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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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| Number | Title | Issue Date |
| 7056362 | Separator tank assembly A separator tank assembly including a separator tank having an interior chamber, a corrosion-resistant layer applied over at least a portion of the separator tank interior chamber, and a separator element positioned within the interior chamber of the tank. The separ... | 06/06/2006 |
| 7052523 | Bagless canister vacuum cleaner A bagless canister vacuum cleaner includes a selectively removable dirt cup, and an airstream flows rotationally through the dirt cup between an interior wall of the dirt cup and a filter assembly selectively mounted in the dirt cup so that entrained contaminants ar... | 05/30/2006 |
| 7052532 | High temperature nanofilter, system and method A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro... | 05/30/2006 |
| 6712868 | Bagless canister vacuum cleaner A bagless canister vacuum cleaner includes a selectively removable dirt cup, and an airstream flows rotationally through the dirt cup between an interior wall of the dirt cup and a filter assembly selectively mounted in the dirt cup so that entrained contaminants ar... | 03/30/2004 |
| 6623538 | Sterile laminar airflow device A compact, portable, lightweight, low power consuming, convenient, versatile and sterile laminar airflow device, useful in obtaining a workspace substantially devoid of airborne particulate contaminants, said device having a body (C) divided into an upper... | 09/23/2003 |
| 6255102 | Modular support for biofiltration A modular biofiltration support system is quickly erectable in virtually any size and shape using plastic modules that are interconnected at the site. Included in the system are bed platform modules which assemble together to form a bed platform to suppor... | 07/03/2001 |
| 5722113 | Vacuum truck with air filter formed from lengths of chain A vacuum truck includes a storage tank mounted on the truck frame and a vacuum pump for drawing air into the storage so that a vacuum hose extending from material to be excavated to an inlet of the storage tank carries the material into the tank for disch... | 03/03/1998 |
| 5516349 | Modular dust collector Disclosed is a dust collector that is essentially modular in structure, thereby making it easy to transport, position and assemble by the user himself or herself. This dust collector includes one or more filter modules, a fan module operatively connectabl... | 05/14/1996 |
| 5142732 | Bulk separator for industrial vacuum machine An attachment for an industrial vacuum machine is installed in the vacuum hose line and preferably supported by a boom on such machine. The attachment separates bulky items from finer materials passing through the hose. The separator includes a vacuum-tig... | 09/01/1992 |
| 4697613 | Pressure compensated flow rate controllers A flow controller apparatus having few moving parts that may be inserted directly into a flow line to be responsive to flow pressure and maintain the flow rate constant. The flow controller has an internal bore that is a revolutional chamber having a maxi... | 10/06/1987 |
| 4680039 | Self-contained dust collector with quick release adapter duct A self-contained dust collector which includes a quick release adaptor duct mounted between a filter unit and a storage receptacle for conveying dust to the receptacle with the quick release adaptor duct comprising a planar member having a central opening... | 07/14/1987 |
| 4592764 | Vacuum cleaner A body of a vacuum cleaner comprising three subassemblies, i.e., a front subassembly, a central subassembly, and a rear subassembly. The front subassembly stores the matter drawn through a suction port formed in a suitable position. The central subassembl... | 06/03/1986 |
| 4528006 | Apparatus for the continuous desublimination of vapors of subliming substances A continuous, desublimination apparatus capable of operating at high flow rates. The apparatus works on the principle of reducing temperature of a vapor-gas mixture below the desublimination point. It has a heated jacket with inlets and outlets of gases i... | 07/09/1985 |
| 4427427 | Vertical laminar flow filter module A module for providing a work area in which one or several people can perform tasks requiring ultra-high efficiency air filtration. The work area is bounded above by a filter module through which a vertical laminar flow of air occurs from one or more HEPA... | 01/24/1984 |
| 4378728 | Coating booth for electrostatic application of pulverized materials A coating booth for the electrostatic application of powdery materials onto workpieces. The coating booth has a generally tubular configuration which when viewed in side elevation is generally oval but with a spiral curved bottom front wall which melds in... | 04/05/1983 |
| 4374786 | Unitized scrubber tower The device of the present invention utilizes a unitized scheme to erect a sulphur dioxide scrubber tower wherein a set of factory built constituent subunits are joined at location to produce a single functional unit. The functional units themselves prefer... | 02/22/1983 |
| 4370155 | Air circulating device An air circulating device for providing a constant movement of air within the occupant zone of rooms which do not contain openable windows to allow natural air circulation during hot days. The air circulating device is provided in two forms, each form pre... | 01/25/1983 |
| 4348215 | Particulate separation device A multi-cyclone particulate separation device having a particulate-laden gas structure and a clean gas structure mounted longitudinally within a main housing chamber. A particulate transfer means is mounted at the bottom of the particulate-laden gas struc... | 09/07/1982 |
| 4336041 | Mobile dust collector used on quarries The invention relates to a mobile dust collector for use in association with mobile equipment. The dust collector is adapted to be mounted on a common platform with the mobile equipment. The dust collector includes a bottom portion and a top detachment po... | 06/22/1982 |
| 4323377 | Mobile dust collector The disclosure teaches a mobile dust collector which comprises a housing structure mounted on a trailer. The housing structure includes a filter chamber and a fan chamber. An opening in the side wall of the filter chamber communicates outside air with the... | 04/06/1982 |
| 4245551 | Coating booth for electrostatic application of pulverized materials A coating booth for the electrostatic application of powdery materials onto workpieces. The coating booth has a generally tubular configuration which when viewed in side elevation is generally oval but with a spiral curved bottom front wall which melds in... | 01/20/1981 |
| 4133658 | Industrial dust collection system and apparatus An industrial dust collection system for collecting dust created by operation of a machine comprising dust collecting and storage means remote from the machine; a cyclone chamber means associated with the dust collecting and storage means for receiving du... | 01/09/1979 |
| 4092136 | Air filtering system An air filtering system includes a motor driven exhaust fan operable to draw air through a filter for particulate spray material, support means for supporting a dispenser adapted under operator control to dispense particulate spray material into the air a... | 05/30/1978 |
| 3966438 | Apparatus for washing stack gases A horizontal tubular housing is supported at one of its ends across the top of a stack and a blower is mounted at one end of the housing for moving gases discharged from the stack through the housing. The housing has a plurality of laterally disposed baff... | 06/29/1976 |
| 3955236 | Collector system in a vacuum sweeper circuit An airtight container, having two separated compartments, including an inlet to the first compartment and a flexible, gravel pick-up tube attached to the inlet. A cyclone separator is mounted on the second compartment with its separated particle outlet di... | 05/11/1976 |
| 3933643 | Electrically conducting filter media for fluids Conductive filter elements are made by treating nonconductive fibrous materials such as inorganic or organic fibers with resins containing finely divided carbon. The treated fibers are then fabricated into filter elements which are electrically conductive... | 01/20/1976 |
