 |
|
 |
| |
 |
|
Class Information
Number: 73/863.23
Name: Measuring and testing > Sampler, sample handling, etc. > With constituent separation > Sieve, filter, or semipermeable membrane
Description: Subject matter including a barrier having interstices, pores or micropores through which at least part of the source or sample flows but which trap some components of the flow, usually particulate.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7617742 |
Flow through in situ reactors with suction lysimeter sampling capability and methods of using |
Nov. 17, 2009 |
| 7600439 |
Apparatus and method for storage of atmospheric sample for eventual chemical analysis |
Oct. 13, 2009 |
| 7597013 |
Device and method for detecting the presence of test gas |
Oct. 6, 2009 |
| 7597015 |
Particle size sampler |
Oct. 6, 2009 |
| 7597733 |
Liquid absorbing filter assembly and system |
Oct. 6, 2009 |
| 7582146 |
Uniform aerosol deposit sampling device |
Sep. 1, 2009 |
| 7578206 |
Sample deposition method and system |
Aug. 25, 2009 |
| 7574930 |
Trace chemical sensing |
Aug. 18, 2009 |
| 7569093 |
Filtering particulate materials in continuous emission monitoring systems |
Aug. 4, 2009 |
| 7559980 |
Absorbent transfer for passive sampling badge |
Jul. 14, 2009 |
| 7555964 |
Phase separation system and housing therefore |
Jul. 7, 2009 |
| 7523680 |
Gas membrane sampling device and gas sensor device for geological investigations |
Apr. 28, 2009 |
| 7520186 |
Apparatus and method for measuring soil gases |
Apr. 21, 2009 |
| 7513171 |
Autonomous rapid facility chemical agent monitor via smith-purcell terahertz spectrometry |
Apr. 7, 2009 |
| 7472615 |
Portable insertable probe assembly |
Jan. 6, 2009 |
| 7458284 |
Three-stage dust sampler |
Dec. 2, 2008 |
| 7458248 |
Method and apparatus to detect genuine or hoax contaminants |
Dec. 2, 2008 |
| 7435339 |
Filter device integrating sampled volume control |
Oct. 14, 2008 |
| 7430929 |
Pore water sampler for long-term monitoring of ground water |
Oct. 7, 2008 |
| 7422627 |
Gas transmitter with selective gas permeable surfaces |
Sep. 9, 2008 |
| 7413666 |
Method for selectively sampling particulates in boiler/steam cycle corrosion transport |
Aug. 19, 2008 |
| 7385191 |
High pressure membrane introduction for a mass spectrometer |
Jun. 10, 2008 |
| 7377188 |
System for the detection of trace vapors and particles in air |
May. 27, 2008 |
| 7363829 |
Drill cutting sampler |
Apr. 29, 2008 |
| 7350427 |
Sorbent collector material based on polyorganosiloxane |
Apr. 1, 2008 |
| 7341669 |
Filter methods to capture a desired amount of material from a sample suspension for monolayer deposition, analysis or other uses |
Mar. 11, 2008 |
| 7337683 |
Insitu inertial particulate separation system |
Mar. 4, 2008 |
| 7325443 |
Sampling device and method for measuring fluid flow and solute mass transport |
Feb. 5, 2008 |
| 7312071 |
Effective monitoring system for anthrax smallpox, or other pathogens |
Dec. 25, 2007 |
| 7299710 |
Hand-held trace vapor/particle sampling system |
Nov. 27, 2007 |
| 7299711 |
Analyte separation utilizing temperature programmed desorption of a preconcentrator mesh |
Nov. 27, 2007 |
| 7300801 |
Welded sample preparation articles and methods |
Nov. 27, 2007 |
| 7270019 |
Collecting line assembly for monitoring and locating leaks |
Sep. 18, 2007 |
| 7267017 |
Method to test indoor air quality |
Sep. 11, 2007 |
| 7225689 |
Sample testing device with funnel collector |
Jun. 5, 2007 |
| 7222546 |
Method and apparatus for sediment characterization |
May. 29, 2007 |
| 7210363 |
Scan testable filter housing assembly for exhaust applications |
May. 1, 2007 |
| 7208091 |
Assembly for withdrawing and filtering partial volumes of process fluid |
Apr. 24, 2007 |
| 7197949 |
Meso sniffer: a device and method for active gas sampling using alternating flow |
Apr. 3, 2007 |
| 7159474 |
Modular sampling device |
Jan. 9, 2007 |
| 7155967 |
Formation testing apparatus and method |
Jan. 2, 2007 |
| 7122065 |
Adapter for low volume air sampler |
Oct. 17, 2006 |
| 7111503 |
Sheet-form membrane sample probe, method and apparatus for fluid concentration analysis |
Sep. 26, 2006 |
| 7077017 |
Container with a frangible seal |
Jul. 18, 2006 |
| 7074313 |
Processing chamber |
Jul. 11, 2006 |
| 7067057 |
Fluid conveyed material collection system |
Jun. 27, 2006 |
| 7062982 |
Method and apparatus for concentrated airborne particle collection |
Jun. 20, 2006 |
| 7059206 |
Aquatic passive sampling device and methods for its use |
Jun. 13, 2006 |
| 7055401 |
Closed method and system for the sampling and testing of fluid |
Jun. 6, 2006 |
| 7051604 |
Heat pipe sample fluid probe |
May. 30, 2006 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
