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Class 73/863.24 - Cleaning


Subclass of Class 73 - Measuring and testing
Definition: Subject matter having means to remove particulate matter
No. of patents: 72
Last issue date: 11/13/2007


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NumberTitleIssue Date
7293473Method and apparatus for sampling biological particles in an air flow
A method and apparatus for sampling potential biohazard particles in an air flow tests for biological particles in the air flow; collects a sample of particulate matter from a specific portion of the air flow in response to an indication in the step of sensing of th...
11/13/2007
7213474Sampling apparatus
An apparatus for use in sampling material on-line in a process system, comprising a sample collector (1) for receiving a sample of material, an elongate shaft (10) defining a passageway (14) carrying a measurement probe (11) for taking me...
05/08/2007
7208124Microarraying process and apparatus
A high throughput microarraying or colony picking robot with an automatic mechanism for exchanging pin heads and an automated washing and drying apparatus. The robot allows a dirty pin head to be deposited on the automated washing and drying apparatus for cleaning w...
04/24/2007
7208091Assembly for withdrawing and filtering partial volumes of process fluid
A method for withdrawing and filtering a partial volume of a particle-containing process fluid enclosed in a container, a combination of a container enclosing a process fluid and an assembly for continuously withdrawing and filtering a partial volume of a process fl...
04/24/2007
7198902Apparatus and method for separating viral particles from cells
A method for analyzing a sample to detect cells infected by Human Papilloma Virus (HPV) is provided. The method includes passing a medium containing the sample across a filter. The filter has a pore size that is greater than a dimension of a HPV particle, but smalle...
04/03/2007
7134318Method of analyzing entrained liquid in a vapor containing fluid
A system for the retrieval and initial conditioning of sample gas for “on line” analyzers or filling of gas sample cylinders. The preferred embodiment of the present invention contemplates a system configured to obtain a representative gas phase sample from a pr...
11/14/2006
7067057Fluid conveyed material collection system
The present invention is for processing fluids, especially waste streams from nuclear power plants, and other fluid media that may be carrying valuable or useful substances, in order to collect the substances. The system uses sequential filtering and multiple passes...
06/27/2006
7043958Gas analyzer automated purge/zero process
An apparatus and method for purging and zeroing an analyzer. At times, for good analysis of a gas sample or taking a live reading, the analyzer needs to be zero out and/or purge of contaminants. The analyzer can take a live reading, purge and/or zero in any order. T...
05/16/2006
7004041System for retrieving a gas phase sample from a gas stream containing entrained liquid, and sample conditioner assembly therefore
A system for the retrieval and initial conditioning of sample gas for “on line” analyzers or filling of gas sample cylinders. The preferred embodiment of the present invention contemplates a system configured to obtain a representative gas phase sample from a pr...
02/28/2006
7000781Filtering device
The invention relates to a filtering device for taking a filtrate sample from liquid matter containing solid particles. The filtering device comprises two filter parts and at least one filtering slot between the filter parts. The filter parts are adapted to move in ...
02/21/2006
7001505Slurry monitoring system
A slurry monitoring system is provided. A filter encompasses a filter chamber containing a purge piston. During a monitor operation, the purge piston is retracted, and slurry enters the filter chamber through the filter, then passes into an outlet pipe, where a char...
02/21/2006
6920802Adsorption trap for the detection of surface-active agents in gas streams
A method and apparatus are provided for adsorbing surface-active compounds, such as corrosion inhibitors and water, from pressurized gas streams utilizing existing gas pipeline sampling valves. The apparatus includes an adsorption trap assembly containing an adsorpt...
07/26/2005
6755802Whole blood sampling device
A portable hand-held blood sampling device having a self-filling capability includes a blood separation filter. The filter has a plurality of pores sized to permit passage of selected blood constituents such as blood plasma through the device. The device has a separ...
06/29/2004
6733576Gas sampling separator
A gas sampling separator 29 for the separation of liquid or other contaminants from gas received from a pipeline may be easily inspected visually and cleaned. A cylindrical body 62 forming a separation chamber 64 is threaded onto a base 40
05/11/2004
6675664Back flushable sample probe
A back flushable sample probe includes a hollow fitting securable to a fluid supply source and a strainer assembly disposed within the fitting. The strainer assembly includes a movable first member and a second member secured within the fitting. The first...
01/13/2004
6662636Method of reducing fouling in filters for industrial water system analytical devices
The invention is in a method of analyzing the water of an industrial water system wherein an analytical device is used to measure some parameter capable of being measured in the water of said industrial water system, the improvement involving using a wate...
12/16/2003
6634244Methods for collecting fluid samples having select concentrations of particles
Instruments and processes according to the invention provide for the preparation of a fluid sample that has a substantially known concentration of a select particulate matter. In one aspect, the invention is understood as laboratory instruments for sample...
10/21/2003
6589483Liquid dispenser
A liquid dispenser characterized by a dispensing head which is movable upward and downward as a whole and comprises a plurality of plungers supported by a plunger plate, drive means for moving the plunger plate upward and downward, a plurality of cylinder...
07/08/2003
6550348In-line filter probe for process analysis
An in-line filter probe for process analysis. The probe, which has a U-shaped porous tube mounted on a support and sealed at the tube's midsection, is placed in a process stream to provide filtered samples of the stream....
04/22/2003
6541272Pulse introduction membrane extraction apparatus and method for separating and analyzing at least one component in a fluid contaminated with the at least one component
An apparatus and method for separating and analyzing a component of a fluid sample that is considered to be a contaminant, and particularly, that is or may be an organic material. The invention is predicated on the introduction of the sample fluid in a pu...
04/01/2003
6499362In-line filter probe for process analysis
An in-line filter probe for process analysis. The probe, which has a U-shaped porous tube mounted on a support and sealed at the tube's midsection, is placed in a process stream to provide filtered samples of the stream....
12/31/2002
6463816Device for collecting filtrate samples from a pulp suspension
The invention relates to a device for collecting filtrate samples from a pulp suspension. It comprises a piston rod (3) which, when actuated by a cylinder (2), can reciprocate inside a jacket (5) and which is provided with a filter (4) arranged in an exte...
10/15/2002
6458267Sample fluid filtering device
A filter device is described for obtaining a filtered sample of fluid for measuring purposes from a container or tube conduit. The device has a closed fluid circuit including a first filter element 4, a pump conduit having a pump 27 therein, and a second ...
10/01/2002
6379621Apparatus for analyzing water and wastewater
The invention relates to an apparatus for analyzing water and wastewater, including a housing which is immersible in the water or wastewater to be analyzed, an analyzer for determining at least one water or wastewater parameter, a membrane separating a sa...
04/30/2002
6376255Apparatus and method for analyzing the amount of chemical substrates in a liquid
The present invention relates to an apparatus and a method for analyzing the amount of chemical substrates in a liquid, more particularly in a clarified solution or a process water. The apparatus comprises a separate filtration housing in which a filter m...
04/23/2002
6360590Method and apparatus for investigating surfaces
A process for comparing the dust retention properties of various treated and untreated hard surfaces, within a dust retaining enclosure, that includes subjecting the surfaces to be compared, previously coated with a standardized layer of dust, to a standa...
03/26/2002
6306350Water sampling method and apparatus with analyte integration
A method and apparatus of sampling a body of water in which discrete samples are successively withdrawn from a body of water and analyte is extracted from the respective samples while integrating the analyte which is extracted from successive samples. A f...
10/23/2001
6148679Sample flow control member
The invention relates to a sample flow control member to be used particularly in a continuously operated analysis of liquid or slurry-like materials, said control member being provided with members for selectively conducting the sample flow to an analyser...
11/21/2000
6033911Automated assaying device
An automated assaying system is disclosed having a multiplicity of lumens oriented and controllable in clusters. The lumens are portrayed in a matrix, wherein each row of the matrix consists of one such cluster that is individually controllable for aspira...
03/07/2000
6022510Gas-sampling means for a flue-gas analysis apparatus
A gas-sampling tube for a flue-gas analysis apparatus having therein a particle filter and a measured gas line downstream of it. A heating jacket comprising an electric heater is located in the gas-sampling tube and extends axially co-extensive with the m...
02/08/2000
5964984Method and apparatus for working up a sample of liquid
A method and apparatus act on a sample liquid of a pulp and paper industry process water, such as a pulp slurry or white water. The sample is acted upon in an apparatus including sample flow chamber, a filtrate flow chamber, and a filter connecting the sa...
10/12/1999
5942700Systems and methods for collecting fluid samples having select concentrations of particles
Instruments and processes according to the invention provide for the preparation of a fluid sample that has a substantially known concentration of a select particulate matter. In one aspect, the invention is understood as laboratory instruments for sample...
08/24/1999
5876671Sonication standard laboratory module
A standard laboratory module for automatically producing a solution of cominants from a soil sample. A sonication tip agitates a solution containing the soil sample in a beaker while a stepper motor rotates the sample. An aspirator tube, connected to a v...
03/02/1999
5777241Method and apparatus for sampling and analysis of furnace off-gases
A furnace system includes a furnace and a furnace monitoring and control system having a gas analyzer for analyzing the composition of furnace off-gases, and a sampling tube or probe used to obtain a high temperature off-gas sample for delivery to the gas...
07/07/1998
5769539Backflush system for a filter membrane located upstream of a hydrocarbon analyzer apparatus
A hydrocarbon analyzer wherein the filter is backflushed by the liquid sample. The motive force for the backflush is provided by energy stored from the pumping of the liquid sample in a compressible fluid in contact with the sample downstream of the filte...
06/23/1998
5641894Process and apparatus for filtrate measurement
A sampling cylinder 3 is attached to a process piping 2 through which a slurry flows. A front piston 9 and a rear piston 10 which slide within the sampling cylinder 3 are driven via a driving rod 12 by a fluid pressure cylinder 11. These two pistons 9,10 ...
06/24/1997
5531129Apparatus for extracting wear particles from used oil filters
An apparatus extracts standardized samples of wear particles from a series of used oil filters by rotating each oil filter while spraying a solvent fluid into the opening at the base of the oil filter. The apparatus includes a housing to hold the filter h...
07/02/1996
5490429Apparatus for sampling gas from a hot dust-filled gas stream
In a method and an apparatus for sampling gas for analysis purposes from a hot dust-filled gas stream, e.g. smoke gases from industrial plants, the sampling is carried out continuously using a gas sampling probe without the use of a coolant, said probe co...
02/13/1996
5441638Apparatus for separating particles suspended in a flowing liquid
The disclosure relates to a method and an apparatus for separating particles suspended in a flowing liquid for cleaning a current component. The apparatus has a body that can be submerged below the surface of the flowing liquid. The body is hollow and has...
08/15/1995
5369033Supercritical fluid contamination monitor
A system for monitoring changes in the amount of contaminants present in a flowing stream of supercritical fluid. A sample stream is removed from a flowing stream of supercritical fluid and subjected to reduced pressure. The supercritical fluid turns into...
11/29/1994
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