| Patents for G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light (181,396) |
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| 11/04/1980 | US4232336 Inspection of elongated material |
| 11/04/1980 | US4232225 Chemiluminescent method and apparatus for the detection of ozone |
| 11/04/1980 | US4232223 Gas analyzer |
| 11/04/1980 | US4231754 Chemiluminescent analytical device |
| 11/04/1980 | US4231750 Methods for performing chemical assays using fluorescence and photon counting |
| 11/04/1980 | US4231663 Device for calibrating the photometric linearity of optical instruments |
| 11/04/1980 | US4231661 Radial scanner |
| 11/04/1980 | US4231370 Disposable diaper type garment having wetness indicator |
| 11/04/1980 | CA1088772A1 Apparatus and process for rapidly characterizing and differentiating large cells |
| 10/29/1980 | EP0018288A1 Method and device for controlling the impact of a monochromatic light beam emitted by a laser source on a target |
| 10/28/1980 | US4231052 Apparatus for parallel-in to serial-out conversion |
| 10/28/1980 | US4230950 Electro-optic smoke detector |
| 10/28/1980 | US4230665 Apparatus for automatically generating and measuring gaseous measuring samples from a series of liquid samples |
| 10/28/1980 | US4230067 Liquid applying apparatus |
| 10/21/1980 | US4229653 Method and apparatus for monitoring particulate mass concentration of emissions from stationary sources |
| 10/21/1980 | US4229527 Reagents for determining triglyceride glycerol, cholesterol |
| 10/21/1980 | US4229218 Self-monitoring electroless plating solution |
| 10/21/1980 | US4229179 Spectrophotometric measurement in a chemical testing apparatus |
| 10/21/1980 | US4229108 Optical densitometer |
| 10/21/1980 | US4229107 Optical densitometer |
| 10/21/1980 | US4229105 Sensitive measuring cell for a differential refractometer of the interference type |
| 10/21/1980 | US4229104 Mixing cuvette |
| 10/21/1980 | CA1087995A1 Process and facility for the automatic control of mud extraction in a water treatment plant |
| 10/21/1980 | CA1087967A1 Visible dye penetrant system |
| 10/21/1980 | CA1087866A1 Liquid photometer with apertured mask for input radiation |
| 10/16/1980 | WO1980002198A1 Device for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometer |
| 10/15/1980 | EP0017551A1 Device for television inspection of the inner surface of a cylindrical vessel |
| 10/15/1980 | EP0017461A1 Apparatus for determining the thickness, moisture content or other parameter of a film or coating |
| 10/15/1980 | EP0017393A1 Apparatus for estimating slant visual range |
| 10/15/1980 | EP0017371A1 Apparatus for inspecting defects in a periodic pattern |
| 10/15/1980 | EP0017164A1 Method for determining catecholic compounds and their related compounds |
| 10/15/1980 | EP0017007A1 Measuring device for recording turbidity, especially of fluids |
| 10/14/1980 | US4228352 Apparatus for measuring the concentration of gases |
| 10/14/1980 | US4228192 Method and apparatus for the quantitative determination of beer ingredients |
| 10/14/1980 | US4227886 Using optical radiation |
| 10/14/1980 | US4227815 Magnetic stirrer for sample container of photometric analyzer |
| 10/14/1980 | US4227814 Optical density detector |
| 10/14/1980 | US4227811 Spectrophotometer |
| 10/14/1980 | US4227810 Cuvette and method of use |
| 10/14/1980 | US4227809 Method of detecting flaws on the surface of metal |
| 10/14/1980 | US4227806 Methods for non-destructively determining parameters of an optical fiber preform |
| 10/14/1980 | CA1087739A1 Method and device for regenerating a degenerated curve and device for analysing a sequence of fluid samples comprising said former device |
| 10/14/1980 | CA1087417A1 Automatic blood analysis apparatus and method |
| 10/07/1980 | US4227091 Optical monitoring apparatus |
| 10/07/1980 | US4227083 Apparatus for infrared laser spectroscopy of room temperature vulcanizable silicone compositions |
| 10/07/1980 | US4227079 Multipath fine positioning beam director |
| 10/07/1980 | US4226539 Cylindrical body appearance inspection apparatus |
| 10/07/1980 | US4226538 Device for detecting irregularities in a moving sheet material |
| 10/07/1980 | US4226534 Micropolarimeter |
| 10/07/1980 | US4226533 Optical particle detector |
| 10/07/1980 | US4226531 Disposable multi-cuvette rotor |
| 10/07/1980 | CA1087270A1 Foam monitor and method |
| 10/07/1980 | CA1087267A1 Apparatus and method for analysis of specimens and testing cuvettes for cleanliness |
| 10/07/1980 | CA1087076A1 Method for the quantitative analysis of a1-c and a1-h- bonds in hydrocarbons |
| 10/07/1980 | CA1086982A1 Catheter oximeter apparatus and method |
| 10/02/1980 | WO1980002073A1 Method and apparatus for estimating slant visibility in fog |
| 10/01/1980 | EP0016551A1 Apparatus for inspecting translucent articles for faults |
| 10/01/1980 | EP0016339A1 Device for establishing the reflection capacity of the surface of an object |
| 10/01/1980 | EP0016303A1 Photoacoustic rotational Raman spectroscopy |
| 10/01/1980 | EP0016166A1 Method for measuring the concentration of a sample by total reflection spectroscopy |
| 09/30/1980 | US4225860 Sensitivity controlled dual input fire detector |
| 09/30/1980 | US4225791 Optical smoke detector circuit |
| 09/30/1980 | US4225558 Radially-spaced recessed tray |
| 09/30/1980 | US4225485 Chemiluminescent naphthalene-1,2-dicarboxylic acid hydrazide-labeled polypeptides and proteins |
| 09/30/1980 | US4225245 Apparatus for measuring the optical transmissive power of the atmosphere |
| 09/30/1980 | US4225243 Gas measuring apparatus with standardization means, and method therefor |
| 09/30/1980 | US4225238 Tire checking device |
| 09/30/1980 | US4225235 Sample introduction system for flameless emission spectroscopy |
| 09/30/1980 | US4225234 Method for sampling in flameless atomic absorption spectrophotometry |
| 09/30/1980 | US4225232 Photometric cell |
| 09/30/1980 | US4225228 Surface coating for optical inspection |
| 09/30/1980 | CA1086524A2 Nephelometer having means semiautomatically cancelling components from scattering by particles smaller or larger than those of interest |
| 09/30/1980 | CA1086522A1 Comparison type colorimeter |
| 09/30/1980 | CA1086521A1 Process and apparatus for ascertainment of the valuation of gems |
| 09/23/1980 | US4224513 Apparatus for the on-line measurement of the opacity of a paper sheet |
| 09/23/1980 | US4224405 Method and apparatus for determining the rate of enzyme reaction |
| 09/23/1980 | US4224304 Irradiating antigen-carrier or antibody-carrier, measuring absorption as reaction proceeds; medical diagnosis |
| 09/23/1980 | US4223995 Calibration system for spectrophotometers |
| 09/23/1980 | CA1086093A1 Fluorometric system, method and test article |
| 09/18/1980 | WO1980001953A1 Device for measuring in a compressible medium the local density and the time variation thereof |
| 09/17/1980 | EP0015695A1 Support-ligand analog-fluorescer conjugate and serum assay method involving such conjugate |
| 09/17/1980 | EP0015391A1 Glow discharge lamp for qualitative and quantitative spectral analysis |
| 09/17/1980 | EP0015282A1 Method of generating nitrogen for flameless emission spectroscopy and a system using the method. |
| 09/16/1980 | US4223387 Device for examination of distances in a picture |
| 09/16/1980 | US4223346 Automatic defect detecting inspection apparatus |
| 09/16/1980 | US4222670 Liquid sample analyzer |
| 09/16/1980 | US4222666 Apparatus for measuring and correcting calibration characteristic of photoelectric aerosol analyzer |
| 09/16/1980 | US4222540 Tube sheet pan and tilt camera platform |
| 09/16/1980 | CA1085647A1 Apparatus for detecting the presence of a specific substance in a gas stream |
| 09/16/1980 | CA1085646A1 Method and apparatus for photoluminescent detection and measurement |
| 09/09/1980 | US4222064 Optical property measurement system and method |
| 09/09/1980 | US4221974 Lumber inspection and optimization system |
| 09/09/1980 | US4221962 Fiber-optic moisture sensor for composite structures |
| 09/09/1980 | US4221961 Electronic bottle inspector having particle and liquid detection capabilities |
| 09/09/1980 | US4221867 Optical microbiological testing apparatus and method |
| 09/09/1980 | US4221866 Method for determining endotoxin concentration |
| 09/09/1980 | US4221487 System for testing a pattern recorded on a plate |
| 09/09/1980 | US4221485 Optical smoke detector |
| 09/09/1980 | US4221482 Mineral prospecting by the detection of radon or iodine |
| 09/03/1980 | EP0015068A1 Non-dispersive infrared analyzers |