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| Number | Title | Issue Date |
| 6629767 | Lighting device The portable lighting device of the present invention includes a casing defining a battery compartment. The battery compartment may be lined with a shock absorbing material and may be configured to receive a plurality of batteries arranged in at least two... | 10/07/2003 |
| 6598993 | Lighting device A lighting device (10) comprises a generally tubular body (12) having a dry cell cavity (14) adapted to contain one or more dry cells (16) for powering the light, the body having a rearward end (18) and a forward end (20). A cylindrical translucent lens (... | 07/29/2003 |
| 6457841 | Flashlight having a pivoting head A flashlight is disclosed having a body and a flashlight head in which a light bulb is mounted. The body includes a housing that defines a battery compartment, a pair of arms extending from a front end of the housing for mounting the flashlight head betwe... | 10/01/2002 |
| 6454433 | Dual faceted reflector A reflector comprising a concave body having a first region, a second region and a third region. The first region includes first facets and the second region includes second facets. The third region has a smooth surface. The first region is separated from... | 09/24/2002 |
| 6395422 | Additives for electrochemical cells Polyoxyalkylene nitrogen containing compounds are useful in electrochemical cells having an acidic electrolyte to inhibit gassing and leakage.... | 05/28/2002 |
| 6238818 | In-line dry cell cartridge or housing The invention relates to a housing which receives dry cells in an in-line or end to end orientation. The invention includes features which prevent the incorrect orientation by preventing dry cell terminals making contact with the necessary components. In ... | 05/29/2001 |
| 6231208 | Portable lighting device A portable lighting device according to the present invention includes a battery housing, a light source supported at a first end of the battery housing, and a shroud extending outward from the first end of the battery housing circumferentially around the... | 05/15/2001 |
| 6221532 | Paper separators for electrochemical cells Paper for use as a separator in an electrochemical cell completely absorbs a 50 μl drop of water placed thereon in a time of not less than four minutes and not greater than fifteen minutes at 20° C. and provides an improve cell having less leakage and c... | 04/24/2001 |
| 6202842 | Product packaging and method of packing a product A display card retains a flashlight thereon, wherein the flashlight has a body comprising two body halves, each body half defining a portion of an interior cavity and are matingly abutted one to the other. The mated halves further define at least two slot... | 03/20/2001 |
| 6181067 | Portable lighting product, a portable lighting product circuit and a functioning method for a portable lighting product circuit The present invention relates to a circuit for a portable lighting product such as flashlight, lantern, desk lamp, area light, combination area light and flashlight, front and rear bicycle light, emergency light, night light, rechargeable versions of any ... | 01/30/2001 |
| 6070990 | Card light having a cover being an adhesively attached label A card light assembly comprising a generally flat polymeric tray having inner and outer surfaces and a pair of ends, a peripheral rim on the inner surface, an electrochemical cell-receiving recess in the inner surface, and a LED-receiving recess at one of... | 06/06/2000 |
| 6004003 | Portable lighting device A portable lighting device according to the present invention includes a battery housing, a light source supported at a first end of the battery housing, and a shroud extending outward from the first end of the battery housing circumferentially around the... | 12/21/1999 |
| 5998742 | High speed high accuracy active force transducer A force transducer and method of measuring an applied force such as a weight of material, comprising a balance beam, said balance beam being supported at a preset position on a base at a fulcrum between its two ends, a voice coil actuator comprising an el... | 12/07/1999 |
| 5869205 | Electrochemical cell having multiple anode compartments An electrochemical cell is provided having a first electrode, such as a cathode, and a plurality of second electrodes, such as anodes, provided in a cell container. A plurality of cavities are formed within the cathode. A separator and anode are disposed ... | 02/09/1999 |
| 5856042 | Electrochemical cells using a polymer electrolyte A cathode is comprised of a major amount of active cathode material and a binding amount of an ionically nonconductive prepolymeric composition. Polymer electrolyte electrochemical cells can be made using these cathodes.... | 01/05/1999 |
| 5849046 | Electrochromic thin film state-of-charge detector for on-the-cell application A tester for use in determining the voltage and state-of-charge of a battery. The tester can be permanently mounted on the battery and employs an electrochromic cell which changes visual appearance, for example, color or intensity of color when electrical... | 12/15/1998 |
| 5846672 | Indented electrode cup for a miniature galvanic cell A miniature galvanic cell employing a cell housing comprising an indented cup, such as a beaded cup, and can wherein the indented area is disposed at the vicinity of the open end of the cup so that effectively the majority of the cross-section thickness o... | 12/08/1998 |
| 5843597 | Ribbed gasket for miniature galvanic cell A miniature type of galvanic cell employing a novel ribbed gasket that has a rigid rib segment that will reduce any bowing of the central area of a flat electrode, such as a positive electrode of an air depolarized cell. A process is disclosed for produci... | 12/01/1998 |
| 5830596 | Method for producing battery tester label and resulting label and battery assembly A method for producing a battery tester label is disclosed. The method includes forming an inserted tester device and a base layer, which are combined together to form the battery tester label. The resulting tester label can be applied to a battery. Also ... | 11/03/1998 |
| 5760588 | Dual rate thermochromic battery tester The thermochromic battery tester comprises a conductive heating element having one end including at least two switch pads for selective coupling of the conductive heating element to a second terminal of the battery. Each of the switch pads provides a diff... | 06/02/1998 |
| 5737114 | Label having an incorporated electrochromic state-of-charge indicator for an electrochemical cell A label for electrochemical cell employs an electrochromic material so that when the material is connected to power provided by the electrochemical cell, the material will undergo a visible change as a result of a chemical reaction.... | 04/07/1998 |
| 5712058 | Miniature galvanic cell having optimum internal volume for the active components A miniature galvanic cell employing a cover-gasket assembly in which the gasket component occupies less than 8% of the internal volume of the cell and a process for producing the galvanic cell.... | 01/27/1998 |
| 5709962 | Cell tester device employing spaced apart electrochromic electrodes A tester label for electrochemical cells employing two spaced apart electrically conductive electrochromic electrodes in which an ionically conductive electrolyte is disposed on the electrodes and in the space between the electrodes to produce a two-layer... | 01/20/1998 |
| 5708350 | Recharging method and temperature-responsive overcharge protection circuit for a rechargeable battery pack having two terminals An overcharge protection circuit for a battery pack and a method of recharging a battery pack in which a charging adaptor having two charging terminals may be used for a metal hydride battery pack, or the like, despite the fact that such a charging adapto... | 01/13/1998 |
| 5700299 | Battery core winder and method of winding a battery core A battery core winding apparatus for winding into an electrochemical cell, a plurality of flexible strip members comprising a first conducting flexible electrode having a first leading edge, a second conducting flexible electrode having a second leading e... | 12/23/1997 |
| 5672440 | Cell tester device employing a cathodically depositable metal ion electrolyte solution A cell tester device for use on an electrochemical cell which comprises an electrolyte containing a cathodically reducible metal ion that changes its visible appearance when it is reduced upon application of a power source.... | 09/30/1997 |
| 5667538 | Electrochromic thin film state-of-charge detector for on-the-cell application A tester for use in determining the voltage and state-of-charge of a battery. The tester can be permanently mounted on the battery and employs an electrochromic cell which changes visual appearance, for example, color or intensity of color when electrical... | 09/16/1997 |
| 5626978 | Method for securing a tester device to a battery and the battery so produced A method for encasing a battery with a label containing an integral test circuit device that is thermally insulated from the battery and is activated by depressing a selected area of the label whereupon a thermally sensitive material associated with the t... | 05/06/1997 |
| 5604049 | Battery with tester label and method for producing it A battery encased with a label containing an integral test circuit device that is thermally insulated from the battery by an expanded material and is activated by depressing a selected area of the label whereupon a thermally sensitive material associated ... | 02/18/1997 |
| 5599644 | Cathodes for electrochemical cells having additives A cathode for use in an electrochemical cell having an anode and an electrolyte. The cathode includes a manganese dioxide active material and an additive which includes at least one of SnO2, Fe2 O3 -TiO2, TiO | 02/04/1997 |
| 5569564 | Alkaline cell having a cathode including a titanate additive A cathode for use in an electrochemical cell having an anode and an electrolyte. The cathode includes a manganese dioxide active material and a titanate additive which includes at least one of BaTiO3 or K2 TiO3. The cathod... | 10/29/1996 |
| 5538806 | Battery with tester label and method for producing it A battery encased with a label containing an integral test circuit device that is activated by depressing a selected area of the label whereupon a thermally sensitive material displays whether the battery has capacity. A method for producing the test circ... | 07/23/1996 |
| 5535107 | Combination gas recombination/venting means for portable lighting device An electrochemically operated device such as a portable lantern, with a waterproof housing enclosing at least one galvanic battery cell which evolves hydrogen gas, and a push button switch in the housing, a shiftable boot exposed to the housing exterior a... | 07/09/1996 |
| 5525435 | Hydrogen storage materials A hydrogen storage material for use in various hydrogen absorber devices such as electrochemical cells, hydrogen separator devices, temperature sensors and the like, having the formula: R6-x R'x T11-y T'y X3-z | 06/11/1996 |
| 5525439 | Battery voltage tester for end of cell having indicator disposed on battery side A battery is provided with an end-of-cell voltage indicating device which can be used to indicate the state-of-charge of the battery. The indicating device has a flexible substrate of the same peripheral configuration as the battery. The substrate has an ... | 06/11/1996 |
| 5516339 | Process for making electrochemical cells using a polymer electrolyte A process for preparing an electrochemical cell that remains inactive until ionizable electrolyte salt solution is added to the cell housing after assembling into the cell housing the remaining components including an ionically nonconductive prepolymeric ... | 05/14/1996 |
| 5514491 | Nonaqueous cell having a lithium iodide-ether electrolyte A nonaqueous cell employing a pure lithium or lithium alloy anode, an iron sulfide-containing cathode, such as FeS2, and a liquid organic electrolyte consisting of lithium iodide dissolved in at least a 97 percent by volume ether solvent such a... | 05/07/1996 |
| 5510204 | Galvanic cell with an anode electrode that extends up to at least 80 perent of the height of the cathode electrode A galvanic cell employing an anode electrode that is disposed within the cathode electrode, and that extends up to at least 80 percent of the height of the cathode electrode.... | 04/23/1996 |
| 5501924 | Alkaline cell having a cathode including a tin dioxide additive A cathode for use in an electrochemical cell having an anode and an electrolyte. The cathode includes a manganese dioxide active material and an additive which includes SnO2. The cathode of the present invention is particularly adapted for use ... | 03/26/1996 |
| 5494496 | Battery voltage tester for end of cell A battery is provided with an end-of-cell voltage indicating device which can be used to indicate the state-of-charge of the battery. The indicating device has a flexible substrate of the same peripheral configuration as the battery. The substrate has an ... | 02/27/1996 |
