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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 |
| 8137446 | Particle concentrator Concentrating particles in a turbulent gas flow may include receiving, in a receptacle, a turbulent gas flow that includes particles. The concentration of particles in a gas flow exiting the receptacle at a first port is increased as compared with a concentration of... | 03/20/2012 |
| 8133310 | Method and apparatus for in-situ testing of filtration systems Embodiments of the invention generally provide an apparatus and method for certifying a filter in a containment system without decontaminating the containment system prior to certification. The apparatus generally comprises a valve assembly selectable between at lea... | 03/13/2012 |
| 7875109 | Integral flow restrictor valve A gas sample cylinder outlet valve having a flow restricting element associated therewith. The preferred embodiment of the flow restricting element comprises an orifice constructed of a low thermal conduction material such as a plastic. Preferably the outlet valve C... | 01/25/2011 |
| 7785408 | Particle collection apparatus and method A particle collector comprises a housing defining an enclosed chamber. An inlet opening in the housing provides fluid communication between a source of gas and particles and the chamber and an outlet opening provides fluid communication between the chamber and the e... | 08/31/2010 |
| 7699915 | Liquid impingement unit A modified liquid impingement unit is configured to automatically maintain a volume of buffer solution within a determined range, the buffer solution used to collect airborne particles from an impinging airflow. The liquid impingement unit includes a first end of an... | 04/20/2010 |
| 7666253 | Test fixture for collecting particulate material A test fixture for collecting particulate matter carried in the exhaust gas stream of an engine has a pair of coaxially aligned mounting plates, each having a filter cartridge holder mounted thereon. One of the mounting plates is moveable with respect to the other a... | 02/23/2010 |
| 7582146 | Uniform aerosol deposit sampling device A uniform aerosol deposit sampling device includes a first housing and a second housing. The first housing has an air inlet and a first chamber. The second housing has an air outlet, an second chamber, a filter holder and a flow guiding portion. The filter holder is... | 09/01/2009 |
| 7520924 | Apparatus for collecting particles Improved apparatus for collecting particles from air comprises a cyclone having air inlet and outlet means, means maintaining an airflow there through and means delivering a collecting fluid from a reservoir to particles separated from the air flow in the cyclone, i... | 04/21/2009 |
| 7513940 | Air sampling apparatus and method A sampling system includes a collection module including a gas handler, and a flow controller in communication with the gas handler of the collection module. The flow controller controls the gas handler to move a selected volume of gas through the collection module.... | 04/07/2009 |
| 7407531 | Particle surface treatment for promoting condensation A system is disclosed for condensation particle counting in conjunction with modifying an aerosol to enhance the formation and growth of droplets of a selected working fluid, preferably water. Before saturation with the working fluid, the aerosol is exposed to an ae... | 08/05/2008 |
| 7402189 | Autonomously-cleaned conditioning system An autonomously-cleaned conditioning system conducts a routine purge cycle to clear accumulated particulates from a filter, concentrator, or both. The purge cycle is conducted by reversing air flow through the filter and/or concentrator. Air flow is reversed on a pe... | 07/22/2008 |
| 7390339 | Vortex 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 |
| 7377960 | Cyclonic separator with secondary vortex break A cyclonic separator and methods of cyclonic separation which provide for a band pass separation of particles. That is, a cyclonic separator able to remove particles from an air stream that are greater than a predetermined minimum (which is greater than zero) while ... | 05/27/2008 |
| 7374603 | Particle transport and near field analytical detection Particle collection, transport, and detection systems are disclosed. The systems are uniquely adapted for collecting or concentrating particles from a flowing medium and then transporting the collected particles to a desired location or for subsequent analysis. Elec... | 05/20/2008 |
| 7357144 | Contamination control apparatus, management system and related methods A contamination control apparatus includes at least two pipes connected by a joint portion and configured to allow a processing fluid to flow therethrough, and a cover configured to enclose the joint portion and to provide an enclosed cavity between the cover and th... | 04/15/2008 |
| 7350427 | Sorbent collector material based on polyorganosiloxane The invention relates to a sorbent collector material based on polyorganosiloxane for the microextraction of substances to be analysed, the collector material having an open-cell foam structure, and to a collector and a liner which include this collector material. | 04/01/2008 |
| 7334490 | Method and apparatus for v-bank filter bed scanning Embodiments of the invention generally related to a method and apparatus foe scanning a v-bank filter. In one embodiment, an apparatus for scanning a v-bank filter includes a hollow body having first and second ends. An outlet, formed at the second end of the body, ... | 02/26/2008 |
| 7310992 | Device for continuous real-time monitoring of ambient air The present invention provides a device for continuous real-time monitoring of ambient air. The device includes a receptacle, a liquid supply, and a pressure balancing system. The receptacle includes a gas inlet slit located such that the gas inlet slit is covered b... | 12/25/2007 |
| 7309365 | Vacuum cleaner A vacuum cleaner including an electric blower for generating suction air, a collecting unit for collecting dust contained in the suction air, a dust removing unit for removing dust adhered to the collecting unit, and a dust removing stop unit for stopping an operati... | 12/18/2007 |
| 7276104 | Installation for producing products using a fluid An apparatus and method for producing products using a fluid, which enables one to control the quality of the fluid from the point of production to the point of use, monitored on a microbiological, physical, and chemical basis. At least one sensor for the acquisitio... | 10/02/2007 |
| 7235123 | Particle transport and near field analytical detection Particle collection, transport, and detection systems are disclosed. The systems are uniquely adapted for collecting or concentrating particles from a flowing medium and then transporting the collected particles to a desired location or for subsequent analysis. Elec... | 06/26/2007 |
| 7232477 | Environmental continuous air monitor inlet with combined preseparator and virtual impactor An inlet for an environmental air monitor is described wherein a pre-separator interfaces with ambient environment air and removes debris and insects commonly associated with high wind outdoors and a deflector plate in communication with incoming air from the pre-se... | 06/19/2007 |
| 7155988 | Dual air particle sample cassette An air particle sample cassette enables concurrent or sequential collection of air particle samples. The dual air particle sample cassette has top and bottom covers that fit together to provide an airtight seal between them. The airtight seal may be provided by adhe... | 01/02/2007 |
| 7153346 | Pneumatic filter and method of making A filter configured to be disposed within an air passage, for providing filtered air to a pneumatically controlled component. In one embodiment, the filter comprises a main body having first and second ends and a passageway extending therebetween, a leading edge, a ... | 12/26/2006 |
| 7141090 | Active filter temperature control An emission sampling system includes an exhaust gas probe for sampling exhaust gas. A dilution gas source provides a dilution gas, and a mixing device is in fluid communication with the exhaust gas probe and the dilution gas source to mix the sampled exhaust gas and... | 11/28/2006 |
| 7135060 | Particle collection apparatus and method A particle collector comprises a housing defining an enclosed chamber. An inlet opening in the housing provides fluid communication between a source of gas and particles and the chamber and an outlet opening provides fluid communication between the chamber and the e... | 11/14/2006 |
| 7125437 | Method and apparatus for enhanced particle collection efficiency A method and apparatus for particle collection (30) that is characterized by co-aerosolizing fluids (62) into an air stream (34) containing the particles to be analyzed to significantly enhance their collection and identification efficiency is p... | 10/24/2006 |
| 7122065 | Adapter for low volume air sampler An adapter for use with a low volume PUF sampler is described. The adapter is affixed over the open end of a PUF (polyurethane foam) sample cartridge. Sample tubing is affixed to an aperture in the adapter, and the free end of the sample tubing is then positioned at... | 10/17/2006 |
| 7090718 | Device for collecting charged particles with the aid of an ionizer for purposes of analysis A device is provided for collecting particles from a gas for subsequent analysis with a particle analyzer. The device includes an ionizer with at least one ion-emitting unit which emits ions and a collector for collecting particles charged by the ions. An electrical... | 08/15/2006 |
| 7048776 | Advanced air cleaning system and method A method and system removes nuclear, biological and chemical (NBC) agents from an air stream from a facility HVAC. The system includes an irradiation zone, a saturation zone and a precipitation zone. A contaminant detection apparatus controls the irradiation, satura... | 05/23/2006 |
| 7032444 | Module for extracting gas from an underground liquid and installation equipped therewith This invention concerns a module for extracting samples in gas phase of compounds present in an underground working liquid, the extractor module including a receptacle for the liquid, associated with a device for stirring the liquid, a liquid inlet duct, a liquid ev... | 04/25/2006 |
| 7028562 | Vacuum membrane extraction system The present invention relates to apparatus for sampling and analysis of gas phase molecules. A source of negative pressure is used to draw gas phase molecules through a gas-permeable membrane. The gas phase molecules are then directed into an analyzer, suitably a ga... | 04/18/2006 |
| 7028535 | System and method for detecting and measuring liquid carry over in a gas stream A system for automatically detecting liquid carry over in a gas stream includes a sample line communicated with the gas stream for separating a sample of the gas stream; and an impactometer positioned along the line for being impacted by the sample, and for generati... | 04/18/2006 |
| 7014693 | Filters employing both acidic polymers and physical-adsorption media A filter includes at least two different adsorptive media. First, chemisorptive media, which is porous and includes an acidic functional group, is used to remove molecular bases, including ammonia, organic amines, imides and aminoalchols, from the atmosphere used in... | 03/21/2006 |
| 6984252 | Method of and apparatus for collecting dust, development apparatus, and image formation apparatus A dust collection apparatus includes a container and a suction pump that sucks dust and transports it into the container. A filter is provided on a side surface of the container. This filter passes air but prevents passage of the dust in the container. A pressure de... | 01/10/2006 |
| 6979363 | Vapor trap system for detecting volatile organic chemical vapors A vapor trap for detecting VOCs includes a housing, having a first end portion, a second end portion and at least one opening for receiving gas vapor. The housing is at least partially buried in ground with a vapor containment mechanism detachably connected to the f... | 12/27/2005 |
| 6923848 | Collecting apparatus of floating dusts in atmosphere A collecting device for collecting particles floating in the atmosphere includes a collecting container; a pump for sucking the atmosphere into the collecting container; a discharge electrode disposed in the collecting container for generating single polarity ions t... | 08/02/2005 |
| 6890374 | Filter for sampling chlorinated organic compound A collector 3 capable of collecting and sampling simultaneously various types of chlorinated organic compounds in both particulate and gaseous forms contained in a fluid and easy to extract the sampled chlorinated organic compounds therefrom includes a sampli... | 05/10/2005 |
| 6890372 | Denuder assembly for collection and removal of soluble atmospheric gases A denuder assembly is adapted for the collection and removal of a gaseous analyte from a sample gas. The denuder includes a housing including an internal cavity, a sample gas inlet fluidly coupled with a sample gas source, a denuder liquid inlet fluidly coupled with... | 05/10/2005 |
| 6881246 | Collecting device for suspended particles A collecting device for collecting suspended particles includes a mobility analysis device; a collecting container connected to an outlet of the mobility analysis device; a discharge electrode disposed inside the collecting container for charging the particles insid... | 04/19/2005 |
