disposed on the conveyer chain. A guide plate is disposed above the conveyer chain. A ma... | 06/08/1999 |
| 5755436 | Clamp for sheet-like articles A clamp for retaining sheet-like articles having clamp jaws pivotably mounted on a spindle and retained in a clamping position by a closure device. The closure device is formed by carrying arms which have a clamping body. The two clamping bodies are locat... | 05/26/1998 |
| 5649618 | Motorcycle clamping fixture Apparatus utilizing a special clamping fixture supports a motorcycle or similar vehicle as it is conveyed along an assembly line. The fixture is secured to an overhead conveyor by a stabilized suspension means that positions the fixture beneath the motorc... | 07/22/1997 |
| 5129163 | Multistage tenter In a multistage tenter with the right and left clip chains for conveying a belt-shaped film in a drying unit, a tensing mechanism operates to slide the supports of a pair of right and left sprockets engaged with the clip chains to tension the latter simul... | 07/14/1992 |
| 4553572 | Coil spring assembly machine A machine for connecting successive rows of coil springs together into a coil spring assembly. The machine, in preferred form, initially picks up a row of coil springs by inserting a pick up finger into the barrel of each coil and moving the springs onto ... | 11/19/1985 |
| 4263768 | Pouch carrier Pouches are advanced broadwise by carriers each having two laterally spaced clamps for gripping the side margins of the pouch. The clamps are supported by pivoted linkages which enable the clamps to be moved laterally toward and away from one another for ... | 04/28/1981 |
| 4199288 | Infinitely variable spacing feeder This relates to a feeder for feeding articles on a continuous basis one behind the other. The feeder includes a plurality of flight bars which are mounted for rotation about an axis with the flight bars being circumferentially spaced and having article en... | 04/22/1980 |
| 4147265 | Adjustable apparatus for case loading and unloading Apparatus for article deposit and/or removal from carrier cases and comprising a pair of endless carrier conveyors operatively positioned on an upper portion of a frame in adjacent parallel relationship for movement through a fixed course extending longit... | 04/03/1979 |
| 4050574 | Device for transferring products between moulds of a production machine and a table of a wrapping machine A device for transferring rows of products from moulds to a delivering table while turning over and setting the spacing of the products during transfer comprises telescopic assemblies of suction-cup supports mounted on diametrically opposed tubular arms r... | 09/27/1977 |
