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| Number | Title | Issue Date |
| 8176769 | Fluid transportation by a plurality of particulates Provided are apparatuses for measuring wetting, absorption, and/or other mechanisms of fluid transportation by a sample of particulates. The apparatus may include a container holding a fluid, a means for measuring fluid in the container, and a conduit having a fluid... | 05/15/2012 |
| 8136387 | Determination of pore structure characteristics of filtration cartridges as a function of cartridge length A method for determining pore structure characteristics of a filtration cartridge includes the steps of placing a porometry test location isolating device in sealing contact with the filtration cartridge at a desired test location, increasing the porometer test gas ... | 03/20/2012 |
| 8136388 | Determination of pore structure characteristics of filtration cartridges as a function of cartridge length A method for determining pore structure characteristics of a filtration cartridge includes the steps of placing a porometry test location isolating device in sealing contact with the filtration cartridge at a desired test location, increasing the porometer test gas ... | 03/20/2012 |
| 8136386 | Determination of pore structure characteristics of filtration cartridges as a function of cartridge length A method for determining pore structure characteristics of a filtration cartridge includes the steps of placing a porometry test location isolating device in sealing contact with the filtration cartridge at a desired test location, increasing the porometer test gas ... | 03/20/2012 |
| 8117899 | Method and device for measuring the gas permeability through films and walls of containers A device for measuring permeability of a gas sample through a thin film, or a wall, arranged as a membrane between a first chamber and a second chamber of a measurement cell is provided that includes, a pressure regulator, upstream from each inlet to the measurement... | 02/21/2012 |
| 8113036 | Air velocity apparatus and system An apparatus and a system is provided that may be utilized to determine air flow through an air filter and/or a plurality of air filters. The present invention utilizes a demonstration apparatus to illustrate the differences in air flow and air restriction between a... | 02/14/2012 |
| 8079249 | Gas permeability measurement apparatus Gas permeability measurement apparatus is an apparatus for measuring all kinds of continuous-porous materials, including wood, paper, wood-composites, wood plastic composites (WPC), minerals, polymer-based materials, minerals, ceramics, textiles and fabrics. The app... | 12/20/2011 |
| 8074491 | Monitoring gas leakage rates from hermetically sealed devices A method for monitoring a gas leakage rate from a hermetically sealed device, such as a hermetically sealed data storage device with an interior helium atmosphere. In some embodiments, a diffusion rate of inert gas from a hermetically sealed first device is monitore... | 12/13/2011 |
| 8042382 | Device for measuring physical characteristics of a porous sample Device for measuring physical characteristics of a porous sample by performing successive drainage and imbibition phases in the presence of a first electricity-conducting fluid and of a second fluid of lower density than the first fluid, by means of a centrifuge who... | 10/25/2011 |
| 8028564 | Oil migration system An apparatus and a system is provided that may be utilized to determine oil migration and oil displacement from a pre-oiled air filter. The present invention may also be utilized to determine if oil is displaced from the air filter onto a portion of the apparatus fo... | 10/04/2011 |
| 8024960 | Method and device for evaluating flow parameters and electric parameters of porous medium A method and device is disclosed for evaluating simultaneously, and with the same equipment, the electric resistivity and flow parameters of a porous medium, from experimental measurements obtained from at least one multi-flow type displacement experiment which has ... | 09/27/2011 |
| 8024961 | Simultaneous normal and radial liquid permeameter A permeameter including a fluid control chamber, a permeability specimen area, and a first outlet from the specimen area measuring fluid as a function of a normal permeability of at least one specimen in the specimen area and a second outlet from the specimen area r... | 09/27/2011 |
| 8015857 | Method for measuring the gas permeability of containers and sealing members in general A device that carries out a method for measuring permeability to a gas sample through a container (2) comprises an inlet duct for the gaseous carrier, in particular, nitrogen, both as inlet in the container (2) and as inlet in the chamber (1) an... | 09/13/2011 |
| 8006543 | Device for measuring the permeation of a hollow body such as a container Device for measuring the permeation of a hollow body provided with an opening such as a neck in particular, this device comprising a chamber in which the follow body is placed, on a support; this hollow body, when placed on its support, together with the chamber def... | 08/30/2011 |
| 7937987 | Filter monitor-flow meter combination sensor A method for monitoring a filter installed in a fluid system. The steps include providing a reference region in the fluid system, the region including a chamber having a known volume and releasing a fluid from the chamber configured to flow through the reference reg... | 05/10/2011 |
| 7930926 | Determination of permeability from damping Permeability of a fluid through a saturated material is determined by measuring the dynamic response of that saturated material to shaking vibrations and/or shear wave propagation, and then mapping the dynamic response (preferably, viscoelastic stiffness and damping... | 04/26/2011 |
| 7918125 | Methods and devices to test diffusion rates of ocular drug delivery systems Methods of detecting the discharge and uptake rates of ophthalmic lenses containing pharmaceutical agents are disclosed herein. ... | 04/05/2011 |
| 7891234 | Multi-sensing device and method of operating A multi-sensing device is provided which includes a first sensor for sensing a temperature of the fluid flowing through the filter element, a second sensor for sensing a pressure generated by the fluid flowing through the filter element; and an indicator for indicat... | 02/22/2011 |
| 7882726 | Compression vacuapore for determination of pore structure characteristics of hydrophobic materials under compressive stress A method for determining pore structure characteristics of hydrophobic porous materials includes placing a test sample of material in the sample chamber of a porosimetry apparatus, creating a partial vacuum and evacuating the sample chamber to remove air, creating a... | 02/08/2011 |
| 7882727 | Method and apparatus for v-bank filter bed scanning Embodiments of the invention generally related to a method and apparatus for scanning a v-bank filter. In one embodiment, an apparatus for scanning a v-bank filter includes a hollow body having first and second ends. An outlet, formed at the second end of the body, ... | 02/08/2011 |
| 7818996 | High throughput screening for rapid development of membranes and membrane processes The present invention provides a testing system allowing the simultaneous comparative evaluation of the behavior in a membrane process of two or more selected membranes (4). In a preferred embodiment said system allows the control of the hydrodynamics of the ... | 10/26/2010 |
| 7805982 | Portable core flood apparatus for conducting on-site permeability measurements A portable apparatus and method provide on-site permeability measurements of a core sample extracted from a subterranean reservoir. The portable apparatus is easily and conveniently transported to well locations for use on-site, thereby allowing the core sample to b... | 10/05/2010 |
| 7793535 | Devices and methods to simulate an ocular environment Methods and devices used to simulate the use of an ophthalmic lens contained in an ocular environment are disclosed herein. ... | 09/14/2010 |
| 7770434 | System and method for in-process integrity test of a filter The invention relates to a method for in-process integrity test of a filter. The method may comprise the steps of: coupling a gas source to an input side of a filter without removing the filter from a dispenser system, the gas source supplying a gas and controlling ... | 08/10/2010 |
| 7765852 | Air flow nozzle for air flow meter The aspects of the present invention provide for an apparatus for conveying air into foam so that the flow of air within the foam may be monitored to determine one or more characteristics of the foam. The apparatus includes a nozzle and a member having a substantial... | 08/03/2010 |
| 7752888 | System for gas permeation testing A system for measuring gas permeation through container walls is disclosed, wherein a pressure fluid is introduced into a container to be tested. Once the pressure fluid is introduced into the container, the pressure fluid is drawn out of the container and tested to... | 07/13/2010 |
| 7752889 | Apparatus and method for determining density of insulation An apparatus for determining the density of insulation in a cavity of a structure that senses a force of the insulation against the sensor. The force is used to determine the density of the insulation, which, in turn, is used to determine the thermal resistance or R... | 07/13/2010 |
| 7743646 | Axial flow scan testable filter system A filter system having in-situ scan capabilities is provided. In one embodiment of the invention, the system includes a downstream probe which may be rotated to scan the field of a filter installed in the system. The probe may be utilized for leak detection, velocit... | 06/29/2010 |
| 7698928 | Method for testing separation modules New methods and apparatus are described for assessing the integrity of a separation module or filtration system. A principle embodiment concerns use of a transient pulse of challenge species to probe a spiral wound module. The resulting time-dependent concentration ... | 04/20/2010 |
| 7694550 | Apparatus for measuring permeability rate of anode of solid oxide fuel cell An apparatus is disclosed for measuring the permeability of an anode of a solid oxide fuel cell. The apparatus includes a specimen container, an air reservoir and a recorder. The specimen container includes a can and a cover. The can includes a tunnel defined therei... | 04/13/2010 |
| 7690244 | Method for measuring for permeability to gases with rapid conditioning and installation for carrying out this method The invention relates to a method for measuring the permeability to gases of the wall of a hollow body (6) made of polymeric material, characterized: in that it comprises a first conditioning step during which a flushing gas flushes said hollow body (6... | 04/06/2010 |
| 7685865 | Method and apparatus for measuring the rate of permeation A method and an apparatus are provided for measuring the rate of permeation of a gas or vapour through a test sample with the gas container detachable from the sensor. The gas container consists of an upstream and a downstream chamber in communication with a test sa... | 03/30/2010 |
| 7677084 | Filtration tester A filtration tester has a scale, a collector disposed on the scale, a pump having an outlet aligned with an opening of the collector, and a force sensor connected to the pump. ... | 03/16/2010 |
| 7637146 | Oil migration system An apparatus and a system is provided that may be utilized to determine oil migration and oil displacement from a pre-oiled air filter. The present invention may also be utilized to determine if oil is displaced from the air filter onto a portion of the apparatus fo... | 12/29/2009 |
| 7634938 | Adjustable flow nozzle for air flow meter The aspects of the present invention provides for an apparatus for conveying air into foam so that the flow of air within the foam may be monitored to determine one or more characteristics of the foam. The apparatus includes a nozzle and an adjustable member having ... | 12/22/2009 |
| 7624621 | Method and device for measurement of permeation The invention relates to a method for measuring gases permeation through a material (M), comprising the steps of: Forming a mixture of isotopic gases in a mixing enclosure (14), each isotopic gas corresponding to a target ga... | 12/01/2009 |
| 7624622 | Method of measuring the transmission rate of a permeant through a container and determining shelf life of a packaged product within the container A method of measuring the transmission rate of a permeant through a container and determining shelf life of product within the container based upon loss of the permeant through the container. The method includes the steps of (i) placing a sealed container containing... | 12/01/2009 |
| 7614279 | Determination of pore structure characteristics of filtration cartridges as a function of cartridge length A method for determining pore structure characteristics of a filtration cartridge includes the steps of placing a porometry test location isolating device in sealing contact with the filtration cartridge at a desired test location, increasing the porometer test gas ... | 11/10/2009 |
| 7594425 | Methods and systems for integrity testing of porous materials The invention relates to integrity testing of porous material using a plurality of gases and to an apparatus and system for performing the same. ... | 09/29/2009 |
| 7587927 | Rapid integrity testing of porous materials The invention relates to a rapid recirculation based integrity testing of porous material and to an apparatus and system for performing the same. ... | 09/15/2009 |
