Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8137829 | Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack Provided is a method of preserving a PEFC stack, which is capable of controlling degradation of performance of the PEFC stack during a time period that elapses from when the stack is placed in an uninstalled state until it is placed in an installation position and i... | 03/20/2012 |
| 8021772 | Preservation assembly of polymer electrolyte fuel cell stack A preservation assembly of a polymer electrolyte fuel cell stack is provided. The assembly includes an uninstalled polymer electrolyte fuel cell stack and sealing units. The uninstalled polymer electrolyte fuel cell stack is provided with an oxidizing agent passage ... | 09/20/2011 |
| 8003239 | Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack A method of preserving a PEFC stack of the present invention is a method of preserving a PEFC stack that is provided with an oxidizing agent passage having an inlet and an outlet and extending through a cathode and a reducing agent passage having an inlet and an out... | 08/23/2011 |
| 7976972 | Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack Provided is a method of preserving a PEFC stack, which is capable of controlling degradation of performance of the PEFC stack during a time period that elapses from when the stack is placed in an uninstalled state until it is placed in an installation position and i... | 07/12/2011 |
| 7910238 | Alkaline battery An alkaline battery of the present invention includes a battery case, a power generating element housed in the interior of the battery case, and an assembled sealing part for closing the opening of the battery case. The assembled sealing part includes a resin sealin... | 03/22/2011 |
| 7579104 | Method of preserving fuel cell membrane electrode assembly A method of preserving a fuel cell membrane electrode assembly in which catalyst electrodes are stacked on each surface of a polymer electrolyte is to preserve the fuel cell membrane electrode assembly in an airtight package that prevents oxygen, moisture and a func... | 08/25/2009 |
| 7364815 | Method of preserving fuel cell membrane electrode assembly A method of preserving a fuel cell membrane electrode assembly in which catalyst electrodes are stacked on each surface of a polymer electrolyte is to preserve the fuel cell membrane electrode assembly in an airtight package that prevents oxygen, moisture and a func... | 04/29/2008 |
| 7341806 | Battery having carbon foam current collector A battery cell includes a negative current collector and at least one carbon foam positive current collector disposed within the cell such that the negative current collector at least partially surrounds the at least one carbon foam positive current collector. An in... | 03/11/2008 |
| 7279249 | Organic electrolytic solution and lithium battery employing the same An organic electrolytic solution containing an organic solvent and a compound that contains an anionic polymerization monomer with an added component capable of being chelated with a lithium metal cation. A lithium battery may utilize the organic electrolytic soluti... | 10/09/2007 |
| 7252558 | Portable power supply The present invention includes a portable power supply having a housing that encloses a battery. Booster cables protrude from the housing and are electrically connected to the battery. Electrical clamps are attached to the booster cables and may connect to electrica... | 08/07/2007 |
| 7156887 | Methods, apparatus, and systems for producing hydrogen from a fuel Methods and apparatus for producing hydrogen are provided. The methods and apparatus utilize reforming catalysts in order to produce hydrogen gas. The reforming catalysts may be platinum group metals on a support material, and they may be located in a reforming reac... | 01/02/2007 |
| 7150936 | Sealed battery and method for manufacturing sealed battery The present invention provides a sealed battery, in which leakage can be detected in reliable manner, a method for manufacturing the sealed battery, and a method for detecting leakage of the sealed battery. The invention provides a sealed battery containing helium, ... | 12/19/2006 |
| 7147952 | Metal-air cell having an adjustable air inlet A metal-air cell having an anode/electrolyte and a cathode includes a container having an upper interior surface and a lower interior surface for housing the anode/electrolyte and the cathode; a spring disposed on the upper interior surface; a cover electrically con... | 12/12/2006 |
| 7136701 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase in Li/SVO cells. The hybrid batter... | 11/14/2006 |
| 7124771 | Spill containment system and method A spill containment system and method that contain leaks and spills from devices including but not limited to batteries. The system neutralizes and absorbs leaks and spills to prevent the leaks and spills from spreading. The system not only detects leaks, but also i... | 10/24/2006 |
| 7091899 | Remote control transmitter Hook portion is formed on sheet an electric discharge preventing sheet put between battery and electrode. Hook portion which is deformable with a prescribed force comes into contact with holder 6 retaining electric discharge preventing sheet. Therewith, a rem... | 08/15/2006 |
| 7087342 | Regenerative passive and semi-active suspension The present invention provides regenerative passive and semi-active suspension systems. A regenerative suspension system generally includes at least one regenerative damper, a module, an electric switch, and a battery. The at least one regenerative damper converts m... | 08/08/2006 |
| 7081320 | High energy density secondary battery for repeated use A secondary battery exhibiting a long cycle life and comprising a negative pole activating material made of lithium or zinc is provided, the battery at least having a negative pole made of lithium or zinc serving as the negative pole activating material, an electrol... | 07/25/2006 |
| 7079893 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase in Li/SVO cells. The hybrid batter... | 07/18/2006 |
| 7070632 | Electrochemical device separator structures with barrier layer on non-swelling membrane Disclosed are electrochemical device separator structures which include a substantially impervious active metal ion conducting barrier layer material, such as an ion conducting glass, is formed on an active metal ion conducting membrane in which elongation due to sw... | 07/04/2006 |
| 7033703 | Composite material and current collector for battery A composite material including a first carbon foam structure including a network of pores and a second carbon foam structure including a network of pores. An intermediate bonding structure is disposed at least in part between the first and second carbon foam structu... | 04/25/2006 |
| 7022290 | System structure for in situ x-ray study of electrochemical cell component performance A structural system for accurately reproducible in situ x-ray studies of operating rechargeable electrochemical battery cell electrode components comprises an hermetically sealed cell component enclosure incorporating an x-ray transmissive window member of beryllium... | 04/04/2006 |
| 7020519 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase in Li/SVO cells. The hybrid batter... | 03/28/2006 |
| 6979512 | Colloidal battery A battery is provided having cells, which cells contain an electrolyte and a colloid, with there being at least one connector between directly adjacent cells, with each cell being formed of at least one pair of component sections, with each of the component sections... | 12/27/2005 |
| 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 |
| 6944010 | Charge storage device A charge storage device (1) includes a sealed prismatic housing (2). Two opposed folded rectangular aluminium electrodes (3, 4) are disposed within housing (2) and connected to respective metal terminals (5, 6) for allowing externa... | 09/13/2005 |
| 6909915 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides relatively stable resistance during discharge and avoids the voltage delays that develop as a result of variable resistance increase in Li/SVO cells. The hybrid battery power source utilizes two batt... | 06/21/2005 |
| 6901946 | Modular spill containment system and method A battery spill containment system and method that contain leaks and spills from batteries. The system neutralizes and absorbs leaks and spills to prevent the spills from spreading. The system may have rails that are readily removable to permit access to batteries a... | 06/07/2005 |
| 6902847 | Non-aqueous secondary cell and method for controlling the same The invention provides a non-aqueous secondary battery having positive and negative electrodes and non-aqueous electrolyte containing lithium salt which has an energy capacity of 30 Wh or more, a volume energy density of 180 Wh/l or higher, which battery has a flat ... | 06/07/2005 |
| 6811919 | Lithium secondary battery and transportation method thereof A method of transporting a lithium secondary battery includes transporting the battery including an electrode body obtained by winding or laminating a positive electrode and a negative electrode via a separator, and a non-aqueous electrolyte solution in a state wher... | 11/02/2004 |
| 6713020 | DEVICE AND METHOD FOR EVALUATING PERFORMANCE OF FUEL CELLS, DEVICE AND METHOD FOR EVALUATING SPECIFIC SURFACE AREA OF FUEL-CELL ELECTRODE CATALYSTS, FUEL-CELL ELECTRODE CATALYST, AND METHOD OF MANUFACTURING THE SAME A device and a method for simply and accurately evaluating performance of fuel cells have been provided. Hydrogen gas and carbon monoxide gas are caused to flow into a sample holder where an electrode catalyst sample is laid, and the amount of carbon monoxide gas di... | 03/30/2004 |
| 6645662 | Battery provided with an old-or-new identification seal having a heat sensitive adhesive layer In order to provide a battery comprising an old-or-new identification seal which is applicable to both the positive electrode terminal and the negative electrode terminal and is simple in terms of attaching operation, this specification discloses an old-o... | 11/11/2003 |
| 6641945 | Fuel cell An aqueous solution of hydrogen peroxide is confined in a first chamber and separated from water contained in a second chamber by a membrane that allows hydrogen ions to pass there through. The membrane of the preferred embodiment is a perfluorosulfonic a... | 11/04/2003 |
| 6635379 | Battery sealing inspection method A battery which has undergone initial charging and discharging is placed inside a sealed vessel, which is evacuated by a vacuum pump. After this evacuated state has been maintained for a while, the density of hydrogen gas within the sealed vessel is measu... | 10/21/2003 |
| 6596430 | Lithium secondary battery and transportation method thereof A method of transporting a lithium secondary battery includes transporting the battery including an electrode body obtained by winding or laminating a positive electrode and a negative electrode via a separator, and a non-aqueous electrolyte solution in a... | 07/22/2003 |
| 6534952 | Spiral electrode group winding method and device and battery using them An electrode group winding method and device for batteries provides for winding continuous belt-shaped anode plates, cathode plates and separators into groups of spiral electrodes by means of a turnable winding core. In a specified position in the vicinit... | 03/18/2003 |
| 6432582 | Catalyst equipped vapor communicating multi-cell valve regulated lead-acid battery A recombinant lead-acid battery comprising a plurality of lead-acid cells in a case including apertured partitions defining space for vapor migration among cells and comprising a catalyst unit communicating with said vapor migration space and enhancing re... | 08/13/2002 |
| 6395417 | Spill containment system with a flexible corrosion-resistant liner A spill containment system and method that contain leaks and spills from devices including but not limited to batteries. The system neutralizes and absorbs leaks and spills to prevent the leaks and spills from spreading. The system not only detects leaks,... | 05/28/2002 |
| 6346341 | Air delivery system with volume-changeable plenum for metal-air battery A ventilation system for a metal-air battery is disclosed. The metal-air battery has one or more air cathodes, one or more air pathways from the air cathode to a reactive gas source, a closure member associated with each of the air pathways to selectively... | 02/12/2002 |
| 6329095 | Tab for zinc/air cell A removable tab for metal/air cell, particularly miniature zinc/air button cells which have a principal use as hearing aid batteries. The tab covers air holes in the surface of the cell. The tab has a stiff elongated member that has an extended portion wh... | 12/11/2001 |
