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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7252798 | Hood-type annealing furnace, especially for steel strip and wire bunches The invention describes a hood-type annealing furnace, especially for steel strip or wire bunches, with an annealing base (1) for receiving the material (7) to be annealed, a protective hood (8) which is placed on the furnace in a gas-tight mann... | 08/07/2007 |
| 7134971 | Golf club head A golf club head is disclosed that includes a primary element and an insert element formed of different materials. The insert element is located within a cavity formed by the primary element. The cavity is defined by a portion of the primary element that is of unita... | 11/14/2006 |
| 6912766 | Base pan and cabinet for an air conditioner An air conditioner includes an outdoor section comprising an outdoor coil, a fan, and a refrigerant compressor housed within a cabinet. The cabinet includes an outer wrapper supported by a plastic base. The base and wrapper include features that facilitate the cabin... | 07/05/2005 |
| 6901990 | Method and system for processing castings A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing system. The interior of the mobile furnace is heated so as to maintai... | 06/07/2005 |
| 6264360 | Mixer for container with quick release coupling A container mixer typically comprises a mixer inside a container tank. The mixer comprises a shaft and blades mounted on the shaft, an actuator positioned outside the container tank, and a coupler with which the mixer is coupled to the actuator. The conta... | 07/24/2001 |
| 6214285 | Process for thermal treatment of a plastically moldable workpiece and device for such a thermal treatment A process for heat treatment of a plastically moldable workpiece, by plastically molding the workpiece at a first temperature to form a shape, mechanically restraining the workpiece by means of form-fitting, bringing the workpiece to a second temperature ... | 04/10/2001 |
| 6063331 | Annealing furnaces A bell type annealing furnace structure that includes a base which has a base plate member and an annular channel therearound. A plurality of circumferentially spaced enclosure members are provided, each having a coil support section with support legs dep... | 05/16/2000 |
| 5402994 | Device for heat-treating metal workpieces An apparatus for heat-treating metallic workpieces, which includes two successive furnaces, a feeding device for feeding workpieces to the first furnace, and conveyor means from transporting workpieces from the first to the second furnace. Both furnaces a... | 04/04/1995 |
| 5364080 | High efficient heat treating and drying apparatus and method A zone controlled furnace for heat-treating of metallic and non-metallic stocks positions one or more modular metallic combustion burners in the furnace chamber and along the path of the stock to selectively control the heat supplied to any zone of the fu... | 11/15/1994 |
| 5297959 | High temperature furnace A high temperature, low NOx industrial furnace uses coal-fired burners placed in an arcuate heat track conduit which heats an arcuately configured wall member extending through an opening in the heat track conduit. The heated portion of the wal... | 03/29/1994 |
| 5265851 | Installation for the heat treatment of successive batches The loading car (25) transfers the batch and deposits it on the plug (10) of the furnace (1). The batch is introduced into the furnace (1) and the latter is closed by means of the lift (12) which is lowered after the treatment to an intermediate position,... | 11/30/1993 |
| 5207972 | High temperature furnace A high temperature, low NOx industrial furnace coal-fired burners placed in an arcuate heat track conduit which heats an arcuately configured wall member extending through an opening in the heat track conduit. The heated portion of the wall mem... | 05/04/1993 |
| 5190718 | Machine for thermo-mechanical treatment of parts made of memory alloys A machine for the thermo-mechanical treatment of parts made of memory alloys contains: a thermally insulated chamber connected to a source of gaseous fluid and a support, capable of being introduced into a chamber, for carrying a plurality of crowns super... | 03/02/1993 |
| 5164145 | Rotary furnace oil seal employing endothermic gas purge A rotary oil seal gas purge system for a rotary carburizing furnace, having a rotatable hearth in a furnace chamber containing a high carbon-potential furnace atmosphere comprising an endothermic carrier gas enriched with a hydrocarbon gas, features gas p... | 11/17/1992 |
| 4834345 | Process and apparatus for direct softening heat treatment of rolled wire rods Direct softening heat treatment of rolled wire rods comprises the steps: providing wire rods by hot- or warm-rolling, and immediately following rolling, coiling the rolled wire rods in an annealing furnace. Apparatus therefor comprises an annealing furnace provided... | 05/30/1989 |
| 4813654 | Annealing furnace base construction A base for a heat treating furnace for annealing coils of steel strip. The base supports the coils in a sealed compartment through which an inert gas is circulated, and defines the bottom of the sealed compartment. The base comprises a top plate assembly,... | 03/21/1989 |
| 4757978 | Shape-memory alloy resetting apparatus Apparatus for setting and resetting a portion of a shape-memory alloy part, the apparatus including an enclosing chamber having openings for the portion, a body of solid particles in the chamber, a pressure member connected to the chamber to immobilize th... | 07/19/1988 |
| 4632369 | Coil-annealing spacer Disclosed is a coil-annealing spacer which comprises a pair of upper and lower discs, each having a round hole in the central portion thereof, and longitudinal ribs disposed between the discs and secured thereto and extended radially or spirally radially ... | 12/30/1986 |
| 4621794 | Apparatus for producing a grain-oriented electromagnetic steel strip or sheet In a process for producing a grain-oriented electromagnetic steel strip or sheet by annealing, for primary recrystallization, a cold rolled electromagnetic steel strip or sheet having a final thickness, and subjecting said strip or sheet to secondary recr... | 11/11/1986 |
| 4445852 | Diffusers A load support diffuser adapted to support a vertical stack of coils in an annealing furnace and means for cooling a protective atmospheric gas within said furnace, the diffuser comprising a flat circular base plate, a plurality of outer load support memb... | 05/01/1984 |
| 4423857 | Spacer for batch coil annealing This invention provides a spacer for vertically separating coils in an annealing furnace. The spacer includes a lower segmental plate and an upper segmental plate, and ribs between the segmental plates and affixed thereto. A porous medium is disposed betw... | 01/03/1984 |
| 4415145 | Metal charge treatment apparatus Apparatus for treating a metal charge comprises a box furnace and a container containing material for treating the charge. The box furnace is mounted on props whose length is sufficient to permit the container to be positioned under the furnace. The furna... | 11/15/1983 |
| 4223877 | Annealing furnace A protective sleeve, for a cover used to enclose metal coils in an annealing furnace having a plurality of fuel burners whereby the coils are protected from the direct flame of the burners, comprising a circumscribing band mounted on the cover and held in... | 09/23/1980 |
| 4147506 | Method and apparatus for heating coils of strip Coils of strip to be annealed are placed in a furnace with their eye vertical and are heated to the annealing temperature by heating elements on the furnace side wall at the same elevation as the coils. An insulation shield is provided between the heating... | 04/03/1979 |
