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| Number | Title | Issue Date |
| 8137445 | Gas treating method and apparatus A method and apparatus for treating natural gas comprises a contactor having a manifold for spreading gas in the contactor vessel, a plurality of perforated plates above the manifold, a spray system for spraying a treating liquid into an upwardly rising column of ga... | 03/20/2012 |
| 7740691 | Gas treating method and apparatus A method and apparatus for treating natural gas comprises a contactor having a manifold for spreading gas in the contactor vessel, a plurality of perforated plates above the manifold, a spray system for spraying a treating liquid into an upwardly rising column of ga... | 06/22/2010 |
| 7297189 | JR dust clean vacuum The present invention consists of a system related to vacuum cleaners, more specifically, to a system designed to filter the micro-dust that escapes from the bag with the air. The inlet turbine will suck the dirt into the vacuum cleaner bag Zone 1 where the air will... | 11/20/2007 |
| 7297188 | Floor finishing and dust collection apparatus Sanding and screening are steps in floor finishing that produce large quantities of fine dust which is difficult to remove and which plugs porous filter elements of dust collection systems. Dust collection is enhanced with a floor screening attachment for a floor ma... | 11/20/2007 |
| 7246406 | Dust collection system A system for cutting and cleaning material to be cut. The system is particularly effective for hard materials which produce heavy particles. The system is ideal for cutting green concrete. This invention provides a two-piece device for locating vacuum a hose connect... | 07/24/2007 |
| 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 |
| 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 |
| 7097691 | Method for producing pigment nano-particles Method for producing pigment nano-particles may include vaporizing a pigment precursor material; drawing the vaporized pigment precursor material into a precipitation conduit; contacting the vapor in the precipitation conduit with a collection fluid at a first locat... | 08/29/2006 |
| 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 |
| 6866705 | Floor finishing and dust collection apparatus Sanding and screening are steps in floor finishing that produce large quantities of fine dust which is difficult to remove and which plugs porous filter elements of dust collection systems. Dust collection is enhanced with a floor screening attachment for a floor ma... | 03/15/2005 |
| 6843835 | Air cleaning apparatus and method for cleaning air An air cleaning apparatus is disclosed which, in one embodiment, has: an inlet for ambient air; an outlet for purified air; a mechanism for the uptake of a scrubbing liquor and for the removal of impurities dissolved or dispersed in the ambient air by contact with s... | 01/18/2005 |
| 6811690 | Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids An apparatus is provided for separation of suspended solid particles from fluids, for separation and mixing of fluids, and for dissolving gases in aqueous fluids. The apparatus employs a grooved ring to divide the fluid stream and impart a high velocity on each of t... | 11/02/2004 |
| 6521022 | Apparatus and method for reducing residual solvent levels Apparatus and methods for reducing residual solvent levels in extracted biomass that is contaminated with HFC solvent that includes sparging the biomass extract with a solvent stripping gas such as air or nitrogen are disclosed. Apparatus for carrying out... | 02/18/2003 |
| 6521027 | Air cleaner An air cleaner includes a scrubber, a water purifier and a water feeder. The scrubber includes a housing being provided with a central tank and an air outlet. A barrel is disposed inside the housing so as to form a scrubbing room with the central tank. An... | 02/18/2003 |
| 6508867 | Vacuum cleaner A vacuum cleaner is provided having a housing, a suction unit arranged therein and a suction pipe which enters the housing and is connected to the suction side of the suction unit via a dirt collecting container and a separating device. The closed dirt co... | 01/21/2003 |
| 6500244 | Liquid spray absorbing A filtration device particularly for use with vacuum cleaners used for collection of fine liquid spray particles which tend to clog porous solid filters. The device utilizes readily replaceable liquid as a filtration medium with air being forced into the ... | 12/31/2002 |
| 6398851 | Anti-air pollution & energy conservation system for automobiles using leaded or unleaded gasoline, diesel or alternate fuel Exhaust gases from an internal combustion engine operating with leaded or unleaded gasoline or diesel or natural gas, are used for energizing a high-speed gas turbine. The convoluting gas discharge causes a first separation stage by stratifying of heavier... | 06/04/2002 |
| 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 |
| 6302947 | Apparatus for controlling air-borne particles at a manicure work station A apparatus for controlling air-borne particles at a manicure work station for controlling fumes and air-borne particles associated with manicures. The apparatus for controlling air-borne particles at a manicure work station includes a platform. The platf... | 10/16/2001 |
| 6270559 | Breathe clean air with aqua air-filter The upper cylinder with several holes perforated in the base is inserted and bolted to the lower cylinder with several holes perforated in the upper part of the wall of the larger cylinder. A circular damper plate is placed on top of the upper cylinder to... | 08/07/2001 |
| 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 |
| 6224656 | Cleaner for both dry and wet use having a moveable ring connected to a fan, the moveable ring having circumferential ribs A cleaner for both dry and wet use capable of sucking not only a solid but also a semisolid and liquid. The cleaner comprises a suction member; a fan for gas-liquid separation which rotates by operation of the suction member; a movable ring disposed above... | 05/01/2001 |
| 6174350 | Vacuum cleaner A vacuum cleaner assembly (10) includes a main housing (12) having an inlet (14) and an outlet (16). A motor (17a) is disposed within the main housing (12) for providing motive force to a cooling fan (17b), a blower (17c), and a separator (22). The separa... | 01/16/2001 |
| 6136204 | Apparatus for treating a process fluid An automatic control apparatus for effecting the continuous removal of contaminants, such as volatile organic compounds (VOCs) from a process fluid, such as water used to wash print towels or the like. The apparatus includes a pump for circulating wash wa... | 10/24/2000 |
| 6132493 | Apparatus and method for washing air with a liquid without an eliminator An air washer includes an upwardly-open vessel for holding an air washing liquid. An air inlet opening into the upwardly open vessel introduces air to be washed below the upper level of the air washing liquid, and a chamber above the upper level of air wa... | 10/17/2000 |
| 6019826 | Vacuum cleaner A vacuum cleaner having a suction path at least partially submerged in a container of water is subdivided into two parts. An upper part supports a suction motor assembly, and a lower part includes a container of water engaged perimetrically by hooking mea... | 02/01/2000 |
| 6004364 | Separation device The present invention relates to a process and a device for the separation and purification of gas from a fiber suspension, especially residual gas after ozone delignification or pulp suspension, wherein the suspension together with the gas is introduced ... | 12/21/1999 |
| 6004379 | System for quenching and scrubbing hot partial oxidation gas A scrubbing tower and high pressure settler assembly, and the process for using same to remove particulates from a hot partial oxidation gas stream is disclosed. The scrubbing tower and high pressure settler assembly has a dip tube, a bottom portion, a to... | 12/21/1999 |
| 6001155 | Polyphasic pressurized homogenizer A polyphasic pressurized homogenizer for removing substances, particularly contaminants from a gas environment, the homogenizer having a pressurized gas stream drawing gas from the gas environment and a pressurized liquid stream from a liquid source with ... | 12/14/1999 |
| 5938821 | Drum bubbler tritium processing system A method of separating tritium oxide from a gas stream containing tritium oxide. The gas stream containing tritium oxide is fed into a container of water having a head space above the water. Bubbling the gas stream containing tritium oxide through the con... | 08/17/1999 |
| 5908491 | Air cleaner An air cleaner for efficiently providing clean air for a structure is comprised of a housing having an intake port and an exhaust port. At least one air chamber having a liquid reservoir at its base is disposed within the housing. A fan draws air through ... | 06/01/1999 |
| 5888277 | Automatic disinfecting means for smoky gas in conduit or closed space Smoky gas in conduit or closed space is disinfected by a box body, a blower which is arranged within said box body, an input openings and two output opening which can be switched alternately, a feedback pipe connected to the input opening, a vaporization ... | 03/30/1999 |
| 5882378 | Method to detect metal impurities in the semiconductor process gases A process to detect metal impurities in a gas or gas mixture including the steps of directing the gas or gas mixture through non-metallic pipings to a sampling device and sampling the gas or gas mixture for metal impurities detection, wherein the sampling... | 03/16/1999 |
| 5820657 | Method and apparatus for percolating vacuum cleaning Method and Apparatus for Percolating Vacuum Cleaning wherein driven by vacuum incoming to the apparatus mixture of air and other substances is directed under the top surface of a liquid, where heavier than air particles remain, but cleaned air particles p... | 10/13/1998 |
| 5773621 | Gas dispersion pipe for gas-liquid contact, and device for gas-liquid contact making use thereof A gas dispersion pipe into which gas is introduced through its top end portion and blown out from its bottom end portion into liquid for gas-liquid contact, and a method and a device for gas-liquid contact employing the gas dispersion pipe are disclosed. ... | 06/30/1998 |
| 5468270 | Assembly for wet cleaning of combustion gases derived from combustion processes, especially the combustion of coal, coke and fuel oil An assembly for wet cleaning combustion gases includes at least one dust extracting device and at least one dust absorbing device. The main vessel of the dust extracting device includes a bottom having a ridge roof structure. An inlet is provided for intr... | 11/21/1995 |
| 5460636 | Impurity scavenging system An impurity scavenging system which scavenges impurities of off-gases discharged from a clean room of a production line for semiconductors. The impurity scavenging system has a gas introduction line through which gas to be processed (hereinafter referred ... | 10/24/1995 |
