...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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 |
| 8142935 | Apparatus for producing a battery plate expanded grid A method where two disk cutter rolls are used to form slits in a staggered pattern in a metal sheet; disk cutters are part of the disk cutter rolls; ridges are arranged in a peripheral edge of the disk cutters; and valleys are arranged between the ridges, where an a... | 03/27/2012 |
| 8088516 | Storage battery electrodes with integral conductors A battery cell has a plurality of first and second electrodes of opposite polarities that are interleaved. Each of the first and second electrodes is a sheet of non-woven fabric having a first edge from which a tab projects, and a second edge transverse to and subst... | 01/03/2012 |
| 8048572 | Long life lead acid battery having titanium core grids and method of their production A lead acid electric storage battery uses conventional lead-acid secondary battery chemistry. The battery may be a sealed battery, an unsealed battery or a conventional multi-cellbattery. It has 12 to 25 cells in a single case. The case is less than 12 inches long a... | 11/01/2011 |
| 8039153 | Storage battery having expanded grid member A storage battery is provided in which an expand grid is improved with respect to the widths of grid wires 1b, the sectional areas of nodes 1e, and the shapes of meshes 1c, whereby the productivity of the expand grid can be ... | 10/18/2011 |
| 7732098 | Lead acid battery having ultra-thin titanium grids A lead acid electric storage battery uses conventional lead-acid secondary battery chemistry. The battery may be a sealed battery, an unsealed battery or a conventional multi-cell battery. The battery has a set of positive battery grids (plates) which are constructe... | 06/08/2010 |
| 7432014 | Anode and battery The invention provides an anode capable of relaxing stress due to expansion and shrinkage of an anode active material layer associated with charge and discharge, or an anode capable of reducing structural destruction of the anode active material layer and reactivity... | 10/07/2008 |
| 7398581 | Method for making battery plates A method of making a plurality of battery plates includes forming a strip including a plurality of battery grids. Each battery grid includes a grid network bordered by a frame element and includes a plurality of spaced apart grid wire elements. Each grid wire elemen... | 07/15/2008 |
| 7332245 | Electrode for electrochemical devices and battery using the same An electrode according to the present invention employs the metal plate having the specified structure as the electrode substrate. The metal plate 51 has a plurality of protuberances 54 that are alternately protruded on both front and back sides thereo... | 02/19/2008 |
| 7314685 | Oxidized titanium as a cathodic current collector A titanium substrate having a thickened outer oxidation layer provided thereon by a treatment process performed either in an air atmosphere at elevated temperatures or through electrolytic oxidation (anodization), is discribed. The thusly conditioned titanium substr... | 01/01/2008 |
| 7279250 | Battery including aluminum components A primary lithium battery can include a current collector that includes aluminum, a cap that includes aluminum, or both. The aluminum battery components can have high mechanical strength and low electrical resistance. ... | 10/09/2007 |
| 7247408 | Lithium anodes for electrochemical cells Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium... | 07/24/2007 |
| 7247409 | Alkaline storage battery and hydrogen storage alloy electrode used therefor The hydrogen storage alloy electrode comprises: a conductive core material; and an active material layer which contains a hydrogen storage alloy powder and is carried on said core material, and the alloy powder has any shape selected from the group consisting of sph... | 07/24/2007 |
| 7223499 | Lead battery A grid is obtained by punching or expanding a sheet comprising a pure lead (Pb: 99.99 mass % or more) plate having a lead-tin alloy layer formed at least on one side of the pure lead plate. By using it as a positive electrode of a lead-acid battery, the problem that... | 05/29/2007 |
| 7029797 | Electrode plate for alkaline storage battery and alkaline storage battery using the same An electrode plate for an alkaline storage battery of the present invention includes a conductive core material as a current collector, in which a plurality of through-holes are linearly provided in the core material so as to be parallel to a longitudinal direction ... | 04/18/2006 |
| 6953641 | Battery grid A method of forming battery grids or plates that includes the step of applying a lead alloy coating to a continuous strip of interconnected battery grids formed from a lead alloy grid material is disclosed. The battery grids may be formed by a continuous battery gri... | 10/11/2005 |
| 6921611 | Method of making a battery A method of making a battery includes forming a strip of interconnected grids from a grid material by feeding a continuous strip of the grid material along a linear path aligned with the longitudinal direction of the strip and punching grid material out of the strip... | 07/26/2005 |
| 6895644 | Battery grids A battery positive grid is continuously cast of lead and thereafter cold worked to reduce its cross sectional thickness to change the microstructure of the lead and provide enhanced corrosion resistance and other properties needed for positive grids. The as cast thi... | 05/24/2005 |
| 6884548 | Nonaqueous electrolyte battery containing an alkali, transition metal negative electrode It is intended to provide a nonaqueous electrolyte battery that satisfies both of a large discharge capacity and a superior cycle life characteristic by developing a novel negative electrode material. A nonaqueous electrolyte battery uses a negative electrode active... | 04/26/2005 |
| 6875536 | Catalytic hydrogen storage composite material and fuel cell employing same A composite hydrogen storage material including 1) an active material having hydrogen storage capacity; and 2) a catalytic material having greater catalytic activity toward the dissociation of molecular hydrogen and/or oxidation of hydrogen than that of said active ... | 04/05/2005 |
| 6800398 | Alkaline storage battery pole plate and production method for alkaline storage battery pole plate and alkaline storage battery A battery used by rolling a pole plate, formed by filling an active material, around a substrate using a band-shaped metal porous body having three-dimensionally linked spaces is inferior in flexibility and likely to short-circuit. According to this invention, groov... | 10/05/2004 |
| 6780543 | Aluminum or aluminum alloy-based lithium secondary battery A first lithium secondary battery of the present invention is formed by placing at least a positive electrode, a negative electrode, and a non-aqueous electrolyte in a battery case in which a positive electrode connecting member to which the positive electrode is co... | 08/24/2004 |
| 6737196 | Method of making a lithium polymer battery and battery made by the method A lithium (Li) polymer battery is provided. The Li polymer battery includes: a positive plate including a positive collector having a plurality of openings and a positive active material layer on at least one surface of the positive collector; a negative plate inclu... | 05/18/2004 |
| 6733926 | Electrochemical cell having a physical vapor deposited electrode and method of manufacture An electrode component for an electrochemical cell or a capacitor is described wherein the electrode is produced by physical vapor depositing an electrode active material onto a substrate to coat the substrate. The thusly produced electrode is useful as a cathode in... | 05/11/2004 |
| 6682851 | Method of manufacturing battery electrode substrate and battery electrode substrate Concave portions and convex portions are formed on a peripheral surface of a thin metal sheet by applying a pressing force thereto while the metal sheet is being embossed; pores are each formed on an apex of each of the concave portions and convex portion... | 01/27/2004 |
| 6678926 | Method and apparatus for manufacturing battery plates An improved apparatus and method for making lead-acid storage battery plates comprising an alignment puncher for creating a plurality of alignment holes in a lead strip as the lead strip is progressively expanded and cut into a grid like pattern on an exp... | 01/20/2004 |
| 6653013 | Current collecting lugs in a cylindrical battery A battery comprising an electricity-generating element comprising a strip-form positive electrode, a strip-form negative electrode, and a strip-form separator, said positive electrode and said negative electrode being spirally wound through said separator... | 11/25/2003 |
| 6620506 | Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity Fluid permeable graphite article in the form of a perforated flexible graphite sheet having increased electrical and thermal conductivity transverse to the surfaces of the sheet.... | 09/16/2003 |
| 6541157 | Nonaqueous electrolyte battery having large capacity and long cycle life It is intended to provide a nonaqueous electrolyte battery that satisfies both of a large discharge capacity and a superior cycle life characteristic by developing a novel negative electrode material. A nonaqueous electrolyte battery uses a negative elect... | 04/01/2003 |
| 6506484 | Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity Fluid permeable graphite article in the form of a perforated flexible graphite sheet having increased electrical and thermal conductivity transverse to the surfaces of the sheet.... | 01/14/2003 |
| 6479179 | Source of electrical power for an electric vehicle and other purposes, and related methods Microthin sheet technology is disclosed by which superior batteries are constructed which, among other things, accommodate the requirements for high load rapid discharge and recharge, mandated by electric vehicle criteria. The microthin sheet technology h... | 11/12/2002 |
| 6461771 | Method for providing a chemically machined current collector The basket weave structures has a lattice construction surrounded by a frame and comprising first strand structures intersecting second strand structures to provide a plurality of diamond-shaped openings or interstices bordered by the strands. The strand ... | 10/08/2002 |
| 6455201 | Method of manufacturing battery electrode substrate and battery electrode substrate Concave portions and convex portions are formed on a peripheral surface of a thin metal sheet by applying a pressing force thereto while the metal sheet is being embossed; pores are each formed on an apex of each of the concave portions and convex portion... | 09/24/2002 |
| 6451472 | Lithium battery and manufacturing method thereof A lithium polymer battery having a positive electrode including a positive electrode current collector and positive electrode sheets on at least one surface of the positive electrode current collector, the positive electrode sheets having a positive elect... | 09/17/2002 |
| 6447957 | Metal foil for collector and method of manufacturing the same, collector for secondary battery and secondary battery A collector for a secondary battery includes a metal foil having throughholes shaped or arranged to achieve an increased hole area ratio to improve an active material's adhesion thereto. A throughhole in the metal foil has a largest dimension of at least ... | 09/10/2002 |
| 6410189 | Current collectors for battery This invention provides a polymer rechargeable battery, which is obtained by integrally holding a separator, which comprises a polymer and a plasticizer, between positive and negative electrodes and then replacing the plasticizer with an electrolyte solut... | 06/25/2002 |
| 6410181 | High temperature lithium oxyhalide electrochemical cell An alkali metal electrochemical cell, and particularly a lithium oxyhalide cell, is described. The oxyhalide cell also exhibits superior restart characteristics by the provision of a MANNIGLASS 1200 separator.... | 06/25/2002 |
| 6399253 | Secondary battery with planar electrodes having collectors with polygonal through holes A collector, an electrode and a secondary battery adopting the same. The secondary battery includes: an electrode assembly having electrodes obtained by attaching an active material sheet to at least one side of a flat collector with a plurality of throug... | 06/04/2002 |
| 6385829 | Manufacturing method for a lead-acid battery electrode plate A lead-acid battery electrode plate is manufactured by consecutively supplying a lead or lead alloy sheet; leaving a part in the vicinity of the center of the sheet as a non-expansion portion and expanding both sides like mesh to form a grid body; filling... | 05/14/2002 |
| 6383675 | Lanthanum nickel compound/metal mixture as a third electrode in a metal-air battery In one embodiment, the present invention relates to a third electrode for use in a metal-air tricell comprising a support structure coated with a layer of a lanthanum nickel compound and at least one metal mixture, wherein the mixture is adhered to the su... | 05/07/2002 |
| 6367131 | Method for producing grid for a lead storage battery A method for producing a grid for a lead storage battery has a first step, a second step and a cooling step performed between the first and second step. In the first step, lead alloy is sequentially rolled over a plurality of rolls. In the second step, th... | 04/09/2002 |