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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 8147999 | Closure assembly with low vapor transmission for electrochemical cell A closure assembly for an electrochemical cell including a container and an end assembly sealing an open end of the container in order to minimize mass or weight loss of the cell due to electrolyte vapor transmission is disclosed. The end assembly is provided with a... | 04/03/2012 |
| 7955724 | Secondary battery having a film including expandable graphite and polyurethane Disclosed herein is a secondary battery which comprises a film (“safety film”) including expansible graphite that generates inflammable gas at a high temperature and polyurethane that causes an endothermic reaction and generates char at a high temperature. The s... | 06/07/2011 |
| 7927754 | Pressure relief feature for a fuel cell stack A pressure relief feature for a fuel cell stack is disclosed, wherein the pressure relief feature relieves excess pressure from the fuel cell stack and facilitates control of a maximum pressure reached within the fuel cell stack. ... | 04/19/2011 |
| 7790305 | Gas diffusion layers with integrated seals having interlocking features A membrane electrode assembly (MEA) is provided for a fuel cell and includes gas diffusion layers with integrated seals having interlocking features. The interlocking features of the gas diffusion layers allow the MEA to be constructed with a catalyst coated membran... | 09/07/2010 |
| 7776465 | Nonaqueous electrolyte battery Disclosed is a nonaqueous electrolyte battery including a battery element contained in an outer covering member composed of a laminated film and sealed therein by heat seal, and a gas absorbable material interposed between the outermost layer of the outer covering m... | 08/17/2010 |
| 7604894 | Film covered battery and stacked battery assembly A film covered battery has a battery element, a positive and a negative lead terminal connected to the battery element, and a casing for sealing the lead terminals and the battery element together with an electrolytic solution, with portions of the lead terminals ex... | 10/20/2009 |
| 7553581 | Sealed prismatic battery A sealed prismatic battery is provided. The battery includes a battery casing 4 having a prismatic cylindrical shape of body with a bottom part and an upper opening, and a lid 5 which fits in the upper opening of the battery casing. The opening of the ... | 06/30/2009 |
| 7553582 | Getters for thin film battery hermetic package A method for improving the useful life of a thin film lithium-ion battery containing a solid electrolyte and an anode that expands on charging and long life batteries made by the method. The method includes providing a hermetic barrier package for the thin film batt... | 06/30/2009 |
| 7468220 | Film covered battery and stacked battery assembly A film covered battery has a battery element, a positive and a negative lead terminal connected to the battery element, and a casing for sealing the lead terminals and the battery element together with an electrolytic solution, with portions of the lead terminals ex... | 12/23/2008 |
| 7340823 | Methods for forming head suspension assemblies Embodiments include a method for forming a head suspension assembly. A spacer layer is formed in or on a silicon wafer. A transfer film including an opening defining the shape of a slider support membrane is provided, and the opening is filled with a resin material.... | 03/11/2008 |
| 7326489 | Catalyst design for VRLA batteries A catalyst device for use with battery cells to recombine oxygen and hydrogen gas and thereby improve the performance and life of such cells. The catalyst device has the ability to filter out catalyst poisons and control the temperature of the recombination reaction... | 02/05/2008 |
| 7316792 | Electrode material for rechargeable lithium battery and electrode structural body comprising said electrode material An electrode material for a rechargeable lithium battery, characterized in that said electrode material comprises a fine powder of a silicon-based material whose principal component is silicon element, said fine powder having an average particle size (R) in a range ... | 01/08/2008 |
| 7314683 | Carbon compound-adsorbed cathode active material and lithium battery using the same A cathode active material is prepared by mixing a transition metal compound and a lithium compound in a molar ratio of 1:1.0-1:1.2 and thermally treating the mixture while supplying CO2 and O2 in a ratio of partial pressures ranging from 1:0.00... | 01/01/2008 |
| 7258949 | Bipolar battery and a method for manufacturing a bipolar battery The present invention relates to a bipolar battery, especially a NiMH battery, having: a sealed housing, a negative end terminal, a positive end terminal, and at least one biplate assembly comprising a biplate, a positive and a negative electrode. A separator is arr... | 08/21/2007 |
| 7247219 | Rotary impulse sealer The invention is a rotatable cylindrical roll for heat sealing heat sealable materials that includes a heating zone for sealing the material and a cooling zone for supporting the newly formed seal. The device comprises a conductive zone and a resistive zone that are... | 07/24/2007 |
| 7238448 | Cathode for air assisted battery A cathode for an air recovery alkaline battery is disclosed. The cathode contains at least about 60% by weight MnO2 and at least about 2% by weight of a hydrophobic polymer; the MnO2 consists essentially of electrochemically synthesized MnO | 07/03/2007 |
| 7211344 | Fuel cell systems Fuel cell systems and methods of operating fuel cell systems are disclosed. In some embodiments, the systems and methods include an emission control system that reduces an amount of organic emission(s) released from the fuel cell systems. The organic emission(s) can... | 05/01/2007 |
| 7205065 | Gastight prismatic nickel-metal hydride cell A gastight nickel/metal hydride cell for the storage of electrochemical energy, having at least one positive nickel oxide electrode and at least one hydrogen-storing negative electrode, a hydrophilic separator being arranged between the positive and negative electro... | 04/17/2007 |
| 7201857 | Performance enhancing additive material for the nickel hydroxide positive electrode in rechargeable alkaline cells A conductive additive for the positive nickel electrode for electrochemical cells which provides increased performance by suppressing an oxygen evolution reaction occurring parallel to the oxidation of nickel hydroxide, increasing conductivity of the electrode and/o... | 04/10/2007 |
| 7186477 | Header for rechargeable lithium batteries A header for rechargeable lithium batteries, which incorporates a riveted disconnect mechanism. The header is especially useful for rechargeable lithium batteries for high power applications. ... | 03/06/2007 |
| 7175935 | Lithium manganese dioxide cell A lithium dioxide cell construction including a resettable positive temperature coefficient fuse. The positive temperature coefficient fuse, can withstand shock and mechanical vibration without damage and is mounted in such a way that it cannot be bypassed without d... | 02/13/2007 |
| 7170715 | Microsuspension assemblies for direct access storage devices Embodiments include a method for forming a head suspension assembly. A spacer layer is formed in or on a silicon wafer. A transfer film including an opening defining the shape of a slider support membrane is provided, and the opening is filled with a resin material.... | 01/30/2007 |
| 7141187 | Electrode material for rechargeable lithium battery, electrode structural body comprising said electrode material, rechargeable lithium battery having said electrode structural body, process for the production of said electrode structural body, and process for the production of said rechargeable lithium battery An electrode material for a rechargeable lithium battery, characterized in that said electrode material comprises a fine powder of a silicon-based material whose principal component is silicon element, said fine powder having an average particle size (R) in a range ... | 11/28/2006 |
| 7131641 | Pressing device for lithium batteries A pressing device for pressing lithium batteries with different thickness is installed on an electronic device to pressing a first lithium battery and a second lithium battery with different thickness using a first pressing part and a second pressing part with diffe... | 11/07/2006 |
| 7122276 | Pouch type secondary battery with safety vent A pouch type secondary battery has a safety vent which prevents explosion and fire by removing a sealing mechanism of a pouch casing when the internal temperature increases due to overcharging, overdischarging or over-heating, and which exhausts internal gas before ... | 10/17/2006 |
| 7122270 | Electrochemical cell having venting current collector and seal assembly A low profile collector and seal assembly for sealing the open end of a container of an electrochemical cell and providing venting of pressurized gases. An electrochemical cell has a can with a closed bottom end and an open top end, positive and negative electrodes ... | 10/17/2006 |
| 7074255 | Noble metal gas barriers A method for separating gases within a barrier, and a metallic barrier separating the gases is provided for use in solid oxide fuel cells, or SOFC. A network of pores can vent steam formed within the barrier by the reaction of hydrogen diffusing from one side and ox... | 07/11/2006 |
| 7056617 | Batteries and battery systems A non-hermetically sealed, electrochemical power source, includes a first electrode, a second electrode, a separator between the first electrode and the second electrode, and a membrane in fluid communication with an environment external to the battery. The second e... | 06/06/2006 |
| 7041412 | Non-aqueous electrolyte secondary battery In a non-aqueous electrolyte secondary battery having: an electrode plate assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a non-aqueous electrolyte including a lithi... | 05/09/2006 |
| 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 |
| 7008723 | Method of manufacture of an anode composition for use in a rechargeable electrochemical cell The invention described herein is directed to a method of manufacturing an anode composition for use in an electrochemical cell, in which the anode comprises an electrochemically active material, the method comprising the steps of mixing the electrochemically active... | 03/07/2006 |
| 6949303 | Electromechanical conversion system An electrochemical conversion system (10) is disclosed having a housing (11) divided by a hydrogen concentration cell (12) so as to define a first chamber (13) and a second chamber (14). A first mass of hydride material (17)... | 09/27/2005 |
| 6899978 | Electrochemical cell An electrochemical cell having a positive electrode, a negative electrode and an electrolyte is dosed with an additive which acts on the negative electrode to reduce electrolysis and, hence, water consumption of the cell during the course of operation of the cell, i... | 05/31/2005 |
| 6855454 | Electrochemical cell having venting current collector and seal assembly A low profile collector and seal assembly for sealing the open end of a container of an electrochemical cell and providing venting of pressurized gases. An electrochemical cell has a can with a closed bottom end and an open top end, positive and negative electrodes ... | 02/15/2005 |
| 6844104 | Vent plug system for storage batteries To improve on a vent plug system for a cell opening of a storage battery containing a plug element with an inner cartridge and a valve element, to where it is possible without the need for maintaining excessive physical tolerances to assemble it with a minimal numbe... | 01/18/2005 |
| 6838206 | Safety plate of secondary battery In a battery in which a separator is disposed between a cathode and an anode, a jelly roll is wound with the separator. The cathode, the anode and the separator are received in a battery case and surrounded with an electrolyte, and an opening of the battery case is ... | 01/04/2005 |
| 6818342 | Method of forming protective coating on cell safety valve element, cell safety valve element coated with protective film, cell sealing plate using the element, and enclosed cell using the plate A method of forming a protective coating on a cell safety valve element by coating the cell safety valve element with a protective film to protect metal portions thereof against corrosion, a cell safety valve element coated with a protective film, a cell sealing pla... | 11/16/2004 |
| 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 |
| 6790555 | Electrochemical cell having a controlled electrode surface The present invention relates to an electrochemical cell having a controlled electrode surface, comprising: a first electrode and a second electrode wherein at least one of the first and second electrodes has a carbonaceous surface; an electrolyte cont... | 09/14/2004 |
| 6749961 | Shutdown battery separator made with a blend of polymer and oligomer The instant invention is directed to a battery separator including a microporous polyolefinic membrane having a porosity in a range 30-80%, an average pore size in a range of 0.02-2.0 microns, and being made from a blend of a polyolefin polymer and an oligomer of a ... | 06/15/2004 |
