Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8152910 | Modular gas-separating adsorbers In a modular gas-separating adsorber assembly, a pair of cylindric vessels, filled-in by a given amount of an adsorbing material (either a mainly adsorbing or a mainly adsorbing material) are always operatively assembled with a top plate and a bottom plate, the top ... | 04/10/2012 |
| 7635409 | Air dryer systems An air drying system using plural air drying units. The system includes moist air and dry air plenums and a pair of substantially identical air drying canisters. Each unit has a single lower bases and a single, flanged mounting bracket. The moist air plenum is conne... | 12/22/2009 |
| 7604691 | Adsorption filter for fuel vapors The invention relates to an adsorption filter for fuel vapors, particularly from the fuel tank of a combustion engine of a motor vehicle, which can be regenerated by desorptive reverse flow back flushing and which interacts with heat accumulating substances via the ... | 10/20/2009 |
| 7364603 | Method and apparatus for the abatement of toxic gas components from a semiconductor manufacturing process effluent stream An apparatus and process for abating at least one acid or hydride gas component or by-product thereof, from an effluent stream deriving from a semiconductor manufacturing process, comprising, a first sorbent bed material having a high capacity sorbent affinity for t... | 04/29/2008 |
| 7360530 | Air cleaner A housing 11 accommodates a pleated filter element 14. A fuel adsorbent member 16 is arranged in the housing 11 at a position downstream from the filter element 14. The fuel adsorbent member 16 adsorbs evaporative fuel leaki... | 04/22/2008 |
| RE40006 | Flow regulated pressure swing adsorption system Pressure swing adsorption (PSA) separation of a gas mixture is performed in an apparatus with a plurality of adsorbent beds. The invention provides rotary multiport distributor valves to control the timing sequence of the PSA cycle steps between the beds, with flow ... | 01/22/2008 |
| 7311757 | Analyte pre-concentrator for gas chromatography An analyte pre-concentrator for gas chromatography is disclosed generally comprising a tube having a restricted outlet and packed with an adsorbent, wherein the tube serves as the liner of a chromatographic injector, as an adsorbent trap coupled to a chromatographic... | 12/25/2007 |
| 7294180 | Gas generator assembly A gas generator assembly, which is especially suited to both transportable and on-board oxygen generators, with at least one adsorbent and a buffer tank to store product gas separated from a feed gas mixture. In order to make the assembly squat and compact, the buff... | 11/13/2007 |
| 7281525 | Filter canister family A family of canisters that includes at least two canisters that are adapted to filter a flow of fluid from a fuel tank. Each canister includes a first portion that defines a first perimeter and a first area each common to all canisters of the family. A second portio... | 10/16/2007 |
| 7241728 | Process for purifying a contaminant-containing lipophilic fluid The present invention relates to a system for processing a lipophilic fluid, more particularly to a system for processing a lipophilic fluid utilized in a fabric treating process, even more particularly to a system for processing a lipophilic fluid such that contami... | 07/10/2007 |
| 7219478 | Concrete reinforcement structure This invention relates to a reinforcement structure which is used in providing cementitious mixtures supplemental support and strength upon setting, and more particularly, to a reinforcement structure which comprises a plurality of oriented reinforcing fibrous and/o... | 05/22/2007 |
| 7182802 | Evaporative emissions filter An evaporative emissions filter for an engine air induction system. The evaporative emissions filter includes a hydrocarbon vapor-adsorbent member disposed within the air induction system. A mechanism is provided for mounting the evaporative emissions filter within ... | 02/27/2007 |
| 7171963 | Product pump for an oxygen concentrator A product pump for pumping separated product gas from an oxygen concentrator which produces oxygen-rich product gas by utilizing a vacuum swing adsorption (VSA) process. The oxygen concentrator comprises a cartridge containing an adsorbent material for separating th... | 02/06/2007 |
| 7156900 | Adsorber station and the use thereof The invention relates to an adsorber station with a first adsorber (A) and a second adsorber (B). A first closed loop pipeline (1) is connected to the adsorbers (A, B) and is provided with product gas feed line valves (4A, 4B) and regeneration g... | 01/02/2007 |
| 7137788 | Air compressor oil recirculation system An apparatus for removing oil from air in an air compressor that has a piston reciprocable in a cylinder to compress the air, includes an oil removal chamber associated with the compressor. An unloader valve has an unactuated condition and an actuated condition disa... | 11/21/2006 |
| 7135059 | Portable gas fractionalization system A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at ... | 11/14/2006 |
| 7118614 | Air dryer An air dryer comprises a base member, a main cartridge and an intermediate cartridge. The air dryer is capable of drying and possibly filtering and/or cleaning air passing there through. The intermediate cartridge, capable of drying and possibly filtering and/or cle... | 10/10/2006 |
| 7108736 | Method of installing a molecular sieve bed gas-enriching system A method of installing a molecular sieve bed gas enrichment system in a vehicle such as an aircraft. A system controller, a product gas distribution conduit, a high pressure gas supply conduit which extends from a high pressure gas source, and a plurality of molecul... | 09/19/2006 |
| 7084099 | Method for processing a contaminant-containing lipophilic fluid The present invention relates to a system for processing a lipophilic fluid, more particularly to a system for processing a lipophilic fluid utilized in a fabric treating process, even more particularly to a system for processing a lipophilic fluid such that contami... | 08/01/2006 |
| 7063733 | Filter member A filter member which comprises one layer of deodorizing filter 1, which is composed of a reticulated filter substrate and a deodorizing agent adhering to the surface of its skeletons, and one or two layers of dust collecting filter 2a and 2 | 06/20/2006 |
| 7047948 | Fuel tank A fuel tank for a motor vehicle having a chamber delimited by a wall and having an activated carbon filter located to ventilate the volume of the fuel chamber located above the level of fuel in the tank. ... | 05/23/2006 |
| 7014682 | Apparatus and process for removing contaminants from a flowing gas stream An apparatus and process for removing regulated pollutants and other contaminants from a flowing gas stream between a scrubber and an exhaust stack. The apparatus comprises a vessel having a heater chamber, an adsorbent chamber and a filter chamber. The vessel inlet... | 03/21/2006 |
| 7014692 | Scrubber A scrubber for eliminating NO from air flowing through the scrubber, comprising a housing (1) having at least one inlet hole (2) and an outlet hole (4) and which is comprising filtering material (6). A second outlet hole (9) is pro... | 03/21/2006 |
| RE38844 | Method for reducing emissions from evaporative emissions control systems Disclosed is a method for sharply reducing diurnal breathing loss emissions from automotive evaporative emissions control systems by providing multiple layers, or stages, of adsorbents. On the fuel source-side of an emissions control system canister, high working ca... | 10/25/2005 |
| 6955710 | On-board oxygen production system for aircraft, in particular long-range aircraft Method and system on board an aircraft for the production of an oxygen-enriched gas stream from an oxygen/nitrogen gas mixture, particularly air, comprising at least one adsorber containing at least one adsorbent for adsorbing at least some of the nitrogen molecules... | 10/18/2005 |
| 6953498 | Adsorption gas dryer An adsorption gas dryer has a first drying tower and a second drying tower each having a first port and a second port through which gas can pass into or out of the tower, a first manifold and a second manifold connected respectively to the first and the second ports... | 10/11/2005 |
| 6939395 | ADSORBER FOR CLEANING RAW GASES, FILTER MODULE COMPRISING SUCH AN ADSORBER, FILTER UNIT COMPRISING AT LEAST TWO SUCH FILTER MODULES, AND DEVICE FOR CONDITIONING OUTER AIR OR FOR TREATMENT OF ESCAPING AIR WITH SUCH FILTER MODULES An adsorber for cleaning raw gas has at least one filter element wherein the at least one filter element is made of electrically conducting adsorber material. A filter module has a module housing in which such an adsorber is arranged. The housing has at least one in... | 09/06/2005 |
| 6936093 | Electronic enclosure filter A multilayer filter assembly for use inside an electronic enclosure, such as a hard disk drive enclosure containing a rotating disk, is disclosed. The filter assembly provides filtration of air entering the enclosure, as well as air circulating within the enclosure.... | 08/30/2005 |
| 6929683 | Method and apparatus for pressure swing adsorption A pressure swing adsorption system including a pressure vessel having an opening and a valve manifold including a body having a first cavity fluidly connected to the opening. The body further includes a passage and a channel, such that the passage connects the chann... | 08/16/2005 |
| 6923911 | Method of filtering air through an air passageway The filter system for filtering particulate material from a generally unidirectional fluid stream comprising a first filter removably positioned in the fluid stream and a second filter removably positioned in the fluid stream downstream of the first filter. The firs... | 08/02/2005 |
| 6905536 | Increased surface area hydrocarbon adsorber A hydrocarbon adsorbing device capable of adsorbing or absorbing and subsequently releasing hydrocarbons in the induction system of a motor vehicle. In one embodiment, the hydrocarbon adsorbing device includes an inner cylinder of hydrocarbon adsorbing material and ... | 06/14/2005 |
| 6863714 | Storage apparatus A storage apparatus has a container having an inlet, an outlet and a regeneration air opening. Active carbon is provided as the storage medium in the container. Furthermore, a monolith is disposed in the container. ... | 03/08/2005 |
| 6805729 | System and method for handling fluid using a manifold A manifold assembly including a unitary manifold body including at least two component ports and an integral channel system connecting the component ports in series, and at least two fluid-treating components directly connected to the component ports in a substantia... | 10/19/2004 |
| 6805728 | Method and apparatus for the abatement of toxic gas components from a semiconductor manufacturing process effluent stream An apparatus and process for abating at least one acid or hydride gas component or by-product thereof, from an effluent stream deriving from a semiconductor manufacturing process, comprising, a first sorbent bed material having a high capacity sorbent affinity for t... | 10/19/2004 |
| 6783577 | Gas purifier system containing an ultra-low emission carbon material A gas purifier system containing an ultra-low emission (ULE) carbon material for reducing trace impurities such as organic compounds and carbon monoxide to sub-ppb levels in gases such as nitrogen, helium and argon. Ultra-low emission (ULE) carbon materials is capab... | 08/31/2004 |
| 6783576 | Gas purifier system for removing trace impurities from a reactive fluid Gas purifier system containing a preconditioned ultra-low emission (P-ULE) carbon for reducing trace impurities such as organic compounds and carbon monoxide in reactive fluids such as ammonia, hydrogen chloride, hydrogen bromide, and chlorine to sub-ppb levels. P-U... | 08/31/2004 |
| 6761748 | Air filtration system An air filtration system for purifying an air stream, such as the intake air for an internal combustion engine, including a system plate (10), an unfiltered air zone (13), a filter housing (12) containing a filter element (16), and a filt... | 07/13/2004 |
| 6752851 | Gas separating and purifying method and its apparatus The gas separation and purification process can recover efficiently a valuable gas such as krypton and xenon to be used as an atmospheric gas in a semiconductor manufacturing equipment etc. by means of PSA process. In the process for separating a valuable gas in the... | 06/22/2004 |
| 6740146 | Oxygen concentrator This invention includes a pair of chambers each containing a piston which is reciprocated slowly by a computer controlled reversible fluid pressure pump between an advanced position for moving room air through a molecular sieve bed to strip nitrogen from the air and... | 05/25/2004 |
| RE38493 | Flow regulated pressure swing adsorption system Pressure swing adsorption (PSA) separation of a gas mixture is performed in an apparatus with a plurality of adsorbent beds. The invention provides rotary multiport distributor valves to control the timing sequence of the PSA cycle steps between the beds, with flow ... | 04/13/2004 |
