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| Number | Title | Issue Date |
| 8186202 | Pressure testable tubing connection An apparatus for sealing tubing to a device, the apparatus including: a first seal configured to seal the tubing to the device, the first seal having a device side in contact with the device and an interior side opposite the device side; a test sleeve configured to ... | 05/29/2012 |
| 8171775 | Material permeance measurement system and method A system for measuring the permeance of a material. The permeability of the material may also be derived. The system provides a liquid or high concentration fluid bath on one side of a material test sample, and a gas flow across the opposing side of the material tes... | 05/08/2012 |
| 8151628 | Hydrostatic test tool and method of use Hydrostatic testing tool and methods for testing a test article, such as a hose or container having an external threaded aperture. The preferred testing tool includes a housing, a piston and a collet body having a plurality of collet segments collectively forming a ... | 04/10/2012 |
| 8087285 | Apparatus and method for a seal immersion test with aerated fluid A test apparatus for testing fluid seals within an aerated fluid includes a container and a fluid located within the container. A plurality of seal coupons are submerged within the fluid in the container. An air supply is connected to the container to aerate the flu... | 01/03/2012 |
| 8069704 | Sealing structure of plasma processing apparatus, sealing method, and plasma processing apparatus including the sealing structure A gate valve corresponding to the sealing structure seals an opening of a plasma generation chamber and includes a valve body, a valve stem, and ring-shaped first and second sealing members that seal a gap between the valve body and the plasma generation chamber. Th... | 12/06/2011 |
| 8051703 | Methods for using a fluid stream to test a honeycomb body Methods are provided for testing a honeycomb body comprised of a core portion comprising honeycomb cell walls and a circumferential skin portion overlying at least some outer honeycomb cell walls. The circumferential skin portion includes a cement mixture layer. The... | 11/08/2011 |
| 8028563 | Pressure interference testing for estimating hydraulic isolation A cased hole pressure test tool is used to determine the integrity of cement between two points in a borehole in terms of permeability or transmissibility. The test tool drills at least one probe hole through the casing up to the cement. In one embodiment, two probe... | 10/04/2011 |
| 7942034 | Testing system A system for testing a mechanical input device of a wireless telecommunication device is provided, where the system comprises a pressure air regulator comprising: a receive unit comprising an inlet aperture and a first contact surface with at least one exit aperture... | 05/17/2011 |
| 7934415 | Hydrostatic testing tool and methods of use A hydrostatic testing tool for testing containers, hoses or the like under high pressures. The testing tool having a coupling that threadably engages a threaded aperture of a test container without having to be rotated into the threaded aperture. The hydrostatic tes... | 05/03/2011 |
| 7926325 | Differentiating between abnormal sample viscosities and pipette clogging during aspiration A method for differentiating between a liquid sample having clogs therein and a liquid sample having an abnormally elevated viscosity during a liquid aspiration process by relating the ratio between the maximum negative pressure during aspiration and an equilibrium ... | 04/19/2011 |
| 7926324 | Apparatus for inspecting ventilation of filter cigarettes An apparatus for inspecting ventilation of filter cigarettes FT has a plate-like packing 18a. The packing 18a covers the opening of a movable cylinder 10 and is relatively pressed with the end face of a filter cigarette FT. The pac... | 04/19/2011 |
| 7895884 | Monitoring contents of fluid containers Apparatus for remote inspection of fluid containers, e.g., portable tanks or fluid pipelines, includes an electronic circuit in communication between each container (or at various locations along a pipeline) and a remote central station. The electronic circuit is ad... | 03/01/2011 |
| 7895883 | Method and system for identifying a defect or failure of a compressed air load circuit in an electronic compressed air installation for vehicles To detect a defect or failure of a compressed air load circuit in a compressed air system for vehicles, pressure is measured in compressed air load circuits and evaluated in an electronic control unit, which briefly shuts off the compressed air load circuits, measur... | 03/01/2011 |
| 7818995 | Device for measuring back pressure in open-ended chemical reactor tubes A device and method for measuring the back pressure in chemical reactor tubes includes many automated features. Inflatable tube seals may be automatically inflated. The device may measure several tubes at once. It may transmit data electronically to a remote compute... | 10/26/2010 |
| 7788966 | Device and method to diagnose vacuum systems A device to diagnose a vacuum system comprises a pipe with a first opening that can be closed by a hingable cover, and a second opening that is designed to establish a pressure-proof connection to the vacuum system. The diagnostic device may be operated in a volume-... | 09/07/2010 |
| RE41591 | System and method for detecting hazardous materials using agitation A system and method for detecting contaminants in or on objects, having a movably mounted container for holding objects and having a plurality of perforations and an entrance opening through which objects may be placed into the container. A housing encloses the cont... | 08/31/2010 |
| 7779674 | Method for testing bottles or containers having flexible walls, as well as a plant implementing it The present invention has as its object a method for testing bottles or containers having flexible walls, made to be inserted in lines for filling bottles made from plastic material or aluminum containers or containers made from polyethylene-coated paperboard, conta... | 08/24/2010 |
| 7743645 | Method and device for obtaining a determined flow resistance of a flow channel by means of a measuring bridge The invention relates to a method and device for obtaining a determined flow resistance of a flow channel, especially an opening in a component. The method involves the following steps: a liquid flows through the flow channel; a characteristic depending on the flow ... | 06/29/2010 |
| 7726178 | System and method of non-invasive control of apparatus tightness System for the non invasive control of the tightness condition of apparatus, in particular of the constancy of said condition of m homogenous series, each one of n apparatus, which in the absence of said pressure constancy would have not acceptable, not uniform char... | 06/01/2010 |
| 7726179 | Method and device for monitoring a fluid flow delivered by means of a pump The invention relates to a method and a device for monitoring a fluid flow delivered by means of a pump. In the method the pressure distribution of the fluid is continuously or quasi-continuously measured as actual values in partial areas of the pump stroke and comp... | 06/01/2010 |
| 7694548 | Method and apparatus for testing an object The preferred form of the present invention is directed to systems and methods used to test objects including but not limited to filters, respirator cartridges and filter media. The object to be tested is subjected to an aerosol challenge while the penetration perce... | 04/13/2010 |
| 7690242 | Lighter device with flow restrictor and methods of manufacturing and testing same A lighter device having a flow restrictor and associated methods for manufacturing and testing such lighter device and flow restrictor are described. The flow restrictor may be formed of a porous member to achieve a substantially fixed or varying flame height. The f... | 04/06/2010 |
| 7673496 | Device for measuring back pressure in chemical reactor tubes A device and method for measuring the back pressure in chemical reactor tubes includes many automated features. Inflatable tube seals may be automatically inflated. The device may measure several tubes at once. It may transmit data electronically to a remote compute... | 03/09/2010 |
| 7594424 | Automated timer and setpoint selection for pneumatic test equipment A fill time and stabilize and measurement time are determined for a pneumatic testing procedure. The fill time is computed by identifying, in the filling of a sample unit, a time when a substantial portion of variations of a measured variable (due to stabilization) ... | 09/29/2009 |
| 7565828 | Systems and methods for testing packaging Disclosed are apparatus and methods for testing packaging and/or materials (e.g., package integrity and/or seal strength testing) wherein one or more coatings are applied to the one or more surfaces of the packaging and/or materials prior to testing. In one aspect o... | 07/28/2009 |
| 7555933 | Method and software for detecting vacuum concentrator ends-of-runs A method for determining ends of runs in a vacuum concentrator includes operating the vacuum concentrator at a pressure set point, periodically inducing a pressure increase in the vacuum concentrator, and determining an end-of-run state from a pressure vs. time rela... | 07/07/2009 |
| 7549320 | Measuring cement properties A cement sample testing apparatus including a first pressure zone; a second pressure zone; and a pressure control system. The pressure control system can be in fluid communication with the first pressure zone and the second pressure zone, operable to raise the first... | 06/23/2009 |
| 7543479 | Machine for pressure testing container An inspection machine for pressure testing a glass bottle filled with water. A normal test pressurizes the bottle until the pressure reaches an acceptable level. If the bottle bursts or leaks the pressure will not reach the acceptable level. A control monitors the p... | 06/09/2009 |
| 7523644 | Method and apparatus for verifying the integrity of a joint seal A system for verifying the integrity of a seal comprises an elastomeric seal on either side of a metal sealing gasket. A pressure test penetration is provided into an axial channel at a position between the metal sealing gasket and the lower of the elastomeric seals... | 04/28/2009 |
| 7520161 | Tightness test for disk bond connections and test structure for carrying out said method A process and a test structure for testing the hermeticity of bond connections are described. Points are provided on the wafer pair to be connected, at which hermetically closed cavities are additionally formed upon the connection of the wafers, e.g., as they are cu... | 04/21/2009 |
| 7469573 | Methods and apparatus for determining the position of an obstruction in a passage A method of determining the position of a blockage (192, 392) in a passage (15, 313) having a first end and a second end. The method comprises blowing a sealing device (200) into the passage to form a seal adjacent the blockage (192, 392)... | 12/30/2008 |
| 7437911 | Method and system for operating an air gauge at programmable or constant standoff Provided are a method and system for measuring a distance to an object. The system includes an air gauge configured to sense a distance to a surface of the object and a sensor configured to measure at least one from the group including (i) a relative position of the... | 10/21/2008 |
| 7437910 | Pressure differentiator fitted with a temperature equalizing material An object of the invention is to provide a pressure differentiator capable of improving measurement accuracy. The pressure differentiator of the invention includes an isothermal pressure vessel 1, a narrow tube 3 for connecting an object to be m... | 10/21/2008 |
| 7431569 | Pump health monitoring A method of monitoring the health of a positive displacement hydraulic pump comprising the steps of: establishing a flow path having a known flow number between a high pressure outlet line of the pump (and a low pressure line of th... | 10/07/2008 |
| 7390465 | System and method for contamination detection within sealed containers A system and a method to detect biological and chemical agents in a sealed contained at, for example, a mail-processing center. The system includes filtration and vacuum subsystems cooperatively working to draw an air sample from the interior of the particulate cont... | 06/24/2008 |
| 7389188 | Fluid-structure coupled numerical simulation method and program for fluid-structure coupled numerical simulation storage device A fluid-structure coupled numerical simulation method is provided. The method uses a finite volume method employing an orthogonal mesh and a computer and memory setting a solid area based on a solid rate inside a mesh and at a tangent position to each mesh, includin... | 06/17/2008 |
| 7370512 | Gas analyzer apparatus A gas analyzer apparatus including a support tube having a distal portion arranged in a flue and a gas sensor supported on the support tube. An air supply tube supplies cooling air into the support tube. A basal portion of the gas sensor is cooled by the cooling air... | 05/13/2008 |
| 7363821 | Systems and methods for fatigue testing stents Systems and methods for fatigue testing one or more stents based on measured electrical resistance levels of each stent. Pairs of lead lines from an ohmmeter are connected to a respective stent. The respective stent is mounted onto an expander having an interior tap... | 04/29/2008 |
| 7360492 | Railway car with overload detector The invention provides an overload detector with a simplified system configuration to be applied to a railway car having a connecting bogie. A connecting bogie 52 (two axle bogie) having front and rear wheels 52C and 52D are disposed to extend b... | 04/22/2008 |
| 7361509 | Dynamic metered fluid volume determination method and related apparatus A method for dynamically determining the volume of a liquid dispensed by a metering system, the metering system including a metering pump, a pump motor, a sensor, and a conduit interconnecting the pump and a metering probe. The method includes the steps of aspiratin... | 04/22/2008 |
