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| Number | Title | Issue Date |
| 6682705 | Method for conducting reactions in fluidized particle layers The invention relates to a process for carrying out reactions in fluidized beds with transversal introduction of a reactant selected from oxygen or an oxygen-containing gas and a combustible reactant into a fluidized particle bed by transversal injection ... | 01/27/2004 |
| 6634178 | Method for adjusting the pressure in a cryogenic tank and corresponding device In a prior-art method to regulate the pressure inside a cryogenic tank containing cold gas when a main stream for a consumer is withdrawn, heated gas in the form of a heating gas secondary stream, which is regulated as a function of the tank pressure, is ... | 10/21/2003 |
| 6244860 | Apparatus and process for producing perlite In an apparatus for producing perlite granules, having an expansion tube and one or more burners arranged at one end of the expansion tube, the combustion air is blown into the flame through one or more combustion air nozzles. An additional subsonic nozzl... | 06/12/2001 |
| 6237836 | Protective gas for tig welding The invention relates to a protective gas for TIG welding of metals, especially high alloy or low alloy steel, whose thermal conductivity is lower than that of aluminium. The inventive gas consists of argon, helium and hydrogen and enables significant imp... | 05/29/2001 |
| 5582779 | Process and apparatus using liquefied gas for making plastic particles The invention relates to a process for the solvent-free and dry production of particles from plastics. According to the invention, the plastic is heated to form a viscous material, in this form, is conveyed as material stream through an outlet into a comm... | 12/10/1996 |
| 4829783 | Device for the controlled freezing of viscous liquids A device for the controlled deep freezing of viscous liquids by means of a low boiling liquified gas is used for producing drops from the liquid, which are frozen to pellets in a liquid nitrogen bath. The device includes a container arranged above the bat... | 05/16/1989 |
| 4830066 | Device for filling and emptying pressure cylinders located on pallets A device for filling and emptying pressure gas cylinders includes a manifold attached to the pallet via a shut-off valve. The fill and emptying stations are provided with nipples connected by a hose to one of the pressure gas cylinders.... | 05/16/1989 |
| 4802598 | Closing for a discharge-proof cryocontainer A closure for a discharge-proof cryocontainer includes a locking stopper which can be inserted in the container neck while forming a gas escape gap. The gas escape gap is filled at least in part over the entire circumference with a polyamide foam.... | 02/07/1989 |
| 4800189 | Mass for removal, through chemical sorption, of homogeneously dissolved impurities, particularly oxygen, from gases or liquids A mass for removal through chemical sorption of oxygen and water vapor and their reactive hydrides consists of a heat-resistant oxidic carrier having a large surface area and is doped with a component that is activated with molecular oxygen at from 300° ... | 01/24/1989 |
| 4772337 | Compress gas container of austenite steel alloy A compress gas container is made from Austenite steel alloy and is later strengthened or stabilized by cryo-deformation. The Austenite steel alloy is a metastable CrNi steel with a combined titanium and niobium content no greater than 0.02% by weight and ... | 09/20/1988 |
| 4768535 | Device for the cooling of large, rubber-coated tanks with liquid nitrogen A device for cooling rubber-coated large containers with liquid nitrogen to crack and remove the rubber coating includes at least one annular duct with sprayers for directing the liquid nitrogen against the inside of the container. At least one axially di... | 09/06/1988 |
| 4739625 | Device for freezing foodstuffs inside a tray cart A device for freezing foodstuffs on a tray cart includes a liquid cryogenic refrigerant spraying system for each side of the cart. The spraying systems are activated by reversible magnet valves. Rotary fans circulate the vaporized refrigerant. The fans ar... | 04/26/1988 |
| 4714617 | Procedure for segregation of mixture of substances containing organic components Mixtures of substances containing organic components are segregated by extraction with a gaseous solvent in high pressure extraction. One additive component is admixed to the charged solvent, whereby the solvent capacity of the solvent is strongly reduced... | 12/22/1987 |
| 4705189 | Double walled insulated container for storing low boiling liquified gases A double walled insulated container for storing low boiling liquified gases includes inner and outer containers with insulation therebetween. A tubular neck connects the openings of both containers. The joints between the neck tube and the respective cont... | 11/10/1987 |
| 4704068 | Process for introducing an adsorption agent An adsorption agent is introduced in the insulation chamber of a vacuum insulated double walled vessel for the storage of low-boiling liquefied gases. Specifically the adsorption agent is installed in the chamber before producing the vacuum by housing the... | 11/03/1987 |
| 4698976 | Device for producing a cold treatment gas A device is provided for producing a cold treatment gas from nitrogen and air for the cryotherapy of rheumatic diseases in which liquid nitrogen vaporizes and is mixed in the desired ratio with the dry air which is at a higher pressure. The device include... | 10/13/1987 |
| 4693252 | Device for generating dry, cold gas flow A device for generating a dry cold gas flow by evaporating a low-boiling liquefied gas for cold therapy for rheumatic diseases includes a vessel for accommodating the low-boiling liquefied gas. A hose line is connected to the vessel with an interchangeabl... | 09/15/1987 |
| 4688603 | Insulated hose of synthetic material A hose is formed as a spiral component hose of synthetic material, which is surrounded by a gas-tight corrugated hose of fiberglass weave coated with aluminum. The insulation for the hose consists of several sequential layers of synthetic material felts a... | 08/25/1987 |
| 4663244 | Filler containing easily oxidizable elements A filler containing easily oxidizable elements such as aluminum, titanium, zirconium, rare earth metals as well as a powder combination containing fluorides and carbonates is used for fusion welding steel, nickel and cobalt alloys and corresponding castin... | 05/05/1987 |
| 4656010 | Device for producing ozone A device for producing ozone is characterized by an inner electrode made from a plurality of metal wires. Accordingly, the diameter of the outer electrode is correspondingly reduced. The ratio of the outer diameter electrode to the inner diameter electrod... | 04/07/1987 |
| 4537043 | Procedure for creating an inert gas atmosphere with constant composition of nitrogen and carbon dioxide in a refrigerated container An inert gas atmosphere of nitrogen and carbon dioxide is created in a refrigerated container having a diesel engine. A lower oxygen content is maintained by an oxygen limit control while the nitrogen is led into the interior of the container from a gas b... | 08/27/1985 |
| 4532779 | Device for generating a dry, cold air flow for treatment of rheumatic diseases A device for generating a dry, cold air flow in the treatment of rheumatic diseases includes a cyclone separator as its heat exchange device. The intake line of the cyclone separator is connected to the outlet line of the blower means of a line in which t... | 08/06/1985 |
| 4533078 | Welding and/or cutting torch A vertically movable welding and/or cutting torch is automatically disconnected from its drive when the torch bumps into a work piece.... | 08/06/1985 |
| 4389366 | Process and device for cooling hollow synthetic material profiles A hollow synthetic profile is cooled during extrusion by direct heat exchange through the introduction of under-cooled liquid nitrogen under a pressure of 2 to 8 bar into the hollow interior by means of a boring in the arbor of the extrusion tool with an ... | 06/21/1983 |
| 4378483 | Device for moving a welding torch during the welding of seams, especially of circumferential seams A device for moving a welding torch during the welding of seams, particularly circumferential seams, includes a chassis driven by a feed motor with a feed motor control unit and includes a decelerating/accelerating device for the feed motor.... | 03/29/1983 |
| 4358657 | Sealing system for a movable vacuum chamber of a charged particle beam machine A system for sealing the working vacuum chamber of a charged particle beam machine which is movable with respect to a workpiece is disclosed. The system includes a housing with a central compartment having wire-shaped elements urged against the workpiece ... | 11/09/1982 |
| 4061899 | Arrangement for stabilization and ignition of welding arcs by ignition pulses Welding arc stabilizing and igniting is effected with at least one pulse-forming condenser switched by spark gap or semiconductor switch to deliver a sharp discharge pulse through the winding of a pulse transformer, the magnetic energy thus built up in th... | 12/06/1977 |
| 3994141 | Process for cooling by means of a cryogen slush A process for cooling by means of a low-boiling gas comprises the steps of continuously producing a gas slush and conveying it from the location of its production to the place of consumption. The gas slush releases its heat of fusion at the place of consu... | 11/30/1976 |
| 3984994 | Process and device for filling multilayer pressure containers Process for filling multilayer pressure containers with cold liquids below -10°C. comprises steps of cooling container from outside thereof inwardly to temperature that approximately corresponds to temperature of liquid to be filled. After such cooling t... | 10/12/1976 |
