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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 |
| 7322196 | Combustion chamber for combusting a combustible fluid mixture A combustion chamber (1) for combusting a combustible fluid mixture having a burner (2) disposed on the combustion chamber (1) and a method for cooling a combustion chamber (1). A fixing device is provided for liner elements (5) of... | 01/29/2008 |
| 7204058 | Concrete arch and method of manufacture A flat-formed arch ring unit includes a linear array of voussoir portions connected along their upper edges. The unit is then archable. A method is provided for forming an archway including the steps of arching one or more the flat formed arch ring units and locatin... | 04/17/2007 |
| 7096633 | Method of hanging a false cloth ceiling A false ceiling having flexible material connected to an elongate U-shaped beam or rail, the beam fixedly connected to existing trusses via clamps. The U-shaped beam has a pair of vertical flanges with inner surfaces for receiving an end portion of the flexible mate... | 08/29/2006 |
| 7040241 | Refractory brick and refractory construction A refractory brick having a plurality of segments positioned along a longitudinal axis of the refractory brick. Each segment has at least two arcuate recesses and at least two arcuate ridges. The recesses of a first segment of the segments are positioned at a radial... | 05/09/2006 |
| 6705243 | Supporting-arch construction and process for producing a supporting arch A supporting-arch construction having two abutment blocks, one impost, in each case, engaging against each abutment block. Supporting-arch blocks are arranged between the imposts, and are of the same construction. A process is provided for producing such a supportin... | 03/16/2004 |
| 6532879 | Gasifier system and method A solid fuel fed combustor system having a first chamber portion with an inlet feed for feeding a metered amount of a solid fuel thereto, a first burner stage having a first traveling conveyor firebelt, a metered amount of air introduced in progressively ... | 03/18/2003 |
| 6427610 | High temperature industrial furnace roof structure A refractory hanger brick for high temperature industrial furnace roof construction having an elongated upwardly extending refractory portion having a generally rectangular cross section and a lower refractory base portion having a generally rectangular l... | 08/06/2002 |
| 6074206 | Industrial oven with bi-directional expansion joints An industrial oven uses bi-directional expansion joints to accommodate lateral and longitudinal movement intersecting support beams of the oven's structural framework resulting from expansion of the support beams, the supported beams, and/or other oven co... | 06/13/2000 |
| 5899151 | Industrial furnace roof assembly and components thereof A high temperature industrial roof assembly having two refractory bricks with adjacent faces, opposing hanger recesses, a hanger rod extending from the recesses to the top of the assembly, the refractory bricks being held in an adjacent position by a secu... | 05/04/1999 |
| 5862641 | Kiln anchor An anchor for connecting refractory material to a wall or other support structure for a kiln or other vessel is disclosed. The anchor includes a first member having a section along its length that is selectively configured and has a selective cross-sectio... | 01/26/1999 |
| 5444734 | Device for lifting and moving the roof of a spray cooled furnace A combination of a spray cooled roof having a central opening, a support member and mast post wherein the roof is provided with an engagement which are detachably engaged to the corresponding engagement affixed to a support arm assembly which extends over... | 08/22/1995 |
| 5289495 | Coolant coils for a smelting furnace roof A roof structure for an electric arc smelting furnace includes a spider frame for supporting a plurality of independent removable coolant coil sections. An inner coil section is generally annular in shape and includes a coolant pipe which spirals complete... | 02/22/1994 |
| 5062249 | Furnace crown means and method The invention herein teaches a crown system for kilns and furnaces for the high temperature firing of materials. One method used in the industry for a crown system consists of supporting layers of insulation with inverted T-rails attached to bones which a... | 11/05/1991 |
| 4929179 | Roof structure A roof structure has a plurality of layers of heat resistant material, at least a first of the layers including a first brick layer, at least a second of the layers above the first of the layers including a heat resistant compound, and the heat resistant ... | 05/29/1990 |
| 4892046 | Furnace roof and method of constructing the same A removable roof for a furnace in which metal is melted has a framework composed of a series of horizontal beams arranged in several layers, with the beams of the lowest layer being parallel to each other and being held in fixed and determined relation wi... | 01/09/1990 |
| 4836841 | Roof for the working area, melting area or gob feeder of a glass melting furnace Roof of a working tank or of a glass melting furnace having a basin containing molten glass and covered by the radiation roof of highly refractory firebrick material, in which the roof is constructed with horizontal supporting elements in the form of stra... | 06/06/1989 |
| 4754716 | Refractory shield removable toe A removable refractory shield toe assembly for a suspended refractory shield wherein a hanger suspension means extends substantially the length of the toe assembly suspending a plurality of adjacent refractories on at least one metallic refractory hanger,... | 07/05/1988 |
| 4740155 | Dual damper heat control furnace A furnace is now provided having a dual pressure damper control system. Such system provides for substantial flexibility of control over the flow of flue gases, and consequently leads to substantial flexibility in the economical treatment of work pieces f... | 04/26/1988 |
| 4628657 | Ceiling and wall construction For gas-tight lining of a chamber which is exposed to high temperatures a ceiling and wall construction is provided which is assembled from support bars, rows of profiled bearing bricks supported thereon and central bricks inserted between these rows of b... | 12/16/1986 |
| 4584814 | Method and apparatus for fastening an insulation module to a surface A method and apparatus for fastening an insulation module to a furnace wall. A stud member is welded onto the furnace wall. A pilot tool is attached to the stud member. An insulation module is impaled over the pilot tool and stud member. A nut is inserted... | 04/29/1986 |
| 4539919 | Supporting structures for furnace crowns A furnace crown structure for furnaces used to fire ceramic materials at high temperature, which comprises silicon carbide beams. Each beam is laid crosswise to the longitudinal axis of the furnace, parallel to one another at constant pitch distances apart. Th... | 09/10/1985 |
| 4529178 | Expansible refractory brick assembly for a furnace roof A refractory assembly for use in a roof in an ore reduction furnace is provided having a pair of refractory blocks with matchable corrugated surfaces. A corrugated plate is provided, with its corrugations having the same wavelength as and a different ampl... | 07/16/1985 |
| 4524702 | Readily repairable and lightweight cover for a heated vessel A lightweight cover provides heat insulation for a heated vessel such as a soaking pit. The cover can be readily assembled in a manner providing for ease of repair plus simplicity of maintenance. The cover has a pair of opposing frame members with ceramic... | 06/25/1985 |
| 4473015 | Self-supporting fabric reinforced refractory fiber composite curtain Refractory fiber blankets are made suitable for use as baffles, curtains or partitions in furnaces and other high temperature equipment by reinforcement fabric woven from high temperature refractory fiber yarn. The curtains so formed are easily installed ... | 09/25/1984 |
| 4463689 | High temperature furnace nose construction A suspended nose construction for high temperature furnaces providing refractory replacement from the cold side of the refractory has a plurality of wedge-shaped refractories arranged to form a wedge row along the length of the nose adjacent, on at least ... | 08/07/1984 |
| 4421480 | Ceiling beam construction for heating furnace An improved ceiling beam construction for a heating furnace in which ceiling beams having closed cross sections are adopted for utilizing the interior of the beams as ducts for passing gases through them so as to reduce spaces required for installing sepa... | 12/20/1983 |
| 4413572 | Adjustable support assembly for open hearth furnace The brackets connecting the furnace roof support beams to the buckstays of an open hearth furnace sidewall are reversible to provide for vertical shifting of the furnace roof support structure. The support brackets comprise a pair of symmetrical bracket p... | 11/08/1983 |
| 4411621 | Furnace wall construction A forge furnace chamber has rear, side and top walls each defined by an expanded sheet metal member and U-shaped mats of ceramic fiber insulating material supported thereon. First ones of the U-shaped mats have the closed ends thereof abutting the corresp... | 10/25/1983 |
| 4323718 | Arc furnace roof The invention relates to an arc furnace roof. The roof is comprised of a metal cover which is bolt-connected to the furnace shell. Secured to the lower side of the cover is a plurality of shackle hooks, each of said shackle hooks having an anchor bolt hoo... | 04/06/1982 |
| 4317418 | Tile hanger assembly An anchor tile hanger for anchoring refractory brick to the roof of a furnace structure is comprised of a pair of vertically spaced apart plates having aligned cutouts in the upper edges which cutouts are adapted to engage the lower horizontal portion of ... | 03/02/1982 |
| 4287839 | Apparatus for lining the inner walls of industrial furnaces The invention relates to an apparatus for lining the inner walls of industrial furnaces with a plurality of insulating blocks, each block comprising an insulating mat which is folded in corrugated manner and possibly stitched in this shape, the insulating... | 09/08/1981 |
| 4253410 | Relief brickwork over opening in refractory brick wall A refractory brickwork wall having an opening therethrough has incorporated therein, at a position above the opening, a relief brickwork configuration in the form of a gable or roof. The relief brickwork includes a plurality of relief bricks each having a... | 03/03/1981 |
| 4132852 | Cooled roof of electric furnace A roof in which beams-headers rest on a roof ring and carry loop-shaped tubes suspended from and coupled with the said beams-headers which are running transversely to the framework tubes. Welded edgewisely to the top generatrices of the tubes are metal st... | 01/02/1979 |
| 4122642 | Refractory liner block A lining block for lining the wall of a kiln furnace or the like according to one aspect of the present invention consists of a body of a refractory material having a passage extending from its inner face to its outer face and an anchor plate secured with... | 10/31/1978 |
| 4095935 | Furnace with plenum arches An improved furnace design for carrying out the catalytic steam reforming of hydrocarbons, including an air delivery and burner system which extends across the top of the furnace. The air delivery system includes a plurality of air ducts each forming a pl... | 06/20/1978 |
| 4083155 | Thermally insulated enclosure A free standing thermal enclosure for use as part of an oven, furnace or refrigeration system, including a plurality of adjoining insulating walls and a ceiling spaced inwardly from and supported by an open skeletal framework. The walls and ceiling are fo... | 04/11/1978 |
| 3967048 | Dual ring supported roof for electric arc furnace A dual-ring roof is provided for an electric arc furnace which may be suspended for lift-off and on operation with respect to a receiving mouth ledge portion about a charging opening in the furnace. The rings are radially spaced with respect to each other... | 06/29/1976 |
| 3948193 | Vault for furnaces A novel vault for industrial furnaces, such as glass-making and metallurgical furnaces, comprised of a plurality of arches arranged side-by-side and each composed of a plurality of archstones made of fused cast refractory material. The archstones include ... | 04/06/1976 |
| 3946502 | Parison oven having adjustable ceiling An oven for uniformly heating parisons to a target temperature, including a movable wall portion which is raised and lowered to accommodate parisons of various axial lengths. The movable portion maintains a confined flow path to minimize stray air current... | 03/30/1976 |
