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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7981560 | Fuel cell with integral manifold and laterally spaced electrodes A MEMS-based fuel cell has a substrate, an electrolyte in contact with the substrate, a cathode in contact with the electrolyte, an anode spaced apart from the cathode and in contact with the electrolyte, and an integral manifold for supplying either a fuel or an ox... | 07/19/2011 |
| 7790331 | Fuel cell with film having nanowires therein A fuel cell has a substrate with a film deposited thereon. The film has nanowires dispersed therein. Catalytic activity and conductivity is substantially enhanced throughout the film. ... | 09/07/2010 |
| 7777403 | Photonic-crystal filament and methods A photonic-crystal filament is formed by mixing a slurry comprising particles of substantially uniform size and a precursor material for a desired metal, urging the slurry through an orifice to force the particles and precursor material into a combination having a d... | 08/17/2010 |
| 7556880 | Compositional and structural gradients for fuel cell electrode materials A fuel cell includes at least one electrode operatively disposed in the fuel cell, and having a catalytically active surface. The present invention further includes a mechanism for maintaining a substantially uniform maximum catalytic activity over the surface of th... | 07/07/2009 |
| 7507441 | Method for making a photonic structure A method for making a photonic structure, including creating a first vapor stream of a first vapor material, the first vapor stream having a first non-uniform flux in at least one direction; and moving a substrate in at least a portion of the vapor stream. In additi... | 03/24/2009 |
| 7491457 | Fuel cell apparatus A fuel cell apparatus including fuel cell blocks electrically re-configurable in at least two arrangements by a control module. ... | 02/17/2009 |
| 7425382 | Fuel cell assembly A fuel cell assembly in accordance with a present invention includes at least one reactant path that extends at least once around the perimeter of the inner region of the assembly and has an upstream end associated with the outer region of the assembly and a downstr... | 09/16/2008 |
| 7405018 | Fuel cell with catalytic combustor seal Subject matter includes a fuel cell with a catalytic combustor seal and related methods. The catalytic converter is positioned to come in contact with a fuel after the fuel has traversed a path over an intended electrode and the fuel is catalytically converted befor... | 07/29/2008 |
| 7405012 | Oscillating gas flow in fuel cells A method of operating a fuel cell includes supplying a gas stream to the fuel cell and oscillating the gas stream. ... | 07/29/2008 |
| 7348087 | Fuel cell with integral manifold A MEMS-based fuel cell has a substrate, an electrolyte in contact with the substrate, a cathode in contact with the electrolyte, an anode spaced apart from the cathode and in contact with the electrolyte, and an integral manifold for supplying either a fuel or an ox... | 03/25/2008 |
| 7291418 | Methods and systems for elevating a temperature within a fuel cell A method for elevating a temperature within a fuel cell having a cathode, an electrolyte and an anode, includes, prior to the electrolyte reaching a minimum temperature at which oxygen ions cross the electrolyte, conducting an exothermic reaction at the cathode or t... | 11/06/2007 |
| 7291417 | Compositional and structural gradients for fuel cell electrode materials A fuel cell includes at least one electrode operatively disposed in the fuel cell, and having a catalytically active surface. The present invention further includes a mechanism for maintaining a substantially uniform maximum catalytic activity over the surface of th... | 11/06/2007 |
| 7227182 | Optical property normalization for a transparent electrical device Optical property normalization for a transparent electrical device is described. In an embodiment, an electrical device includes a plurality of laterally displaced regions that are substantially transparent. Each region of the plurality of regions includes a normali... | 06/05/2007 |
| 7208246 | Fuel cell with integrated heater and robust construction A fuel cell assembly including a substrate and an electrolyte disposed on the substrate and having a rib projecting out from the substrate. The rib has first and second side surfaces and a top surface. An anode is disposed on the first side surface and a cathode is ... | 04/24/2007 |
| 7153360 | Template and methods for forming photonic crystals A self-assembled photonic crystal is formed using a template made by nanoimprint lithography. A layer of imprintable material is deposited on a substrate, a pattern is imprinted in the imprintable material to form a template (the pattern of the template being adapte... | 12/26/2006 |
| 7153601 | Fuel cell with embedded current collector A fuel cell includes one or more fuel cell assemblies. Each of the fuel cell assemblies has an electrolyte having a length, an anode having a length and disposed on one side of the electrolyte, and a cathode having a length and disposed on the same or the other side... | 12/26/2006 |
| 7147948 | Method and apparatus for enhancing catalytic activity A fuel cell has at least one electrode operatively disposed in the fuel cell, the electrode(s) having a catalytically active surface. A mechanism is provided for substantially maintaining catalysis over the active surface of the electrode(s). ... | 12/12/2006 |
| 7140725 | Methods for applying crystalline materials Disclosed herein are methods for applying crystalline materials to a substrate by applying a cation and an anion and crystallizing at least a portion of the reaction product of the cation and the anion. The application of at least one of the cation or the anion is a... | 11/28/2006 |
| 7122257 | Fuel cell reactant supply A fuel cell system in accordance with a present invention includes a fuel supply apparatus that supplies at least one reactant in a pulse. ... | 10/17/2006 |
| 7118826 | Electrode-electrolyte composites having discrete regions Various embodiments of the invention are directed towards electrode-electrolyte composites. The electrode-electrolyte composites comprise electrode material and electrolyte material. At least a portion of the electrode material is present as a plurality of discrete ... | 10/10/2006 |
| 7070879 | Fuel cell or electrodes with passive support An electrode suitable for use in a fuel cell includes a passive support having pores wherein the passive support has an asymmetric pore morphology with respect to at least one dimension of the passive support; and an electrode material positioned in the pores of the... | 07/04/2006 |
| 7067215 | Fuel cell and method of manufacturing same using chemical/mechanical planarization A method of making a fuel cell includes the following steps. A pattern is placed on a base surface to create a predetermined topography on the base surface. An anode layer, a cathode layer and/or an electrolyte layer is/are deposited over the pattern. Areas of highe... | 06/27/2006 |
| 7063909 | Fuel-cell element stack with stress relief and methods A fuel-cell assembly has a plurality of unit cells, each of the unit cells comprising an anode, an electrolyte, a cathode, and a current collector. The fuel-cell assembly has a plurality of electrical interconnection elements, at least one electrical interconnection... | 06/20/2006 |
| 7045244 | Fuel cells utilizing non-porous nanofilm microchannel architecture The invention is a fuel cell comprising a cathode film having a side surface, an anode film having a side surface and an electrolyte film disposed between the cathode film and the anode film and having a side surface. The anode, cathode and electrolyte side surfaces... | 05/16/2006 |
| 7045234 | Fuel-cell integral multifunction heater and methods A fuel cell or battery has an integral multifunction heater element operable as an integral heater, an integral temperature sensor, and/or an integral aid to current collection from the fuel cell. The integral multifunction heater element is embedded within the elec... | 05/16/2006 |
| 7033694 | Threaded fuel cell assembly Various embodiments of the invention are directed toward a fuel cell assembly comprising a fuel cell casing and one or more fuel cell elements comprised of electrode and electrolyte material. The fuel cell casing is configured with threads and the fuel cell elements... | 04/25/2006 |
| 7033691 | MEMS-based fuel cell and methods A fuel cell has a MEMS fuel-cell structure including an anode, a cathode, and an electrolyte, formed on a substrate, a portion of the substrate being removed from beneath the MEMS structure to leave the MEMS structure suspended in membrane form. An opening may exten... | 04/25/2006 |
| 7029777 | Fuel cell and passive support A fuel cell is disclosed that includes a passive support having a fine pore region disposed between a first coarser pore region and a second coarser pore region. An exemplary fuel cell has an electrolyte material positioned in the fine pore region and a first electr... | 04/18/2006 |
| 7014929 | Fuel cell A fuel cell in accordance with a present invention serially depletes reactants. ... | 03/21/2006 |
| 6972161 | Fuel cell assembly and method of making the same A fuel cell assembly in accordance with a present invention includes a substrate including a reactant-permeable region and a non-permeable support region and a fuel cell carried by the substrate. ... | 12/06/2005 |
| 6940097 | Optical property normalization for a transparent electrical device Optical property normalization for a transparent electrical device is described. In an embodiment, an electrical device includes a plurality of laterally displaced regions that are substantially transparent. Each region of the plurality of regions includes a normali... | 09/06/2005 |
| 6893769 | Fuel cell assemblies and methods of making the same A fuel cell in accordance with a present invention includes a plurality of reactant channels. ... | 05/17/2005 |
| 6770353 | Co-deposited films with nano-columnar structures and formation process The invention concerns co-deposited films with nano-columnar structures. A film of the invention is formed upon a substrate, and includes a nano-columnar structure of a first material and a co-deposited second material. ... | 08/03/2004 |
