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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.
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| Number | Title | Issue Date |
| 8420254 | End cover assembly for an electrochemical cell An end cover assembly for a battery comprises a cover plate; a scabbard mounted on the cover plate; a connector; and a sealing material. The cover plate comprises an opening. The scabbard comprises an interior channel. The opening is in communication with the channe... | 04/16/2013 |
| 8399125 | Cap assembly and secondary battery using the same A cap assembly and a secondary battery using the cap assembly, the cap assembly including: a cap-up having a groove; a PTC thermistor disposed in the groove; and inner components disposed below the cap-up. The inner components can include a vent disposed under the c... | 03/19/2013 |
| 8383264 | Current collecting post seal for high durability lithium-ion cells A cover assembly for a Lithium-ion battery container to improve the durability of the battery. A high pressure injection molded polymer is combined with flanges disposed on the current collecting posts of the battery to provide an improved seal for the battery cover... | 02/26/2013 |
| 8357466 | Battery cover latching assembly A battery cover latching assembly includes a body member defining a guiding slot, a battery cover slidably mounted to the body member, and an elastic member. The battery cover includes a resisting block. The resisting block is slidably received in the guiding slot. ... | 01/22/2013 |
| 8343653 | Secondary battery A secondary battery according to the present invention includes a polymer cell in which insulating wing portions are provided on lead tabs and a top case assembled to the polymer cell and having an evasion portion to reduce interference with the insulating wing port... | 01/01/2013 |
| 8318341 | Pouch-type secondary battery A pouch-type secondary battery including: an electrode assembly having a first electrode plate, a second electrode plate, and a separator disposed therebetween; and a pouch case including a first case part having a pouch to house the electrode assembly, a second cas... | 11/27/2012 |
| 8247110 | Battery cover latching mechanism A battery cover latching mechanism is provided. The battery cover latching mechanism includes a body member defining a battery receiving space, a battery cover attached to the body member to cover the battery receiving space, and a button assembly. The battery cover... | 08/21/2012 |
| 8241783 | Battery lid structure for electronic device A battery lid structure for an electronic device is provided which has a battery lid allowing a battery case to be opened when a battery lid body slides. A long engagement hole L-shaped in plan view is formed on a pressing plate to which the battery lid body is slid... | 08/14/2012 |
| 8241784 | Cover mechanism A cover mechanism for an electronic device is provided including a base member, a cover member, and two connecting members. The cover member is movably and permanently attached to the base member, including a limiting assembly, and defining a sliding groove. The con... | 08/14/2012 |
| 8241782 | Battery cover and portable electronic device using the same A battery cover which detachably mounted on a portable electronic device to protect the battery of the portable electronic device. The battery cover includes a main cover and a sliding cover, the sliding cover is slidably mounted on the main cover. Two opposite ends... | 08/14/2012 |
| 8227110 | Secondary battery A secondary battery includes: a bare cell having an electrode assembly including two electrodes and a separator arranged between the two electrodes, a cell container having an opening and adapted to contain the electrode assembly, and a cap assembly adapted to cover... | 07/24/2012 |
| 8168322 | Thin film battery with protective packaging A battery comprises a substrate comprising a first surface comprising a first battery cell having a first non-contact surface, a pliable dielectric abutting the first non-contact surface, the pliable dielectric comprising a peripheral edge, and a first cap about the... | 05/01/2012 |
| 8142925 | Expandable battery compartment for handheld electronic devices In a portable electronic device having a battery compartment and a removeable cover therefor, the battery compartment and cover are configured to accommodate batteries of at least two different sizes. ... | 03/27/2012 |
| 8142924 | Battery cover mechanism A battery cover mechanism used in a portable electronic device includes a housing, a cover and an operating member. The housing defines a receiving groove therein for receiving a battery. The cover corresponds to the housing and is movably mounted on the housing. Th... | 03/27/2012 |
| 8124271 | Secondary battery The present invention relates to a secondary battery including an insulating case interposed between the cap assembly and the electrode assembly. The insulating case is made of a sealing material with low thermal deformation, excellent flame-retardation, and excelle... | 02/28/2012 |
| 8053106 | Battery with improved insulator The battery includes a cover assembly on a battery case. The cover assembly includes a battery cover coupled with an electrically insulating flap of material. The battery can include a first electrical connector that provides electrical communication between a termi... | 11/08/2011 |
| 8034479 | Battery pack A battery case including: first case body having a main wall and opposing side walls; a second case body including a second main wall and opposing side walls. The first and second side walls include coupling parts to be coupled together when the first and second cas... | 10/11/2011 |
| 8003248 | Battery lid with integral thick boss surrounding a terminal hole An improved lid for closing the open end of a casing of an electrochemical energy storage device is described. The improved lid comprises a flat region having spaced apart upper and lower planar surfaces joined by a peripheral edge, an angled transition forming a bo... | 08/23/2011 |
| 7951485 | Lithium rechargeable battery having an insulating case A lithium rechargeable battery includes an electrode assembly arranged in a can and an insulating case positioned at an upper portion of the electrode assembly. The insulating case includes at least one protrusion protruding toward an inner wall of the can. ... | 05/31/2011 |
| 7951486 | Cap assembly and secondary battery using the same A cap assembly for a secondary battery in which an insulating member is disposed in a partial or entire terminal plate, resulting in improved stability. The cap assembly includes a terminal plate and an insulating member. The insulating member is disposed in a parti... | 05/31/2011 |
| 7927735 | Secondary battery A secondary battery having a porous filling member that occupies a portion of a molding space between a bare cell and a protective circuit board. The presence of the filling member makes it possible to uniformly apply a molding resin into the molding space and to re... | 04/19/2011 |
| 7901809 | Can-type secondary battery having a cap assembly for reducing excessive heating A can-type secondary battery is adapted to induce a short circuit between metal within the secondary battery when the secondary battery deforms due to an external impact in order to reduce heat generation and improve the safety of the secondary battery. ... | 03/08/2011 |
| 7879487 | Battery having sealed contact terminal bushing A rechargeable battery includes a housing having a housing wall, at least one cell in the housing, and a contact element electrically connected to the at least one cell. The rechargeable battery also includes a plastic sealing element extrusion-coated on the contact... | 02/01/2011 |
| 7858228 | Rechargeable battery A rechargeable battery includes a case having an opening; an electrode assembly accommodated into the case and having first and second electrode taps protruding upwardly; a cap assembly including a cap plate covering the opening of the case and a electrode terminal ... | 12/28/2010 |
| 7858227 | Lithium secondary battery A lithium secondary battery having an electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate. A case receives the electrode assembly and a cap assemb... | 12/28/2010 |
| 7851082 | Accumulator with cover having tip-safe features An accumulator, particularly a lead accumulator, has a housing, which encloses multiple cells, and a block cover, which terminates the housing, including a bottom cover (1) and a top cover (2), between which a gas chamber for acid separation is impleme... | 12/14/2010 |
| 7846579 | Thin film battery with protective packaging A battery comprises a substrate comprising an electrolyte between a pair of conductors, at least one conductor having a non-contact surface. A cap is spaced apart from the non-contact surface of the conductor by a gap having a gap distance dg of from abou... | 12/07/2010 |
| 7759001 | Battery and method of manufacturing the battery A circuit substrate (3) being electrically connected to a rechargeable battery (2) is arranged upon a sealing plate (23) with a gap therebetween and united with the rechargeable battery (2) by filling resin in the gap. A primary mold (... | 07/20/2010 |
| 7749648 | Pouch for secondary battery, secondary battery using the same, and apparatus for sealing pouch cases of secondary battery A pouch for a secondary battery comprising indentations on a sealing area of the pouch is disclosed. At least some of the indentations are filled with the resin layers of the pouch. A secondary battery comprising the pouch, and an apparatus for sealing the pouch are... | 07/06/2010 |
| 7736798 | Lid for batteries and a battery including the lid A lid for an accumulator battery includes a substantially flat main closure element for closing a container of the battery, in which closure element holes are formed, a secondary closure element which is mounted on the main element and in which there are plugs that ... | 06/15/2010 |
| 7732092 | Case for high-power rechargeable lithium battery Disclosed herein is a case which protects a plurality of flexible lithium polymer unit cells, has a compact structure to reduce volume, has a simple assembly process, and minimizes heat generated during a high-power charging or discharging operation. The battery cas... | 06/08/2010 |
| 7678500 | Expandable battery compartment In a battery-powered electrical device, an expandable battery compartment for accommodating batteries of varying size, and a method for altering the size of the battery compartment, is disclosed. The battery compartment includes a battery casing defining a substanti... | 03/16/2010 |
| 7662512 | Rectangular storage battery A square-shaped storage battery including a rectangular accumulator element (16), a sealed case (30) that accommodates the accumulator element, and a resin plate (20) which is formed of a hard resin having insulating properties and interposed be... | 02/16/2010 |
| 7655353 | Battery A battery including a case defining a cavity for housing an electrode assembly, the case having an opening for receiving the electrode assembly, and a cap plate attached to the case to cover the opening, the cap plate including a welded portion that is thicker than ... | 02/02/2010 |
| 7651814 | Electrochemical cell having improved radial seal An electrochemical cell is provided having a cathode can that fits over an anode can to define an anode cavity for retaining active anode material. A cathode assembly is disposed proximal the base of the anode can, and is separated from the anode cavity via a separa... | 01/26/2010 |
| 7575829 | Battery having reduced weight A battery case is disclosed. The case includes a cover bonded to a body such that a bottom of the cover and the body define at least a portion of the interior of a battery. The cover includes a second metal which is bonded to a first metal included in the battery bo... | 08/18/2009 |
| 7572550 | Shock-absorbing structure of battery cover A plurality of shock-absorbing ribs for protecting batteries are formed on an outer surface of the cover. The plurality of ribs are arranged parallel to each other. The plurality of ribs may be crossed in a lattice-like manner. Shock-absorbing projections each for a... | 08/11/2009 |
| 7541111 | Electrochemical cell and fabrication method of the same An electrochemical cell has a container housing a separator and a pair of electrodes impregnated with an electrolyte. The container has a base member having a bottom part and a side part disposed on a top surface of the bottom part along an outer rim of the bottom p... | 06/02/2009 |
| 7432010 | Battery A battery, which can inhibit raise of an internal resistance even when temperature change or mechanical shock is applied, and which has superior productivity is provided. A safety mechanism and a battery cover are installed at an open part of a battery case by caulk... | 10/07/2008 |
| 7410723 | Pouch type secondary battery A battery has enhanced reliability by protecting the battery from external impacts by separately installing a reinforcement structure on a casing and an electrode assembly housed in the casing. The configuration reduces or minimizes volumetric change in the dimensio... | 08/12/2008 |
