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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 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 |
| 7288748 | PTC electrical heating devices PTC electrical heating devices are disclosed which are suitable to vaporize air treatment chemicals from an impregnated slab, such as insect repellents. In one form an electrical contact to a PTC heater element is provided with a bowl-shaped contact head to reduce t... | 10/30/2007 |
| 7014819 | Device for vaporizing 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 ... | 03/21/2006 |
| 6988497 | Apparatus for equalizing air pressure in air respiratory system A humidifier apparatus for operating at an air pressure is disclosed for use with a respiratory therapy breathing apparatus that provides a breathable gas supply to patients requiring higher concentrations of liquid vapor and gas pressure. The humidifier apparatus i... | 01/24/2006 |
| 6804458 | Aerosol generator having heater arranged to vaporize fluid in fluid passage between bonded layers of laminate An aerosol generator includes a fluid supply which supplies fluid to a fluid passage and a heater which heats the fluid into a gaseous state, the fluid passage being located between opposed layers of a laminate. The fluid passage can be a capillary sized passage for... | 10/12/2004 |
| 6765339 | Infrared lamp and procedure for heating material to be processed An infrared lamp with a closed-off enveloping tube which encloses an emission source joined with contacts for a power supply in the form of a carbon ribbon which, extending in a direction of a long axis of the enveloping tube, determines an irradiation length of the... | 07/20/2004 |
| 6627857 | Illuminating candle warming apparatus Disclosed is a hot plate warming apparatus adapted to warm a candle or other object resting thereon, as well as to provide illumination that simulates the effects of a lighted burning candle. The apparatus may include an adjustable cord apparatus, a light... | 09/30/2003 |
| 6592828 | Rechargeable electric air-freshener for cars Rechargeable electric air-freshener for vehicles, of a type which is placed in a lighter holder of these vehicles includes a case, a lid for closing the case, each provided with openings for the perfuming vapor from an aromatic substance, which may be rec... | 07/15/2003 |
| 6551560 | Two-stage dispensing mat Disclosed herein is two-stage mat for dispensing volatile materials. The mat is comprised of two materials varying either in thickness, thermal conductivity and/or porosity (and coated with like volatile material), or coated with volatile materials having... | 04/22/2003 |
| 6374045 | Multi-use heating device for vaporizing active substances A housing within which a resistor is arranged is connected to two connections projecting through the bottom of the housing. The housing is further provided with an aluminum plate serving as a radiator which is held inside at the top of the housing, held b... | 04/16/2002 |
| 6309986 | Mat for dispensing volatile materials Disclosed herein are mats for dispensing volatile vapors such as insecticides. The mats are multi-layered. One layer is a carrier layer impregnated with the volatile. It is secured to at least one metal layer. The metal layer spreads the heat from a heate... | 10/30/2001 |
| 6197263 | Automobile air freshener The invention is an air freshener for use in automobiles, having a base-power unit and a detachable fragrance dispersing unit. The fragrance dispersing unit has a heating element disposed therein and is adapted to receive standard replaceable gel-scent ca... | 03/06/2001 |
| 5993748 | Hot gas extraction device for volatizing at least one substituent of a material An extraction device utilizing hot air or gas for volatizing at least one substituent of a material is provided. The device has a container for holding material. The device also has a cap that is provided with holes leading from the exterior thereof to a ... | 11/30/1999 |
| 5923818 | Water fog spraying system for infrared radiant dryers A water fog spraying system for infrared radiant dryers includes a spraying tube (9) for spraying water fog onto a desired object, and infeed (6) and control means (7) for feeding water into the water line of the spraying tube (9). The spraying tube (9) i... | 07/13/1999 |
| 5832176 | Heating type ultrasonic humidifier Disclosed is a heating type ultrasonic humidifier that destroys germs existing in water, and has enhanced efficiency because of heating the water by a heater. The humidifier has a housing having a removable water supply vessel wherein a valve is mounted o... | 11/03/1998 |
| 5677982 | Humidifier with UV anti-contamination provision A humidifier, especially for room humidification, has a container removably mounted on a base and communicating with a sterilizing chamber to which the water is delivered and in which the water is exposed to a UV lamp with sufficient residence time to eff... | 10/14/1997 |
| 5674574 | Vapor delivery system for solid precursors and method regarding same A vapor delivery system for vaporization and delivery of a solid precursor includes a housing having an inlet for receiving a carrier gas. A rotatable substrate surface is contained in the housing having a solid precursor material applied thereon. A focus... | 10/07/1997 |
| 5624230 | Ceiling fan air freshener diffusion device A ceiling fan air freshener diffusion device comprising a scent receptive chamber, a removable drawer for holding a volatile scented medium and a heater for volatilizing the scent medium. The chamber comprises a housing defining a cap for mounting to the ... | 04/29/1997 |
| 5621847 | Dynamic vacuum evaporation system An ultraclean evaporation system which includes a vessel formed of a fluoropolymer inert to hydrogen peroxide and having an impurity level less than the impurity level of samples to be analyzed therein, preferably perfluoroalkoxy (PFA). A radiant heater i... | 04/15/1997 |
| 5546926 | Whole house humidifier for use with hot air heating systems A hot air furnace humidifier has a heat chamber and a duct connecting the chamber to a furnace. The chamber has a water retaining vessel, preferable provided with a disposable liner. A pair of level sensors register the minimum and maximum water level wit... | 08/20/1996 |
| 5432882 | Automatic electrically heated cigarette lighter socket inserted motor vehicle deodorizer device An automatic motor vehicle deodorizer device, adapted for insertion into a motor vehicle cigarette lighter socket having two terminals to provide electrical energy. The device is adapted to receive a vaporizable deodorizing agent. The device contains a po... | 07/11/1995 |
| 4874924 | PTC heating device A PTC heating device is adapted to be used as a heat source for an electric vaporizer which is adapted to heat liquid medicine, e.g., liquid insecticide, aromatic liquid, or the like, to vaporize it. The PTC heating device includes a casing in which an el... | 10/17/1989 |
| 4835363 | Electric steam iron heated by halogen lamp and having a ceramic sole plate An electric iron wherein a cermic sole plate transmits infrared light and is heated by one or more halogen lamps within a reflector in the housing of the iron whose concave surface faces the lamp or lamps and reflects heat upon the sole plate. The reflect... | 05/30/1989 |
| 4800252 | Apparatus for heating liquid media by infrared irradiation An apparatus for heating liquid media, especially for the heating of used oil during its reprocessing by cracking distillation, includes at least one infrared irradiation element located in a vertical cracking vessel. The irradiation elements are separate... | 01/24/1989 |
| 4791273 | Vaporizer system for ion source A vaporizer system for an ion source includes a radiation source positioned on the vaporizer axis for providing radiation, multiple crucibles radially spaced from the axis and circumferentially spaced from each other and a reflector rotatable about the ax... | 12/13/1988 |
| 4748313 | Apparatus by the continuous vaporization of inorganic compositions by means of a photon-generating thermal source of radiation heat An apparatus for the vaporization of inorganic compositions uses a photon-generating thermal source of radiation heat in a continuously operated vacuum vaporization processes. The apparatus includes a shaped body of the compacted vaporizable material prep... | 05/31/1988 |
| 4687904 | Electrically heated insecticide dispenser An insecticide dispenser capable of setting off a charge of insecticide to fumigate a room and then automatically shutting itself off before the completion of the dispensing of the charge of the insecticide, whereby the dispenser can be safely left unatte... | 08/18/1987 |
| 4658115 | Laser fired steam boiler A method and apparatus of for producing vapor from a liquid using laser energy are disclosed. Liquid within a container is vaporized by directing at least one laser beam into the liquid in the container and retaining at least essentially all of the energy... | 04/14/1987 |
| 4608821 | Heat exchanger for electrothermal devices An electrothermal thruster utilizes a generally cylindrical heat exchanger chamber. A textured, high emissivity heater element radiatively transfers heat to the inner wall of this chamber that is ion beam morphologically controlled for high absorptivity. ... | 09/02/1986 |
| 4585624 | Paraformaldehyde gas generator for fumigating animal houses A gas generator to produce formaldehyde gas in enclosed spaces such as animal houses or for conveying such gas to inaccessible areas through a flexible hose which includes a base and hood mounted thereon. The base is in the form of an open topped containe... | 04/29/1986 |
| 4553022 | Effusion cell assembly An effusion cell assembly includes a self-supporting element disposed within a housing member. The self-supporting element provides efficient heat transfer to a crucible positioned therein and permits operation at relatively lower filament tempertures.... | 11/12/1985 |
| 4523177 | Small diameter radiant tube heater Small portable electrical resistance heated radiant heating unit useful for insertion in tube bores to effect localized high temperature heating. Useful for the internal heating of tubes and tube/sleeve assemblies in steam generators, having bores as smal... | 06/11/1985 |
| 4499354 | Susceptor for radiant absorption heater system A susceptor for use in a chemical vapor deposition process in a radiant absorption heating system comprises a heater adapted to absorb radiant energy and a sheath of high purity quartz completely surrounding the heater. The sheath further comprises dimple... | 02/12/1985 |
| 4482799 | Evaporation heater An evaporation heater having a wire wound into a coil and a support wire which extends from one arm of the wire outside of the coil, in spaced proximity therewith, to a central position within the coil but out of electric contact therewith is disclosed. A... | 11/13/1984 |
| 4471211 | Liquid to gas fuel heating device A heating device for use in a fuel burning apparatus for converting liquid fuel into a vapor. The heating device includes a heating element disposed within a cylindrical housing and having an absorbing material disposed is a spiral recessed path around th... | 09/11/1984 |
| 4426569 | Temperature sensor assembly An effusion cell assembly is disclosed and includes a temperature sensor designed to balance sensor temperature and cell crucible temperature by an increased heat radiation collection.... | 01/17/1984 |
| 4216176 | Humidifier A humidifier comprising an electric lamp, a protector in the form of a dome-shaped member surrounding the glass bulb of the electric lamp, an evaporation layer made of capillary substance closely contacted with the outer surface of the protector to cover ... | 08/05/1980 |
| 4094269 | Vapor deposition apparatus for coating continuously moving substrates with layers of volatizable solid substances Apparatus for the vapor deposition of volatizable solid substances on continuously moving substrates, more particularly for the production of photographic materials by vapor deposition of silver halides on continuosly moving substrates, is constructed so ... | 06/13/1978 |
| 4055165 | Carbonaceous boiler A carbonaceous boiler is disclosed which includes a block of impervious, low permeability carbonaceous material having relatively large infrared radiation receiving side surfaces and a relatively narrow depth dimension. In one embodiment a single pass cha... | 10/25/1977 |
| 4002880 | Evaporation source In an evaporation source for the vacuum deposition of sublimating material, the evaporant surrounds, and is spaced from, an axially disposed coiled tungsten heater. The evaporated material passes out of the source in an upward direction to deposit on a su... | 01/11/1977 |
