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| Number | Title | Issue Date |
| 7976797 | Advanced materials for regenerative pyrolysis reactors, methods, and reactors using the same In one aspect, the invention includes an apparatus for pyrolyzing a hydrocarbon feedstock in a regenerative pyrolysis reactor system, the apparatus comprising a regenerative pyrolysis reactor comprising a stabilized refractory grade zirconia in a reactive region of ... | 07/12/2011 |
| 7435395 | Alkaline cell with flat housing and nickel oxyhydroxide cathode An alkaline cell having a flat casing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising nickel oxyhydroxide. The casing can have a relatively small overall thickness, typically between about 5 and 10 mm, but may be larg... | 10/14/2008 |
| 7261874 | Gas phase electrolyzer process for producing hydrogen The invention provides a method for a sulfur based hydrogen production cycle wherein the sulfur products are maintained in a gaseous state throughout the cycle. The cycle includes a decomposition of a gaseous phase sulfur trioxide to sulfur dioxide and water in a de... | 08/28/2007 |
| 7211180 | Contamination-resistant gas sensor element A contamination-resistant sensor element and methods for making the same are provided. A sensor element may include a contamination-resistant coating on at least a portion thereof. The coating may comprise gamma-delta alumina and lithium oxide and may have a thickne... | 05/01/2007 |
| 7179313 | Regenerative autothermal catalytic steam reformer A compact steam reformer produces hydrogen to power a fuel cell, such as can be used in a vehicle. The steam reformer includes a first channel, at least partly coated with a steam reforming catalyst, and a second channel, at least partly coated with a combustion cat... | 02/20/2007 |
| 7080961 | Distribution assembly for particulate material An assembly for distributing particulate material comprising a blower assembly which is preferably removably mounted on a mobile platform and structured to generate a forced flow of air along a flow path and through a manifold assembly connected to a supply of mater... | 07/25/2006 |
| 7067088 | Stratified flow chemical reactor A polymerization reactor for exothermic liquid phase reactions comprises a reaction zone which is divided into a plurality of channels by thermally conductive heat transfer fins which are conductively mounted on one or more heat pipes for the removal of heat of reac... | 06/27/2006 |
| 6932949 | Reactor structure as a heat exchanger layer stacking construction and method of making same A reactor structure has a heat transfer layer stacking construction with a stack of heat-conductive plate elements which, alternating in the stacking direction, bound one catalyst-filled reactor layer and one tempering layer respectively, adjacent plate elements bei... | 08/23/2005 |
| 6878362 | Fuel processor apparatus and method based on autothermal cyclic reforming In a fuel processor based on autothermal cyclic reforming process, the fuel processor having a reformer, the reformer having two reactors with integrated heat exchangers, the two reactors cycling between a reforming step and a regeneration step, a method of generati... | 04/12/2005 |
| 6835360 | Compact endothermic catalytic reaction apparatus A compact endothermic catalytic reaction apparatus for converting hydrocarbon feedstock and methanol to useful gases, such as hydrogen and carbon monoxide, comprising a tubular endothermic catalytic reactor, a radiant combustion chamber and an annular convection sec... | 12/28/2004 |
| 6676907 | Arrangement for generating a hydrogen-containing gas An arrangement for generating a hydrogen-containing gas from a hydrocarbon-containing medium includes a multi-stage reforming unit that is connected to a multi-stage carbon monoxide removal unit by a heat-conducting separating medium. The stages of the re... | 01/13/2004 |
| 6589395 | Distillation plant with a column and a heat pump The distillation plant comprises a column (1) and a heat pump (4, 5) which operates between a sump vaporizer (3) and an exhaust vapor compressor (2) of the column. The heat pump is substitutable by devices (6, 7) which can be switched to the sump vaporize... | 07/08/2003 |
| 6423275 | Regenerative devices and methods The present invention is directed to an apparatus for directing process fluids through regenerative systems using a Multi-Port Valve Assembly. Any number of process fluids can be directed through any number of regenerative devices in a regenerative system... | 07/23/2002 |
| 6296679 | Method for hydrocarbon steam reforming In a process for hydrocarbon steam reforming, a primary reformed gas is produced from a mixed gas of hydrocarbon and steam with use of a primary reforming means including an external combustion type of reforming furnace. A secondary reforming reaction of ... | 10/02/2001 |
| 6210645 | Honeycomb regenerator A honeycomb regenerator is constructed by (a) honeycomb structural bodies arranged in a high temperature portion, in which a temperature is over 1250° C. during a normal operation, made of aluminum-titanate or a combination of aluminum-titanate and mulli... | 04/03/2001 |
| 6187273 | Reactor for catalytically processing gaseous fluids A reactor for catalytically processing gaseous fluids including fluid-path forming elements spaced from each other and forming a plurality of adjacent first and second channels through which fluid flows in opposite directions, with each of the first and s... | 02/13/2001 |
| 6019940 | Method of processing industrial air stream for medical sterilizers An improved method for processing an industrial sterilization agent utilized to sterilize medical instruments includes the use of a regenerative thermal oxidizer. The sterilization agent is removed from the sterilization chamber and directed into the comb... | 02/01/2000 |
| 5846494 | Reactor for catalytically processing gaseous fluids A reactor for catalytically processing gaseous fluids including fluid-path forming elements spaced from each other and forming a plurality of adjacent first and second channels through which fluid flows in opposite directions, with each of the first and s... | 12/08/1998 |
| 5770162 | Horizontal regenerative thermal oxidizer unit A regenerative thermal oxidizer unit comprising two heat regenerator units in which a gas to be purified from VOCs passes through the units in an essentially horizontal direction.... | 06/23/1998 |
| 5700434 | Reactor for catalytically processing gaseous fluids A reactor for catalytically processing gaseous fluids. The invention relates to a reactor for catalytically processing gaseous fluids wherein the catalytic reaction is accompanied by a heat exchange, stationary catalysts are used, with the fluid flowing t... | 12/23/1997 |
| 5700433 | Rotary valve for regenerative thermal oxidizer There is disclosed herein a system for use in a regenerative thermal oxidizer to position a rotatable valve body relative to a lower fixed surface and an upper surface and support the valve body from the lower surface. However, the support and positioning... | 12/23/1997 |
| 5656244 | System for reducing NOx from mobile source engine exhaust A process and system for reducing cold start NOx, carbon monoxide, and hydrocarbon emissions from mobile source engine exhaust utilizes adsorption and desorption of NOx compounds on a regenerable sorbent material. Molecules of NO | 08/12/1997 |
| 5643538 | Heat transfer and thermal cleaning rotary device applied to gaseous effluents A heat transfer device includes a ring having a vertical axis that can rotate inside a cage. The ring is inwardly provided with partitions. A permanent circulation of gaseous effluents is established on one hand between an effluent delivery pipe and a cen... | 07/01/1997 |
| 5628968 | Apparatus for purifying pollutant-containing waste air from industrial plants by regenerative afterburning An apparatus for purifying pollutant-containing waste or exhaust air from industrial plants by means of regenerative afterburning includes a heat exchanger in the form of a heat exchanger fill. The material for the heat exchanger fill is a sponge-like foa... | 05/13/1997 |
| 5589142 | Integrated regenerative catalytic oxidation/selective catalytic reduction abatement system A system for the abatement of industrial process emissions comprises a catalytic oxidizer and a selective catalytic reduction bank integrated into a single housing. The system utilizes at least two regenerative chambers in a controlled abatement process. ... | 12/31/1996 |
| 5569031 | Combustion device A combustion device (1) incorporated in an apparatus for combustion and/or decomposition of pollutants in air or other gases. The device has a stationary bed of e.g. sand having heat-accumulating and heat-exchanging properties. The bed is provided with he... | 10/29/1996 |
| 5538693 | Varying switching temperature set-point method for bed flow reversal for regenerative incinerator systems A method for controlling gas flow direction through a regenerative incinerator system coupled to a flow reversing valve, and for reversing the flow direction of the gas stream through the regenerative incinerator system. The regenerative incinerator syste... | 07/23/1996 |
| 5518697 | Process and catalyst structure employing intergal heat exchange with optional downstream flameholder This invention is an improved catalyst structure and its use in highly exothermic processes like catalytic combustion. This improved catalyst structure employs integral heat exchange in an array of longitudinally disposed adjacent reaction passage-ways or... | 05/21/1996 |
| 5512250 | Catalyst structure employing integral heat exchange This invention is an improved catalyst structure and its use in highly exothermic processes like catalytic combustion. This improved catalyst structure employs integral heat exchange in an array of longitudinally disposed, adjacent reaction passage-ways o... | 04/30/1996 |
| 5419876 | Device for the catalytic purification of automotive exhaust gas A device for the catalytic purification of automotive exhaust gas includes at least one inner casing housing an assembly of corrugated, or corrugated and flat, thin metal sheets carrying a catalyst thereon, and disposed between a gas inlet and a gas outle... | 05/30/1995 |
| 5397548 | Regenerative heat exchanger An apparatus for catalytic reduction of a nitrogen oxide in a waste gas includes a regenerative heat exchanger containing a heat-storage material consisting at least partially of a catalytic material, inlet and outlet conduits for supplying the waste gase... | 03/14/1995 |
| 5336471 | Support of ceramic catalyst Ceramic blocks which may be catalyst coated having gas flow channels therethrough are supported in a metal framework to form a removable basket for a rotary regenerative air heater. The blocks are supported between compressed packing material with individ... | 08/09/1994 |
| 5323842 | Temperature-stabilized heat exchanger A heat exchange module comprises a rotating-wheel type regenerative heat exchanger unit having a plurality of heat exchange elements mounted in baskets through the volume of the heat exchanger wheel. The heat exchanger wheel rotates about its axis so that... | 06/28/1994 |
| 5266487 | Apparatus for the treatment of lignocellulosic materials An apparatus is disclosed for treating lignocellulosic materials, comprising an enzymatic conversion zone adapted to enzymatically convert alcohol to aldehyde and hydrogen peroxide, a delignification zone, a device for transferring an effluent comprising ... | 11/30/1993 |
| 5229071 | Catalytic oxidizer for treating fixed quantities of gases A batch method and apparatus provides controlled release of gaseous air contaminants into the atmosphere through catalytic oxidation while minimizing both the energy required and the volume of waste gas exhausted into the atmosphere. The device has a reci... | 07/20/1993 |
| 5219535 | Heating an endothermic process Apparatus for providing heat to a reaction chamber in which an endothermic reaction is performed under utilization of hot smoke gas includes a barrier, preferably a tubular barrier at least partially enclosing the reaction chamber but being spaced therefr... | 06/15/1993 |
| 5158755 | Chemical processing tank A device for holding and controlling the temperature of a corrosive chemical processing bath. The device has a tank having a bottom intimately covering thermally conductive fins, a heat sink thermally connected to the fins and heaters, connected to the he... | 10/27/1992 |
| 5086831 | Arrangement for the catalytic oxidation of the harmful components in a cooled carrier gas of a technical process An arrangement for the catalytic oxidation of the harmful components in a cooled carrier gas from a technical process. The arrangement includes two parallel gas ducts which are connected at one end through a bend and whose other ends are connected to gas ... | 02/11/1992 |
| 5080875 | Process and apparatus for the purification of hydrogen gas A process for the purification of contaminated hydrogen gas which involves, first, subjecting the hydrogen gas to a preliminary purification with a hydride-forming material which has a low hydrogen storage capacity to remove substantially all of the conta... | 01/14/1992 |
| 4966757 | Sulfur dioxide generator An improved apparatus for burning sulfur to sulfur dioxide and generating sulfurous acid comprising a primary sulfur-burning chamber, a sulfur feed tank closely coupled to the primary chamber, a secondary sulfur burning chamber, and an absorption tower, A... | 10/30/1990 |
