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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 4810597 | Fuel cell comprising a device for detecting the concentration of methanol In a fuel cell having a fuel electrode, an oxidant electrode, and an electrolyte which is located between both the electrodes, a methanol concentration control device is disposed, at a pipe which supplies the fuel to the fuel cell for controlling the amou... | 03/07/1989 |
| 4810595 | Molten carbonate fuel cell, and its operation control method A molten carbonate fuel cell using molten carbonate as an electrolyte, carbonate ions as electric conductor, and feeding a hydrogen-enriched gas to the anode and a mixture of air and carbon dioxide gas to the cathode has its output fall by degrees with op... | 03/07/1989 |
| 4792384 | Method and apparatus for operating a fuel cell in combination with an electrochemical cell to produce a chemical product A method and apparatus is disclosed for operating a fuel cell 14 producing electrical energy in combination with an electrochemical cell 12 using electrical energy to produce a chemical product. The electrolysis cell produces hydrogen for use as a fuel in... | 12/20/1988 |
| 4780187 | Method and apparatus for operating a fuel cell in combination with an electrochemical cell to produce a chemical product A method and apparatus is disclosed for operating a fuel cell 14 which produces electrical energy using hydrogen in combination with a chlorate electrolysis cell which uses electrical energy to produce a chlorate product and hydrogen. A regulator means em... | 10/25/1988 |
| 4778579 | Method and apparatus for operating a fuel cell in combination with an electrochemical cell to produce a chemical product A method and apparatus is disclosed for operating a fuel cell 14 which produces electrical energy in combination with an electrochemical cell 12 which uses electrical energy to produce a chemical product. A direct current converter 16 intermittently passe... | 10/18/1988 |
| 4741978 | Fuel cell generator control system There has been provided a fuel cell generator control system to control the operation of a fuel cell generator that includes a fuel cell body, a fuel supply section for supplying fuel to the fuel cell body, and an air supply section for supplying air to t... | 05/03/1988 |
| 4729930 | Augmented air supply for fuel cell power plant during transient load increases The performance of fuel cell power plants using air as the oxygen source is reduced during periods of load increase because the response of the fuel cells to the load change is relatively instantaneous. While cell response is instantaneous, changes in air... | 03/08/1988 |
| 4693945 | Power generator containing fuel cell A power generator containing a fuel cell (or cells) characterized by a fuel supply means designed to supply hydrogen gas and oxygen gas to the hydrogen and oxygen feed lines leading to the cell in response to a rapid rise of power load connected to the ce... | 09/15/1987 |
| 4677037 | Fuel cell power supply A fuel cell power supply including a fuel cell and a secondary cell comprises a fuel cell current detector for detecting the fuel cell current generated by the fuel cell; a load current detector for detecting a load current flowing through the load of the... | 06/30/1987 |
| 4657829 | Fuel cell power supply with oxidant and fuel gas switching This invention relates to a fuel cell vehicular power plant. Fuel for the fuel stack is supplied by a hydrocarbon (methanol) catalytic cracking reactor and CO shift reactor. A water electrolysis subsystem is associated with the stack. During low power ope... | 04/14/1987 |
| 4652501 | Operation of microbial fuel cells In operation of a microbial fuel cell it has been found that improved efficiency results if the microbes are kept `hungry`, i.e. the cell is run under conditions of fuel supply and load such that electrical output is dependent on fuel concentration, rathe... | 03/24/1987 |
| 4629664 | Liquid fuel cell A liquid fuel cell having a circulation system for a fuel mixture comprising fuel and water, which comprises a first tank containing water or a water-rich fuel mixture comprising water and fuel, a second tank containing fuel or a fuel-rich mixture compris... | 12/16/1986 |
| 4612261 | Fuel cell battery using acidic electrolyte The disclosure is concerned with a fuel cell battery of an acidic electrolyte type, which comprises means for controlling the flow rate of an oxygen-containing gas, such as air, to be fed to an oxidant electrode of the fuel cell battery in a quantity to c... | 09/16/1986 |
| 4555452 | Method for operating fuel cell In operating a fuel cell comprising an oxidizing agent chamber subject to supply of an oxidizing agent gas and a fuel chamber subjected to supply of a fuel gas, sintering of noble metal particles such as platinum black as an electrode catalyst can be prev... | 11/26/1985 |
| 4489141 | Passive potentiostat This invention provides a passive potentiostat which is adapted to function as a self-adjustable unipolar resistive load. The passive potentiostat is suitable for controlling the half-cell potential of a thermodynamically favorable electrochemical process, e.g... | 12/18/1984 |
| 4436793 | Control system for hydrogen generators A control system for a hydrogen generator having a consumable anode, a cathode and an aqueous electrolyte therebetween. The system includes a circuit means which enables electrical current to pass between the anode and cathode in addition to the electroly... | 03/13/1984 |
| 4424491 | Automatic voltage imbalance detector A device for indicating and preventing damage to voltage cells such as galvanic cells and fuel cells connected in series by detecting sequential voltages and comparing these voltages to adjacent voltage cells. The device is implemented by using operationa... | 01/03/1984 |
| 4411967 | Cell generating system In a generating system including a plurality of parallel-operated fuel cells possessing a plurality of stacks, each of the cells is provided with a control circuit comprising chopper means each composed of switching elements which are ignition-controlled ... | 10/25/1983 |
| 4407903 | Electric dc source An electric dc source with fuel cells or fuel batteries connected in series or in series and parallel, not only gives quiet operation, but does so without a large power electronics system, by providing a separate gas supply to each fuel cell or fuel batte... | 10/04/1983 |
| 4399200 | Device for controlling a pump in a storage battery In a system for controlling the flow rates in a storage battery of the type having at least one pump driven at a controlled speed by a motor driven at a speed determined by the average applied voltage and the load experienced by the pump, which system inc... | 08/16/1983 |
| 4098959 | Fuel cell fuel control system A fuel cell fuel control system is presented in which the fuel processor is isolated from the fuel cell by means of a demand valve. The fuel processor operates at an elevated pressure and forms a reservoir of hydrogen which is supplied to the fuel cell up... | 07/04/1978 |
| 4098960 | Fuel cell fuel control system A fuel cell fuel control system is presented in which the fuel processor is isolated from the fuel cell by means of a demand valve. The fuel processor operates at an elevated pressure with the supply of fuel forming constituents being constantly monitored... | 07/04/1978 |
| 4081585 | Forced flow electrochemical battery Cells are fed in series with an alkaline solution containing zinc in suspension and electrically connected in series. The cells are grouped in modules fed in parallel with the solution and electrically connected in series, each module being fed with the s... | 03/28/1978 |
| 3996064 | Electrically rechargeable REDOX flow cell There is disclosed a bulk energy storage system including an electrically rechargeable reduction-oxidation (REDOX) cell divided into two compartments by a membrane, each compartment containing an electrode. An anode fluid is directed through the first com... | 12/07/1976 |
