Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Application No. | Application Title | Issue Date |
| 20100196743 | APPARATUS AND METHOD FOR PURGING RESIDUAL WATER AND HYDROGEN DURING SHUTDOWN OF FUEL CELL The present invention provides an apparatus and method for purging residual water and hydrogen during shutdown of a fuel cell, which can reduce the time required for purging residual water and hydrogen during shutdown of a fuel cell by opening and closing outlet lines o... | 08/05/2010 |
| 20100119880 | VARIABLE-FREQUENCY BATTERY REVITALIZING DEVICE The variable-frequency battery revitalizing device contains a pulse generation circuit, a frequency generation circuit, a voltage detection circuit, and a frequency control circuit. A lead-acid battery to be revitalized is connected to the pulse generation circuit witho... | 05/13/2010 |
| 20090029192 | METHOD AND DEVICE FOR BATTERIES Method for treatment, in the form of regeneration, of an accumulator (160) having at least one cell, preferably lead batteries, in which a varying direct current from a power source (130) is applied in intermittent current supply periods, which are interru... | 01/29/2009 |
| 20090004511 | Battery Watering System A system for adding fluid to a valve regulated lead acid (“VRLA”) battery cell includes an injection head assembly coupled to a vent opening. The injection head assembly replenishes water or electrolyte depleted during operation of the VRLA cell. Fluid is dispersed ... | 01/01/2009 |
| 20080245587 | Vehicle Hybrid Energy System A hybrid energy storage system suitable for use in a vehicle having an electrified drivetrain includes a first energy storage module and a second energy storage module that is different than the first energy storage module. The first energy storage module may have a cel... | 10/09/2008 |
| 20070269685 | BATTERY CELL DESIGN AND METHOD OF ITS CONSTRUCTION A compact, robust, multifunctional and highly manufacturable rechargeable cylindrical electrochemical cell is provided. In some embodiments, a cell can include a spirally wound assembly having an anode sheet and a cathode sheet separated by separator membranes, each she... | 11/22/2007 |
| 20070099060 | Direct liquid feed fuel cell A direct liquid feed fuel cell includes a membrane electrode assembly (MEA) including an anode electrode and a cathode electrode respectively disposed on either side of an electrolyte membrane. A conductive anode plate and a conductive cathode plate which respectively f... | 05/03/2007 |
| 20070048557 | Diagnosis of cell-to-cell variability in water holdup via dynamic voltage sensor pattern in response to a cathode flow pulse A method for periodically removing water from cathode flow channels in a fuel cell stack that includes looking at the resulting cell voltage patterns in response to selectively pulsing the cathode airflow during. If the fuel cell stack has been in an extended low power ... | 03/01/2007 |
| 20060251929 | Apparatus and method for generating and using multi-direction DC and AC electrical currents Multi-directional currents are generated in a medium by cyclically reversing the direction of a conventional current applied to at least one of at least two electrodes so that an electromotive force (EMF) pulse travels from side of the electrode to the other, changing t... | 11/09/2006 |
| 20060240290 | High rate pulsed battery A lithium secondary cell includes a plurality of stacked layers. The stacked layer includes a lithium-containing positive electrode in electronic contact with a positive electrode current collector, the positive current collector in electrical connection with an externa... | 10/26/2006 |
