Bizarre Patents
An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7316721 | Ceramic foam insulator with thermal expansion joint A canister for maintaining entrained particles in a gas stream passing there through. The canister has an outer annular member and an inner porous annular member. The inner porous annular member has rings with at least one expansion zone in each ring. An annular int... | 01/08/2008 |
| 7195480 | Shaft preheater The invention relates to a shaft preheater for preheating material in lump form with at least one shaft for receiving the material, a bridge disposed in the shaft for delivering hot gases which flow through the material from the bottom upwards, and a device for fill... | 03/27/2007 |
| 6926522 | Method and apparatus for preheating particulate material An apparatus for preheating particulate material in which the particulate material is transferred from one or more upper storage bins to a circular lower chamber that has an outer, essentially annular, portion which serves as a gas flow passage. The particulate mate... | 08/09/2005 |
| 6908710 | Lithiated molybdenum oxide active materials The invention provides lithiated molybdenum oxides useful as cathode (positive electrode) active materials in rechargeable batteries, especially in lithium ion rechargeable batteries. In one aspect, the invention provides lithiated molybdenum oxides, some of which c... | 06/21/2005 |
| 6453831 | Method for burning lumpy combustion material, especially limestone, dolomite and magnesite, and regenerative shaft furnace for carrying out this method A method for burning lumpy combustion material, in particular limestone, dolomite and magnesite, in a regenerative shaft furnace comprising at least two shafts (1, 2) comprised of a preheating zone (A) as well as a combustion zone (B). The shafts are conn... | 09/24/2002 |
| 6209355 | Method for melting of glass batch materials An apparatus for melting materials is provided comprising a melter body having a batch injection portion including a batch inlet port, a batch melting portion including a batch melting chamber adapted to receive materials from said batch injection portion... | 04/03/2001 |
| 6148540 | Pulverized body drying method and apparatus The present invention provides a particulate drying method and drying apparatus, which can disperse particulates in the drying apparatus, prolong the particulate residence time, and improve the drying conditions, while retaining the advantages of conventi... | 11/21/2000 |
| 6113387 | Method and apparatus for controlling kiln A regenerative shaft kiln having at least two vertical shafts and a plurality of lances for introducing fuel into the kiln, with one or more sensor provided proximate a plurality of the lances, each of the sensors producing a first output signal having a ... | 09/05/2000 |
| 6099301 | Feed apparatus for batch preparation feed mixture for feeding into smelting furnace Feed apparatus for treating and feeding lumpy or granular material to a smelting furnace, which apparatus contains a plurality of silos or sub-silos in which said material is contacted with a gas. The silo or sub-silo contains a cone-shaped gas distributo... | 08/08/2000 |
| 5979191 | Method and apparatus for melting of glass batch materials An apparatus for melting materials is provided comprising a melter body having a batch injection portion including a batch inlet port, a batch melting portion including a batch melting chamber adapted to receive materials from said batch injection portion... | 11/09/1999 |
| 5915959 | Method and apparatus for preheating particulate material A preheating apparatus for particulate material includes a plurality of vertical chambers, a temperature sensor within each chamber and a particulate discharge mechanism. Each chamber is segregated from an adjacent chamber by a vertical wall and includes ... | 06/29/1999 |
| 5890889 | Shaft furnace An improved hearth section for a shaft furnace may comprise a plurality of splines mounted to the side wall of the hearth section in spaced-apart circumferential positions so that each of the splines extends radially inward from the side-wall and into the... | 04/06/1999 |
| 5738511 | Vertical shaft kiln This invention relates to a a vertical shaft kiln (VSK) useful for manufacturing cement and other allied products, which comprises a rotary nodule feeder for feeding the raw materials, fitted above the kiln bed for uniform distribution of nodules of the r... | 04/14/1998 |
| 5702246 | Shaft furnace for direct reduction of oxides A shaft furnace for reduction of oxides includes a shaft member having an oxide inlet and defining a pre-heating and pre-reducing zone downstream of the oxide inlet, a reducing zone downstream of the pre-heating and pre-reducing zone a transition zone dow... | 12/30/1997 |
| 5607297 | Moving bed process for carbothermally synthesizing nonoxide ceramic powders Carbothermally reduce a metal oxide to its corresponding metal nitride or metal carbide powder in a vertical gravity flow reactor by adding precursor pellets containing the metal oxide, a thermally decomposed binder material and carbon or a source of carb... | 03/04/1997 |
| 5580241 | Multistage circulating fluidized bed A circulating fluidized bed thermal reactor such as a boiler or gasifier, having the riser divided into a sequence of stages by a plurality of restrictions which create multiple beds dynamically suspended. Circulation occurs below transport velocity, soli... | 12/03/1996 |
| 5556274 | Drying apparatus and method for pumpable materials A particulate material drying apparatus and method including a pulse combustor and an associated combustion chamber. Fuel and combustion air are introduced to the combustion chamber whereby the combination of the pulse combustor and combustion chamber gen... | 09/17/1996 |
| 5462433 | Device for blowing preheated air into a shaft furnace The present invention relates to a device for blowing preheated air into a shaft furnace, comprising several separate tubular elements, wherein an outer shielding made of steel and an inner lining made of cast refractory concrete are connected in pairs by... | 10/31/1995 |
| 5460517 | Shaft kiln for burning a lumpy mineral charge The kiln operating according to the parallel-flow-regenerative process has two shafts (2, 3), which at the transition from the burning zone (14) to the cooling zone (15) have a widening forming an inner step (38) at which the combustion gases are transfer... | 10/24/1995 |
| 5401166 | Method and furnace for burning waste A method and a combustion furnace are provided by means of which waste which is predominantly of organic nature can be burnt effectively and uniformly. The combustion furnace comprises two bottlenecks, one above the other, constituted by rocking grates. T... | 03/28/1995 |
| 5252063 | Cooling device for the distribution chute of an installation for charging a shaft furnace A device is proposed for cooling the distribution chute of an installation for charging a shaft furnace. This installation comprises a feed channel, a rotary collar and a rotary cage, a fixed outer housing, a distribution chute mounted in a pivoting manne... | 10/12/1993 |
| 5249959 | Device for the rapid repair of a blast-furnace plate A device repairs worn depressed surfaces around a tap hole opening in a blast furnace plate. The device includes a preformed frusto-conical member made of a refractory material that is flexible and rapidly baked. A ferrule is formed of frangible material ... | 10/05/1993 |
| 5238400 | Apparatus for distributing pneumatically conveyed solid pulverulent material An apparatus for distributing pneumatically conveyed solid pulverulent material over an annular area of large diameter comprises an enclosure defining an annular chamber having a substantially vertical axis, a closed upper end and a lower end, an upper po... | 08/24/1993 |
| 5209657 | Device for injecting preheated air into a shaft furnace and process of manufacturing ball-and-socket joints A device is presented for injecting preheated air into a shaft furnace and comprises of a plurality of tubular elements provided with a refractory lining, which are connected to each other by a ball-and-socket articulation and an expansion joint. The ball... | 05/11/1993 |
| 5165888 | Gravity flow thermal process for reclaiming foundry sand A method and apparatus for thermally reclaiming used foundry sand is disclosed. The apparatus includes a vertically disposed furnace having a combustion chamber therein. A sand dispersion system supported within the combustion chamber disperses the free f... | 11/24/1992 |
| 5161967 | Process and device to feed additives into a shaft or cupola furnace A process and device for introducing additives, in particular energy carriers, into a cupola or shaft furnace. The additive is carried with combustion air stream and introduced therewith in the furnace shaft, a depression being created at the point where ... | 11/10/1992 |
| 5119743 | Device for injecting preheated air into a shaft furnace The device comprises an oblique portion connected by a gooseneck, a nozzle, atuyere and a ball-and-socket joint to the wall of the furnace, in which the oblique portion comprises a tapered tube flange-mounted by its upper part onto an upper connection pie... | 06/09/1992 |
| 5118288 | Cement advanced furnace and process A suspension shaft furnace and process for producing clinkers from discrete pellets of cement-forming batch materials, the furnace having a top vertical shaft section comprising a pellet-feeding and preheating zone, an intermediate fluidized bed section c... | 06/02/1992 |
| 5110288 | Gravity flow thermal process for reclaiming foundry sand A method and apparatus for thermally reclaiming used foundry sand is disclosed. The apparatus includes a vertically disposed furnace having a combustion chamber therein. A sand dispersion system supported within the combustion chamber disperses the free f... | 05/05/1992 |
| 5070797 | Process and device to feed additives into a shaft or cupola furnace A process and device for introducing additives, in particular energy carriers, into a cupola or shaft furnace. The additive is carried with combustion air stream and introduced therewith in the furnace shaft, a depression being created at the point where ... | 12/10/1991 |
| 5044942 | Cement shaft suspension furnace and process Process and furnace for producing clinkered cement pellets from pellets of cement-forming batch materials without melting, fusion and agglomeration of said pellets. The furnace comprises an elongate vertical suspension shaft having top, intermediate and b... | 09/03/1991 |
| 5020992 | Shaft furnace A shaft furnace with a steel outer shell and a refractory lining inside the shell, has a sealed tap hole structure comprising a steel sleeve fitted to the outer shell, a permanent lining inside the sleeve and a refractory sealing material within said perm... | 06/04/1991 |
| 5007825 | Heat reclamation apparatus The apparatus herein comprises a kettle for calcining particulate material and a surrounding furnace having a porous wall to pass heat of combustion into the kettle at one side and to permit evacuation of the products of combustion from an opposite side, ... | 04/16/1991 |
| 4987838 | Device for injecting preheated air into a shaft furnace The device is composed of several separate elements consisting of at least one central tubular element connected, on one side, by means of a first ball-and-socket joint and a first compensator to a first connector supplying preheated air and on the opposi... | 01/29/1991 |
| 4975046 | Cement shaft suspension furnace and process Process and furnace for producing clinkered cement pellets from pellets of cement-forming batch materials without melting, fusion and agglomeration of said pellets. The furnace comprises an elongate vertical suspension shaft having top, intermediate and b... | 12/04/1990 |
| 4948468 | Oil shale retort apparatus A retorting apparatus including a vertical kiln and a plurality of tubes for delivering rock to the top of the kiln and removal of processed rock from the bottom of the kiln so that the rock descends through the kiln as a moving bed. Distributors are prov... | 08/14/1990 |
| 4948364 | Lime kilns An annular, vertical shaft kiln comprising a cascading process path with varying cross sectional area, in which the coarse charge particulants tend to follow the longer path near the walls as does the gas being injected into the mid-region of the kiln, wh... | 08/14/1990 |
| 4940005 | Device for injecting preheated air into a shaft furnace The device is composed of several tubular elements equipped with an inner refractory lining and connected, on one side, to the wall of the furnace by means of a downpipe, an elbow, a tuyere and a nozzle and, on the other side, to a main circular pipeline ... | 07/10/1990 |
| 4886448 | Shaft installation for processing of fuel-containing solid materials A shaft kiln installation is used to burn pellets of solid materials containing volatile and/or solid fuels and at the same time to calcinate minerals. For this purpose, the installation uses in the heating, degassing (1,04) and combustion zones (1,06) a ... | 12/12/1989 |
| 4867676 | Thermal decomposition furnace An apparatus for the thermal decomposition of a fluid toxic substance contained in a gas comprises a cylindrical main combustion chamber and a secondary combustion chamber arranged thereabove. An inlet opening leads into the main combustion chamber at an ... | 09/19/1989 |
