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| Application No. | Application Title | Issue Date |
| 20120105236 | METHOD AND APPARATUS FOR APPLIANCE GAS LEAK DETECTION A method and apparatus for determining whether an appliance is leaking gas is provided. Pressure measurements are taken after closing off the flow of gas to the appliance and within the appliance so as to isolate the gas within the distribution system of the appliance. ... | 05/03/2012 |
| 20120105220 | METHOD AND APPARATUS FOR MONITORING A VEHICULAR PROPULSION SYSTEM BATTERY A method and apparatus for determining coolant leakage in a vehicular propulsion system battery. An AC isolation resistance test is used to determine whether an isolation fault has occurred within the battery, but can also determine the capacitance of the circuit or sys... | 05/03/2012 |
| 20120083729 | Peritoneal dialysis machine A method for operating a dialysis cassette including a flexible membrane that covers a pump chamber includes applying a vacuum about a piston head and sucking the flexible membrane of the dialysis cassette onto the piston head; mechanically retracting the piston head al... | 04/05/2012 |
| 20120047999 | VANE PUMP APPARATUS AND LEAK CHECK SYSTEM HAVING THE SAME An ECU determines whether condensed water is present at a rotor and vanes based on an electric current, which flows in an electric motor that drives the rotor. When the condensed water is determined to be present, the ECU drives the motor for a predetermined time period... | 03/01/2012 |
| 20120042714 | HERMETICITY SENSOR AND RELATED METHOD A hermeticity sensor for a device includes a beam positioned within a substantially hermetically sealed cavity. The beam includes a stress that changes in response to being exposed to ambient from outside the cavity. A related method is also provided.... | 02/23/2012 |
| 20120037796 | METHOD AND APPARATUS FOR LEAK TESTING CONTAINERS Closed containers which are filled with a consumer product are tested on leakiness by means of mass spectrometry (10) in that an impact (AN(P)) by the consumer product (P) upon the surrounding atmosphere (A(P)) of the container to be leak tested is monitored by t... | 02/16/2012 |
| 20120039668 | METHOD OF DETECTING GAS LEAKAGE IN GEOLOGICAL GAS RESERVOIR BY USING PRESSURE MONITORING AND GEOLOGICAL GAS STORAGE SYSTEM A geological gas storage system and a method of detecting gas leakage from the geological gas storage system by using pressure monitoring, the geological gas storage system including: a formation structure including a reservoir formed of a permeable rock material in dee... | 02/16/2012 |
| 20120000272 | Device for Controlling Leaks From an Endoscope The invention relates to a device for controlling leaks from an endoscope, connected to the operating segment at the proximal end of the endoscope. The invention is characterised in that it comprises: a connection valve (2) for connecting the device to the endosc... | 01/05/2012 |
| 20110302995 | Wide range fluid leak detector and flow meter A flowmeter is provided with a solid-state sensor technology for increasing the accuracy and efficiency of fluid flow monitoring and leak detection in the irrigation industry and other cost-sensitive flow-critical applications. The device can monitor and detect usage of... | 12/15/2011 |
| 20110287327 | DETECTION OF SMALL ANODE LEAKS IN FUEL CELL SYSTEMS A system and method for detecting small hydrogen leaks in an anode of a fuel cell system. The method includes determining that a shut-down sequence has begun, and if so, deplete the cathode side of a fuel cell stack of oxygen. The method then increases the pressure of t... | 11/24/2011 |
| 20110277541 | REFRIGERANT LEAK DETECTION SYSTEM A refrigerant leak detection system is provided for a motor vehicle, in which the system includes a heating, ventilating, and air conditioning (HVAC) module having a refrigerant sensor assembly adapted to be fixed within the drain hole of the sump. The refrigerant senso... | 11/17/2011 |
| 20110271743 | Leak Sensor For Flowing Electrolyte Batteries A leak detection system for a flowing electrolyte battery comprising a containment member associated with at least one of a stack of a flowing electrolyte battery and an electrolyte reservoir of a flowing electrolyte battery and a sensing member for sensing a fluid leak... | 11/10/2011 |
| 20110247397 | INFUSION DEVICE PROVIDED WITH A WATER-TIGHT COVER The invention relates to an infusion device for therapeutic use comprising a water-tight cover in the form of a housing, a housing part or a receptacle for holding said infusion device and a control system which is used for controlling the cover water tightness and comp... | 10/13/2011 |
| 20110240132 | TESTING SYSTEM AND METHOD FOR AC SYSTEM IN A VEHICLE A pressure and prevacuum testing system for an AC system in a vehicle includes an air pressure source for pressurizing a cooling circuit of the AC system to a predetermined high pressure threshold and a vacuum source for prevacuuming the cooling circuit either to a pred... | 10/06/2011 |
| 20110234426 | Apparatus and method for pressurising an aircraft cabin structure and measuring the amount of leakage of the aircraft cabin structure An apparatus (10) for pressurising an aircraft cabin structure (12) and measuring the amount of leakage of the aircraft cabin structure (12) comprises an air supply line (14) which at a first end is connectable to a pressurized air source and... | 09/29/2011 |
| 20110232371 | PRESSURE TESTER FOR PRINTHEAD INTEGRATED CIRCUIT CARRIER A pressure-based tester for testing an integrity of a printhead integrated circuit (IC) carrier includes a housing assembly; a cradle assembly coupled to the housing assembly and adapted to receive the printhead IC carrier, the cradle assembly further defining spouts ad... | 09/29/2011 |
| 20110226043 | REFERENCE LEAKAGE DEVICE FOR LEAK CALIBRATION Reference leakage device (1) for use in leakage detection of gas, comprises a membrane (5) adapted to be interposed between two environments having respective pressures pu and pa, where (I). The membrane has an orifice (6) adapted to determine a con... | 09/22/2011 |
| 20110185790 | Leakage Detection Method and System Using Camera Image Provided is a leakage detection system and method using an image that may detect a leakage of high temperature high pressure steam using an image. The leakage detection method may include: obtaining an image of a target where a leakage of high temperature high pressure ... | 08/04/2011 |
| 20110187056 | DUCT ASSESSMENT AND LEAK SEALING METHOD FOR DUCTS TRANSPORTING GAS The present invention relates to a method of assessing the condition of a duct along which a gas is flowing. The method comprises producing one or more sensor carrying elements, wherein the elements are formed to have selected parameters; introducing the sensor carrying... | 08/04/2011 |
| 20110174059 | LEAKAGE DIAGNOSIS APPARATUS, LEAKAGE DIAGNOSIS METHOD, AND REFRIGERATION APPARATUS A leakage diagnosis apparatus for diagnosing presence/absence of refrigerant leakage in a refrigerant circuit performing a refrigeration cycle, wherein refrigerant leakage diagnosis using the amount of refrigerant exergy loss in a circuit component of the refrigerant ci... | 07/21/2011 |
| 20110174058 | INTEGRATION MANUFACTURING PROCESS FOR MEMS DEVICE A method for manufacturing an MEMS device is provided. The method includes steps of a) providing a first substrate having a concavity located thereon, b) providing a second substrate having a connecting area and an actuating area respectively located thereon, c) forming... | 07/21/2011 |
| 20110138884 | Portable multi-function system for testing protective devices An apparatus for testing a protective mask. The apparatus includes a testing unit for testing a protective mask. The testing unit includes a headform upon which a protective mask to be tested is mounted. The testing unit is configured to take a sample of the challenge f... | 06/16/2011 |
| 20110138883 | INJECTOR FLOW MEASUREMENT FOR FUEL CELL APPLICATIONS A method for determining the amount of fuel flow from a high pressure gas tank to the anode side of a fuel cell stack through pulsed injector. The anode sub-system pressure is measured just before the injector pulse and just after injector pulse and a difference between... | 06/16/2011 |
| 20110132075 | TOOL FOR ASSISTING LEAK TESTING OF AN ENCLOSED VOLUME AND METHOD INCORPORATING THE TOOL A tool for assisting the leak testing of an enclosed volume is disclosed. The tool may comprise an outer seal defining inside its perimeter an attachment face of the tool. A vacuum port defined in the attachment face is configured to be fluidly coupled to a vacuum sourc... | 06/09/2011 |
| 20110126613 | WATERPROOF ELECTRONIC DEVICE WITH TEST STRUCTURE AND WATER-LEAK TEST FIXTURE AND METHOD THEREOF The present invention is directed to a waterproof electronic device with a test structure, including a test opening, a sealing structure and a fixation structure. The test opening is arranged on a housing of the waterproof electronic device, and is used for injecting a ... | 06/02/2011 |
| 20110112814 | REFRIGERANT LEAK DETECTION SYSTEM AND METHOD A refrigerant leak detection system is herein disclosed. The system can detect the existence of a slow leak based on the refrigerant level and the system data. They system uses data models, either stored or dynamically created, to calculate an expected refrigerant level... | 05/12/2011 |
| 20110100095 | Passive Glovebox Glove Leak Detector A passive leak detector for a glovebox glove is disclosed. Pressure drop inside the glove is measured overnight to determine if there is a leak in the glovebox glove. Additionally, the glovebox is fire retardant and shields against radiation.... | 05/05/2011 |
| 20110081562 | OPTICAL LEAK DETECTION SENSOR A leak detection sensor for detecting a leakage of an electrolyte solution in a flow battery system is provided. The sensor includes a sensor housing, the sensor housing being at least partially surrounded by a fluid and having mounted therein at least one light source.... | 04/07/2011 |
| 20110067487 | Method for testing the operability of a tank shutoff valve of a fuel tank system A method for testing the operability of a tank shutoff valve of a fuel tank system which is controlled by valves includes performing defined triggering of the tank shutoff valve and simultaneous introduction of an overpressure or partial vacuum into the fuel tank system... | 03/24/2011 |
| 20110067486 | Leak Detection Apparatus An apparatus and method for liquid leak detection includes a first and second flexible members each constructed of an electrically conductive material that is in a normally open circuit state. Also included is a liquid wicking permeable surrounding sidewall that is posi... | 03/24/2011 |
| 20110056274 | METHOD AND DEVICE FOR TESTING A CONTAINER FOR LEAKS The invention pertains to a leak-testing method for a test container comprising:
| 03/10/2011 |
| 20110048110 | AQUEOUS CHEMICAL LEAK DETECTION CABLE Disclosed are aqueous chemical leak detection cables that provide protection to sensor wires by using a conductive polymer coating that is resistant to corrosion by aqueous chemicals. In addition, non-conductive, liquid pervious layers may surround one or more of the se... | 03/03/2011 |
| 20110048109 | Method And Apparatus For Inspecting Ceramic Wall Flow Filters Methods are disclosed for inspecting a cylindrical porous ceramic body by positioning a diffuser near, and spaced apart from, the first end of a ceramic body; flowing a tracer flow toward the diffuser, wherein a first portion of the tracer flow passes through the diffus... | 03/03/2011 |
| 20110040502 | METHOD AND DEVICES FOR MONITORING FLOW CIRCUITS A device is provided for monitoring the integrity of a flow circuit in fluid communication with a receptacle. The flow circuit comprises a pumping device for transferring fluid through the flow circuit. The device operates according to a monitoring method in which a pre... | 02/17/2011 |
| 20110000283 | Method for Manufacturing and Testing Micro Fluidic Chips Aspects of the invention include methods and devices for manufacturing and testing microfluidic chips having at least one capillary for through-flow of a fluid.... | 01/06/2011 |
| 20110000282 | PASSIVE GLOVEBOX GLOVE LEAK DETECTOR A passive leak detector for a glovebox glove is disclosed. Pressure drop inside the glove is measured overnight to determine if there is a leak in the glovebox glove.... | 01/06/2011 |
| 20100331768 | METHOD FOR CHECKING AND/OR MONITORING THE TIGHTNESS OF A PLURALITY OF PNEUMATICALLY OR HYDRAULICALLY ACTUATED ACTUATORS, AND MACHINE, ESPECIALLY MEDICAL TREATMENT MACHINE The present invention relates to a method for checking and/or monitoring the leak tightness of a plurality of pneumatically or hydraulically actuated actuators of a machine, in particular a plurality of valve actuators of a medical treatment machine, wherein pressure is... | 12/30/2010 |
| 20100300129 | SYSTEMS AND METHODS FOR DETECTING REFRIGERANT LEAKS IN COOLING SYSTEMS A method of detecting loss of refrigerant within a cooling system of the type having a condenser, a refrigerant receiver in fluid communication with the condenser, a sensor configured to detect a level of refrigerant within the receiver, an evaporator in fluid communica... | 12/02/2010 |
| 20100288017 | AQUEOUS CHEMICAL LEAK DETECTION CABLE Disclosed are aqueous chemical leak detection cables that provide protection to sensor wires by using a conductive polymer coating that is resistant to corrosion by aqueous chemicals. In addition, non-conductive, liquid pervious layers may surround one or more of the se... | 11/18/2010 |
| 20100281952 | DIFFERENTIAL COMPARATIVE PRESSURE MONITORING SYSTEM A differential comparative pressure monitoring system (10) for monitoring the structural integrity of a structure or component (30) comprises a pressure source (12); a first fluidic circuit (14), and a reference fluidic circuit (16) wh... | 11/11/2010 |
