The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 8178231 | Composition and energy storage device In accordance with one aspect of the present invention, a cathode composition is provided that includes at least one transition metal or a transition metal salt, wherein the transition metal is at least one selected from the group consisting of nickel, iron, cobalt,... | 05/15/2012 |
| 8039138 | Chloride-free, sodium ion-free, and water-free thermal batteries using molten nitrate electrolytes Thermal batteries using molten nitrate electrolytes offer significantly higher cell voltages and improvements in energy and power density. A problem concerning gas-evolution reactions is solved by eliminating chloride ions, sodium ions, and moisture contaminants. On... | 10/18/2011 |
| 7348102 | Corrosion protection using carbon coated electron collector for lithium-ion battery with molten salt electrolyte A battery, such as a lithium-ion battery, comprises a first electrode, a second electrode, a molten salt electrolyte, and an electron collector, associated with the first electrode, the electron collector comprising an electrically conducting film. The battery furth... | 03/25/2008 |
| 7338921 | MgB2 superconductor and method for preparation thereof An electrode is steeped in a solution of Mg and B and a negative voltage is applied to the electrode so as to precipitate superconductive MgB2 on the electrode. Superconductive MgB2 is easily manufactured in various forms and at low costs witho... | 03/04/2008 |
| 7261804 | Graphitized-carbon fiber/carbon char fuel A method for recovery of intact graphitic fibers from fiber/polymer composites is described. The method comprises first pyrolyzing the graphite fiber/polymer composite mixture and then separating the graphite fibers by molten salt electrochemical oxidation. ... | 08/28/2007 |
| 7250233 | Lithium-sulfur batteries A lithium-sulfur battery having a positive electrode including a positive active material including an active sulfur, where the positive electrode comprises an electron-conductive path and an ion-conductive path, and includes active pores of the average size of up t... | 07/31/2007 |
| 7204862 | Packaged thin film batteries and methods of packaging thin film batteries A packaged battery (10) and method of producing such is provided having a thin film lithium battery cell (11) sealably encased within a packaging layer (12). The battery cell (11) includes a substrate (13), an anode (16), an... | 04/17/2007 |
| 7097748 | Electrolyzer pressure equalization system An energy storage system has a first pressurized tank for carrying water and hydrogen gas and a second pressurized tank for carrying water and oxygen gas. A first output line connects to the pressurized tank for carrying hydrogen gas from the tank. A second output l... | 08/29/2006 |
| 7033674 | Electrical devices employing molten compositions of biomolecules Compositions of biomolecules such as nucleic acids that form molten salts are provided. These compositions molten compositions that have useful electrical properties. Such compositions include a salt of (i) an organic polymer ion such as a polynucleic acid anion, an... | 04/25/2006 |
| 7029793 | Nonaqueous electrolyte lithium secondary cell A nonaqueous electrolyte lithium secondary cell comprising a positive electrode (1), a negative electrode (2) and a nonaqueous electrolyte containing a lithium salt is characterized by that the nonaqueous electrolyte contains a room temperature molten ... | 04/18/2006 |
| 6979513 | Battery including carbon foam current collectors A battery having a current collector constructed of carbon foam. The carbon foam includes a network of pores into which a chemically active material is disposed to create either a positive or negative plate for the battery. The carbon foam resists corrosion and exhi... | 12/27/2005 |
| 6971998 | Implant delivery catheter system and methods for its use Catheter systems and methods for implanting helical or dart-like implants into the myocardium or other body tissue. The catheter system includes a helix for fixing the distal end of the catheter to the myocardium, an implant held by the helix, mechanisms for driving... | 12/06/2005 |
| 6924253 | Scale removal A method for treating a wellbore (or well casing) and the contiguous wellbore area to remove scale (mineral deposits comprised of, e.g., BaSO4, CaCO3, etc.) in the context of hydrocarbon recovery and other applications is disclosed, said method including contacting ... | 08/02/2005 |
| 6878479 | Tilted fuel cell apparatus Bipolar, tilted embodiments of high temperature, molten electrolyte electrochemical cells capable of directly converting carbon fuel to electrical energy are disclosed herein. The bipolar, tilted configurations minimize the electrical resistance between one cell and... | 04/12/2005 |
| 6841300 | Electrolyte for a nonaqueous battery An electrolyte containing calcium bistrifluoromethanesulfonimide [Ca((CF3SO2)2N)2] for a nonaqueous battery. The calcium bistrifluoromethanesulfonimide is soluble in an organic solvent and a molten salt having a melting po... | 01/11/2005 |
| 6824914 | Amine-based fuel cell/battery with high specific energy density A fuel cell/battery uses amine-based liquid complexes as a direct oxidation fuel in an alkaline fuel cell/battery. Oxidant solutions are used on the cathode side to improve power density. ... | 11/30/2004 |
| 6824702 | Device and method for producing molten salts and use thereof The invention relates to an apparatus and a process for the preparation of salt melts, and mixtures thereof, by means of a stirred reactor and a tubular reactor, in which the starting materials are melted and brought to reaction, and the reaction products are subseq... | 11/30/2004 |
| 6818344 | Thermal battery A thermal battery is housed in a chamber that utilizes micro-electromechanical systems (MEMS)-based technology to offer superior chemical stability and advantageous mechanical and thermal properties. The thermal battery of the present invention is activated by heat,... | 11/16/2004 |
| 6815105 | Fuel cell apparatus and method thereof Highly efficient carbon fuels, exemplary embodiments of a high temperature, molten electrolyte electrochemical cell are capable of directly converting ash-free carbon fuel to electrical energy. Ash-free, turbostratic carbon particles perform at high efficiencies in ... | 11/09/2004 |
| 6793711 | Mixed conducting membrane for carbon dioxide separation and partial oxidation reactions Gas-impermeable membranes containing a molten salt electrolyte in an electron-conducting matrix provide for mixed ion and electron conduction across the membrane. The membranes mediate transport of a selected ion for gas separation and or catalytic reactions at the ... | 09/21/2004 |
| 6767665 | Method for producing molten salts with an extruder and use of the molten salts The invention relates to a method for producing molten salts and their mixings, using an extruder. The starting materials are melted and reacted and the products of the reaction are then guided via a column with alkali salt. ... | 07/27/2004 |
| 6475654 | Automatic reactant dispenser for an electrolysis cell An automatic reactant dispenser for use in an electrolysis cell for electrolyzing a reactant product into reactants, the dispenser comprising a container generally surrounding the electrodes with a cover that controls dispensation of a reactant produced a... | 11/05/2002 |
| 6475662 | Thermal battery An improved thermal battery with improved operating efficiency. The thermal battery utilizes both a first activatible heat source and a second independently activatible heat source. The second heat source is optionally activated under storage environment ... | 11/05/2002 |
| 6368736 | Reactant product valve for an electrolysis cell A reactant product valve for an electrolysis cell. The valve comprises first and second members disposed generally horizontally in the reactant product above the electrodes. The second member floats on liquid reactant product, sinks in liquid reactant and... | 04/09/2002 |
| 6329098 | Method for converting and storing energy A method of converting and storing energy in a repeatable cycle using a rechargeable electrolytic cell providing a thermal energy output during discharge, and which recharges electrically. The cell contains chemical reactants and reactant product. The rea... | 12/11/2001 |
| 6324091 | Tightly coupled porphyrin macrocycles for molecular memory storage This invention provides novel high density memory devices that are electrically addressable permitting effective reading and writing, that provide a high memory density (e.g., 1015 bits/cm3), that provide a high degree of fault toler... | 11/27/2001 |
| 6203939 | High temperature battery and electrolytes A high temperature battery of one or more cells is disclosed in which each cell is made by holding an anode electrode and a cathode electrode, of different metallic substances, together through a fused flux wetted to an electrode, which fused flux is an e... | 03/20/2001 |
| 6120933 | Self-rechargeable, medium level discharge electrochemical cell The present invention provides a rechargeable electrochemical battery cell which has self-charging capabilities. Specifically, the cell comprises two chambers interconnected with a tubing and a valve; each chamber further comprising a top closure, a posit... | 09/19/2000 |
| 6093504 | Electro-chemical-thermal rechargeable energy storage cell (ECT cell) A rechargeable energy cell providing a thermal energy output during discharge, and which recharges electrically. The cell contains chemical reactants and reactant product. The reactants are controllably combined in a reaction portion of the cell to produc... | 07/25/2000 |
| 6022637 | High temperature battery A high temperature battery of one or more cells is disclosed in which each cell is made by holding an anode electrode and a cathode electrode, of different metallic substances, together through a fused flux wetted to an electrode, which fused flux is an e... | 02/08/2000 |
| 6007943 | High temperature electrochemical cell with molten alkali metal anode An electrochemical cell comprises a housing defining an interior space, and a separator in the housing dividing said space into an anode compartment and a cathode compartment. A sodium anode is in the anode compartment, a cathode being in the cathode comp... | 12/28/1999 |
| 5895730 | High temperature battery An electrolyte system suitable for a molten salt electrolyte high temperature battery is described consisting only of a first component which consists of one or more lithium halides and a second component which consists of one or more lithium compounds wh... | 04/20/1999 |
| 5814420 | Rechargeable positive electrodes Disclosed are positive electrodes containing active-sulfur-based composite electrodes. The cells include active-sulfur, an electronic conductor, and an ionic conductor. These materials are provided in a manner allowing at least about 10% of the active-sul... | 09/29/1998 |
| 5731101 | Low temperature ionic liquids A low temperature molten ionic liquid composition comprising a mixture of a metal halide and an alkyl-containing amine hydrohalide salt is described which is useful as a catalyst and a solvent in alkylation, arylation and polymerization reactions or as an... | 03/24/1998 |
| 5716731 | Electrochemical cell A high temperature rechargeable electrochemical cell is provided, comprising a housing divided by a pair of concentric separator tubes into two anode compartments each containing molten alkali metal active anode material, the alkali metal in each anode co... | 02/10/1998 |
| 5661403 | Apparatus and method for testing a solid electrolyte An apparatus and method for measuring conduction current through a sample portion of the surface of the solid conductor that is in contact with a liquid conductor, such as the solid electrolyte of a liquid-solid-liquid battery, is provided. The apparatus ... | 08/26/1997 |
| 5648183 | Aluminum and sulfur electrochemical batteries and cells A battery is provided comprising an aluminum anode, an aqueous sulfur catholyte, and a second electrode capable of reducing sulfur. A polysulfide cathode (for use with the above battery or independently) includes solid sulfur at ambient temperatures, and ... | 07/15/1997 |
| 5607784 | Hydrogen/fluorine power generating system A H2 /F2 power generating system is disclosed. The system is particularly useful in producing power in military and space vehicle applications because of its high energy density and long shelf life.... | 03/04/1997 |
| 5604053 | Electrochemical cell The invention provides an electrochemical cell, a cathode therefor and methods of making them. The cell is of the high temperature alkali metal/transition metal halide type, having a molten sodium anode, a nickel/nickel chloride cathode, an essentially so... | 02/18/1997 |
| 5589291 | Stabilized rechargeable cell in MSE Method is provided for preparing a stabilized rechargeable cell having a negative electrode and a molten salt electrolyte (MSE) while avoiding problems of chloroaluminate cell systems which are not air stable. The cell of the present invention thus employ... | 12/31/1996 |