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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 5651805 | Apparatus for bending glass plates in a horizontal position In a method and apparatus for bending glass plates, the glass plates are heated in a horizontal position in a continuous furnace (1) to the bending temperature and in a following bending chamber (5) are pressed by an upwardly flowing hot gas stream agains... | 07/29/1997 |
| 5645621 | Apparatus for and method of bending glass sheets An apparatus for bending a glass sheet in a gravity bending step and in a subsequent press bending step includes a gravity bending mould having a fixed mould portion and an articulated wing portion adjacent to the fixed mould portion, a base on which the ... | 07/08/1997 |
| 5643349 | Apparatus for applying SO3 to float glass The present invention provides a method for making a stain-resistant float glass and an apparatus for carrying out such a method. In keeping with this method, SO3 is applied to the upper surface of float glass in an amount efficacious to materi... | 07/01/1997 |
| 5637148 | Apparatus for coating board-shaped piece material on both sides A method and an apparatus for coating printed circuit boards on both sides are described in which the printed circuit boards are transported through several consecutive processing stations of a coating installation. In a first coating station, one side of... | 06/10/1997 |
| 5637129 | Glass melting furnace plunger needle set-up fixture A set-up fixture (50) for positioning the needle holders (18, 20, 22) of a molten glass feeder bowl with respect to one another, the fixture having a frame member (52) and a plurality of prongs (54, 56, 58) depending from the fixture, one prong for each o... | 06/10/1997 |
| 5634958 | Method and apparatus for conditioning and homogenizing a glass stream At least one cooling zone and a subsequent homogenization zone are installed between the inlet and the outlet of a forehearth for conditioning and homogenizing a stream of colored glass. The glass temperature in the forehearth is reduced from the inlet te... | 06/03/1997 |
| 5634957 | Apparatus for and method for bending glass sheets An apparatus for press bending glass sheets, the apparatus comprising an upper die, a suspension system for the upper die for suspending and vertically moving the upper die, a lower gravity bending mould and a plurality of spacer devices for spacing the u... | 06/03/1997 |
| 5630860 | Method and apparatus for conditioning and homogenizing a glass stream A continuously flowing glass stream is conditioned and homogenized along a conditioning stretch, which extends from an entry side to at least one extraction point, and at the beginning of which there is a cooling zone, to which at least one homogenizing z... | 05/20/1997 |
| 5628106 | Method of manufacturing magnetic head In a first glass bonding process, a silicon-dioxide layer is formed on either a first or second magnetic material by vacuum evaporation. The first or second magnetic material with the silicon-dioxide layer is dipped in a warm solution containing alkali so... | 05/13/1997 |
| 5626641 | Method of manufacturing a glass blank used for optical glass elements In manufacturing a glass material used for a re-heat press method of manufacturing high-precision optical glass components including a lens, prism or the like, a glass material can be manufactured which has no defect inside of or on the surface of the gla... | 05/06/1997 |
| 5626642 | Method for the production of curved glass sheets A method of and a device for curving glass sheets preheated to curving temperature operate by passage of the glass sheets simultaneously over a principal shaping bed having a longitudinal trajectory which is substantially circular or substantially a cone ... | 05/06/1997 |
| 5622541 | Glass feeders A basin for a forehearth of a glass-making furnace having an internal volume divided into upper and lower portions by an annular shoulder is described wherein the horizontal cross-sectional area of the upper portion is significantly greater than that of t... | 04/22/1997 |
| 5622561 | Particulate material treatment system and conveyor belt mixing system A system and a process is provided for reducing the dust formation during the transfer of a particulate material on an endless conveyor belt. During transfer of the material on the conveyor belt the material is first sprayed with a wetting agent then by a... | 04/22/1997 |
| 5620520 | Apparatus for producing coated fasteners having closed ends An apparatus for coating internally threaded fasteners, particularly closed end fasteners, such as flanged weld nuts, which includes a powder spray arrangement, has a spray nozzle within a spray cylinder. The spray nozzle arrangement is actuated by an air... | 04/15/1997 |
| 5616161 | Machining chamber for a glass compresson molding machine A machining chamber encloses a glass molding apparatus including a molding die assembly composed of upper and lower molding dies cooperating to define a mold therebetween. The glass molding apparatus, contained within the sealed machining chamber, further... | 04/01/1997 |
| 5613994 | Electric furnace for melting glass The device for melting glass includes a compartment 1 for melting with a discharge throat 11 defined on top by a mobile carrier 16 having an upper part 18 extending upward above the level of glass and a lower part 17 intended to be totally immersed in the... | 03/25/1997 |
| 5611833 | Method and apparatus for producing spheroidal glass particles One forms spherical or spheroidal glass particles by entraining a powder of glass particles in a carrier gas and injecting the entrained particles into the center of the flame of an oxygen-fuel burner. Separate conduits carry fuel, such as natural gas, an... | 03/18/1997 |
| 5609664 | Guide ring for I. S. glass forming machine A self-lubricating ring assembly (10) for use in forming a finish portion (F) of a hollow formable glass parison (P), the neck ring assembly (10) having an opposed pair of part cylindrical metallic neck ring sections (22a, 22b) that can be opened and clos... | 03/11/1997 |
| 5601627 | Method for molding optical element There is disclosed a method for molding an optical element, by preparing an upper mold member and a lower mold member for press molding a glass material, heating the mold members together or individually to a predetermined temperature, deforming the glass... | 02/11/1997 |
| 5599369 | Hood for metal-oxide vapor coating glass containers An apparatus for applying a metal-oxide coating to hot, freshly formed glass containers. The apparatus includes a tunnel including spaced apart sidewalls, a conveyor for conveying hot, freshly formed glass containers through said tunnel, and a vapor distr... | 02/04/1997 |
| 5595601 | Coating bar for a bar coater A coating bar for a bar coater, wherein the coating bar is supported substantially over its entire length revolving in a cradle fixed to the frame of the coater. The coating bar is profiled and surface-treated by boronizing so that a layer of iron boride ... | 01/21/1997 |
| 5593472 | Glass feeder heat baffle A tube assembly for use in a spout bowl assembly including a bowl for receiving molten glass having a central orifice closed by an orifice plate having one or more openings and a corresponding plurality of vertically reciprocating plungers associated with... | 01/14/1997 |
| 5591263 | Wood preservative applicator The invention described is a wood preservative applicator or bandage for wooden structures such as wooden poles which wraps around the pole at ground level. The bandage comprises a inert matrix 2 which has a surface for contact with the wooden structure a... | 01/07/1997 |
| 5588978 | Process and apparatus for coloring glass A method and apparatus for the production of colored glass includes the steps of diverting a stream of clear molten glass from at least one glass melting furnace through one or more transport channels to a color treatment chamber. Recycled cullet and colo... | 12/31/1996 |
| 5584903 | Permeable attenuating distributor for a glass container coating apparatus and a method for coating containers Apparatus and method for coating hot glass bottles are improved by providing a controlled non-turbulent air supply directed downward across the coating material stream. The apparatus has a relocated blower for delivering process fluid (e.g. air) into an e... | 12/17/1996 |
| 5580364 | Method of producing a coated glass substrate exhibiting reflected color A method of producing mirrors comprising depositing onto a ribbon of hot glass during the production process a coating comprising at least one pyrolytic reflecting layer and at least one color modifying layer whereby the mirrors exhibit color in reflectan... | 12/03/1996 |
| 5578102 | Method for batch preheating and pollution abatement in glass manufacture A method and apparatus for glass manufacture is described having batch preheating and reduced pollution emission. The apparatus includes two modules containing pelletized glass and/or cullet. One module functions as a pelletized glass preheater, and the o... | 11/26/1996 |
| 5578127 | System for applying process liquid A system for coating a photoresist on a semiconductor wafer includes a loading/unloading unit and a process unit. A convey path is arranged in the process unit, and an adhesion process section, a pre-bake section, a cooling section, a resist coating secti... | 11/26/1996 |
| 5575828 | Bottle extractor for hollow glass molding machines Improved bottle extractor for hollow glass molding machines of the type consisting of a mechanical arm for transfer of the hollow glass, with a stepping motor whose output shaft connects directly with the drive shaft of the mechanical arm, the motor being... | 11/19/1996 |
| 5575849 | Apparatus for producing a substrate having a surface with a plurality of spherical dimples for photoconductive members An apparatus for producing a substrate having a surface with a plurality of spherical dimples suitable for light receiving members including: a cylindrical rotating vessel having an external wall face and an inner wall face surrounded by housing, a rotati... | 11/19/1996 |
| 5573568 | Method for reducing NOx emissions from a regenerative glass furnace A method of operating a regenerative glass furnace for melting glass for the manufacture of shaped glass articles so as to minimize emission of NOx in waste gases leaving the furnace, the furnace having sealed regenerators which act as heat exchangers, th... | 11/12/1996 |
| 5573569 | Method for conditioning and homogenizing a glass stream A continuously flowing glass stream is conditioned and homogenized along a conditioning stretch, which extends from an entry side to at least one extraction point, and at the beginning of which there is a cooling zone, to which a homogenizing zone for the... | 11/12/1996 |
| 5569312 | Method for reducing nox emissions from a regenerative glass furnace A method of operating a cross-fired regenerative glass furnace for melting flat glass so as to minimize emission of NOx in waste gases leaving the furnace, the furnace having sealed regenerators which act as heat exchangers, the method comprising supplyin... | 10/29/1996 |
| 5567240 | Apparatus for manufacturing ceramic green sheet laminate for an electronic component An apparatus including a supply source for a long composite which includes a long carrier film and a green ceramic layer continuously formed thereon along its longitudinal direction, a printing station, a drying station and a punching station. A conductor... | 10/22/1996 |
| 5562747 | Method of distributing molten glass gobs in an IS machine A method of distributing molten glass gobs in an IS machine whereby gob scoops are positioned beneath associated gob discharges for motion independently of each other. Each scoop is driven by a three-phase electric servo motor to swing through an arc inde... | 10/08/1996 |
| 5562749 | Method of producing flat glass A method of producing flat glass is provided. Molten glass is introduced into a chamber in which a molten tin float bath is housed. The molten glass floats on top of the molten tin as it cools. A plurality of recuperative gas burners are positioned above ... | 10/08/1996 |
| 5556442 | Method for fabricating an optical waveguide A process for forming film structure using Flame Hydrolysis Deposition (FHD) in which (1) glass soot is deposited on a substrate via FHD to form a first porous vitreous layer having a first bulk density, (2) a second porous vitreous layer having a second ... | 09/17/1996 |
| 5549726 | Process for bending glass sheets using fluid barrier A process for bending a glass sheet according to which the glass sheet is heated in horizontal position until its bending temperature is reached and is brought into contact with an upper bending form by a force of a pneumatic nature. A fluid barrier is ge... | 08/27/1996 |
| 5547485 | Parison transfer mechanism A parison transfer mechanism comprises two neck-ring arms which are mounted for rotation about a horizontal axis, which axis is inclined to a central axis of a section in which the mechanism is mounted. This allows for several arrangements of pairs of suc... | 08/20/1996 |
| 5540747 | Multiple orifice glass feed utilizing plungers A multiple glass feed system for use with a glass forehearth including a plurality of closely spaced plungers, each of which is individually adjusted independently of the other. The upper end of each plunger is oval in cross section and the lower end is r... | 07/30/1996 |
