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| Number | Title | Issue Date |
| 7608344 | Metal honeycomb substrates for chemical and thermal applications Extruded metal honeycombs are produced by the direct extrusion of a softened bulk metal feedstock through a honey-comb extrusion die comprising a feedhole array for delivering softened metal through a supporting die baseplate to a honeycomb die discharge section, th... | 10/27/2009 |
| 7279213 | High-strength thin-walled honeycombs Thin-walled ceramic honeycomb products of improved resistance to isostatic pressure damage are provided wherein the skin layers disposed over the cellular matrix portions of the honeycombs are formed of ceramic materials differing from the materials of the matrix as... | 10/09/2007 |
| 7238309 | Extruded ceramic log transfer system An apparatus for orienting section of a plasticized ceramic extrudate includes a marking assembly for applying an orientation reference mark to a plasticized ceramic extrudate exiting an extrusion die onto an extrudate support, and at least one extrudate-contacting ... | 07/03/2007 |
| 7070728 | Diesel filter plugging process A method for plugging a subset of cells of a honeycomb structure having a plurality of open-end cells extending therethrough including providing at least one cylindrically-shaped first roller including an engagement surface having a plurality of outwardly-extending ... | 07/04/2006 |
| 6964756 | Method for treating alumina honeycomb monoliths High-surface-area alumina honeycombs are subjected to a water vapor pre-treatment to obtain protection from cracking damage on subsequent exposure to aqueous media e.g., aqueous solutions for depositing catalysts on the honeycombs. ... | 11/15/2005 |
| 6938339 | Method and apparatus for forming an inlet and outlet face of a catalyst support An apparatus for forming shaped surfaces of an elongate substrate is disclosed. The apparatus includes a first and second collar spaced along the substrate, wherein a cutting filament extends between the collars. The collars are selectively rotated to pass the cutti... | 09/06/2005 |
| 6916943 | Supported metal catalysts A process of making a supported catalyst includes steps of preparing a washcoat containing a mixture of hydrolyzed silicon alkoxide and a filler, depositing the washcoat on a surface of a solid support, drying the washcoat deposited on the surface of the solid suppo... | 07/12/2005 |
| 6852436 | High performance solid electrolyte fuel cells The present invention relates to a fuel cell apparatus which includes arrays of positive air electrodes and negative fuel electrodes with via interconnections disposed on an electrolyte sheet; optional electrode designs include symmetric electrodes comprising a cond... | 02/08/2005 |
| 6824749 | Stacked monolith reactor and process Methods and apparatus for treating a gas-liquid feed stream with structured monolithic catalysts of honeycomb configuration wherein the catalysts are configured as a stack of honeycomb sections with offset channels, the resulting channel dislocations between adjacen... | 11/30/2004 |
| 6822128 | Flow control in a three-phase monolithic catalyst reactor A method is disclosed for maintaining a volumetric gas to liquid ratio in a segmented gas/liquid flow along a reactor of monolithic catalyst beds in series. The present invention includes the steps of: initiating the segmented gas/liquid flow at a first end of the r... | 11/23/2004 |
| 6797227 | Method for making alumina cellular extrudates Crack-free alumina honeycombs are made by comminuting anhydrous aluminum oxide powder, blending and mulling the powder with an aluminum oxide or aluminum hydroxide permanent binder, a polymeric aluminum salt, a temporary binder, an aqueous acidic peptizing agent, an... | 09/28/2004 |
| 6776689 | Method and apparatus for forming a ceramic catalyst support A grinding assembly for shaping an inlet or outlet face of a ceramic catalyst substrate provides for forming a predetermined face on the substrate, the substrate having a circular or non-circular cross-sectional profile. A grinding head is rotated about a grinding a... | 08/17/2004 |
| 6568078 | Method of assembling a catalytic converter for use in an internal combustion engine A method of assembling a catalytic converter comprising a ceramic catalyst substrate supported by a compressed resilient mat within a metal shell comprising the steps of: (1) providing a slave enclosure exhibiting a predetermined shape that substantially ... | 05/27/2003 |
| 6461995 | Extruded honeycomb dehydrogenation catalyst and method Extruded honeycomb dehydrogenation catalysts of high structural integrity, composed of potassium oxide (carbonate)-promoted oxide-stabilized iron oxides and having a honeycomb cell density in the range of 15-400 channels per square inch, a channel wall th... | 10/08/2002 |
| 6454941 | Gravity-flow water filtration device A replaceable gravity-flow cyst-reducing water filter cartridge for placement in a water filter carafe, comprising a filter cartridge housing with a cap having a plurality of untreated water inlet ports, wherein the cap is sealingly attached to a top rim ... | 09/24/2002 |
| 6428920 | Roughened electrolyte interface layer for solid oxide fuel cells The present invention relates to an electrolyte structure coated on at least one surface with a roughened interfacial nano-crystalline layer. Another aspect of the present invention is a solid oxide fuel cell which includes a positive air electrode, a neg... | 08/06/2002 |
| 6372289 | Process for manufacturing activated carbon honeycomb structures A process for making a honeycomb article having longitudinal channels extending from one face to a second face supporting a uniform coating of activated carbon on the channel walls, the process comprising the step of providing a solid heat-activated oxida... | 04/16/2002 |
| 6317960 | Extrusion die and method of forming A method for forming an extrusion die for producing honeycomb structures having hexagonal shaped cells is disclosed. A plurality of at least three plates are straight cut across the surface portion of each plate with desired angles to produce hexagonal sh... | 11/20/2001 |
| 6296794 | Pressed porous filter bodies A preform for a z-flow honeycomb filter is formed by a pressing process wherein a batch charge is shaped in a press into a preform of finished plug-and-channel configuration, the shaped preform comprising opposing overlapping arrays of closed-end inlet an... | 10/02/2001 |
| 6227382 | Water filtration apparatus A cyst reduction water filter and a method and carafe system for using it, wherein the filter incorporates a cellular ceramic honeycomb filter element of a selectively plugged channel configuration wherein all water filtration paths traverse porous channe... | 05/08/2001 |
| 6214437 | Low-expansion cordierite honeycomb bodies and method Cordierite honeycomb bodies having low coefficients of thermal expansion (CTE) and correspondingly high resistance to thermal shock, and a method for making them, wherein an alumina-yielding raw material having high specific surface area and which dispers... | 04/10/2001 |
| 6206944 | Low aspect ratio diesel exhaust filter A porous ceramic filter offering both increased thermal mass and controlled exhaust flow performance for the filtration of particulates from diesel exhaust gases includes a wall-flow honeycomb filter body incorporating a plurality of parallel end-plugged ... | 03/27/2001 |
| 6077483 | Coated catalytic converter substrates and mounts Ceramic honeycombs used as catalyst supports for combustion engine exhaust pollution control are provided with insulating porous refractory thermal barrier coatings disposed on and bonded to at least a portion of the external skins of the honeycombs, redu... | 06/20/2000 |
| 6045935 | Flexible inorganic electrolyte fuel cell design Fuel cell designs incorporating non-planar inorganic electrolyte membranes offer improved mechanical and thermal shock resistance for mobile power generation systems, e.g., for high temperature fuel cell applications using liquid fuel (diesel and gasoline... | 04/04/2000 |
| 4778744 | Method for providing high-intensity optical patterns in glass A method for substantially increasing the refractive index change induced in porous glass through metal oxide deposition by photolysis of organometallic compounds present therein, according to which the photolyzed glass is re-impregnated with additional o... | 10/18/1988 |
