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 |
| 8132663 | Conveyor table of cutting machine A conveyor table of a cutting machine capable of making a difference in level between a conveyor table and a air table small, and preventing a sheet material from shifting or collapsing with a simple configuration is provided. A pair of caterpillar tracks 10 ... | 03/13/2012 |
| 7779990 | Transfer device in manufacturing systems for tobacco products In a manufacturing system for tobacco products, a cigarette maker and a cigarette packer are linked by a transfer device consisting in a flat top chain conveyor that comprises a plurality of modular molded plastic elements connected one to the next by way of hinge e... | 08/24/2010 |
| 7131809 | Body bolt absorber assembly The body bolt absorber assembly includes a lower body absorber made from rubber or a similar material with an undersized aperture, formed either during manufacture or by subsequent piercing, to slideably engage and capture a bolt. The lower body absorber further inc... | 11/07/2006 |
| 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 |
| 7051670 | Equipment for preparing for electrostatic painting three-dimensional articles with a predominantly flat extension The equipment for preparing for electrostatic painting three-dimensional articles (P) with a predominantly flat extension, made from dielectric or low-conductivity material, which move on and are supported by a horizontal conveyor (T), presents the feature that the ... | 05/30/2006 |
| 6948613 | Module with high friction conveying surface A belt module having a peripheral frame and a network of channels or holes disposed in an upper surface for attaching a high friction material. ... | 09/27/2005 |
| 6871947 | Conveying device and image recording apparatus having the same There are provided a conveying device capable of detecting a driving state of a conveying member with a simplified structure not requiring an encoder and the like, and an image-recording apparatus having the conveying device. A detector for detecting a surface aspec... | 03/29/2005 |
| 6823986 | Device and method for conveying work pieces The invention relates to a device for conveying work pieces, especially suspended plate-shaped work pieces such as metal sheets or plates. The device includes at least one driven belt (1) that revolves around a retaining device (3) and that conveys wor... | 11/30/2004 |
| 6601693 | Belt conveyor with a surface layer transferred onto the article-conveying surface and method therefor A belt conveyor with a surface layer transferred onto its article-carrying or other surface to impart certain effective properties to the surface. The belt conveyor comprises a conveyor belt driven by a belt drive along a belt-conveying path. A transfer e... | 08/05/2003 |
| 6581753 | Transport apparatus An apparatus for transporting a bundle of signatures moving continuously on a saddle chain to a working station includes an indexing chain moving with variable speed, and a clamping unit for keeping the bundle of signatures at a predetermined position on ... | 06/24/2003 |
| 6516940 | Low electrostatic discharge conveyor A conveyor (20, 120, 220, 320) for transporting objects sensitive to electrostatic discharge. In one embodiment, the present invention relates to a slippable roller conveyor (20, 120, 220, 320) with conductive slippable rollers (30, 30') in electrical com... | 02/11/2003 |
| 6311523 | Process for forming a glass sheet A process for forming a glass sheet, which is a process for continuously forming a glass sheet, and which comprises a step of introducing a vapor film-forming agent, which is not vapor at least around room temperature and which is vapor at a temperature above ... | 11/06/2001 |
| 6290453 | Unit for feeding flat diecut blanks of wrapping material to a user machine A unit for feeding flat diecut blanks of wrapping material to a user machine is equipped with a conveyor by which blanks disposed on edge transversely to a given feed direction and ordered in a substantially continuous column are caused to advance along a... | 09/18/2001 |
| 6250472 | Paper sorting system The present invention includes devices and methods for handling and sorting paper. Devices for accelerating and spreading paper from a paper input to a sensor are disclosed. Operably thin layers of paper are passed through a sensor at cost effective feed ... | 06/26/2001 |
| 6101845 | Process for forming a glass sheet A process for forming a glass sheet, which is a process for continuously forming a glass sheet, and which comprises a step of introducing a vapor film-forming agent, which is not vapor at least around room temperature and which is vapor at a temperature a... | 08/15/2000 |
| 5931457 | Conveyer belt and sheet-material conveying mechanism using the belt A conveyer belt includes a conveying face which is divided into at least two areas one of which has a larger coefficient of friction than the other. Alternatively, the conveying face includes an area in which a coefficient of friction thereof varies from ... | 08/03/1999 |
| 5564892 | Veneer stacker A veneer stacker with a controlled overhead conveyor to maintain the leading edge of successive veneer sheets in a common orientation and normal to the travel direction of the conveyor. The overhead conveyor has paired members, e.g., conveyor belts that e... | 10/15/1996 |
| 5429224 | Parts-conveying apparatus A parts-conveying apparatus comprising an elongated guide member having a guide channel extending throughout the entire length of the guide member for supporting parts therein; and an endless belt unit comprising a pair of rollers and an endless belt wrap... | 07/04/1995 |
| 5333723 | Accumulator paddle apparatus Paddle apparatus for an accumulator for receiving and transporting printed circuit panels including a plurality of tip elements and caps are distributed on the tip elements. The caps act as cushion elements to prevent inadvertent damage to the printed cir... | 08/02/1994 |
| 5264037 | Powder coating system An apparatus for and method of coating an article by the use of electro-static attraction of ionized particles which are subsequently cured. The apparatus includes a first foraminous conveyor for carrying the article through a powder coating zone and a se... | 11/23/1993 |
| 4946028 | Conveyor belt treatment A system of using a metallic conveyor belt in the manufacture of can lids which prevents can lids from rotating as they are conveyed from one manufacturing station to another. Thus, the lids are not improperly cast and stamped, and as a result, discarded.... | 08/07/1990 |
| 4944830 | Machine for labelling bottles This invention relates to a labelling machine for bottles which includes a bottle feeding mechanism to feed the bottles to a revolving bottle support platform. The support platform directs bottles to a labelling mechanism and an application mechanism prio... | 07/31/1990 |
| 4941566 | Spiral conveyor with textured capstan A capstan for a spiral conveyor includes a plurality of grooves in the external surface thereof for controlling the driving friction between the outer surface of the capstan and the inner edge of a conveyor belt in contact with it. In one embodiment of th... | 07/17/1990 |
| 4883166 | Conveying system A conveying system for relatively thin objects is disclosed. The system employs a grooved moving belt positioned at the bottom of a channel formed from replaceable side rails, with the side rails being shaped to conform generally to the upstanding object.... | 11/28/1989 |
| 4860882 | Method and device for distributing and feeding Distributive feeding apparatus for separating a plurality of articles fed to a receiving part (12) to a plurality of separated lanes has a bar conveyor (11) comprising two chains (103) with bars (104) extending therebetween and carrier elements (105) slid... | 08/29/1989 |
| 4844235 | Vibratory separation apparatus A resilient liner is provided on the particle supporting surface(s) of a vibratory conveyor system. The liner accounts for a live surface that counters the tendency of the particles, particularly those that are moist and sticky, from adhering to each othe... | 07/04/1989 |
| 4784557 | Cup or cover stacker of a cup filling apparatus for dairy products A cup and/or cover strand can be fed with the cup and/or cover feed device according to our invention, especially a cup and/or cover feed device of a cup filling unit for nutrient and palatable items such as dairy products. The cup and/or cover edges of t... | 11/15/1988 |
| 4776916 | Method and apparatus for providing additional support to selected portions of a garment Method and apparatus are provided for applying a thermoplastic adhesive to a portion of a garment in a predetermined pattern. The portion of the garment is initially loaded onto a conveyor device through a loading fixture and a powdered adhesive is screen... | 10/11/1988 |
| 4645069 | Vacuum accumulating conveyor A vacuum operated accumulating conveyor including a table with a slick top surface having an elongated gap. A perforated belt moves along said gap above the open ends of a plurality of vacuum chambers arranged end-to-end at spaced intervals beneath the up... | 02/24/1987 |
| 4583633 | Conveyor for packing machines In a conveyor for feeding non-slidable goods into a continuously operating packing machine, and wherein spacing between the goods being conveyed is provided by elongated engaging bars spaced from each other, a storage device is provided at the inlet porti... | 04/22/1986 |
| 4572357 | Sheet material conveyor with unloading apparatus A material unloading conveyor is arranged in overlapping relation to the discharge end of a bristle conveyor and includes an endless belt which has a plurality of U-shaped staples secured to its surface to pivot relative thereto. The staples move in combi... | 02/25/1986 |
| 4540131 | Rolled sheet paying out transfer apparatus A rolled sheet paying out transfer apparatus comprises a support frame for supporting a rolled sheet having a liner interposed between turns of the rolled sheets so as to paying out the sheet by winding up the liner, an intermediate conveyor for holding t... | 09/10/1985 |
| 4488634 | Method of reducing damage to foodstuffs using cushioning aqueous foams Damage to foodstuffs, such as eggs, during handling operations is reduced by providing the handling apparatus, such as a conveyor, with a layer of an aqueous foam to cushion the foodstuffs from hard contact with each other.... | 12/18/1984 |
| 4452352 | Apparatus for loading parts into bodies A predetermined number of contacts are loaded into a connector body automatically by feeding a predetermined number of contacts on to an indexable strip, the contacts being held on the strip by sticky tape which is engaged by the contacts through slots fo... | 06/05/1984 |
| 3939965 | Conveyor belt An endless conveyor belt for the conveying of separate articles or packages to be conveyed along a steep incline. The belt is formed with spaced, resilient flaps which extend upwardly from the load supporting surface to engage the conveyed article. If the... | 02/24/1976 |