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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7338552 | Process and device for separating oil and volatile organic components from pressurized gases of a compression system A process and device for separating oil and volatile organic components from pressurized gases of a compression system in which, before oxidation-catalytic separation, a physical separation is performed to protect the oxidation-catalytic separator against a large am... | 03/04/2008 |
| 7338545 | Apparatus for separating liquid from a process gas stream of an electrochemical cell stack A liquid separator includes a housing, a separation chamber disposed within the housing, a drain, an inlet channel, a swirler disposed within the inlet channel, and an outlet channel. The drain has a drain passageway for draining liquid from the separation chamber. ... | 03/04/2008 |
| 7311746 | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid A highly efficient vapor/liquid separation apparatus for treating a flow of vapor/liquid mixtures of hydrocarbons and steam comprises a substantially cylindrical vertical drum having an upper cap section, a middle section comprising a circular wall, a lower cap sect... | 12/25/2007 |
| 7278243 | Molding for suspended panel ceiling A wall molding for a panel suspended ceiling having a vertical leg that is attached to a wall, and a horizontal ledge that supports a beam extending outwardly from the wall, with the ledge having a pair of tabs and a ratchet tooth lanced from the ledge at regular in... | 10/09/2007 |
| 7232369 | System and method for providing heating, ventilation and air conditioning An under-floor, perimeter-based heating ventilation and air conditioning pressurized air delivery system for use in a space includes a ventilation module, to be located in the floor, a multi-deflection linear bar grille covering the ventilation module, for diffusing... | 06/19/2007 |
| 7214216 | Drainage chamber for collecting body fluids, in particular liquor A drainage chamber for collecting body fluids, in particular liquor, includes a collecting area limited by an outer wall for collecting the body fluid, an inlet connection linked to the collecting area for linking to a drainage catheter (an intraventricular catheter... | 05/08/2007 |
| 7186282 | Motor-vehicle air cleaner A motor-vehicle air cleaner provided with a check valve mechanism on the lower cap of the air cleaner for drainage and ventilation, and a protection disposed on the outer edge; the check valve being closed as the engine runs to prevent from taking in water vapor and... | 03/06/2007 |
| 7178557 | CPVC drain waste and vent fittings A drain, waste and vent (“DWV”) fitting is made from chlorinated polyvinyl chloride. ... | 02/20/2007 |
| 7146770 | Angle-section column-beam connector A column/beam interconnection employing angular connectors which wrap complementarily around an outside corner in a column. Each connector includes, on each of two, next-adjacent column faces, a cantilever-projecting deflectable tab which is nominally spaced from an... | 12/12/2006 |
| 7128771 | Air filter retaining system A filter retaining system formed from multiple filter retaining frames is disclosed. Each of the frames is formed from either a female type extrusion or a combination of male and female type extrusions. Specifically, each frame has either a tongue or a groove which ... | 10/31/2006 |
| 7090711 | Multistage air cleaner including pulse cleaning system A V-pack filter includes a frame construction having a first frame structure and a second frame structure. The V-pack filter also includes first and second panel sections mounted in extension between the first and second frame structures. The first panel section has... | 08/15/2006 |
| 6972092 | Self-venting valve end cap and method A one-piece, molded plastic end cap (1) is designed for installation in a diesel engine fuel filter. The end cap (1) comprises a disk-shaped filter support component (2), with a top portion adhesively connected to the fuel filter center tube ( | 12/06/2005 |
| 6932850 | Pleated filter and a method for making the same A filter may comprise a plurality of pleats, at least one pleat including a pair of pleat legs and pleat tip region. In some embodiments, a thickness of pleat tip region at a point spaced about one to four pleat leg thicknesses from the end of the pleat tip region m... | 08/23/2005 |
| 6916352 | Method of preventing air bypass in a filter bank and a filter assembly A method of preventing air bypass in a filter bank and a filter assembly in accordance with the teachings of the method. Filter panels are inserted through an access opening of a filter bank. As the filter panels are inserted they are connected in side by side relat... | 07/12/2005 |
| 6881268 | Method and apparatus for forming required gas atmosphere The present apparatus includes a casing (1) having a gas introduction opening (3) for introducing a gas into the casing and a gas discharge opening (5) for discharging the gas from the casing, a gas circulating tube passage (8) communicat... | 04/19/2005 |
| 6799573 | Air filtration system An air filtration system includes a light weight container which stores a quantity of water for filtering contaminants from inhaled air. A coupling assembly is used to connect the container to a flexible hose for delivery of the filtered air to the dust mask worn by... | 10/05/2004 |
| 6797028 | “Push-on” self attach adaptive filter There is provided in a standard ceiling system, having suspension rails or elements a movable air delivery diffuser resting on the suspension elements and a filter panel inserted into and retained between the suspension elements and the air delivery diffuser. The fi... | 09/28/2004 |
| 6776812 | Gas liquid centrifugal separator A gas liquid centrifugal separator includes a cylindrical vessel having an axis extending in a vertical direction, an exhaust port in a top wall of the vessel which discharges gas separated from a liquid-gas mixture, a drainage port provided in a bottom wall of the ... | 08/17/2004 |
| 6676720 | Filter unit for filtering gas A filter unit (1) for filtering gas has a plurality of bag filters (10) hanging down from a suspension plate (7) dividing a housing into a lower gas inlet side (9) and an upper outlet side (8) for filtered gas. The individual bag filter (10) has an open e... | 01/13/2004 |
| 6520034 | High air volume to low liquid volume aerosol collector A high air volume to low liquid volume aerosol collector. A high volume flow of aerosol particles is drawn into an annular, centripetal slot in a collector which directs the aerosol flow into a small volume of liquid pool contained is a lower center secti... | 02/18/2003 |
| 6351920 | Ceiling module perimeter seal A ceiling module perimeter seal establishes an air-tight seal between modules forming a ceiling structure. The seal includes a groove about the perimeter of modules and aligned relative to a corresponding groove of an adjoining module. Aligned grooves in ... | 03/05/2002 |
| 6273926 | Cleanroom filter unit A filter unit for airtight attachment to a framework of a cleanroom ceiling includes a filter, a circumferential wall surrounding the filter, and a downwardly projecting sealing knife to be received in a sealant containing groove formed in said framework.... | 08/14/2001 |
| 6206971 | Integrated temperature controlled exhaust and cold trap assembly A temperature-controlled exhaust assembly with cold trap capability. One embodiment of the exhaust assembly comprises a multi-heater design which allows for independent multi-zone closed-loop temperature control. Another embodiment comprises a compact mul... | 03/27/2001 |
| 6117202 | Gasket seal for filter unit A filter and frame arrangement, e.g., a HEPA type filter/blower unit, has an arrangement for sealing the filter in place to prevent contaminants from leaking around the filter. A secondary seal, e.g., in the form of a gasket, both holds the filter in plac... | 09/12/2000 |
| 6066209 | Cold trap The invention relates to an apparatus and process for filtering deposition gases in a substrate processing system. Particularly contemplated is an apparatus and process for the filtering deposition gases of a metal-oxide film deposited on a silicon wafer ... | 05/23/2000 |
| 5993311 | Clean room ceiling structure A clean room ceiling structure includes a support structure and filter units with a filter frame and a filter secured in the filter frame. The filter frames are connected to the support structure. The filter units have sealing fluid grooves for sealing th... | 11/30/1999 |
| 5961701 | Moisture separator for digester gases and landfill gases and raw natural gases Two versions of centrifugal type separators capable of removing moisture from digester gases, landfill gases and raw natural gases, each separator including an upright housing having a cylindrical upper region (of a circular cross-section) and a conical l... | 10/05/1999 |
| 5961702 | Air replenishment unit An air replenishment unit more particularly for suspension under ceilings of clean rooms, including a housing whose wall is provided with a fan on the intake side, an outlet opening of the housing being functionally connected with an air filter arrangemen... | 10/05/1999 |
| 5922094 | Water removal system An apparatus for automatically removing water from a digester system includes a sediment trap attached to a drain system wherein gas, water and sediment enter the sediment trap by way of gas lines, water and sediment are separated from the gas and settle ... | 07/13/1999 |
| 5904742 | Gas filtering device for a light gas tank A gas filtering device for a light gas tank includes a tank, a control valve, a filter, a position block and a position bolt. The control valve is combined with a center hole of the tank body and has a passageway communicating with a hollow interior of th... | 05/18/1999 |
| 5885332 | Solvent receptacle and degasser for use in high pressure liquid chromatography A vacuum degassing and solvent delivery apparatus for those solvents being utilized in high pressure liquid chromatographic operations and/or applications. The degassing and delivery apparatus of the present invention is designed for attachment directly t... | 03/23/1999 |
| 5769911 | Device for the removal of liquid and solid contaminants from a gas A device for the removal of liquids and/or impurities from a gas includes a primary receiver which at an upper area thereof communicates with a space or conduit in which liquid or impurities containing gas is contained and in this primary receiver a secon... | 06/23/1998 |
| 5656047 | Wet gas scrubber An improved wet scrubber for removing airborne particulates and absorbing water-soluble gases from an airstream includes an outer shell and a continuous spiral flight within the outer shell. A first bank of scrubber nozzles spray water and/or chemical thr... | 08/12/1997 |
| 5620369 | Method and device for unidirectional airflow in cleanroom A ceiling structure within a cleanroom, including an array of cleanroom filters supported in openings of a grid support structure, wherein the ceiling structure includes a gel track coupled either at the top of the grid support channel. The cleanroom filt... | 04/15/1997 |
| 5540028 | HEPA filter ceiling assembly with in-situ gelation of sealant A clean room ceiling having an air impervious filter support and air flow path-defining filters supported by the support, and a permanently fluid, nonevaporative non-air-flow-displaceable gel blocking air flow past the support except along the filter defi... | 07/30/1996 |
| 5417610 | Method and device for reducing vortices at a cleanroom ceiling A ceiling structure within a cleanroom, including an array of conventional HEPA filters supported in openings of a grid support structure, wherein the ceiling structure includes a gel track coupled near a lowest interior perimeter of each of the openings ... | 05/23/1995 |
| 5279632 | Planar clean room ceiling structure A plenum-type ceiling for a clean room is formed of modules having lateral side portions which are adapted to be attached together into a grid-like network. Bottom portions of the lateral sides of each module are inwardly stepped to provide downwardly fac... | 01/18/1994 |
| 5279090 | Ceiling-frame construction method and ceiling-frame structure for clean rooms In a method of constructing a ceiling frame to support a filter at the ceiling of a clean room, the method is characterized in that a number of divisional frame units are formed, each in a rectangular frame, to frame a filter unit to be installed, that th... | 01/18/1994 |
| 5217622 | Process and apparatus for treatment of cemetary liquids, gases and vapors from stanch interment units An apparatus for the treatment of liquids, gases and vapors originating from water impervious interment units comprises a plurality of vertical passages in the vertical walls between units. The upper ends of the vertical passages are connected to an exhau... | 06/08/1993 |
| 5114683 | Thermal decomposition trap A thermal decomposition trap includes a trap main body (21) having an inlet port (26) for supplying a gas to be thermally decomposed and an outlet port (27) for exhausting the gas, and a heater (23, 25) for heating the gas supplied in the trap main body (... | 05/19/1992 |
