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| Number | Title | Issue Date |
| 7354555 | Gas flow control system with interlock A system for controlling the flow of gases into a reaction chamber used in processing semiconductor devices includes a safety interlock feature that prevents inadvertent mixing of incompatible, reactive gases. The interlock feature is implemented in an interlock con... | 04/08/2008 |
| 7350349 | Method and device of a particle filter for an exhaust system, silencer including such a device, and a combustion engine driven vehicle Method and device for a particle filter for an exhaust system for a combustion engine, wherein the filter is regenerated by spontaneous combustion of particles accumulated in the filter. Exhaust gases from the combustion engine are led, during operation, past the fi... | 04/01/2008 |
| 7264040 | Exhaust gas heat exchanger and bypass assembly An exhaust gas heat exchanger and bypass has an intake manifold, an outlet manifold, a duct for a heat exchanger, and a bypass duct. The heat exchanger duct and the bypass duct run in parallel between the intake manifold and the outlet manifold and are sealingly con... | 09/04/2007 |
| 7261866 | CO remover that is simple in structure and performs a selective reaction of CO at a high CO selectivity The CO remover of this invention includes an air mixer for mixing air with hydrogen-rich gas including carbon monoxide and a selective oxidative catalytic device in which a selective oxidative catalyst bed is formed by filling selective oxidative catalyst into a gas... | 08/28/2007 |
| 7070633 | Fuel gas generating apparatus for a fuel cell The present invention improves the start-up characteristics of a fuel gas generating apparatus for a fuel cell comprising a reformer. In a fuel gas generating apparatus 1 for a fuel cell comprising a vaporizer 22 that generates a fuel vapor by vaporizi... | 07/04/2006 |
| 7056480 | Fuel reforming system A fuel reforming system comprises a reforming catalyst section (4) performing reformate reactions on supplied fuel gas, a membrane hydrogen separator (5) extracting hydrogen from the reformate gas, a supply device (8–14) supplying combustion g... | 06/06/2006 |
| 6902706 | Valves enabling a liquid to be directed in a diagnostic chart diagnostic charts and diagnostic device comprising several charts A valve (2), crossed by at least one channel (3), allowing to direct at least one fluid (F5) displaced by a transfer device within a test sample card (1), the card (1) featuring two faces (4 and 5) connected to one an... | 06/07/2005 |
| 6793699 | Continuous tracer generation apparatus The invention provides an apparatus for online and on-site tracer generation for tagging natural gas stored in underground storage fields wherein feedstock is drawn from a feedstock source. The feedstock undergoes initial analysis to determine hydrocarbons levels. T... | 09/21/2004 |
| 6706527 | Automated fluid analysis apparatus and techniques An automated device that couples a pair of differently sized sample loops with a syringe pump and a source of degassed water. A fluid sample is mounted at an inlet port and delivered to the sample loops. A selected sample from the sample loops is diluted in the syri... | 03/16/2004 |
| 6544413 | Simulated moving bed device This invention provides an ultra-micro simulated moving bed apparatus employing valve devices, each of which is applied to each unit column and comprises an eluent valve that opens or closes a first communication passage connecting an eluent feeding cul-d... | 04/08/2003 |
| 6543217 | System for determining the effectiveness of a catalytic coating on a catalytic converter in a motor vehicle A system for determining the effectiveness of a catalytic coating on a catalytic converter in a motor vehicle. The system provides a driver or maintenance staff status of the catalytic function provided by the catalytic coating on the catalytic converter ... | 04/08/2003 |
| 6423280 | Hydraulic control of detergent concentration in an automatic warewashing machine An apparatus for maintaining an effective concentration of alkaline detergent in an aqueous medium in a warewashing machine, which apparatus comprises a batch-fill warewashing machine having an aqueous rinse system, an alkaline detergent dispenser and a s... | 07/23/2002 |
| 6149874 | Rinsing apparatus in a simulated moving bed adsorption unit, and the use thereof A rinsing apparatus used in a simulated moving bed feed adsorption unit includes a plurality of beds of an adsorbent, each being connected by a fluid distribution arrangement comprising a line for distributing fluids to at least one feed inlet. The appara... | 11/21/2000 |
| 6093372 | Oxygen flow control for gasification The system for controlling oxygen flow in a gasification process of the instant invention comprises a suction control valve located between the oxygen source and the oxygen compressor. The suction control valve is adapted in order to open to deliver oxyge... | 07/25/2000 |
| 6042791 | Pressure and VOC concentration wave damping for a thermal oxidizer Apparatus and methods for modulating or damping surges of gaseous component (VOC) to a system for destroying the gaseous component are provided which include an accumulator located and adapted to hold gaseous component resulting from such a surge. The pre... | 03/28/2000 |
| 6004518 | High-purity simulated moving bed adsorptive separation apparatus Improved product purity is provided in a simulated moving bed adsorptive separation apparatus by flushing the stagnant volume of the feed valve and the transfer line connecting the feed valve to the rest of the apparatus. The invention adds another line f... | 12/21/1999 |
| 5750076 | Apparatus for the two-stage selective oxidation of carbon monoxide in a hydrogen-containing gas mixture An apparatus for the two-stage selective oxidation of carbon monoxide to carbon dioxide in a fuel stream comprising hydrogen and carbon monoxide. The apparatus includes primary and secondary reaction chambers, which deliver a hydrogen-rich outlet gas stre... | 05/12/1998 |
| 5547875 | Recalibrating apparatus and method A method and apparatus for recalibrating analytical instruments such as atomic absorption and inductively coupled plasma spectrophotometers comprises the use of coupled piston pumps and valves in a fluid conduit system to obtain a sample value (h) during ... | 08/20/1996 |
| 5512249 | Sterilizing apparatus Apparatus for sterilizing a transfer conduit having (a) a source of steam connected to the transfer conduit, (b) a condensate conduit for draining steam condensate from the transfer conduit, (c) a valve in the condensate conduit having a valve body with an upstream... | 04/30/1996 |
| 5508197 | High-speed thermal cycling system and method of use A thermal cycling system and method of use are described. The thermal cycling system is based on the-circulation of temperature-controlled water directly to the underside of thin-walled polycarbonate microtiter plates. The water flow is selected from a ma... | 04/16/1996 |
| 5498396 | Solution sterilization system A sterilization system for sterilizing a solution such as a parenteral solution or diluent generally includes an arrangement for supplying a solution to be sterilized from an associated source, at least one first heat-exchanger for elevating the temperatu... | 03/12/1996 |
| 5384098 | Exhaust gas recirculation system for an engine The exhaust gas purification system for an engine with two banks provides a pair of bypasses for interchangeably communicating with each of the exhaust pipes from the two banks. A changeover valve is inserted at the junction point of the bypass and is ins... | 01/24/1995 |
| 5368815 | Process and apparatus for sanitizing articles An apparatus and process for supplying ozonated rinse water in a closed loop recirculating system to a rinsing apparatus for articles is described. The apparatus provides a pressure differential bypass line for providing a constant recirculating flow of o... | 11/29/1994 |
| 5352417 | Apparatus for deodorization of cork A method for deodorization of cork accomplished by applying steam volatilization to remove substances originating offensive odor in the cork is disclosed. The method has a first step of putting the cork into a container, a second step of supplying steam g... | 10/04/1994 |
| 5288462 | Sterilization apparatus and method A sterilization apparatus has a chamber within a housing in which the materials to be sterilized are placed and the chamber is supplied with liquid under pressure. A pressure sensitive, rapid acting implosion cartridge is in communication with the chamber... | 02/22/1994 |
| 5221441 | Method for operating a catalytic distillation process A method and apparatus for conducting a catalytic distillation process is provided which allows for maintaining a liquid level in selected portions of the catalyst bed. Three particular processes disclosed are the production of methyl tertiary butyl ether... | 06/22/1993 |
| 5217695 | Volumetric chemical reaction system This invention provides a multipurpose volumetric chemical reaction system which operates at constant pressure and volume, and has electronic automation means for calculating kinetic parameters and a concentration-time plot from the system data output. Th... | 06/08/1993 |
| 5186897 | Multianalyte test vehicle The vehicle comprises a sample receiving reservoir (15), a plurality of test stations each comprising an FCFD or other capillary fill sensor cell (3), and passage (22) for providing fluid communication between the reservoir and a conduit with which end po... | 02/16/1993 |
| 5182086 | Oil vapor extraction system A method for removing hydrocarbons from a stream of compressed air for use in a compressed air supply and delivery system of the type wherein a supply of compressed air is provided by a lubricated or non-lubricated air compressor includes the passing of t... | 01/26/1993 |
| 5145642 | Load compensated water fill for a table top sterilizer In an unplumbed sterilizer, a measured quantity of liquid is introduced into a partially evacuated chamber in a dump period. The liquid quantity is automatically controlled by closing a valve in the additional conduit upon the occurrence of either (a) the... | 09/08/1992 |
| 5143697 | Device for extracting particulate materials of a fluidized bed from the fluidization enclosure The device has an opening provided through a side wall of the fluidization enclosure and a tube extends outside a enclosure and substantially perpendicular thereto. A duct is connected substantially perpendicularly to the tube and extends downwards. A pis... | 09/01/1992 |
| 5143701 | Method and an apparatus for the treatment of exhaust gas from IC engines For the treatment of exhaust gases, more particularly the catalytic treatment of exhaust gases from IC engines, and more especially the exhaust gases of an automobile, the exhaust gases are passed through a preconverter associated with a main converter an... | 09/01/1992 |
| 5141733 | High pressure-low pressure steam system for extended Claus sulfur recovery plant A high pressure to low pressure transition in the steam production within sulfur condensers feeding cold bed adsorption reactors in an extended Claus process sulfur recovery plant is prevented from affecting recovery by maintaining a sufficiently cold rea... | 08/25/1992 |
| 5132084 | Apparatus and methods for dispensing water to a sterilizing chamber of an autoclave There is disclosed an autoclave system incorporating a sterilization chamber and a reservoir. The reservoir is coupled to the sterilization chamber by means of a selectively operated valve. A microcontroller in conjunction with timing means computes a tim... | 07/21/1992 |
| 5112575 | Polynucleotide synthesizer A polynucleotide synthesizer comprises a supply mechanism for supplying a) liquid reactants for synthesizing peptides or polynucleotides, b) liquid reagents that assist in the synthesis, and c) a wash liquid; a reactor column; a connecting device for flui... | 05/12/1992 |
| 5098657 | Apparatus for measuring impurity concentrations in a liquid An apparatus for measuring nonvolatile residue concentrations in liquid is disclosed. A plurality of fixed and adjustable flow restrictive elements are utilized and arranged in-line from a fluid supply source to provide a constant, pressure controlled flo... | 03/24/1992 |
| 5066460 | Corrosion inhibition of polymethylpentene The corrosion tendencies of polymers of 4-methyl-1-pentene, when combined with tris-(3,5-ditert-butyl-4-hydroxybenzyl)isocyanurate and bis-(2,4-ditert-butyl)pentaerythritol diphosphite are reduced. Optionally, metal stearates can be added to further reduc... | 11/19/1991 |
| 5022165 | Sterilization tunnel Apparatus for sterilizing objects, including an enclosed chamber having an inlet and an outlet. Also included are walls defining and separately enclosing a preheat zone, a sterilization zone and cooling zone respectively between the inlet and the outlet. ... | 06/11/1991 |
| 5015460 | Condenser-reactor switching units for extended Claus process A reactor unit for use in extended Claus process plants comprising three or more reactor units, each alternating between operation under high temperature Claus and cold bed adsorption conditions, comprises a sulfur condenser upstream of an associated down... | 05/14/1991 |
| 4999165 | Pressure vessel with improved gasket valve The disclosed pressurized vessel has a door seal which is pressurized by a steam supply. A diaphragm actuated solenoid valve is connected between the steam supply and the door seal. The diaphragm solenoid valve precludes the door seal from depressurizing ... | 03/12/1991 |
