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Class Information
Number: 422/55
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing > Analyzer, structured indicator, or manipulative laboratory device > Structured visual or optical indicator, per se
Description: Apparatus comprising (a) a structured indicator; i.e., an indicator which is more than a composition, per se, and has structure, or (b) liquid crystals, per se, which give a visual or optical indication of the presence or amount of material to be tested in the sample.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618810 |
Metering strip and method for lateral flow assay devices |
Nov. 17, 2009 |
| 7618587 |
Analyzers and methods of analyzing blood |
Nov. 17, 2009 |
| 7615377 |
Fluorescein-based metal sensors |
Nov. 10, 2009 |
| 7615189 |
Analyte accumulation device |
Nov. 10, 2009 |
| 7611903 |
System for trapping and storing gases for subsequent chemical reduction to solids |
Nov. 3, 2009 |
| 7611672 |
Measurement cell |
Nov. 3, 2009 |
| 7608463 |
Enhanced waveguide and method |
Oct. 27, 2009 |
| 7604981 |
Excitable target marker detection |
Oct. 20, 2009 |
| 7605004 |
Test strip for a lateral flow assay for a sample containing whole cells |
Oct. 20, 2009 |
| 7601299 |
System and method for coding information on a biosensor test strip |
Oct. 13, 2009 |
| 7597849 |
Evidence collection holder for sample automation |
Oct. 6, 2009 |
| 7592181 |
Occult blood testing device |
Sep. 22, 2009 |
| 7592184 |
Ammonia detection and measurement device |
Sep. 22, 2009 |
| 7578972 |
Fluid analyser systems |
Aug. 25, 2009 |
| 7578971 |
Rapid-response reversible dry surface CO.sub.2 detector |
Aug. 25, 2009 |
| 7575717 |
Assay device for evaluating entrainable substances |
Aug. 18, 2009 |
| 7569395 |
Method and apparatus for measuring oxygen concentration |
Aug. 4, 2009 |
| 7569183 |
Fecal assay method and analyzer |
Aug. 4, 2009 |
| 7565829 |
System, methods, and compositions for detecting and inhibiting leaks in steering systems |
Jul. 28, 2009 |
| 7565830 |
System, methods, and compositions for detecting and inhibiting leaks in engine oil systems |
Jul. 28, 2009 |
| 7560288 |
Diagnostic sanitary test strip |
Jul. 14, 2009 |
| 7556769 |
Fecal occult test packaging |
Jul. 7, 2009 |
| 7556774 |
Optochemical sensor and method of making the same |
Jul. 7, 2009 |
| 7553450 |
Irreversible humidity exposure dose indicator device |
Jun. 30, 2009 |
| 7553458 |
Alcohol sensor using the work function measurement principle |
Jun. 30, 2009 |
| 7549323 |
Diagnostic test strip for collecting and detecting an analyte in a fluid sample and method for using the same |
Jun. 23, 2009 |
| 7547552 |
Indication composition for surgical instrument cleaning evaluation |
Jun. 16, 2009 |
| 7547554 |
Method and device for the detection of very small quantities of particles |
Jun. 16, 2009 |
| 7544517 |
Stabilized reagent, apparatus and method for measuring cyanuric acid |
Jun. 9, 2009 |
| 7537733 |
System for automatically testing a fluid specimen |
May. 26, 2009 |
| 7534578 |
Self-referencing biodetection method and patterned bioassays |
May. 19, 2009 |
| 7534576 |
Method and a device for the evaluation of biopolymer fitness |
May. 19, 2009 |
| 7534393 |
Fertility computing system and method |
May. 19, 2009 |
| 7531366 |
Bead based assays using a liquid crystal reporter |
May. 12, 2009 |
| 7531111 |
Composition and probe for detection of hydrocarbon mixtures |
May. 12, 2009 |
| 7527765 |
Consumer food testing device |
May. 5, 2009 |
| 7527981 |
Bioweapon-detecting fibrous-network products and methods for making same |
May. 5, 2009 |
| 7524641 |
Method of separating cells from a sample |
Apr. 28, 2009 |
| 7517691 |
Device for and method of testing occult blood in feces |
Apr. 14, 2009 |
| 7517660 |
Optoelectronic sensor |
Apr. 14, 2009 |
| 7510682 |
Test element analysis system |
Mar. 31, 2009 |
| 7507373 |
Assay device for the testing of fluid samples |
Mar. 24, 2009 |
| 7507377 |
Device for automatic analysis of a liquid sample |
Mar. 24, 2009 |
| 7507550 |
Analytical sandwich test for determining NT-proBNP |
Mar. 24, 2009 |
| 7494770 |
Mesoscale polynucleotide amplification analysis |
Feb. 24, 2009 |
| 7491542 |
Test device for determining the concentration of LDL-cholesterol in a sample |
Feb. 17, 2009 |
| 7479253 |
Method of assembling a diagnostic test strip having a functional overlay |
Jan. 20, 2009 |
| 7476548 |
Dry reagent strip configuration, composition and method for multiple analyte determination |
Jan. 13, 2009 |
| 7470549 |
Measurement method using biosensor |
Dec. 30, 2008 |
| 7470404 |
Fluid sample collection and isolation cup |
Dec. 30, 2008 |
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