| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 096414000 | WITH INSPECTION MEANS | 17 |
| 20080276806 | WELDING SMOG DISPOSING MACHINE - A welding smog-disposing machine includes a machine box partitioned into an air pumping space and a filtration space by a separating plate, with the lower end of the air pumping space and the filtration space communicating with each other. The air pumping space has one side bored with an opening, and a collecting box is provided at a proper location under the air pumping space and the separating plate for receiving and collecting embers dropping down through the opening of the air pumping space for obstructing the embers from entering the machine box. The filtration space has a filtration chamber and an exhaust chamber, and the filtration chamber is assembled with a movable filter cloth device for filtrating the oil smog and impurities produced during electric welding, effectively maintaining air quality in a work environment. | 11-13-2008 |
| 20090038480 | AIR PURIFIER FOR REMOVING PARTICLES OR CONTAMINANTS FROM AIR - An air purifier that removes particles or contaminants from air includes a base having an air inlet, an air outlet and an air flow path therethrough. An impeller urges air into the air inlet, through the air flow path and out of the air outlet and a motor drives the impeller. The motor and impeller are supported within the base. A foldable air filter is in fluid communication with the air outlet and is removably mountable to an exterior surface of the base proximate the air outlet. | 02-12-2009 |
| 20090320690 | SUCTION FILTER, TURBO COMPRESSOR AND METHOD FOR COMPACT ASSEMBLING OF THE SAME - A casing provided centrally with a sealed structure chamber. Small-sized separate four filter elements are arranged each on opposite sides of the chamber such that inflow air from a suction section into the casing is introduced via the filter elements into the chamber. Each filter element is detachably fitted over a filter-element mount having openings at its outer periphery. Upon filter-element replacement, the filter elements are replaced individually by opening a window. An integral cast casing having compressing sections and compressed air passages integrally fabricated therewith by casting is formed with receptacles for first and second intercoolers and an aftercooler. The intercoolers and aftercooler are received in the receptacles. Outlets of the intercoolers are connected with suction sides of second- and third-stage compressors through second- and third-stage suction pipes, respectively. A blowoff silencer is arranged between the integral cast casing and an oil tank. | 12-31-2009 |
| 20110094386 | Marine Water Separating Fuel Filter - A marine water separating fuel filter includes a connecting tube head, an upper lid, a filter element, and a container. The filter element is accommodated in the container and sealed by the upper lid. The upper lid has a gear ring to engage with an alveolus ring provided on an axial trough of the filter element. An axial rod of the connecting tube head is screwed to the axial trough. The connecting tube head has a pressing ring to hold against a washer, providing a sealing function. The gas from an inlet end is filtered with the filter element and then expelled through an outlet end. Oily water flows to the central bottom of the container due to a curved section at a lower end of the container. An indication ring is provided on the hollow taper post to indicate the height of liquid. This is an easy and quick way to assemble and disassemble the filter element, providing environmental and economical purposes. | 04-28-2011 |
| 20110308395 | Run-Safe Filter System - A run-safe filter system is provided for confirming installation of a qualified filter element in a housing. An electrical switch has a first electrical condition in response to a qualified filter element being installed in the housing, and a second electrical condition in response to the absence of a qualified filter element installed in the housing. | 12-22-2011 |
| 20120037005 | FILTER INTEGRITY MONITORING SYSTEM - A system for fluid filtration and for providing an indication of filtration operation. The system uses a filtration media for permitting flow of fluid there through and for filtering at least one material from the fluid. The filtration media has an upstream side and a downstream side. The system includes a member located adjacent to the downstream side of the filtration media and permitting flow of the fluid there through. The member retains at least some of the at least one material not filtered from the fluid by the filtration media. The member is contrast to the at least one material so that an indication of locality of reduced filtration of the at least one material is provided. | 02-16-2012 |
| 20140116256 | PARTICLE CONDENSING APPARATUS AND PARTICLE DETECTING APPARATUS - A particle condensing apparatus includes a gas-borne particle condensing device that condenses a gas that includes gas-borne particles. The gas-borne particle condensing device includes a cyclone portion that causes a supplied first gas to swirl along an inner wall face to cause centrifugal force to act on particles in the first gas to produce a second gas with a relatively high particle concentration and a third gas with a low particle concentration. A fluorocarbon polymer film is formed on an inner wall face of the cyclone portion. | 05-01-2014 |
| 20160131094 | Air Filter, Filter Element and Filter Housing of an Air Filter - An air filter, including: an openable filter housing having an inlet for air to be cleaned, an outlet for cleaned air, a filter element exchangeably arranged with the filter housing. The filter element includes a filter medium radially surrounding and defining an interior space within the filter element and a support element secured to the filter element. The support element faces away from the filter medium and has a lateral support surface having a cylindrical section and/or a section with a cross section that changes in the direction of the element axis, whose main axis runs axially or parallel to the element axis and with which the support element is supported at least transversely to the element axis against a corresponding support section arranged on a side of the filter housing. | 05-12-2016 |
| 096415000 | Translucent | 1 |
| 20110277641 | OIL MIGRATION SYSTEM - An apparatus and a system is provided that may be utilized to determine oil migration and oil displacement from a pre-oiled air filter. The present invention may also be utilized to determine if oil is displaced from the air filter onto a portion of the apparatus for visualization to a user. The present invention utilizes a demonstration apparatus having a system for forcing air through the oil subjected air filter thereby attempting to force displacement of the oil from the air filter. The apparatus utilizes a blowing means whereby the oil infused air filter is subject to higher than normal air flow and whereby the apparatus has a deflection portion whereby if oil is displaced from the air filter, it is deflected onto the deflection portion where it would be physically viewable to an observer present in the vicinity of the apparatus. | 11-17-2011 |
| 096416000 | Transparent | 8 |
| 20080216662 | Portable particulate-removing apparatus - A portable, self-contained air-purifying device that enables a person standing outside the device to use his hands to manipulate objects within the device so that those objects can be kept in particulate-free environment while being manipulated. The device includes a housing having a sealable opening, an airflow-generating device that circulates the air within the housing, an air filter, and manipulation structure configured to enable a person located outside said housing to use their hands to grasp and manipulate objects which have been placed within the chamber that has been subsequently sealed. | 09-11-2008 |
| 20080257164 | Transparent Filterable Dust Bag with Support Container for Vacuum Cleaner - The removable apparatus of a transparent filterable dust bag with a support container is designed as an attachment for a vacuum cleaner and like. A transparent filterable dust bag having an outer transparent wall and an inner filter cone coincides within a transparent support container which keeping the shape and position of the dust bag while separating dust from air. The transparent support container and the outer transparent wall of the dust bag allow to watch inside the filling level of the dust bag and to replace properly. | 10-23-2008 |
| 20100031824 | VACUUM SYSTEM USING A FILTER CARTRIDGE - Disclosed is a vacuum system capable of realizing a simple, compact configuration using a filter cartridge. The vacuum system makes use of a container-shaped filter cartridge, which includes an intake port, an inflow port for compressed air, and a mounting port in a sidewall thereof, and a filter which is disposed in a space therein covered by a cap and filters air flowing in through the intake port. An ejector pump passes through the mounting port of the filter cartridge, is installed such that one end thereof is adjacent to or inserted into the inflow port, and includes a through-hole formed in a nozzle body so as to communicate with the space inside the filter cartridge. In the state in which the ejector pump is mounted, the filter cartridge is used as a housing providing a vacuum chamber or an enclosed space. | 02-11-2010 |
| 20100224073 | Dual Cyclone Dust-Collecting Apparatus Vacuum Cleaner - A dual cyclone dust-collecting apparatus of a vacuum cleaner is disclosed. The dust-collecting apparatus includes an air inlet through which an external air is drawn in, two cyclone chambers into which the external air drawn in through the air inlet air is drawn in, the two cyclone chamber being disposed in parallel, at least one dust-collecting chamber divided in parallel with respect to the two cyclone chambers, and two air outlets through which the external air from the two cyclone chambers is discharged. The air inlet is formed between the two cyclone chambers at a lower part of a cyclone body and the two air outlets are formed in bottom surfaces of the two cyclone chambers, respectively, so that the external air is drawn in through lower parts of one sides of the two cyclone chambers and then discharged through the bottom surfaces of the two cyclone chambers. | 09-09-2010 |
| 20130284028 | Apparatus for Dust Removal by Air Curtain Isolation and Self-Circulation Purification - A device for dust removal through air curtain isolation and self-circulation purification, including a material input transferring cabin, a main isolation cabin, a material output transferring cabin and a control cabinet. By employing three independent interlayer isolation cabins, a self-circulation purification device formed of self-circulation air pipes is disposed in the main isolation cabin, and an airflow cleaning air curtain is respectively disposed between the main isolation cabin and the material input transferring cabin and also between the main isolation cabin and the material output transferring cabin. By means of air curtain isolation and self-circulation purification, the spreading of dust resulting in pollution and interference to the environment of both the processing area and the whole clean area can be avoided, which facilitates the cleanness of the pharmaceutical processing environment to meet the standard requirements in the Chinese GMP Version 2010. | 10-31-2013 |
| 20140083299 | FILTER APPARATUS - A filter apparatus ( | 03-27-2014 |
| 20140190356 | Silica Reduction Cover - A filter used to reduce the emission of silica particles used in hydraulic fracturing. The silica reduction cover is a custom fit filter installed onto vent hatches of proppant storage trailers. Proppant storage trailers, or “frac sanders,” have a series of vent hatches that release air and fine particles into the atmosphere during material transfer operations. The silica reduction cover is comprised of filter material and permits the controlled release of high pressure air at each vent hatch while reducing sand particle loss. The silica reduction cover maintains proppant sand product in the trailer for production use while significantly reducing the emission of airborne sand particles in the immediate work and adjoining site areas. The silica reduction cover incorporates a viewing window so that workers may monitor proppant levels in the storage trailer while the silica reduction cover is installed. | 07-10-2014 |
| 20150320280 | FILTER ASSEMBLY - A filter assembly (10) for a vacuum cleaner. The assembly (10) is a cup (23) that generally surrounds a cartridge chamber (20). Located in the chamber (20) is a filter cartridge (21). The assembly (10) further includes means to illuminate the chamber (20), the means including light pipes (29) and a circuit board (27). | 11-12-2015 |
