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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:

Class Number Class Name Patents
422/57 Having coated reagent 1,480
422/56 Having reagent in absorbent or bibulous substrate 2,074
422/58 In holder or container having special form 2,482

Patents under this class:

Patent Number Title Of Patent Date Issued
7820446 System for tracking a spatial position of an object via a tracking system Oct. 26, 2010
7820107 Optical reagents format for small sample volumes Oct. 26, 2010
7820105 Analyte meter protectors and methods Oct. 26, 2010
7811811 Self-contained assay device for rapid detection of biohazardous agents Oct. 12, 2010
7811520 Integrated parafoil threat agent sensor system and methods Oct. 12, 2010
7807104 Inspection tester for explosives Oct. 5, 2010
7807103 Allergen detection apparatus Oct. 5, 2010
7799278 Microfluidic system for chemical analysis Sep. 21, 2010
7799275 Diagnostic test device Sep. 21, 2010
7791984 Method for forming an apparatus for indicating the passage of time and the formed apparatus Sep. 7, 2010
7790471 Metering technique for lateral flow assay devices Sep. 7, 2010
7790106 Sensor cartridge, sensor feeder, and measuring instrument Sep. 7, 2010
7785535 Sample multiprocessing Aug. 31, 2010
7785533 Chip, device using the chip, and method of using the same Aug. 31, 2010
7781225 Surface layer affinity-chromatography Aug. 24, 2010
7781172 Method for extending the dynamic detection range of assay devices Aug. 24, 2010
7780913 Paint for detection of corrosion and warning of chemical and radiological attack Aug. 24, 2010
7780912 Paint for detection of radiological or chemical agents Aug. 24, 2010
7776266 Consumer food testing device Aug. 17, 2010
7771985 Mesoscale detection structures Aug. 10, 2010
7771653 Explosives tester with heater Aug. 10, 2010
7771575 Analytical tool Aug. 10, 2010
7767435 Method and device for biochemical detection and analysis of subcellular compartments from a single cell Aug. 3, 2010
7767143 Colorimetric sensors Aug. 3, 2010
7758813 Apparatus and method for sampling of airborne asbestos and other particles released from a surface Jul. 20, 2010
7754498 Self-encoding sensor with microspheres Jul. 13, 2010
7754155 Devices and methods for isolating target cells Jul. 13, 2010
7754145 Fluorphore embedded/incorporating/bridged periodic mesoporous organosilicas as recognition photo-decontamination catalysts Jul. 13, 2010
7749768 Non-invasive method of determining oxygen concentration in a sealed package Jul. 6, 2010
7749763 Kits and methods for evaluating hair Jul. 6, 2010
7749748 Biosensor using microdisk laser Jul. 6, 2010
7744815 Device for determining chlorine dioxide and method Jun. 29, 2010
7736890 Assay device and method Jun. 15, 2010
7736588 Apparatus and method for detecting undesired residues in a sample Jun. 15, 2010
7733491 Sensor device and testing method utilizing localized plasmon resonance Jun. 8, 2010
7732145 Method and devices for rapid diagnosis of foot-and-mouth disease Jun. 8, 2010
7731900 Body fluid testing device Jun. 8, 2010
7731897 Formats for optical analysis and methods of manufacturing the same Jun. 8, 2010
7727775 Optical microlabels: shapes and reflectors Jun. 1, 2010
7727466 Disintegratable films for diagnostic devices Jun. 1, 2010
7727206 Device for monitoring a patient for a urinary tract infection Jun. 1, 2010
7724319 Detecting interactions at biomimetic interfaces with liquid crystals May. 25, 2010
7723124 Method for the rapid diagnosis of targets in human body fluids May. 25, 2010
7722813 Urea concentration identification device for urea solution May. 25, 2010
7718126 Fecal occult test packaging May. 18, 2010
7713749 Substrate for fabricating protein microarrays May. 11, 2010
7713748 Method of reducing the sensitivity of assay devices May. 11, 2010
7713475 Lateral flow immunoassay device and method May. 11, 2010
7713474 Liquid permeable composition in dry reagent devices May. 11, 2010
7712348 Device and method for the selective determination of the quantity of oil mist May. 11, 2010

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