ROVCAL, INC. Patent applications |
Patent application number | Title | Published |
20130177801 | LITHIUM PRIMARY CELL - The present disclosure is directed to a primary electrochemical cell having an improved discharge performance, and/or improved reliability under physical abuse and/or partial discharge. More particularly, the present disclosure is directed to such a primary cell that comprises an improved cathode material comprising iron disulfide and a select pH-modifier and an improved non-aqueous electrolyte that comprises a solvent, a salt, pH-modifiers, and selected organic or inorganic additives, which improve cell stability and discharge performance. | 07-11-2013 |
20130115530 | Copper Alloy Metal Strip For Zinc Air Anode Cans - The present disclosure generally relates to a zinc air cell having an anode can made of a copper alloy. The anode can material reduces internal gassing within the electrochemical cell while being compatible with the internal chemistry of the anode and the alkaline electrolyte of the cell itself. | 05-09-2013 |
20120291797 | HAIR STYLING APPARATUS HAVING HAIR-PROTECTION FUNCTION - A hair styling apparatus includes a hair-heating device for applying heat to hair. The hair-heating device has a moisture-temperature setting and a dry-temperature setting less than moisture-temperature setting. A moisture sensor detects a moisture-indicating parameter of the hair, and generates a moisture-indicating signal indicative of whether the hair is at or below a predetermined moisture threshold level. A control circuit adjusts the temperature of the hair-heating device from the moisture-temperature setting to the dry-temperature setting in response to the moisture sensor generating a moisture-indicating signal indicative of the hair being at or below the predetermined moisture threshold level. The hair-heating device is active in the dry-temperature setting. | 11-22-2012 |
20120233866 | Electric Hair Grooming Appliance Including Touchscreen - An electric hair grooming appliance is configured to have one or more operations to facilitate grooming of hair. The electric hair grooming appliance includes a control circuit, and a touchscreen for receiving one or more inputs from a user and to facilitate communication between the user and the control circuit. The touchscreen is configured to send one or more command signals to the control circuit in response to receiving the one or more inputs from the user. The control circuit is configured to control one or more operations of the electric hair grooming appliance in response to receiving one or more of the command signals. | 09-20-2012 |
20120233865 | Adjustable Comb Assembly For Hair Cutting Appliance - An adjustable comb assembly, which is attachable to an electric hair cutting appliance of the type including opposing cutting blades defining a cutting edge margin for cutting hair, includes a plurality of teeth for regulating a haircut length resulting from the hair being cut by the cutting edge margin of the electric hair cutting appliance. The teeth are selectively movable relative to the cutting edge of the electric hair cutting appliance to any one of a substantially infinite number of different haircut length positions within a range from a maximum haircut length position, in which the comb assembly facilitates cutting hair to a maximum haircut length, to a minimum haircut length position, in which the comb assembly facilitates cutting hair to a minimum haircut length. | 09-20-2012 |
20120211018 | HAIR STYLING APPARATUS HAVING SELECTIVELY ADJUSTABLE CURLING COMPONENT - A hair styling apparatus includes a curling component generally proximate to the hair-heating surface and operatively connected to at least one of first and second arms of the apparatus. The curling component has a curling edge selectively movable laterally with respect to a hair-heating surface of the apparatus to configure the curling component between a retracted configuration, in which the curling edge is spaced a retracted lateral distance from a lateral edge of the hair-heating surface, and an extended configuration, in which the curling edge is spaced an extended lateral distance, greater than the retracted lateral distance, from the lateral edge of the hair-heating surface. | 08-23-2012 |
20120192436 | Electric Hair Trimmer Having Arched Detailer - An electric hair trimmer includes a handle having a drive motor and a cutter head connected to the handle. The cutter head includes a housing having a pair of cutting blades extending from an end of the housing and disposed adjacent to one another. At least one of the blades is adapted for motion relative to the other blade to cut hair, and each of the blades has a curved shape at a terminal end. | 08-02-2012 |
20120192428 | Electric Shaver With Moisturizing Bar - A shaver includes a body, a shaver head including at least one shaving surface, and at least one electrically powered blade in the body adjacent the shaver head. The shaver also includes a receiver assembly connected to the body adjacent the head and a solid lubricant bar removably mounted in the receiver. The bar is mounted for removal from the shaver. | 08-02-2012 |
20120015856 | UNIVERSAL AQUEOUS CLEANING SOLUTION FOR ELECTRIC SHAVERS - The present disclosure generally relates to a method for cleaning a shaving device using a cleaning solution and preparation of the cleaning solution. More particularly, the present disclosure relates to a method of cleaning a shaving device using an environmentally friendly cleaning solution. | 01-19-2012 |
20110294004 | ALKALINE CELL WITH ADDITIVE FOR IMPROVED DISCHARGE PERFORMANCE - The present disclosure generally relates to an alkaline electrochemical cell comprising an additive for improved discharge performance. The additive is a finely dispersed superabsorbent material comprising particles having a substantially uniform shape and a small particle size relative to typical materials used in alkaline cells. The superabsorbent material results in enhanced discharge performance of the alkaline cell by increasing access of zinc to the electrolyte. | 12-01-2011 |
20110289777 | ELECTRIC HAND-HELD HAIR CUTTING APPLIANCE WITH BLADE CLAMPING DEVICE - A blade head assembly for a hand-held hair cutting appliance includes a blade clamping device urging a cutting edge margin of a second blade in sliding engagement with a cutting edge margin of a first blade. The blade clamping device includes a clamping head operable for pivoting generally toward and generally away from the second blade about a pivot axis. The clamping head is resiliently biased generally toward the second cutting blade about the pivot axis into sliding engagement with the second blade. The second blade is slidable relative to the clamping head during reciprocating movement of the second blade relative to the first blade. | 12-01-2011 |
20110277333 | HAIR DRYER CONTAINING A SILICONE HAIR CONDITIONING COATING - The present disclosure generally relates to a hair dryer comprising a protective grill having a composition deposited thereon, or present therein, for conditioning hair. More particularly, the conditioning composition comprises a cross-linked siloxane polymer and a silicone conditioning agent. Operation of the hair dryer initiates emission and transfer of the conditioning agent from the protective grill onto the hair surface of a user thereof. | 11-17-2011 |
20110240055 | COATINGS FOR PERSONAL GROOMING APPARATUS CONTAINING CALCIUM CARBONATE DERIVED FROM MOLLUSK SHELLS OR PEARLS - This disclosure relates to personal grooming apparatus that include coatings on the surface thereof that incorporate calcium carbonate derived from the shell of a mollusk and/or from a mollusk pearl. Other aspects of the present disclosure relate to methods for producing such apparatus, and methods of grooming the hair or skin of an individual. | 10-06-2011 |
20110240053 | STATIC DISSIPATIVE PERSONAL CARE APPARATUS FOR GROOMING HAIR - This disclosure relates to personal grooming apparatus that include coatings on the surface thereof that incorporate static dissipative additives that reduce the static build-up in the hair of users as compared to conventional apparatus. Other aspects of the present disclosure relate to methods for producing such apparatus, and methods for grooming the hair of an individual. | 10-06-2011 |
20110070487 | NOVEL METAL AIR CATHODE MANGANESE OXIDE CONTAINED IN OCTAHEDRAL MOLECULAR SIEVE - An oxygen reduction electrode, e.g., an air cathode, comprising manganese oxides having octahedral molecular sieve structures as active catalyst materials and use of such an electrode as a component of a metal-air cell. | 03-24-2011 |
20100275446 | ROTARY ELECTRIC SHAVER - A rotary electric shaver generally includes a handle assembly including a housing, a motor disposed in the housing, a plurality of drive shafts operatively connected to the motor and extending at least in part exterior of the housing, and a head assembly mount separate from the plurality of drive shafts, wherein the head assembly mount has a longitudinal axis. A shaver head assembly is positionable on the handle assembly, and the shaver head assembly has a circumference and includes a plurality of inner cutters each operatively connectable to a respective one of the drive shafts for conjoint rotation therewith, and a plurality of outer cutters each corresponding to a respective one of the inner cutters. The shaver head assembly is configured for mounting on the head assembly mount such that the shaver head assembly is capable of pivoting movement relative to the handle housing about the entire circumference of the shaver head assembly. | 11-04-2010 |
20100233533 | Alkaline Cell With Performance Enhancing Additives - Alkaline electrochemical cells having extended service life and acceptable gassing and corrosion properties are disclosed. An amphoteric surfactant can be incorporated into the gelled anode mixture of an alkaline electrochemical cell, optionally with an organic phosphate ester surfactant or a sulfonic acid type organic surfactant or both. Zinc particles having a defined distribution of particle sizes can also be incorporated into a zinc anode. The electrolyte included, in the anode mixture can have a reduced hydroxide concentration. | 09-16-2010 |
20100229396 | ELECTRIC HAIR CUTTING APPLIANCE WITH COUNTER WEIGHT - A hand-held hair cutting appliance has a housing, a first cutting blade, and a second cutting blade. The first cutting blade is capable of reciprocating movement relative to the housing. A drive assembly is operatively connected to the first cutting blade for drivingly reciprocating the first cutting blade relative to the housing such that the first cutting blade is moveable in a side to side direction relative to the housing and the second cutting blade. A counter weight is adapted for reciprocating movement relative to the housing in response to reciprocating movement of the first cutting blade. The counter weight has at least one of a mass and a location relative to the first cutting blade to thereby at least partially counter-balance the reciprocating movement of the first cutting blade. | 09-16-2010 |
20100163071 | SILICONE AND SILOXANE-BASED IMPREGNATED COATING AND POLYMERIC MATERIALS FOR CONDITIONING - The present disclosure generally relates to a personal care device comprising an immiscible conditioning composition formed by combining a hydrophilic matrix, such as a polymeric material, and a hydrophobic conditioning agent. More particularly, the present disclosure relates to a personal care device comprising a hydrophilic matrix, such as a polymeric material, and a hydrophobic conditioning agent dispersed therein, such as a silicone or a siloxane-based agent suitable for transferring from the device surface, and more particularly the matrix surface, to hair or skin surfaces in contact therewith. | 07-01-2010 |
20100112431 | SEPARATORS FOR ALKALINE ELECTROCHEMICAL CELLS - The present invention relates to a high capacity electrochemical cell having a cathode containing an oxide of copper as an active material, as well as an anode, an electrolyte, and separators for use with the cathodes of the invention in an alkaline electrochemical cell. | 05-06-2010 |
20090165730 | PET ENCLOSURE - A collapsible pet enclosure is provided. The enclosure includes a pliable cover supported by a rigid, but foldable, frame. The cover includes an opening in a top panel such that the enclosure is top loading. The cover is completely removable from the frame so that it can be machine washed. The frame is of one-piece jointed construction so that it is collapsible for easy transportation or storage. Because all frame components are jointedly attached to one another, the frame does not include any loose components that are easily lost. The enclosure is quick and easy to set up and collapse. | 07-02-2009 |
20090081501 | ON-DEMAND HYDROGEN GAS GENERATION DEVICE - The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom. The present disclosure additionally or alternatively relates to such an on-demand hydrogen gas generation device that comprises a gas management system designed to maximize the release or evolution of hydrogen gas, and in particular dry hydrogen gas, therefrom once it has been formed, thus maximizing hydrogen gas output. The present disclosure is still further directed to a fuel cell comprising such an on-demand hydrogen gas generation device, and in particular a fuel cell designed for small-scale applications. | 03-26-2009 |
20090081497 | ON-DEMAND HIGH ENERGY DENSITY HYDROGEN GAS GENERATION DEVICE - The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom. The present disclosure additionally or alternatively relates to such an on-demand hydrogen gas generation device that comprises a gas management system designed to maximize the release or evolution of hydrogen gas, and in particular dry hydrogen gas, therefrom once it has been formed, thus maximizing hydrogen gas output. The present disclosure is still further directed to a fuel cell comprising such an on-demand hydrogen gas generation device, and in particular a fuel cell designed for small-scale applications. | 03-26-2009 |
20090078568 | ON-DEMAND HYDROGEN GAS GENERATION DEVICE HAVING GAS MANAGEMENT SYSTEM - The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom. The present disclosure additionally or alternatively relates to such an on-demand hydrogen gas generation device that comprises a gas management system designed to maximize the release or evolution of hydrogen gas, and in particular dry hydrogen gas, therefrom once it has been formed, thus maximizing hydrogen gas output. The present disclosure is still further directed to a fuel cell comprising such an on-demand hydrogen gas generation device, and in particular a fuel cell designed for small-scale applications. | 03-26-2009 |
20090042072 | ON-DEMAND HYDROGEN GAS GENERATION DEVICE WITH PRESSURE-REGULATING SWITCH - The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom. The present disclosure additionally or alternatively relates to such an on-demand hydrogen gas generation device that comprises a gas management system designed to maximize the release or evolution of hydrogen gas, and in particular dry hydrogen gas, therefrom once it has been formed, thus maximizing hydrogen gas output. The present disclosure is still further directed to a fuel cell comprising such an on-demand hydrogen gas generation device, and in particular a fuel cell designed for small-scale applications. | 02-12-2009 |
20080235980 | CENTRIFUGAL SPRAYER AND HAIR DRYER HAVING THE SAME FOR APPLICATION OF A HAIR TREATMENT LIQUID - A hand held personal care appliance, such as a hair dryer, has a liquid delivery system for delivering a spray of liquid from the appliance. The liquid delivery system has a reservoir for containing a supply of liquid and a liquid transfer system. A rotatable drum has a surface in fluid communication with the liquid transfer system for receiving liquid onto the surface of the drum. A drive system rotates the drum such that the liquid is thrown from the drum by centrifugal force of the rotating drum for delivering liquid from the appliance in the form of a spray of droplets. In some embodiments, the fluid transfer system includes a first wick for delivery of the liquid to the drum and a second wick for delivery of liquid to the first wick. The reservoir and other parts of the liquid delivery system may be a disposable cartridge. | 10-02-2008 |
20080210271 | METHOD AND APPARATUS FOR CLEANING THE CUTTING SYSTEM OF AN ELECTRIC SHAVER - By providing a shaver receiving and supporting housing which is constructed for enabling cleaning fluid to be delivered directly to the interior of a shaver in a highly efficient manner, a fully integrated shaving cleaning system is realized which is capable of providing automated cleaning of the shaver in an efficient and effective manner. In accordance with the present invention, the cleaning fluid if forced through portals formed in the shaver for enabling the fluid to be forcibly delivered directly into the hair pocket of the shaver, thereby enabling the surfaces of the hair pocket, the cutting foils, and the cutting blades to be completely and thoroughly cleaned, with the fluid draining out of the shaver through the cutting foils. In addition, the present invention is constructed for thoroughly and completely cleaning both rotary shavers and foil shavers. | 09-04-2008 |