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| Number | Title | Issue Date |
| 7805983 | Method for measuring the number of fine particles in ultrapure water and method for manufacturing a filtration device for measuring the number of fine particles in ultrapure water A method for measuring the number of fine particles in ultrapure water includes subjecting the ultrapure water to internal pressure filtration through a hollow fiber membrane having a skin layer capable of trapping the fine particles in the ultrapure water at least ... | 10/05/2010 |
| 7354768 | Volume-differential assay using hydrophilic gel Systems and methods for measuring the moisture and sediment content of a petroleum sample. In one embodiment, a sample to be tested is collected in a field bottle. The sample from the field bottle is then transferred from the field bottle, and into and through a mea... | 04/08/2008 |
| 7353689 | Liquid separator for a gas analyzer and method for separating a liquid component from gas Liquid separator for a gas analyzer and method for separating a liquid component from gas. The liquid separator comprises an input passage having an input end and an output end, an output passage having an input end and an output end, a wall formed of a gas permeabl... | 04/08/2008 |
| 7350409 | Magnetic separation in fluids Methods and apparatus are disclosed for recovering magnetically attractable wellbore casing fragments from drilling fluid used in hydrocarbon-producing formations. ... | 04/01/2008 |
| 7351312 | Apparatus for obtaining sample and process therefor A vessel is provided for collecting a process stream and fractionating the process stream into a liquid and gas phase in the vessel. Cooling may be provided by an internal bath and/or an external bath. The liquid phase retained in the vessel and the gas phase collec... | 04/01/2008 |
| 7337653 | Liquid chromatography specimen filling method A sample injection apparatus and sample injection method capable of sufficiently reducing carry-over, having simple cleaning means for a short cleaning time period, a small influence of vibration of the cleaning means, and a small error in the amount of injected sam... | 03/04/2008 |
| 7325443 | Sampling device and method for measuring fluid flow and solute mass transport A device and a method for measuring fluid flow and solute mass transport in flow systems includes a casing (1) having inlet (3) and outlet (9) openings and a fluid passageway therebetween, the casing containing at least one fluid permeable insol... | 02/05/2008 |
| 7318336 | Methods for controlling one or more parameters of a flow cytometer type measurement system Various methods for controlling one or more parameters of a flow cytometer type measurement system are provided. One embodiment includes monitoring parameter(s) of the measurement system during measurements of sample microspheres. The method also includes altering t... | 01/15/2008 |
| 7273749 | Container for carrying out and monitoring biological processes A thermal cycling method and device is disclosed. The device comprises a sample chamber whose temperature can be rapidly and accurately modulated over a range of temperatures needed to carry out a number of biological procedures, such as the DNA polymerase chain rea... | 09/25/2007 |
| 7250138 | Method and system for detecting and recording submicron sized particles A system and method for detecting the presence of submicron sized particles in a sample taken from the environment includes a collecting a sample from the environment and purifying and concentrating the submicron particles in a sample based on the size of the partic... | 07/31/2007 |
| 7219541 | Method and apparatus for downhole fluid analysis for reservoir fluid characterization A formation fluid sample is exposed to a rigidly-supported semi-permeable membrane such as silicone rubber to permit diffusion of gases and vapors from the formation fluid into a vacuum chamber, while at the same time, blocking the passage of any liquids. The membra... | 05/22/2007 |
| 7104269 | Residential dishwasher A dishwasher that fits within the conventional U.S. residential dishwasher counter space and uses the conventional U.S. residential power supply not only achieves within a convenient cycle time the same standard of sanitation as set forth for commercial hot water sa... | 09/12/2006 |
| 7087436 | Membrane countercurrent exchanger and membrane inlet mass spectrometer for the analysis of gas partial pressure in liquid samples A method and apparatus for the analysis of blood or other liquids by mass spectrometry to determine the partial pressures of gases and other volatile substances dissolved in the blood or other liquid in a manner independent of the solubility of the gases in the bloo... | 08/08/2006 |
| 7062982 | Method and apparatus for concentrated airborne particle collection An apparatus for collecting biological aerosols from an air sample is provided comprising an air intake assembly adapted to draw the air sample into the apparatus, a separation section coupled to the intake assembly and adapted to separate aerosol particles from the... | 06/20/2006 |
| 7052599 | Method and apparatus for reuse of abrasive fluid used in the manufacture of semiconductors An apparatus and method recycles the abrasive fluid or slurry effluent used in the polishing step in the manufacture of semiconductors. Agglomerations of abrasive grains built up in the slurry effluent are crushed using a mill, ultrasonic oscillation, or pressurized... | 05/30/2006 |
| 7040902 | Electrical contact An electrical contact formed from a plurality of interlaced and annealed wires by weaving or braiding the wires together to form a mesh, annealing the mesh, and cutting the annealed mesh so as to form a plurality of individual electrical contacts. A method for formi... | 05/09/2006 |
| 7029289 | Interconnection device and system A connector system including first housing having a first header, the first header including one or more conductive pads that are in electrical communication with a conductor. A second housing that is mateable with the first housing and includes a second header posi... | 04/18/2006 |
| 7014479 | Electrical contact and connector and method of manufacture An electrical contact (2) and method of making the electrical contact (2), and a connector (11) and method making the connector (11), wherein the electrical contact (2) is an electrically conducting, nonwoven mesh (60), with... | 03/21/2006 |
| 7010964 | Pressurized microfluidic devices with optical detection regions Microfluidic analytical devices and systems have at least one porous element disposed downstream of one or more optical detection regions in a pressure-based separation system. A porous element elevates the backpressure within an optical detection region, thus suppr... | 03/14/2006 |
| 7010991 | Surface particle detector A surface particle detector that includes a scanner slidable over a surface, a particle counter for counting particles passed therethrough, and a conduit connected between the scanner and the particle counter. The particle counter includes a pump for creating an air... | 03/14/2006 |
| 6991724 | Water, sediment/fuel separator for fuel checker The filter assembly for a fuel checker includes a filter housing, a removable screen assembly, a first protective cap and a second protective cap. The filter housing includes a fuel receiving end portion and a fuel exiting end portion. The fuel receiving end portion... | 01/31/2006 |
| 6929715 | Method and a device for measuring concentrations A method and a device for measuring concentrations especially in a pulp suspension, from which a sample has been taken. The sample is collected in a measuring vessel, in which a piston is guided upwards and downwards in order to press the sample from each direction ... | 08/16/2005 |
| 6928861 | Method for a reliability assessment, failure prediction and operating condition determination of electric equipment The present invention is directed to a method for analyzing the maintenance status of liquid-filled electric equipment. An accurate indication of the maintenance state of an electric device and its insulating liquid is obtained using an analysis method comprising a ... | 08/16/2005 |
| 6925857 | Method of determining an average length of reinforcing fiber in a sample of reinforcing fibers A method of determining an average length of reinforcing fiber in a sample of reinforcing fibers is disclosed. A sample of reinforcing fibers is weighed to obtain a total sample weight. The sample of reinforcing fibers is placed in a fiber separating mechanism and s... | 08/09/2005 |
| 6823721 | Method and system for mass flow balance accounting A system which receives as inputs various measurements of solids and liquids in a clarification system and, from these measurements, determines the various constituents and their fractional makeup within the system. The measurements may be made manually or mechanica... | 11/30/2004 |
| 6816791 | Assay methods for hydratable cementitious compositions A novel methodology for rapid, cost-efficient discovery, identification, or improvement of additives and/or admixtures for hydratable cementitious compositions. Multiple formulations comprising hydratable cementitious compositions are deposited into a plurality of r... | 11/09/2004 |
| 6691557 | Analysis method for liquid-filled electric equipment The present invention is directed to a method for analyzing the maintenance status of liquid-filled electric equipment. An accurate indication of the maintenance state of an electric device and its insulating liquid is obtained using an analysis method co... | 02/17/2004 |
| 6598466 | Method for additive adhesion force particle analysis and apparatus thereof A method including: sonicating a liquid suspension of first particles; and analyzing the liquid phase for second particles. An apparatus including: a sonicator adapted to sonicate a liquid suspension of first particles; and a first analyzer adapted to ana... | 07/29/2003 |
| 6571611 | High temperature diesel fuel test apparatus and method Tortuous passageways are provided in a substrate component that is retained within a holding chamber. Fuels and fuel mixtures to be comparatively tested are introduced into the holding chamber and into the tortuous passageways of the substrate component. ... | 06/03/2003 |
| 6511606 | Simple, economical and rapid method for determining the contaminate particle size in fluids being filtered A simple, economical acid rapid method for determining the contaminate particle size appearing in a fluid being filtered includes a filter housing that eliminates fluid bypass with a multi-layered laminated filter disposed therein.... | 01/28/2003 |
| 6508104 | Method for additive adhesion force particle analysis and apparatus thereof A method including: sonicating a liquid suspension of first particles; and analyzing the liquid phase for second particles. An apparatus including: a sonicator adapted to sonicate a liquid suspension of first particles; and a first analyzer adapted to ana... | 01/21/2003 |
| 6499337 | Monitoring of particulate matter in water supply An in-line monitoring apparatus for monitoring particulate matter in a liquid stream includes an inlet and outlet for ingress and discharge of a liquid stream. An in-line particulate matter-sampling unit is arranged for accumulation of particulate matter ... | 12/31/2002 |
| 6491872 | Method and system for detecting and recording submicron sized particles A system and method for detecting the presence of submicron sized particles in a sample taken from the environment includes a collecting a sample from the environment and purifying and concentrating the submicron particles in a sample based on the size of... | 12/10/2002 |
| 6485686 | Method and apparatus for counting submicron sized particles A system for detecting the presence of different size groups of submicron size particles in a fluid sample collected from the environment includes apparatus for collecting the environment. The collected a liquid sample containing submicron size particles ... | 11/26/2002 |
| 6453738 | Method and apparatus for analyzing casing wear and retrieval of metallic fragments A method and apparatus for retrieving magnetic casing fragments from a well using a shrouded magnet are disclosed. Retrieving casing fragments allows the determination of weight loss from the casing to assist in analyzing the integrity and the condition o... | 09/24/2002 |
| 6405582 | Biosensor and deposit sensor for monitoring biofilm and other deposits A method and apparatus for determining the deposition of organic and inorganic contaminants, such as biofilm, on a coupon is disclosed. The method and apparatus include a coupon suspended from a weight sensor within a reservoir tank. The reservoir tank in... | 06/18/2002 |
| 6269684 | Dynamic fluid loss cell apparatus and method thereof A dynamic fluid loss cell apparatus and method for measuring filter-cake build-up on a simulated core of the well-bore and for measuring the effectiveness of a spacer fluid to remove filter-cake. There is also provided, a dynamic fluid loss cell apparatus... | 08/07/2001 |
| 6147502 | Method and apparatus for measuring butterfat and protein content using microwave absorption techniques A self calibrating method and apparatus for measuring butterfat and protein content based on measuring the microwave absorption of a sample of milk at several microwave frequencies. A microwave energy source injects microwave energy into the resonant cavi... | 11/14/2000 |
| 5974868 | Downstream monitor for CMP brush cleaners The present invention is a contamination measuring device and method of using the same according to a Chemical Mechanical Polishing (CMP) brush cleaner equipment/technology. A collection device is mounted in a brush cleaning device for collecting effluent... | 11/02/1999 |
| 5918272 | Magnetic and ultrasonic discriminator for particle size distribution analyzer A flow-through system for determining the particle size distribution of iron oxide particulate matter in a reactor water sample. The system includes a magnetic filter having a chamber through which a stream of reactor water. The chamber is surrounded by a... | 06/29/1999 |
