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Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

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Class 55/431 - Gaseous or liquid


Subclass of Class 55 - Gas separation
Definition: Apparatus in which the means is a fluid.
No. of patents: 153
Last issue date: 06/24/2008


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NumberTitleIssue Date
7390339Vortex separator in particle detection systems
A particle separation apparatus is disclosed. The particle separation apparatus may be for sample air stream preparation and delivery in particle detection systems. The particle separation apparatus may include a first vortex separator coupled to a second vortex sep...
06/24/2008
7328478Register inlet apparatus for a central vacuum cleaning system
An inlet apparatus for central vacuum cleaning systems is described that can be integrated with registers commonly used with heating and air conditioning vents in residential or commercial buildings. In particular, the apparatus opens to provide a vacuum inlet that ...
02/12/2008
7326265Method for cleaning the upstream surface of a particulate filter
The invention concerns a method for cleaning the upstream surface (14) of a particulate filter (10) of a heat engine exhaust line, the filter (20) being arranged in a casing (12) having an outlet (22) for exhaust gases. The method ...
02/05/2008
7325750Powder coating system with improved overspray collection
Powder overspray that is extracted from a spray booth is recovered back to a powder supply that is used to supply powder to the spray guns inside the spray booth. The powder overspray extracted from the booth is separated from the high flow air stream by a separator...
02/05/2008
7316721Ceramic foam insulator with thermal expansion joint
A canister for maintaining entrained particles in a gas stream passing there through. The canister has an outer annular member and an inner porous annular member. The inner porous annular member has rings with at least one expansion zone in each ring. An annular int...
01/08/2008
7299522Compressed air vacuum cleaner
A vacuum cleaning device powered by compressed air includes a canister forming an internal collection chamber for collecting liquid and debris sucked up by the vacuum cleaning device. The vacuum includes a user operated drain from which liquid and debris collected i...
11/27/2007
7271690High current long life inductor
An inductor for high current applications includes a nonconductive, tubular form which defines a tube axis and has a cylindrical outer surface. The outer surface is formed with a groove that extends helically about the tube axis. The inductor further includes a coil...
09/18/2007
7150585Process and equipment for the conveyance of powdered material
The invention concerns a process and a device (2) for the pneumatic conveyance of powdered material (4), in which a cylindrical chamber (10, 12), which can be connected with a reservoir (6) by a sealable inlet (14, 16) and with a d...
12/19/2006
7108138Material classifier
A material classifier includes a cyclone including a cyclone inlet, a cyclone outlet, a blower and a blower discharge; an air diffuser connected at a diffuser inlet to the cyclone outlet and at a diffuser outlet to an air lock such that the cyclone and air diffuser ...
09/19/2006
7105040Wine must and pomace pump
A wine must pump (10) for pumping a wine product (23) such as must or pomace, has an intake port (14) for receiving the wine product (23), a discharge port (16) for discharging the wine product (23) under pressure, vacuum ch...
09/12/2006
7056806Microfeature workpiece processing apparatus and methods for controlling deposition of materials on microfeature workpieces
The present disclosure provides methods and apparatus useful in depositing materials on batches of microfeature workpieces. One implementation provides a method in which a quantity of a first precursor gas is introduced to an enclosure at a first enclosure pressure....
06/06/2006
7014670Controlling cyclone efficiency with a vacuum interface
Powder overspray that is extracted from a spray booth is recovered back to a powder supply that is used to supply powder to the spray guns inside the spray booth. The powder overspray extracted from the booth is separated from the high flow air stream by a separator...
03/21/2006
6977005Waterless vacuum toilet system for aircraft
A waterless vacuum toilet system for an aircraft includes a toilet bowl connected via a suction valve and a waste collection pipe to a waste collection tank. Waste-contacting surfaces that come into contact with urine and fecal waste are coated with an adhesion-inhi...
12/20/2005
6974487Cooling air cleaning device for a harvesting machine
A device for cleaning a perforated radiator cage with at least one end face and peripheral side on an agricultural harvesting machine, wherein the device consists of an external brush which is associated with the radiator cage and which is in turn surrounded by a un...
12/13/2005
6942717Venturi effect material return system of a material collection system and appertaining method
A material return system of a material collection system and appertaining method permits fine material collected in a fine material collector to be returned to a main debris tank by taking advantage of the venturi effect, thus permitting a relatively trouble-free op...
09/13/2005
6918949Method for contacting large volumes of gas and liquid across microscopic interfaces
A method for contacting large volumes of gas and liquid together on a microscopic scale for mass transfer or transport processes wherein the contact between liquid and gas occurs at the interfaces of a multitude of gas bubbles. Multiple porous tubes assembled in a b...
07/19/2005
6878178Device for guiding away water, dust and the like
A connecting line is provided for removing water entering an air filter housing, between the air filter housing and a cooling unit. Due to the existing difference in pressure between the air filter housing and the cooling unit, water can be suctioned out of the air ...
04/12/2005
6878189Air precleaner and method for separating heavier-than-air particulate debris from debris laden air
A method and an air precleaner for separating heavier-than-air particulate debris from debris laden air to provide a clean airflow are disclosed. A flow path extends through the precleaner from an inlet to an outlet. Debris laden air is drawn into the inlet by a vac...
04/12/2005
6767380Drum lid for minimal liquid carryover in a vacuum system
A universal drum lid for vacuum systems includes an inlet port configured to intercept downwardly flowing influent at a baffle and engage a direction plate which redirects the flow laterally against an adjacent side wall of the receptacle. An outlet port is shielded...
07/27/2004
6764526Dry air filter for combusion engines of vehicles
A dry air filter for combustion engines of commercial vehicles with a device to produce compressed air, whereby the dry air filter (4) consisting of a filter housing (5) containing a filter cartridge (7) and a dust preliminary filtering stage (
07/20/2004
6752858Circumferential air knife and applications
A novel air knife. The novel air knife is circumferential. That is, the novel air knife injects a gas stream along the inside walls of the air knife. The air knife can be advantageously placed at or near the entrance to a suspension vessel to reduce buildup of solid...
06/22/2004
6500243Compressor system including a separator tank with a separator element positioned therein
An air compressor system having an air/oil separator for use with an air compressor, the air/oil separator including a separator tank having a side wall with an air exit port; a separator element hold down mechanism between the separator element and a lid...
12/31/2002
6409803Amalgam separation
Amalgam and other particles of four microns or more in size are removed with at least 95% efficiency from a particle-containing fluid line, preferably connected to a single dental operatory. Desirably a plurality of parallel centrifugal separators have th...
06/25/2002
6251169Method for vacuum/reduced-pressure refining and facility for vacuum/reduced-pressure refining
A vacuum/reduced pressure refining vessel (1) is connected, by an upstream duct (5) to a dry dust collector (3) that uses a filter (2). The dry dust collector (3) is connected to a reduced pressure evacuating apparatus (4) by a downstream duct (6), and a ...
06/26/2001
6228148Method for separating particles from an air flow
A method and an apparatus for separating solid or drop-like particles from an air flow is provided. The air flows through a separator chamber between an electrode, ion generating means or like particle charging device disposed in the separator chamber, an...
05/08/2001
6219880Vacuum cleaner
A vacuum cleaner includes a tank assembly having an open end, a cap assembly removably connected to and generally closing off the open end, an inlet assembly disposed on one of the tank and cap assemblies, an exit opening disposed on one of the tank and c...
04/24/2001
6051054Method for separating dust from hot process gases
A method and apparatus for separating dust from hot process gases. The process gases are passed via a gas inlet duct through a dust separator, in which dust is separated from the process gases, part of the separated dust being conducted to a device for ag...
04/18/2000
5989321Condensate separator with condensate removal
A condensate separator for a portable (smoke) gas analyzer has a separating chamber formed inside a housing through which exhaust gasses pass. A condensate-collecting chamber is provided in hydraulic communication with the separating chamber and is at lea...
11/23/1999
5966928Particulate incinerating method and mechanism for exhaust black smoke removing system
A power-saving and long-life particulate incinerating mechanism for use in a reverse-cleaning regenerative exhaust black smoke removing system. Also disclosed is a particulate incinerating method therefor. A hopper has a bottom portion and slant portions ...
10/19/1999
5955037Effluent gas stream treatment system having utility for oxidation treatment of semiconductor manufacturing effluent gases
An effluent gas stream treatment system for treatment of gaseous effluents such as waste gases from semiconductor manufacturing operations. The effluent gas stream treatment system comprises a pre-oxidation treatment unit, which may for example comprise a...
09/21/1999
5935283Clog-resistant entry structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system
A clog-resistant inlet structure for introducing a particulate solids-containing and/or solids-Forming gas stream to a gas processing system. The structure is composed of a gas-permeable wall enclosing a gas flow path, and an outer annular jacket circumsc...
08/10/1999
5906676Ejector-augmented overspray reclaim system
An apparatus and method of reclaiming particles of powder material from a powder spray system (100) having an inlet passageway (190) of a collection subsystem (104) in fluid communication with an interior of a spray booth (108). An airflow conduit (250) e...
05/25/1999
5882366Alternating wash/dry water scrubber entry
An apparatus for conveying a process gas stream from an upstream source to a downstream treatment unit, including a manifold receiving gas from the upstream source, including first and second valved inlet lines which are alternatingly employed to flow gas...
03/16/1999
5858042Method and apparatus for improving the separation efficiency of a cyclone separator intended for gaseous fluid flows
A method and apparatus for improving the separation efficiency of a cyclone separator intended for gaseous medium flows in which an incoming gaseous medium flow to be cleansed is directed into the cyclone separator through an inlet duct such that the inco...
01/12/1999
5846275Clog-resistant entry structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system
A clog-resistant inlet structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system, including: a gas-permeable wall enclosing a gas flow path, and an outer annular jacket circumscribing the gas-per...
12/08/1998
5788746Method for cleaning a filter element and a filter module for a filter installation; a method of filtering crude or contaminated gas and a filter installation
The invention relates to a filter installation having at least one filter element for the filtering of a crude gas containing impurities, in particular particulate impurities. The crude gas flow to be filtered can be supplied to the filter installation vi...
08/04/1998
5776416Cyclone and fluidized bed reactor having same
A fluidized bed reactor comprises a reaction column, gas inflow means for flowing a gas upwardly from the lower end of the reaction column, particle feed means for feeding particles to a lower part of the reaction column, and a cyclone. The cyclone includ...
07/07/1998
5738699Apparatus for treating particles
An apparatus for the removal of particles existing in exhaust gases by directly sprinkling the gases with water to congeal the particles. The apparatus also mixes surfactants into the water, and the mixture is driven by a pump to clean out the condensatio...
04/14/1998
5720550Volume reducer for powder material
A volume reducer for reducing the volume of a powder material by removal of some air has a cylindrical casing having an inlet and an outlet for letting powder material in and out. In the casing, a rotor rotatable on the center axis of the casing is provid...
02/24/1998
5683479Air cleaner having scavenger arrangement
An air cleaner construction including a precleaner arrangement, a filter assembly and a scavenger arrangement is provided. In the precleaner arrangement, air directed into the air cleaner assembly is subjected to some particulate removal. The air from the...
11/04/1997
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