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 |
| 7361385 | Method for manufacturing hot-dip plated metal strip and apparatus for manufacturing the same The invention relates to a method for manufacturing a hot-dip plated metal strip comprising the steps of: introducing a metal strip into a molten metal bath of plating metal to adhere the molten metal onto the surface of the metal strip; taking out the metal strip, ... | 04/22/2008 |
| 7285331 | Ultraphobic surface The invention relates to a structured surface with ultraphobic properties. Said surface as a surface topography in which the value of the integral of a function S: S(log f)=a(f)·f, which gives a relationship between the spatial frequencies f of the individual Fouri... | 10/23/2007 |
| 7156920 | Coating device The coating device (10) for coating a metal band or strip (12, 12′) in a melted metal mass (14 ) comprises a shaft (16, 18) rotatably supported in the melted metal mass (14) by a slide bearing (261, 26 | 01/02/2007 |
| 6911259 | Glass fiber-reinforced thermoplastic resin pellets and their production process A process for producing glass fiber-reinforced thermoplastic resin pellets, which comprises a step of drawing out glass fiber strands from the inside of glass fiber rolls and introducing them into a resin impregnation die, a step of supplying a molten thermoplastic ... | 06/28/2005 |
| 6881438 | Process for production of composite porous film A process for production of a composite porous film wherein a porous support, of which both sides have been coated with a solution (dope) of an organic polymer compound in a water-soluble organic solvent to form a coated film, is passed through an air gap step and c... | 04/19/2005 |
| 6733819 | Method and apparatus for polymer application to intracorporeal device A method and apparatus for applying a polymer coating on an elongated substrate, preferably an elongate intracorporeal device in the form of a guidewire. An extrudable polymer cartridge is moved by a cartridge advancement mechanism into a guide chamber which is heat... | 05/11/2004 |
| 6669993 | High speed yarn finish application Methods and devices to actively apply finish to one or more yarns in motion at speeds greater than about 3000 m/min, to achieve a finish application of 0.2 wt % or more with a coefficent of variation of finish concentration of 10% or less, and the finishe... | 12/30/2003 |
| 6599557 | Method and apparatus for polymer application to intracorporeal device A method and apparatus for applying a polymer coating on an elongated substrate, preferably an elongate intracorporeal device in the form of a guidewire. An extrudable polymer cartridge is moved by a cartridge advancement mechanism into a guide chamber wh... | 07/29/2003 |
| 6562412 | Method and apparatus for coating strip shaped materials A method and apparatus for coating a strip material with a coating material having the following elements: an oven; a bath with a coating material having an upper surface; a deflector roller, partially immersed in the coating material, which has a deflect... | 05/13/2003 |
| 6517887 | Method and a device for coating a tablet, a capsule, a pill or the like The method relates to a disposable device for the application of a coating (2) on a tablet, a capsule or a pill. The coating (2) is applied enclosing the tablet, capsule or pill (3) during its passage through a bowl formation (4) with a coating mass (5) a... | 02/11/2003 |
| 6428851 | Method for continuous thermal deposition of a coating on a substrate Continuous bath or curtain processes for the thermal deposition of a coating from a coating solution onto a moving metal web are used to apply a coating onto the web. The compositions that result from the processes are substantially free of defects relati... | 08/06/2002 |
| 6410126 | Unidirectional tape of carbon fibers In this tape (15), the fibers are discontinuous and have a length distribution such that the mean fiber length, that is to say the mean length of 50% of the fibers in a specimen, is between approximately 40 and 70% of the length of the longest fiber in th... | 06/25/2002 |
| 6406657 | Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid A method for imparting an electrostatic charge to a nonwoven fibrous web 20. The fibrous web 20 is wetted with a wetting liquid 24, followed by being saturated with an aqueous polar liquid 30 and drying 31. The resulting dried product is an electret artic... | 06/18/2002 |
| 6372294 | Manufacture of unidirectional fiber reinforced thermoplastics The method for the manufacture of unidirectionally fiber reinforced thermoplastic bands comprises a pressure impregnation of a fiber strand in a bath with a dispersion of thermoplastic particles. Heat treatments for the drying of the strand and a melting ... | 04/16/2002 |
| 6251206 | Method for opening and resin-impregnation to produce continuous fiber-reinforced thermoplastic resin composite material An opening and resin-impregnation apparatus is used for impregnating a reinforcing fiber bundle (2) with a molten resin. The fiber bundle (2) is subjected to opening by bringing it into contact with opening pins (4). An auxiliary pin (5) is positioned wit... | 06/26/2001 |
| 6242048 | Method of manufacturing hot dip coated metal strip A molten metal is deposited on the surfaces of a metal strip by continuously dipping the metal strip in a coating bath. The metal strip is lifted at a constant speed while supported with a pair of upper and lower support rolls in the coating bath. The coa... | 06/05/2001 |
| 6228432 | Method and apparatus for the production of continuous composite materials A method and an apparatus for the production of continuous composite materials from unidirectional reinforcing fibers and from thermoplastics, the longitudinally moved bundle of parallel continuous reinforcing fibers being preheated and impregnated with a... | 05/08/2001 |
| 6222184 | Device for measuring the surface pressure The object of the invention is a device for measuring the surface pressure of a film formed at the interface of a liquid and gaseous phase, the device comprising a detector means and a sensor means. The detector means comprises a light source and a positi... | 04/24/2001 |
| 6083855 | Methods of manufacturing voidless resin impregnated webs A method for manufacturing a cured resin impregnated substrate comprising placing a substrate into a impregnation zone including a solvent containing curable resin to produce a resin impregnated substrate and at least partially curing the resin impregnate... | 07/04/2000 |
| 6060126 | Method and apparatus for manufacturing unidirectionally reinforced resin structure A unidirectionally reinforced resin structure is manufactured by an apparatus which comprises a melt resin bath in which a melt resin is stored and into which a long fiber bundle passes, and a plurality of opening pins disposed in the melt resin bath. The... | 05/09/2000 |
| 6045876 | System and method for impregnating a continuous fiber strand with a polymer melt A system and method for impregnating a continuous fiber strand with a heated polymer melt involves the introduction of a polymer melt into a cavity and the routing the fiber strand through the cavity so the fiber is exposed to the polymer melt introduced ... | 04/04/2000 |
| 6042876 | Guidewire having hydrophilic coating A guidewire comprises a core wire having a coil tip at its distal end. The coil tip includes a helically wound filament having adjacent turns spaced apart by a preselected distance. The guidewire is coated with a polymeric material, typically a hydrophili... | 03/28/2000 |
| 6030658 | Resin coating applicator for an optical fiber In a resin coating applicator, a holder 14 is fixed on a base 15 fitted to a drawing machine, and in the holder 14, hot water can be circulated from an inlet 18. The inner circumferential surface of the holder 14 is formed into a tapered shape so that the... | 02/29/2000 |
| 6025018 | Method and apparatus for making wire mesh preform A flattened tubular knitted wire mesh is passed through a bath of a slurry comprising a vermiculite binder and a high temperature lubricant powder with optional metal fibers suspended in water to form an impregnated moving slurry filled web. The slurry fi... | 02/15/2000 |
| 5958518 | Method of producing hot-dip zinc coated steel sheet free of dross pick-up defects on coating and associated apparatus The present invention relates to a system and a method for using the system to provide a dross-free zinc bath for hot-dip galvanizing of steel strip or wire. The system includes the operation and apparatus for carrying out the operation of directing a zin... | 09/28/1999 |
| 5948473 | Method and apparatus for preparing resin-impregnated structures reinforced by continuous fibers The present invention relates to a method for producing a resin-impregnated structure reinforced by continuous fibers in which a practically endless continuous fiber bundle is dipped in a bath of molten resin and simultaneously passes through a space betw... | 09/07/1999 |
| 5846602 | Process and device for the production of a tube for lining pipe conduits and sewer systems In the production of a transportable, multilayery tube (1) with a gas-impermeable outer layer (2) and at least one layer (3) impregnated with a curable resin (11) and made of a composite fiber material (4) to line pipe conduits and sewer systems, using su... | 12/08/1998 |
| 5776546 | Method and apparatus for impregnating a porous substrate with a solids-bearing saturant A method and apparatus for impregnating a porous substrate with a solids-bearing saturant first introduces the saturant into the substrate from a first side, and then introduces a displacement material into the substrate from the first side. This displace... | 07/07/1998 |
| 5744194 | Process and device for coating at least one optical waveguide A process for coating at least one optical waveguide with a filling compound has at least two successive filling stages separated by a wiping device of reduced cross section. In the region of the wiping device, a proportion of the filling compound which i... | 04/28/1998 |
| 5674592 | Functionalized nanostructured films Low energy surfaces based on nanostructured films exhibit advancing and receding contact angles for liquids such that (1) the difference between the advancing and receding contact angles approaches zero and (2) the advancing and receding contact angles ap... | 10/07/1997 |
| 5667841 | Methods of lining the internal surface of a pipe There are provided methods of lining the internal surface of a pipe, which includes first inserting two lining pigs into the pipe and then introducing a batch of resin thereinto, or inserting one lining pig between two batches of a resin, or first inserti... | 09/16/1997 |
| 5626918 | Method for handling and dipping flexible belts using a spring and shaft assembly This invention discloses a method of holding and transporting a hollow flexible belt throughout a coating process. The method includes placing a spring and shaft assembly into the hollow portion of a seamless flexible belt, and expanding the spring portio... | 05/06/1997 |
| 5607531 | Filament coating process The present invention provides a novel filament coating process. Useful filaments include high strength, reinforcing fiber such as fiberglass. By the process, a filament bundle is transversely spread and individual filaments are coated. In a particular ap... | 03/04/1997 |
| 5597619 | Filtering material and method of producing the same A filtering material employable as a basic material for a sanitary mask, a deodorizing filter or the like includes as essential components calcium phosphate particles, a water soluble glucan and a sheet-shaped raw material, and the calcium phosphate parti... | 01/28/1997 |
| 5578344 | Process for producing a liquid impermeable and flushable web A process for impregnating a resin into a substrate to form a web. The resin is impregnated into one side of the web, so that the other side remains exposed. This arrangement allows the exposed side of the web to be dispersible in water, while the impregn... | 11/26/1996 |
| 5560958 | Method and apparatus for coating fluorescent lamps A method and apparatus for sequentially coating fluorescent lamps with a protective coating. The lamps are advanced continuously through coating apparatus which prepares the surfaces of the lamps for coating, then dips the lamps in a bath of liquid coatin... | 10/01/1996 |
| 5514417 | Method of and apparatus for coating a molded fibrous workpiece Molded fibrous workpieces of various cross sectional configurations are coated with a polymeric latex foam coating material to encapsulate fibers and dust within the exterior surfaces of the workpieces. The foam coating is applied by passing the workpiece... | 05/07/1996 |
| 5466360 | Method for preparing aluminum for subsequent electroplating A method for preparing aluminum and aluminum alloys includes the step of simultaneously honing the surface of the aluminum or aluminum alloy in a zincating solution. The honing removes the aluminum oxide layer from the surface of the aluminum or aluminum ... | 11/14/1995 |
| 5451431 | Composition and process for treating metal surfaces A non-chromate conversion coating for metal surfaces such as aluminum, steel, galvanized steel and zinc-aluminum steel consisting of an aqueous solution of a cationic polymer, an alkaline aqueous silicate and an organofunctional silane.... | 09/19/1995 |
| 5389405 | Composition and process for treating metal surfaces A non-chromate conversion coating for metal surfaces such as aluminum, steel, galvanized steel and zinc-aluminum steel consisting of an aqueous solution of a cationic polymer, an alkaline aqueous silicate and an organofunctional silane.... | 02/14/1995 |