A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 7766090 | Fire fighting system A fire fighting system for fighting forest and brush fires under dry, hot and windy conditions which includes a jet engine for generating a high speed air stream, a water source for supplying water to a cooling system which lowers the water temperature to between fo... | 08/03/2010 |
| 7255131 | Valve for a fire hose line A valve for a hose line, the valve having an inlet having a threaded female swivel fitting, a first outlet having an external thread, and a second outlet having an external thread. The inlet and the first outlet are at a 90 degree angle to each other and the inlet a... | 08/14/2007 |
| 7231808 | Method and apparatus for measuring oxygen content A method and apparatus for measuring the oxygen content in a closed target space, particularly for monitoring inertization levels in an inert gas device for fire prevention and/or fire extinguishing. Toward the aim of proposing a method for measuring the oxygen cont... | 06/19/2007 |
| 7165625 | Fire extingushing system A method of stopping and containing fires involving, in one embodiment, taking the fumes from a turbine, jet or any chemical source, and running it through a giant muffler, radiator, or pipe. The radiator cools the fumes down from the engine or chemical store. This ... | 01/23/2007 |
| 7143833 | Portable fire-extinguisher A portable aerosol fire-extinguisher has an elongate metal casing (3) with a handle (2) and an internal chamber (4) for housing a charge (5) of a solid substance which can be transformed, at a predetermined temperature, into an aerosol wi... | 12/05/2006 |
| 7140449 | Air blower for extinguishing fires and method for extinguishing fires The invention employs a blower of the type used by commercial landscapers. The device has an engine mounted on a frame. Shoulder straps attached to the frame allow the user to wear the device on his back leaving the hands of the operator free to operate other tools ... | 11/28/2006 |
| 7124833 | System for delivery of breathable fire extinguishing gas This invention relates to an improved portable system for the delivery of a breathable, fire extinguishing gas mixture to a fire zone. The gas mixture comprises a normally gaseous inert material, such as nitrogen, helium or argon; an oxygen containing gas; and carbo... | 10/24/2006 |
| 6896204 | Water pressured destruct enhancer The present invention comprises an extension tube that attaches to the bore end of a water jet producing device that is used to render safe improvised explosive devices by disrupting the firing train of said devices. The present invention comprises an extension tube... | 05/24/2005 |
| 6688402 | Aerial firefighting system An aerial firefighting system for increasing the amount of firefighting foam available during an aerial application. The aerial firefighting system includes a turbo motor, a catalytic converter connected to the turbo motor for creating carbon dioxide, a f... | 02/10/2004 |
| 6672397 | Breathable fire control system The present invention features a portable, modular on-site breathable fire control system which can make an unlimited amount of cooled, oxygen-depleted air that can still be consumed by humans while extinguishing fire and reducing smoke. This system may b... | 01/06/2004 |
| 6513602 | Gas generating device A method and a device for producing a sufficient quantity of a fire suppressing gaseous product to substantially suppress a fire. The device has a first stage gas source containing a pyrotechnic gas generating material and a second stage gas source in flu... | 02/04/2003 |
| 6145599 | Anti-combustion safeguard for confined combustibles Anti-combuation safeguarding of fuel and other combustible material confined in contact with a pre-existing overlying ambient atmosphere supportive of combustion. Such atmosphere is displaced by an underlying blanketing layer of heavier-than-air gaseous c... | 11/14/2000 |
| 6116348 | Method and apparatus for fire extinguishing The invention relates to the firefighting technology. The method and system according to the invention provide environmentally safe and efficient fire extinguishing by introducing into a space that is being protected a vapor, gas, and aerosol mixture that... | 09/12/2000 |
| 6024889 | Chemically active fire suppression composition The invention is directed to a chemically active fire suppression composition, comprising a propellant comprising a fuel and an oxidizer, the propellant capable of generating inert gas; and an environmentally innocuous chemical fire suppressant capable of... | 02/15/2000 |
| 6012533 | Fire safety system A system for preventing and suppressing fires and explosions is provided that fills the ullage spaces in fuel tanks with an inert gas that is generated by the operating system or facility. This insert gas is a combustion gas that is depleted of readily co... | 01/11/2000 |
| 5918679 | Fire safety system A system for preventing and suppressing fires and explosions is provided that fills the ullage spaces in fuel tanks with an inert gas that is generated by the operating system or facility. This insert gas is a combustion gas that is depleted of readily co... | 07/06/1999 |
| 5884710 | Liquid pyrotechnic fire extinguishing composition producing a large amount of water vapor Fire extinguishing or suppression apparatus and method employing a liquid pyrotechnic composition of a ternary mixture of hydroxyl ammonium nitrate, an amine nitrate salt, and water, in a closed combustion chamber of a pressure container. The apparatus is... | 03/23/1999 |
| 5865257 | Method and apparatus for extinguishing fires in enclosed spaces In the method for extinguishing fires in enclosed spaces, pre-cooled combustion products are introduced into an enclosed space until in the enclosed space there is an atmosphere that prevents combustion. An ecologically acceptable and fire-inhibiting medi... | 02/02/1999 |
| 5848652 | Engine fire extinguishment system A fire suppression system for the engine compartment of a vehicle is described which includes a remotely controllable throttle valve disposed within the exhaust duct of the engine for selectively diverting exhaust gases through a bypass duct for mixing wi... | 12/15/1998 |
| 5806603 | Fire extinguishing device A fire-extinguishing device is furnished, wherein an aerosol is generated in a single container or in a plurality of containers by burning a solid extinguishing agent. The aerosol streams and flows into the area to be protected along a nondirect path thro... | 09/15/1998 |
| 5613562 | Apparatus for suppressing a fire There is disclosed an apparatus for suppressing a fire. The apparatus includes a gas generator containing as a propellant, a mixture of a fuel, strontium nitrate as an oxidizer, and magnesium carbonate. When the propellant is ignited, a nitrogen rich effl... | 03/25/1997 |
| 5441114 | Portable system for extinguishing a fire A system for extinguishing a fire includes a conventional fire extinguishing cylinder for releasing a pressurized fire extinguishing gas, and a device including a composition which includes a first reactant and a second reactant. The composition is activa... | 08/15/1995 |
| 5425886 | On demand, non-halon, fire extinguishing systems A system and process for on-demand generation of inert, non-flammable gases and water vapor to decrease the available atmospheric oxygen in the ullage of a hydrocarbon fuel storage tank to a level that will not support combustion of the hydrocarbon fuel, ... | 06/20/1995 |
| 5425426 | Fire extinguishing methods and systems Methods and related systems for extinguishing a fire in a volume which includes pre-positioning a fire extinguishing medium in or near the volume. The medium includes at least two reactants, typically an oxidant and a reducing agent which are activated ma... | 06/20/1995 |
| 5423384 | Apparatus for suppressing a fire An apparatus for suppressing a fire comprises a gas generator containing a propellant and a fire suppressant as a mixture of compacted powders. The average diameter of a fire suppressant particle is larger than the average diameter of a propellant particl... | 06/13/1995 |
| 5423385 | Fire extinguishing methods and systems Methods and related systems for extinguishing a fire in a volume which includes pre-positioning a fire extinguishing medium in or near the volume. The medium includes at least two reactants, typically an oxidant and a reducing agent which are activated ma... | 06/13/1995 |
| 5165483 | Direct contact vapor generator fire suppression apparatus An improved method and apparatus for controlling large hydrocarbon-fueled fires contemplates the use of vapors produced by direct contact vapor generators to simultaneously cool the flames and deprive the fire of oxygen. A direct contact vapor generator a... | 11/24/1992 |
| 5046564 | High velocity fire fighting nozzle A fire fighting device consisting of a jet engine, or alternatively another wind-producing mechanism, with a conduit mounted thereon, the conduit having an opening so that when water or another fire retardant is directed into the conduit, the water or oth... | 09/10/1991 |
| 4872511 | Fire extinguishing appliance and appended supplementary appliances Fire extinguishing devices are designed to extinguish specific classes of fires. Fire extinguishing streams are being planned and being fixed to combat a kind of fire in a fixed state of burning. The invention, a venturi activated tube extinguishes fire i... | 10/10/1989 |
| 4669548 | Exhaust gas fire fighting apparatus This apparatus is designed for automotive vehicles, and enables the employment of a vehicle's engine exhaust to be used to put out fires. Primarily, it consists of a flexible hose with a nozzle or cone at one end for the exhaust gas of the engine to be di... | 06/02/1987 |
| 4614237 | Combination exhaust gas fire extinguisher and blower machine The combination machine is used both as a fire extinguisher and an air blower. Primarily, it consists of a back-pack or other type unit having an internal combustion engine powering a blower. It includes one hose coupled to a pivotal exhaust pipe cover an... | 09/30/1986 |
| 4270612 | Method for preventing the spontaneous combustion of stored organic and inorganic substances Apparatus and method for preventing the spontaneous combustion of a stack of stored organic and inorganic substances by injecting a control medium into selected areas of the stack. The apparatus comprises a source of a control medium such as air, steam, c... | 06/02/1981 |
| 4113019 | Inert gas generator based on air jet engine Installed at the outlet of the afterburning chamber is a diffuser whose narrow section forms a base for the afterburning chamber. The joint between the afterburning chamber and the diffuser is enclosed by a depression chamber which has a manifold with a c... | 09/12/1978 |
| 4099572 | Vapor-gas mixture generating installation for extinguishing underground fires A combustion chamber of an installation before its narrow section is made as two concentric tubes with a common vertical wall portion, featuring passages for supply of fuel and air into an annular space between the tubes. This space is sealed off at the o... | 07/11/1978 |
| 4051226 | Prevention of explosive mixtures in the regeneration of sulfur oxide acceptors Prevention of the formation of explosive mixtures by hydrogen leaking through valves into ducts normally containing quiescent flue gas containing oxygen is accomplished by maintaining a continuous flow of the flue gas sufficient to dilute the hydrogen.... | 09/27/1977 |