Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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 |
| 8092214 | Method for continuous mixing and melting inorganic salts and furnace installation for realizing the method The invention relates to a method for the continuous melting of inorganic salts and a furnace installation for realizing the method. Solid salts are fed into a furnace with the aid of a feeding unit. The salts contained in the furnace are heated. A flow of the salts... | 01/10/2012 |
| 6193503 | Ash melting furnace and ash melting method thereof The object of this invention is to provide an ash-melting furnace which can respond to fluctuations in the load and which will be capable of highly efficient and stable operation. In an ash-melting furnace which heats and melts the primary ash and the fly... | 02/27/2001 |
| 6095803 | Thermoplastic adhesive materials conveying system This invention relates to a Hot Melt Glue Conveying System and in particular to a system for improving the material handling of thermoplastic adhesive chips to provide the uninterrupted flow of hot melt glue to packaging production lines. This invention r... | 08/01/2000 |
| 6086361 | Melt treatment apparatus A melt treatment apparatus is provided which obviates an increase in floorspace and in cost and has freedom from a danger of steam explosion and further can control melt discharging with reliability. The welt treatment apparatus 1 is constructed with a furnace... | 07/11/2000 |
| 6053728 | Furnace A furnace having sidewalls to form an enclosure to contain a melt. One or more burners are positioned to fire into the enclosure to maintain the melt and one or more charge wells are separated from the enclosure by the sidewalls. A charge of material to b... | 04/25/2000 |
| 5997291 | Hot-melt material for heating plate A heating element assembly for use in a rapid prototype modeling machine is described. The heating element of the hot melt assembly and an associated product container deliver hot melt product to the jets of the rapid prototype modeling machine.... | 12/07/1999 |
| 5989020 | Multiple stage heating apparatus A heating apparatus includes at least first and second burners located in a combustion chamber wherein the burners are separated by a divider for deterring uncombusted fuel flowing from a firing burner to an area adjacent to a non-firing burner. In anothe... | 11/23/1999 |
| 5947721 | Recycling apparatus for obtaining oil from plastic waste A recycling apparatus for obtaining oil from waste plastic by thermal decomposition having a tank proper with a hopper to charge the waste plastic and multiple heating pipes disposed above one another which communicate with one another in the tank proper.... | 09/07/1999 |
| 5759022 | Method and system for reducing NOx and fuel emissions in a furnace In a method of this invention, a first oxidant flow including oxygen and/or air, is injected into an exhaust gas flow from a primary burn zone in a furnace combustion chamber. The first oxidant flow is injected into the exhaust gas flow in a secondary bur... | 06/02/1998 |
| 5700144 | Method and apparatus for thermal treatment of solids During thermal treatment in a melting cyclone of solids that yield molten products at treatment temperatures, an exhaust gas is separated from the melt in an apparatus following the melting cyclone. The separation of the exhaust gas is implemented in a cy... | 12/23/1997 |
| 5601427 | Waste melting furnace and a method of melting wastes A furnace body is partly or thoroughly made of a metal material. An inner peripheral face of the metal material portion is covered by a lining. Spray means for cooling the lining of a relatively thin portion via the metal material portion of the furnace b... | 02/11/1997 |
| 5577907 | Hot gas heating device Hot gas heating devices are disclosed for heating an end of a tubular body before it is heat sealed, including a nozzle casing having a nozzle cavity, a heating nozzle disposed within the nozzle cavity, whereby the heating nozzle can be mounted at a prede... | 11/26/1996 |
| 5417731 | Method of heating a charge, including injecting secondary oxidant into the output port A combustion method wherein oxidant and fuel are provided into a charged furnace in a substantially stoichiometric ratio for relatively complete combustion and secondary oxidant is provided in a defined manner outside the furnace for further combustion wi... | 05/23/1995 |
| 5380500 | Process for separating vaporous heavy metal compounds from a carrier gas and apparatus for carrying out the process A process and apparatus for the separation of vaporous heavy metal compounds from a carrier gas wherein the heavy metal compounds are cooled and desublimed. An apparatus for carrying out this process has a melting furnace with a discharge opening for a ga... | 01/10/1995 |
| 5374120 | Modified passive liquid in-line segmented blender A liquefying apparatus for melting and blending solid materials includes a hopper with a coiled heating element disposed therein which supports and melts the solid materials into liquid form. The hopper is segmented into a plurality of compartments and as... | 12/20/1994 |
| 5320050 | Ash melting furnace An ash melting furnace for heating and melting ashes by a burner. The furnace body is formed with a preheating chamber and a melting chamber. Of the bottom wall of the melting chamber (12), the portion closer to the charging port is convex in transverse c... | 06/14/1994 |
| 5275793 | Direct coupled degasser and liquefier The present invention describes a method and apparatus in which solid gelatin chunks are liquefied, tempered, and debubbled in a single operation. The debubbling step is accomplished by evacuating and sealing off the loaded solid reservoir and heat exchan... | 01/04/1994 |
| 5211555 | Melting apparatus and method A gas fired melting apparatus for particulate material. The melting apparatus has four successively connected vertically disposed sidewall members, a floor member and a roof member. These members define a cubic melting chamber for containing a freestandin... | 05/18/1993 |
| 5128004 | Method for processing ash residues as well as glaze-kilns useful therein A method for processing ash residues and other solide combustion products, derived from combustion of waste materials in furnaces whereby the ash and other combustion products are gradually supplied in a continuous manner into the high side of a glaze-kil... | 07/07/1992 |
| 5066223 | Melting and casting furnace A melting and casting furnace (1) for the production of directionally solidified or monocrystalline structures includes a housing (2) having a heating apparatus (3), and a cooling ring (4) disposed thereunder, as well as a cooling table (5) for the placem... | 11/19/1991 |
| 4907629 | Apparatus for liquefying a thermoplastic plastic An apparatus for liquefying a polyurethane based thermoplastic adhesive which includes a heatable sealed supply container having an upper portion for receiving a downwardly open transport container for the adhesive and a lower portion serving as a buffer ... | 03/13/1990 |
| 4889004 | Apparatus for driving an oscillating spout An apparatus for driving an oscillating spout capable of pivoting about two orthogonal axes under the action of a pivoting control arm having the same degrees of liberties as the spout is presented. The driving apparatus includes a control mechanism which... | 12/26/1989 |
| 4848420 | Apparatus for liquefying a thermoplastic plastic An apparatus for liquefying a polyurethane based thermoplastic adhesive which includes a heatable sealed supply container having an upper portion for receiving a downwardly open transport container for the adhesive and a lower portion serving as a buffer ... | 07/18/1989 |
| 4781581 | Melting and holding furnace Melting and holding furnace in which melting (1) and holding (2) chambers are separated from one another, and are connected via openings (6). The holding chamber is designed to be deeper in order to receive the melt which flows out of the melting chamber ... | 11/01/1988 |
| 4687438 | Shaft melting furnace for melting metals A shaft melting furnace for melting metals is proposed with an interior receiving the molten bath, a charging shaft for supplying the melting stock and a burner supplying heat to the latter. The charging shaft is funnel-shaped and passes into a melting zo... | 08/18/1987 |
| 4634368 | Apparatus for improving the surface characteristics of waxy materials An apparatus and method for improving the surface characteristics of wax-based material such as a deodorant or anti-perspirant stick housed in a container is provided. The apparatus comprises a hollow walled housing having an inlet and outlet portion. A p... | 01/06/1987 |
| 4226588 | Smelting furnace A smelting furnace for metal such as aluminum or aluminum-base alloy having a relatively low melting point comprising a rotatable lower furnace body having an upper opening and an upper furnace body secured to a frame and having a lower opening for coveri... | 10/07/1980 |
| 4208043 | Holding vessel There is provided a vessel for molten metal, wherein the vessel walls containing said molten metal are constructed of rigid ceramic plates. The vessel walls along those edges along which they are connected together are provided with L- or Z-joints. Mutual... | 06/17/1980 |
| 3932115 | Vented hopper with improved feed system An apparatus and method for feeding polymeric material to processing and mixing equipment is disclosed which includes a hopper located radially from the axis of rotation of the processing equipment in the direction of rotation and with walls that are incl... | 01/13/1976 |
