Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7712611 | Apparatus for controlling the separation of particulate material Apparatus for separating particulate material into relatively fine and relatively coarse particles wherein such particulate material and a gas stream are introduced independently of one another to a separating zone through which the gas stream flows at such volume a... | 05/11/2010 |
| 7428971 | Method for sorting and recovering fine particle and apparatus for recovery The present invention provides a fine-particle sorting technique that uses optical pressure (optical force) and that can be applied in place of heretofore known cell sorting techniques; and a fine-particle recovering technique therefor. The fine-particle recovering ... | 09/30/2008 |
| 7422114 | Vibratory material separator having an adjustable air knife and a separation tube A vibratory material separating apparatus has at least two plateau conveying surfaces interrupted by a drop out opening. A composite mixture is conveyed by a vibrating action beyond the first conveying plateau and over a foraminous section in the first conveying pla... | 09/09/2008 |
| 7347112 | Air sampler with integrated airflow sensing Air sampler with integrated airflow sensing. The air sampler according to at least some embodiments includes an air mover that is operable to move air over a sampling media. An integrated airflow sensor is in fluid communication with the air mover. The air mover ope... | 03/25/2008 |
| 7334453 | Modular particulate sampler A gas sampler includes an impact disc for removing larger particles from a gas flow drawn by a pump and a filter for capturing smaller particles, also positioned in the flow path. The sampler is conveniently dissembled and reassembled to remove and replace the impac... | 02/26/2008 |
| 7325465 | Particle matter sampling method and sampler with a virtual impactor particle concentrator An apparatus for sampling ambient air to obtain coarse and fine fractions of particulate matter includes a single acceleration tube and a collection tube coaxially arranged along a central axis with a gap between facing distal ends thereof within a range of d/D1 | 02/05/2008 |
| 7300007 | Circulating grinding plant comprising a mill and a sifter The aim of the invention is to create a compact circulating grinding plant comprising a product bed comminution roller mill or roller press and a sifter device, in which the problem of mechanically transporting the grinding product that is directed through the circu... | 11/27/2007 |
| 7267233 | In-line classifier for powdered products A classifier for classifying particulates entrained in a flowing stream of gas is configured such that a change of direction of gas flow causes particles to impinge upon a target, heavier particles being trapped in a downwardly extending fluidized trap. The classifi... | 09/11/2007 |
| 7265669 | Networks with sensors for air safety and security Airborne particles are impacted on a collection surface, analyzed, and then the collection surface is regenerated. Thus, the same collection surface can be used in numerous cycles. The analysis can be focused on one or more properties of interest, such as the concen... | 09/04/2007 |
| 7261007 | Circumferential slot virtual impactor for concentrating aerosols A circumferential slot virtual impactor includes a disk-shaped housing with an endless circumferential slot for receiving aerosols. The slot forms an acceleration nozzle, and a receiver nozzle spaced apart radially inwardly from the acceleration nozzle exit. In an a... | 08/28/2007 |
| 7261008 | Air sampler An air sampler having a fan; an air inlet tube; a main body having a cyclonic cup, a stripping column and a demister; and fluidic circuitry for inputting fluids to the main body and the air inlet tube, and for outputting fluids from the main body. Air flow through t... | 08/28/2007 |
| 7246532 | Flow indicator and apparatus for monitoring particles in air A flow indicator comprising a housing and a floater and adapted to draw an air sample is provided. The housing has at least one lower inlet port, an interior space, an upper outlet port, and a transparent window. The floater is disposed inside the housing and is ada... | 07/24/2007 |
| 7242009 | Methods and systems for signal processing in particle detection systems A method for statistically distinguishing between two or more populations, such as between samples containing background and threat particles, is disclosed. According to one embodiment, the method for statistically distinguishing is a method for processing a signal ... | 07/10/2007 |
| 7237504 | Detection of odors using insects Apparatus for detecting a specific target odour comprises: a detector unit adapted to have removably associated therewith a holding unit for housing at least one insect in a predetermined position; means for exposing an insect in a holding unit associated with the d... | 07/03/2007 |
| 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 |
| 7219805 | Sieve screen level sensor Sieve screen level sensing in a filtering apparatus (10) for filtering fine powder material (M) which includes a sieve (12) having a material inlet (24) and a material outlet (26), and a sieve screen (14) is disposed within the sie... | 05/22/2007 |
| 7173257 | Integrated assembly for delivery of air stream for optical analysis An integrated particle detection apparatus for optical detection of particles in an air stream. The particle detection apparatus includes a scalper for removing large panicles from the air stream, a concentrator for separating out small particles and increasing the ... | 02/06/2007 |
| 7173702 | Sensor comprising multi-wavelength LEDs The illustrative embodiment of the present invention is a system and a method for the detection and identification of biological agents. The system incorporates elements that enable it to obtain an air sample, extract particulates from the air sample onto a stationa... | 02/06/2007 |
| 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 |
| 7082811 | Cascade impactor with individually driven impactor plates A cascade impactor apparatus has a series of vertically stacked impactor housing sections. Each of the impactor housing sections has an upper portion that supports a motor for driving an impactor plate that is positioned below a nozzle through which flow passes. Eac... | 08/01/2006 |
| 7073748 | UAV comprising a sensing system for detection and identification of biological particles The illustrative embodiment of the present invention is a unmanned aerial vehicle that includes a sensing system for the detection and limited identification of biological agents. The system is small, light weight, requires little power to operate and uses few consu... | 07/11/2006 |
| 7073402 | Air sampler with parallel impactors An air sampler is designed for a predetermined flow rate. The air flow is admitted to at least two impactors operating in parallel. Preferably the inlet nozzles and the outlet orifices of each impactor are sized to achieve predetermined cut-off sizes of particles; p... | 07/11/2006 |
| 7032467 | Package biochemical hazard and contraband detector This apparatus and method allows collection concentrated sample of content in shipping packages without unsealing the package by forcing airflow via existing hidden gaps or, if necessary, creating one by a small incision. The air is injected into the hidden gaps by ... | 04/25/2006 |
| 6978899 | Apparatus for sorting wood chips in separate fractions An apparatus for sorting wood chips includes a feeder for supplying wood chips onto a sloping support surface to slide along the support surface over a slit extending thereacross. The slit is configured to provide an impulse action by means of a continuous gas flow ... | 12/27/2005 |
| 6966508 | On-line control of coal flow A system for balancing and controlling the distribution of pulverized coal into multiple equal diameter outlet pipes of coal pulverizers for improving boiler performance. The device includes a plurality of flow control elements, one flow control element for each out... | 11/22/2005 |
| 6960054 | Car dumper dust collection method and apparatus A method and apparatus for controlling dust generated by the rotary dumping or rail cars may include one or more flexible baffles are provided to the back-side of a rotary dump frame to seal a portion of the material receiving pit during a portion of the rotary moti... | 11/01/2005 |
| 6951285 | Air suspension grain cleaner system An air suspension grain cleaner system for efficiently cleaning grain in small applications. The air suspension grain cleaner system includes a frame, a cleaning chamber, a blower unit fluidly connected to a lower portion of the cleaning chamber, a grain inlet fluid... | 10/04/2005 |
| 6938777 | Method for removing surface deposits of concentrated collected particles A method and apparatus for removing concentrated spots of collected particulates from an impact collection surface, and transferring those particulates into a container suitable for preparing a liquid sample. A jet of fluid can be utilized to remove and transfer the... | 09/06/2005 |
| 6935510 | Air separator The invention relates to an air separator for sifting material suspended in a flow of gas having course material and fine material by using a sifting wheel which rotates in a sifting chamber and which has blades fixed on the external periphery thereof. The blade cha... | 08/30/2005 |
| 6905029 | Cross-flow differential migration classifier A method, system, apparatus, and article of manufacture provide a cross-flow migration classifier capable of separating particles. The classifier provides a channel through which a sample, having one or more particles, passes in a first direction, wherein the channe... | 06/14/2005 |
| 6902126 | Hybrid turbine classifier A hybrid turbine classifier for a coal pulverizer includes a cone disposed within the separator body of the pulverizer. The cone extends downwardly from a base to a frustum which forms an opening for depositing coal particles on the grinding table of the pulverizer.... | 06/07/2005 |
| 6889843 | Apparatus and methods for controlling the separation of particulate material Apparatus and methods for separating particulate material into relatively fine and relatively coarse particles wherein such particulate material is introduced to a separating zone through which a gas stream flows at such volume and velocity as to entrain fine partic... | 05/10/2005 |
| 6845867 | Classifier for the classification of granular material A static V-classifier or cascade classifier having a stairway cascade (13) and oppositely arranged classifying flues (15) with upward extending and adjustable guide vanes (21) at their upper ends for altering the cut point of the classifier by c... | 01/25/2005 |
| 6827219 | Impactor with cooled impaction plate and method for classifying and collecting aerosols using the same The present invention discloses an impactor with a cooled impaction plate capable of efficiently separating aerosols by cooling the impaction plate below a temperature of fluid inflowing into the impactor and a method for classifying and collecting the aerosols usin... | 12/07/2004 |
| 6809314 | Fine particle classification apparatus and method for classifying aerosol particles in a sheath gas A fine-particle classification apparatus includes an aerosol generation section which generates an aerosol containing fine particles in a medium background gas, a fine-particle classification section which classifies the fine particles contained in the aerosol in a ... | 10/26/2004 |
| 6746503 | Precision gap particle separator A system for separating particles entrained in a fluid includes a base with a first channel and a second channel. A precision gap connects the first channel and the second channel. The precision gap is of a size that allows small particles to pass from the first cha... | 06/08/2004 |
| 6712216 | Method apparatus for separating unwanted matter from granular material In a method of separating unwanted fine matter from heavier granular matter a flow of the material is produced under vacuum firstly through alternating expansion and contraction passages and then against impact surfaces to cause multiple redirections of the material... | 03/30/2004 |
| 6698592 | Virtual impactor A separation plate separates a major flow of fluid from a minor flow of fluid. The major flow includes a minor portion of particles greater than a "cut size," while the minor flow includes a major portion of particles greater than the cut size. Plates def... | 03/02/2004 |
| 6695146 | Method for surface deposition of concentrated airborne particles The present invention employs a virtual impactor to separate a flow of fluid into a major flow and a minor flow, such that the minor flow contains a higher concentration of particulates of a desired size. The minor flow is directed toward an archival surf... | 02/24/2004 |
| 6672461 | Device for separating solids from air An air material separator may be used to separate scrap from a conveying air flow while having a relatively low weight and short height so that the separator may be positioned within today's single-story manufacturing or processing facilities. The air mat... | 01/06/2004 |
