...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8050545 | Portable scent delivery device A personal, portable scent delivery device including a portable housing which is either a housing adapted to be worn by a user in close proximity to a nose of a user, or is a portable electronic device which is used by the user in close proximity to the nose of the ... | 11/01/2011 |
| 7917018 | Wearable chemical dispenser Disclosed herein are wearable devices for dispensing insect repellents, fragrances, and/or other chemicals along the outside of the clothing of a human, to avoid the need to apply such chemicals directly to clothing or to human's skin. The devices have an on/off swi... | 03/29/2011 |
| 7734159 | Dispersion device for dispersing multiple volatile materials A dispersion device for dispersing volatile materials includes a housing and a plurality of receptacles containing volatile material therein. The device also includes a means for generating or permitting two or more airflows that exit the housing and a switch for ad... | 06/08/2010 |
| 7548684 | Air treatment apparatus and refill pack Air treatment apparatus comprises an electric heating element (5) and a refill pack containing wax or paraffin granules (2) incorporating a fragrance or other active substance eg. insect repellent. In another embodiment heat is supplied by a exothermic... | 06/16/2009 |
| 7542664 | Vaporizer with night light The present invention provides vapor dispensing devices having improved refill units, detectors which sense changes in the environments surrounding the device, and optionally, make corresponding changes to the device and/or auxiliary devices, volatizable material de... | 06/02/2009 |
| 7532810 | Portable electrical appliance with diagnostic system A portable heater incorporates a housing, heating element, outlet for heat generated by the heating element, and diagnostic testing capabilities that test for defective or abnormal conditions of various safety features and report their status. The features include a... | 05/12/2009 |
| 7519279 | Plug and heating element assembly for a diffusing device for volatile substances An assembly comprising a plug and a heating element. The plug comprises a body in which conducting poles are mounted for connection to an electrical socket, and the heating resistance comprises a body in which at least one electrical heating element, connected by me... | 04/14/2009 |
| 7440683 | Vapor-emitting device with an active end of use indicator Vapor-emitting devices according to various embodiments of the invention include active end of use indicators to warn users that it is nearing the time and/or time to replace the vapor-emitting device or a refill for the device. Some embodiments of the vapor-emittin... | 10/21/2008 |
| 7437061 | Portable scent delivery device The portable scent delivery device employs a housing and scent generator which selectively releases scent. The housing is suitably a headset, hat, shoulder harness or personal electronic device like a mobile telephone. The scent travels to the user's nose by diffusi... | 10/14/2008 |
| 7429361 | Method and apparatus for providing precursor gas to a processing chamber In one embodiment, an apparatus for generating a gaseous chemical precursor used in a vapor deposition processing system is provided which includes a canister comprising a sidewall, a top, and a bottom encompassing an interior volume therein, an inlet port and an ou... | 09/30/2008 |
| 7400822 | Active substance evaporator An evaporator device for active substances is designed for using active substances established in a paper tablet or the like, or in a tray with a semipermeable membrane, in gel form, comprising a base body with a U-shaped profile inside coupled by insertion to a sup... | 07/15/2008 |
| 7398013 | Vaporizer features The present invention provides vapor dispensing devices having improved refill units, detectors which sense changes in the environments surrounding the device, and optionally, make corresponding changes to the device and/or auxiliary devices, volatizable material de... | 07/08/2008 |
| 7376344 | Scent delivery device The scent delivery device employs a housing and scent generator which selectively releases scent. The housing is mounted on a counter and allows a user to selectively sample a variety of scent. The scent travels to the user's nose by diffusion. ... | 05/20/2008 |
| 7367334 | Fluid vaporizing device having controlled temperature profile heater/capillary tube A fluid vaporizing device useful for vaporizing fluid into an aerosol includes a capillary tube made from an electrically conductive material, an upstream electrode connected to the capillary tube, and a downstream electrode connected to the tube and provided with a... | 05/06/2008 |
| 7362964 | Humidifier with ultraviolet lamp A humidifier that includes two water reservoir compartments connected via an opening large enough to allow exchange of water between the two compartments, and an ultraviolet lamp that irradiates on the water in the smaller of the two compartments downstream of the l... | 04/22/2008 |
| 7357561 | Evaporator device for active substances with an incorporated light The device forms a single unit that includes the way by which the evaporation of active substances is achieved, as well the way that allows automatically lighting a small lamp or LED that emits a small light illuminating the container of the active substance to be e... | 04/15/2008 |
| 7352960 | Modified air freshener device A heating device for the vaporization of active substances, such as air freshener fragrances, disinfectants, sanitizing agents, insecticides and the like, in which a wick is immersed in a fluid active substance and heat is applied to produce vaporization. The heatin... | 04/01/2008 |
| 7341698 | Electrical evaporator including fan and louver structure An evaporator, for use with a bottle containing a substance to be evaporated and a wick that has its lower portion disposed within the bottle and its upper portion protruding from the bottle, includes a housing in which the bottle is retained, a fan, disposed within... | 03/11/2008 |
| 7329839 | Cover for a candle warmer An apparatus for a candle warming device is disclosed for providing a decorative covering over the candle warming device and for supporting a wax-filled glass candle placed upon a candle warmer. The cover includes a perimeter wall having a base portion defining a fi... | 02/12/2008 |
| 7323207 | Method and apparatus for fingerprint detection A portable apparatus for detecting latent fingerprints that discharges a vapor of a cyanoacrylate-containing solution. The apparatus comprises a reservoir for holding a liquid solution comprising cyanoacrylate, a valve for controlling the release of the solution thr... | 01/29/2008 |
| 7324744 | Multi-orientation low profile dual outlet volatile dispenser The invention provides means within an improved vapor dispensing device to accommodate or compensate for multiple orientations of an outlet into which the device is to be inserted. Orientation compensation is accomplished by inverted and/or rotatable electrical adap... | 01/29/2008 |
| 7318653 | Multiple function wall cover plate A multiple function wall cover plate includes a night light, air freshener, and receptacles that replace the existing wall cover plate by single screw disassembly and that can be fastened again in seconds without any risk of contacting hot wires. The user can simply... | 01/15/2008 |
| 7311883 | System for regulating evaporation intensity in insecticidal freshener devices and the like The system is based on a change in the intensity of evaporation caused by a chimney effect, modifying the flow of air that circulates through the environment apparatus in the surrounding area of the wick. It consists of using a casing (1) with slots (6... | 12/25/2007 |
| 7313321 | Methods and apparatus for a discrete vapor-dispensing device A vapor-dispensing or other environment-altering apparatus is configured to integrate with a receptacle in a discreet manner. In accordance with one embodiment of the invention, an environment-altering apparatus is configured to mimic an electrical receptacle having... | 12/25/2007 |
| 7309387 | Methods and apparatus for a low-profile air purifier An air purifier having dimensions that enable the air purifier to be more discrete is disclosed. The air purifier also includes components that enable the air purifier to mimic a particular environment in which the air purifier may be placed. In addition, the air pu... | 12/18/2007 |
| 7310539 | Portable communication device with plural olfactory cuing A portable communication device includes a body (11) having a container (111) and a buffer room (115), and a plurality of fragrance releasing apparatuses (12) housed in the container. The body houses main circuitry therein. The buffer roo... | 12/18/2007 |
| 7277626 | Illuminated air freshener Disclosed is a novel apparatus and method that combines a nightlight and an air freshener in a single device. The apparatus includes circuitry where a single resistor heats a heating block that heats and releases a volatile aromatic. The resistor also limits the cur... | 10/02/2007 |
| 7252805 | Device for vaporising and diffusing oils A device which uses a heat source for heating and diffusing fragrant oils or insecticidal oils. The oil is contained in a reservoir remote from the heat source and the device comprises means for transferring the oil from a reservoir to a surface of a heat-absorbing ... | 08/07/2007 |
| 7225998 | Apparatus and method for preparing and delivering fuel A method and apparatus for vaporizing liquid fuel. The apparatus includes at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end; a fluid control valve for placing the inlet end of the at least one capillar... | 06/05/2007 |
| 7223166 | Automatic scent dispensing system An automatic scent dispensing system for distributing scents on a user-adjustable schedule without requiring user attention. The system includes a tank system for holding a scent substance that includes a reservoir, and a pump. A dispensing nozzle is mountable on an... | 05/29/2007 |
| 7215878 | Chip that comprises an active agent and an integrated heating element Active compound chip and process for the production of an active compound chip comprising an active compound which is bound at room temperature, at least one heating element being located at least partly in the interior of the chip and the heating element having an ... | 05/08/2007 |
| 7206505 | Volatizer with integrated thermal cutoff A volatizer has a case that deforms to interrupt electrical current flow through an internal heating element. ... | 04/17/2007 |
| 7203417 | Portable scent delivery device The portable scent delivery device employs a housing and scent generator which selectively releases scent. The housing is suitably a headset, hat, shoulder harness or personal electronic device like a mobile telephone. The scent travels to the user's nose by diffusi... | 04/10/2007 |
| 7200363 | Communication device having a scent release feature and method thereof A communication device such as a cellular telephone (200) includes a heat-generating device (206) that generates heat energy. In thermal proximity to the heat-generating device (206) is a scent package (208) that includes a scented substa... | 04/03/2007 |
| 7190888 | Method of adjusting the vaporization rate of a device A vaporization device including a housing, a container, a wick, a heating element and an adjustment mechanism. The wick is fixed to the container and extends therefrom. The heating element is positioned in the housing proximate a portion of the wick. The adjustment ... | 03/13/2007 |
| 7186385 | Apparatus for providing gas to a processing chamber An apparatus for generating gas for a processing system is provided. In one embodiment, an apparatus for generating gas for a processing system includes a canister having at least one baffle disposed between two ports and containing a precursor material. The precurs... | 03/06/2007 |
| 7168630 | Methods and personal protection devices for repelling insects Methods and devices for repelling insects are disclosed. The methods and devices provide personal protection from insect bites and insect landings, particularly mosquito bites. The methods and devices employ insect repellents such as pyrethroids at low (parts per bi... | 01/30/2007 |
| 7164849 | Vapor-emitting device with an active end of use indicator Vapor-emitting devices according to various embodiments of the invention include active end of use indicators to warn users that it is nearing the time and/or time to replace the vapor-emitting device or a refill for the device. Some embodiments of the vapor-emittin... | 01/16/2007 |
| 7152809 | Methods and personal protection devices for repelling insects Methods and devices for repelling insects are disclosed. The methods and devices provide personal protection from insect bites and insect landings, particularly mosquito bites. The methods and devices employ insect repellents such as pyrethroids at low (parts per bi... | 12/26/2006 |
| 7155116 | Methods and apparatus for a discrete vapor-dispensing device A vapor-dispensing or other environment-altering apparatus is configured to integrate with a receptacle in a discreet manner. In accordance with one embodiment of the invention, an environment-altering apparatus is configured to mimic an electrical receptacle having... | 12/26/2006 |