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| Number | Title | Issue Date |
| 7291192 | Removable gas/liquid separator for a motor A motor-driven blower, particularly suited for carpet cleaners and other wet vacuuming appliances, includes a rotating separator cup to impede water droplets and foam from being drawn into the blower. The separator cup is removably connected to a spider bracket that... | 11/06/2007 |
| 7287301 | Utility vacuum A utility vacuum that may be configured to employ a disposable bag or removable and reusable container for the collection of dirt and debris that are drawn into the utility vacuum. The utility vacuum may employ one or more movable legs that are movable between an ex... | 10/30/2007 |
| 7208031 | Portable paint spray capture assembly The apparatus is a portable paint spray capture apparatus that limits dispersion of sprayed paint and permits spray painting small surfaces in unenclosed areas without harming the environment or nearby objects. An open top container is located below the surface bein... | 04/24/2007 |
| 7203992 | Separator for vacuum cleaner The separator has a bottom (12), a cylindrical body with turbine blades (15), and a sealing ring (11) at the upper end. The separator is made of segments or of an integral one piece. The segment of the separator (10) is manufactured as a ... | 04/17/2007 |
| 7163571 | Exhaust gas cooler and particulate scrubbing system An exhaust gas cooling and particulate scrubbing system for automobiles includes a first stage intercooler for initial, indirect cooling of the exhaust gas and a direct exhaust gas cooling and scrubbing device preferably positioned downstream in the exhaust system t... | 01/16/2007 |
| 7156895 | Air cleaning system A system for cleaning air wherein the air to be cleaned is bubbled up through an aqueous phase and an organic phase. The air is bubbled upwardly through the liquid to take advantage of the weight of the liquid to compress the gas, thereby increasing the solubility o... | 01/02/2007 |
| 7147692 | Air cleaning apparatus and method for cleaning air The method involves contacting the air with an aqueous or non-aqueous liquid in a stand-alone system. The air may be brought into contact with the liquid using a number of different types of apparatus, including a packed column scrubber. The liquid may be non-evapor... | 12/12/2006 |
| 7135051 | Dirt cup filter with pre-filtration cap A dual-stage vacuum cleaner filter with a pre-filtration cap having pre-filtering screens. A base with an aperture and a filter media strip pleated in the shape of a frustocone can be mounted within the dirt cup of a handheld vacuum. A circular, planar gas impermeab... | 11/14/2006 |
| 7121532 | Aeration system for liquid An aeration tank used in a method of treating effluent includes a pipe for transporting the effluent from the source to the tank bottom and a discharge duct having a siphon effect for tapping off an overflow from the tank as more effluent is added from the source. A... | 10/17/2006 |
| 7122762 | Implementation system for continuous welding, method, and products for the implementation of the system and/or method Apparatus and method for use with a welding system. The apparatus and method provides a fluid bath which allows a welding nozzle of the welding system to be dipped into, for example, a friction reducing agent. ... | 10/17/2006 |
| 7108250 | Apparatus and method for producing small gas bubbles in liquids An apparatus for creating microbubbles of gas in a liquid. A vertical pipe member is adapted to receive a liquid-gas mixture having gas bubbles of larger diameter therein. A series of horizontally-extending apertures are provided to permit the pipe member to expel s... | 09/19/2006 |
| 7056367 | Method and apparatus for scrubbing gases, using mixing vanes A scrubber for exhaust gases comprises a series of nested counter-flow passages including a hot plenum having a star-shaped section. Exhaust gases from the hot plenum surge through a liquid bath and flow in a reverse direction through an inclined array of flat, over... | 06/06/2006 |
| 7025336 | Apparatus for removing particulates from a gas stream Particulates are removed from a gas stream by contact with a liquid. The gas stream is conveyed through an inlet channel, towards a liquid reservoir which is located below a perforated sheet. Gas flowing through holes in the sheet creates a pressure drop between the... | 04/11/2006 |
| 7025807 | Method for absorbing vapors and gases from pressure vessels The invention relates to a process for absorbing vapors and gasses by controlling overpressure in storage tanks during filling, transport and storing of fluids in liquid form. The process includes leading of gas down to the bottom of the tank, where a major part of ... | 04/11/2006 |
| 7008469 | Portable air filtration system utilizing a conductive coating and a filter for use therein A portable air filtration system includes a filter housing having an air inlet and outlet. The housing defines a filtration chamber between the inlet and outlet. The air filtration system uses an intake fan, an ionizing mechanism, a filter media, and a conductive co... | 03/07/2006 |
| 6966942 | Process for purifying exhaust gases by employing a bubble generator A process for purifying exhaust gases using a bubble generation device is disclosed. ... | 11/22/2005 |
| 6955715 | Water-based air filter system A water-based air filter system for recycling and cleaning the air found in industrial plants, in particular. The water-based air filter system includes a support base; and also includes a tank being disposed in the support base and being at least partially-filled w... | 10/18/2005 |
| 6926759 | Air filter An air filter baffle unit that works with large type canister wet/dry type vacuums. The baffle unit also can be used in large air filter systems and can be ganged to increase filtering. The baffle unit has two sections that are connected for use. An inlet pipe is co... | 08/09/2005 |
| 6899747 | Separator for a wet vacuum device and method for separating dirt and dust particles as well as water droplets from an air/gas stream of a wet vacuum device A separator for a wet vacuum device has a bottom and a sidewall connected to the bottom. The sidewall has stays defining slots between the stays. An air/gas stream, containing particles to be separated from the air/gas stream, enters the separator through the slots ... | 05/31/2005 |
| 6895954 | Scrubber ventilation system A ventilation system for removing cooking effluents and combustion products from an exhaust of a cooking appliance. The ventilation system includes a ventilation hood having an air inlet and an exhaust gas outlet disposed over the cooking appliance, a water bath dis... | 05/24/2005 |
| 6893484 | Low operating pressure gas scrubber Provided herein is an apparatus for scrubbing either acidic or alkaline impurities from gas streams, wherein the gas streams to be scrubbed exist at a pressure which is only slightly higher than ambient pressure. An apparatus according to a preferred form of the inv... | 05/17/2005 |
| 6878187 | Seeded gas-liquid separator and process A separation process, the steps that include: providing an expansion zone, flowing a gaseous fluid into and through the expansion zone, flowing a spray of liquid droplets into the expansion zone to mix with the gaseous fluid and produce nucleation sites, then expand... | 04/12/2005 |
| 6872240 | Method and apparatus for filtering an air stream using an aqueous-froth together with nucleation A method for urging contact between contaminants in an air stream and the wet surfaces of an aqueous-froth, and additional means of limiting the froth to a predetermined volume are provided. A wide spectrum of solution micro-droplet sizes (0.001 to 1000 micron) is i... | 03/29/2005 |
| 6869466 | Cucurbiturils and method for binding gases and volatiles using cucurbiturils In accordance with the invention, there is provided a method of binding a gas or volatile compound in a cucurbituril, by contacting the gas or volatile compound with the cucurbituril to form a cucurbituril-gas/volatile complex. There is also provided a method of sep... | 03/22/2005 |
| 6821318 | Kitchen air filtration system An improved air filtration system is provided for a kitchen island so as to cleanse cooking vapors from the air. The system includes an updraft or downdraft air inlet vent for capturing, either individually or simultaneously, the vapor-containing air generated durin... | 11/23/2004 |
| 6761756 | Air purification system for a central air conditioning unit An air purification system for a central air conditioning unit for effectively purifying air for central air conditioning systems. The air purification system for a central air conditioning unit includes a pan assembly including a pan member having bottom and side w... | 07/13/2004 |
| 6749668 | Process for the recovery of combustible components of a gas stream A process for the recovery of combustible components of a gas stream containing the combustible components and oxygen by selective absorption of the combustible components in a solvent, whereby during the absorption the gas phase is dispersed in a continuous liquid ... | 06/15/2004 |
| 6626983 | Method and apparatus for removing particulates An apparatus for removing particles and/or other undesirable components from a gas stream includes a container containing a liquid, an inlet for the gas stream permitting wetting of at least a portion of the gas stream, and an outlet from the container fo... | 09/30/2003 |
| 6616733 | Method and means for filtering an air stream with an aqueous froth A method and apparatus for filtering an air stream with an aqueous froth are provided. The process includes: passing a contaminated air stream through a diffusing sieve, into an aqueous solution in an expansion chamber; generating, maintaining, and contai... | 09/09/2003 |
| 6562106 | Atmosphere treatment device for sealed containers A treatment device is attached to a sealed container to provide clean replacement atmosphere to maintain the purity and cleanliness of the uncontaminated liquid remaining in the container. The device includes a valving system arranged to control flow of a... | 05/13/2003 |
| 6547855 | Mass transfer system A mass transfer machine removes dissolved gases or volatile organic compounds from air or a liquid. The mass transfer machine includes a vessel capable of containing a liquid and having a liquid inlet and an air inlet at a near end. It further includes a ... | 04/15/2003 |
| 6406219 | Greenhouse gas emission disposal from thermal power stations A process is provided for reducing a greenhouse gas emission component of a combustion gas from a thermal power generation plant. The thermal power generation plant is located in a coastal region adjacent the ocean. The plant is located beneath a seawater... | 06/18/2002 |
| 6402816 | Gas scrubber An exhaust gas scrubber including a tank of scrubbing liquid into which a downconer pipe(s) feeds inlet gas and fresh scrubbing liquid from a plenum. The inlet gas flows through slotted vortex generators forming file-scale bubbles encapsulated within a sc... | 06/11/2002 |
| 6391093 | Welding filtration system A weld chamber has an air intake and an exhaust or evacuating ductwork for evacuating gases and other particles from the welding chamber. The evacuating ductwork is connected to a vacuum source to remove gases and by products from the weld chamber during ... | 05/21/2002 |
| 6361587 | Vacuum cleaner A vacuum cleaner assembly comprising a main housing, a primary filter system, and a secondary filter system. The main housing includes an inlet and an outlet. The primary filter system filters the air prior to being exhausted outwardly through the outlet.... | 03/26/2002 |
| 6306199 | Separator with multiple function vanes for a vacuum cleaner apparatus A vacuum cleaner apparatus includes a housing, a motor disposed within the housing and having an output shaft, and a fan coupled to the output shaft for generating a vacuum airflow through an air intake port in the housing. A separator is operably coupled... | 10/23/2001 |
| 6238463 | Process and device for the cleaning of exhaust air from kitchen equipment The present invention concerns a method of cleaning exhaust air from kitchen equipment, such as steamers, grilling equipment, baking ovens and the like. According to this method, the exhaust air is subjected to a pressure increase and then introduced into... | 05/29/2001 |
| 6238468 | Quench vessel Provided is a quench vessel having a cooling structure in which a combustion gas is forced down and through a cooling liquid a plurality of times.... | 05/29/2001 |
| 6210468 | Multiple weir scrubber A scrubber for removal of contaminants from gas by liquid contact. The scrubber has a gas and liquid tight containment walls, to contain a gas stream through the scrubber, and to allow recirculation of scrubbing liquid, without the need for external power... | 04/03/2001 |
| 6183541 | Baffled horizontal dehydrator A natural gas dehydrator and process for dehydrating natural gas employ a longitudinal horizontal pressure vessel containing a threshold level of liquid desiccant. A plurality of spaced-apart baffles divides the vessel into a series of pneumatically discr... | 02/06/2001 |
