Symbol Version, Language
Search in DEPATISnetSearch in DPMAregister

Search request: No search request has been comitted.

IPC entry: G01N 21/71 2-dot subgroup [Version 2024.01 (current), Language EN - English]

Symbol Select IPC entry Title
A
Show hierarchy
HUMAN NECESSITIES
B
Show hierarchy
PERFORMING OPERATIONS; TRANSPORTING
C
Show hierarchy
CHEMISTRY; METALLURGY
D
Show hierarchy
TEXTILES; PAPER
E
Show hierarchy
FIXED CONSTRUCTIONS
F
Show hierarchy
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
G
Show hierarchy
PHYSICS
G01
Show hierarchy
MEASURING; TESTING
G01B
Show hierarchy
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01C
Show hierarchy
MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F;  radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effect, propagation time, of radio waves, analogous arrangements using other waves G01S)
G01D
Show hierarchy
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
G01F
Show hierarchy
MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME [2, 5]
G01G
Show hierarchy
WEIGHING
G01H
Show hierarchy
MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES [4]
G01J
Show hierarchy
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY [2]
G01K
Show hierarchy
MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J 5/00)
G01L
Show hierarchy
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE (weighing G01G) [4]
G01M
Show hierarchy
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
G01N
Show hierarchy
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
G01N 1/00
Show hierarchy
Sampling; Preparing specimens for investigation (handling materials for automatic analysis G01N 35/00) [1, 2006.01]
G01N 3/00
Show hierarchy
Investigating strength properties of solid materials by application of mechanical stress [1, 2006.01]
G01N 5/00
Show hierarchy
Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid (G01N 9/00 takes precedence) [1, 2006.01]
G01N 7/00
Show hierarchy
Analysing materials by measuring the pressure or volume of a gas or vapour [1, 2006.01]
G01N 9/00
Show hierarchy
Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity [1, 2006.01]
G01N 11/00
Show hierarchy
Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties [1, 2006.01]
G01N 13/00
Show hierarchy
Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects (scanning-probe techniques or apparatus G01Q) [1, 7, 2006.01]
G01N 15/00
Show hierarchy
Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials  (identification of microorganisms C12Q) [1, 4, 2006.01, 2024.01]
G01N 17/00
Show hierarchy
Investigating resistance of materials to the weather, to corrosion or to light [1, 2006.01]
G01N 19/00
Show hierarchy
Investigating materials by mechanical methods (G01N 3/00-G01N 17/00 take precedence) [1, 2006.01]
G01N 21/00
Show hierarchy
Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light  (G01N 3/00-G01N 19/00 take precedence) [1, 2006.01]
G01N 21/01
Show hierarchy
. Arrangements or apparatus for facilitating the optical investigation [3, 2006.01]
G01N 21/03
Show hierarchy
. . Cuvette constructions [3, 2006.01]
G01N 21/05
Show hierarchy
. . . Flow-through cuvettes (G01N 21/09 takes precedence) [3, 2006.01]
G01N 21/07
Show hierarchy
. . . Centrifugal type cuvettes (G01N 21/09 takes precedence) [3, 2006.01]
G01N 21/09
Show hierarchy
. . . adapted to resist hostile environments or corrosive or abrasive materials [3, 2006.01]
G01N 21/11
Show hierarchy
. . Filling or emptying of cuvettes [3, 2006.01]
G01N 21/13
Show hierarchy
. . Moving of cuvettes or solid samples to or from the investigating station [3, 2006.01]
G01N 21/15
Show hierarchy
. . Preventing contamination of the components of the optical system or obstruction of the light path [3, 2006.01]
G01N 21/17
Show hierarchy
. Systems in which incident light is modified in accordance with the properties of the material investigated (where the material investigated is optically excited causing a change in wavelength of the incident light G01N 21/63) [3, 2006.01]
G01N 21/19
Show hierarchy
. . Dichroism [3, 2006.01]
G01N 21/21
Show hierarchy
. . Polarisation-affecting properties (G01N 21/19 takes precedence) [3, 2006.01]
G01N 21/23
Show hierarchy
. . . Bi-refringence [3, 2006.01]
G01N 21/25
Show hierarchy
. . Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands [3, 2006.01]
G01N 21/27
Show hierarchy
. . . using photo-electric detection (G01N 21/31 takes precedence) [3, 2006.01]
G01N 21/29
Show hierarchy
. . . using visual detection (G01N 21/31 takes precedence) [3, 2006.01]
G01N 21/31
Show hierarchy
. . . Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry [3, 2006.01]
G01N 21/33
Show hierarchy
. . . . using ultraviolet light (G01N 21/39 takes precedence) [3, 2006.01]
G01N 21/35
Show hierarchy
. . . . using infrared light (G01N 21/39 takes precedence) [3, 2006.01, 2014.01]
G01N 21/3504
Show hierarchy
. . . . . for analysing gases, e.g. multi-gas analysis [2014.01]
G01N 21/3518
Show hierarchy
. . . . . . Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques [2014.01]
G01N 21/3554
Show hierarchy
. . . . . for determining moisture content [2014.01]
G01N 21/3559
Show hierarchy
. . . . . . in sheets, e.g. in paper [2014.01]
G01N 21/3563
Show hierarchy
. . . . . for analysing solids; Preparation of samples therefor [2014.01]
G01N 21/3577
Show hierarchy
. . . . . for analysing liquids, e.g. polluted water [2014.01]
G01N 21/3581
Show hierarchy
. . . . . using far infrared light; using Terahertz radiation [2014.01]
G01N 21/3586
Show hierarchy
. . . . . . by Terahertz time domain spectroscopy [THz-TDS] [2014.01]
G01N 21/359
Show hierarchy
. . . . . using near infrared light [2014.01]
G01N 21/37
Show hierarchy
. . . . . using pneumatic detection [3, 2006.01]
G01N 21/39
Show hierarchy
. . . . using tunable lasers [3, 2006.01]
G01N 21/41
Show hierarchy
. . Refractivity; Phase-affecting properties, e.g. optical path length (G01N 21/21 takes precedence) [3, 2006.01]
G01N 21/43
Show hierarchy
. . . by measuring critical angle [3, 2006.01]
G01N 21/45
Show hierarchy
. . . using interferometric methods; using Schlieren methods [3, 2006.01]
G01N 21/47
Show hierarchy
. . Scattering, i.e. diffuse reflection (G01N 21/25, G01N 21/41 take precedence) [3, 2006.01]
G01N 21/49
Show hierarchy
. . . within a body or fluid [3, 2006.01]
G01N 21/51
Show hierarchy
. . . . inside a container, e.g. in an ampoule (G01N 21/53 takes precedence) [3, 2006.01]
G01N 21/53
Show hierarchy
. . . . within a flowing fluid, e.g. smoke [3, 2006.01]
G01N 21/55
Show hierarchy
. . Specular reflectivity [3, 2006.01, 2014.01]
G01N 21/552
Show hierarchy
. . . Attenuated total reflection [2014.01]
G01N 21/57
Show hierarchy
. . . Measuring gloss [3, 2006.01]
G01N 21/59
Show hierarchy
. . Transmissivity (G01N 21/25 takes precedence) [3, 2006.01]
G01N 21/61
Show hierarchy
. . . Non-dispersive gas analysers [3, 2006.01]
G01N 21/62
Show hierarchy
. Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light [3, 2006.01]
G01N 21/63
Show hierarchy
. . optically excited [3, 2006.01]
G01N 21/64
Show hierarchy
. . . Fluorescence; Phosphorescence [3, 2006.01]
G01N 21/65
Show hierarchy
. . . Raman scattering [3, 2006.01]
G01N 21/66
Show hierarchy
. . electrically excited, e.g. electroluminescence [3, 2006.01]
G01N 21/67
Show hierarchy
. . . using electric arcs or discharges [3, 2006.01]
G01N 21/68
Show hierarchy
. . . using high frequency electric fields [3, 2006.01]
G01N 21/69
Show hierarchy
. . . specially adapted for fluids [3, 2006.01]
G01N 21/70
Show hierarchy
. . mechanically excited, e.g. triboluminescence [3, 2006.01]
G01N 21/71
Show hierarchy
. . thermally excited [3, 2006.01]
G01N 21/72
Show hierarchy
. . . using flame burners [3, 2006.01]
G01N 21/73
Show hierarchy
. . . using plasma burners or torches [3, 2006.01]
G01N 21/74
Show hierarchy
. . . using flameless atomising, e.g. graphite furnaces [3, 2006.01]
G01N 21/75
Show hierarchy
. Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated (systems in which material is burnt in a flame or plasma G01N 21/72, G01N 21/73) [3, 2006.01]
G01N 21/76
Show hierarchy
. . Chemiluminescence; Bioluminescence [3, 2006.01]
G01N 21/77
Show hierarchy
. . by observing the effect on a chemical indicator [3, 2006.01]
G01N 21/78
Show hierarchy
. . . producing a change of colour [3, 2006.01]
G01N 21/79
Show hierarchy
. . . . Photometric titration [3, 2006.01]
G01N 21/80
Show hierarchy
. . . . Indicating pH value [3, 2006.01]
G01N 21/81
Show hierarchy
. . . . Indicating humidity [3, 2006.01]
G01N 21/82
Show hierarchy
. . . producing a precipitate or turbidity [3, 2006.01]
G01N 21/83
Show hierarchy
. . . . Turbidimetric titration [3, 2006.01]
G01N 21/84
Show hierarchy
. Systems specially adapted for particular applications [3, 2006.01]
G01N 21/85
Show hierarchy
. . Investigating moving fluids or granular solids [3, 2006.01]
G01N 21/86
Show hierarchy
. . Investigating moving sheets (G01N 21/89 takes precedence) [3, 2006.01]
G01N 21/87
Show hierarchy
. . Investigating jewels (G01N 21/88 takes precedence) [3, 2006.01]
G01N 21/88
Show hierarchy
. . Investigating the presence of flaws, defects or contamination [3, 2006.01]
G01N 21/89
Show hierarchy
. . . in moving material, e.g. paper, textiles (G01N 21/90, G01N 21/91, G01N 21/94 take precedence) [3, 7, 2006.01]
G01N 21/892
Show hierarchy
. . . . characterised by the flaw, defect or object feature examined [7, 2006.01]
G01N 21/894
Show hierarchy
. . . . . Pinholes [7, 2006.01]
G01N 21/896
Show hierarchy
. . . . . Optical defects in or on transparent materials, e.g. distortion, surface flaws [7, 2006.01]
G01N 21/898
Show hierarchy
. . . . . Irregularities in textured or patterned surfaces, e.g. textiles, wood [7, 2006.01]
G01N 21/90
Show hierarchy
. . . in a container or its contents (G01N 21/91 takes precedence) [3, 2006.01]
G01N 21/91
Show hierarchy
. . . using penetration of dyes, e.g. fluorescent ink [3, 2006.01]
G01N 21/93
Show hierarchy
. . . Detection standards; Calibrating [7, 2006.01]
G01N 21/94
Show hierarchy
. . . Investigating contamination, e.g. dust (G01N 21/85 takes precedence) [7, 2006.01]
G01N 21/95
Show hierarchy
. . . characterised by the material or shape of the object to be examined (G01N 21/89-G01N 21/91, G01N 21/94 take precedence) [7, 2006.01]
G01N 21/952
Show hierarchy
. . . . Inspecting the exterior surface of cylindrical bodies or wires (G01N 21/956 takes precedence) [7, 2006.01]
G01N 21/954
Show hierarchy
. . . . Inspecting the inner surface of hollow bodies, e.g. bores [7, 2006.01]
G01N 21/956
Show hierarchy
. . . . Inspecting patterns on the surface of objects [7, 2006.01]
G01N 21/958
Show hierarchy
. . . . Inspecting transparent materials [7, 2006.01]
G01N 22/00
Show hierarchy
Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more (G01N 3/00-G01N 17/00, G01N 24/00 take precedence) [3, 2006.01]
G01N 23/00
Show hierarchy
Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N 3/00-G01N 17/00, G01N 21/00 or G01N 22/00 [1, 2006.01]
G01N 24/00
Show hierarchy
Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects [3, 4, 5, 2006.01]
G01N 25/00
Show hierarchy
Investigating or analysing materials by the use of thermal means (G01N 3/00-G01N 23/00 take precedence) [1, 2006.01]
G01N 27/00
Show hierarchy
Investigating or analysing materials by the use of electric, electrochemical, or magnetic means  (G01N 3/00-G01N 25/00 take precedence;  measurement or testing of electric or magnetic variables or of electric or magnetic properties of materials G01R) [1, 2006.01]
G01N 29/00
Show hierarchy
Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object (G01N 3/00-G01N 27/00 take precedence) [1, 4, 2006.01]
G01N 30/00
Show hierarchy
Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography (G01N 3/00-G01N 29/00 take precedence) [4, 2006.01]
G01N 31/00
Show hierarchy
Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroups; Apparatus specially adapted for such methods [1, 4, 2006.01]
G01N 33/00
Show hierarchy
Investigating or analysing materials by specific methods not covered by groups G01N 1/00-G01N 31/00 [1, 2006.01]
G01N 35/00
Show hierarchy
Automatic analysis not limited to methods or materials provided for in any single one of groups G01N 1/00-G01N 33/00; Handling materials therefor [3, 2006.01]
G01N 37/00
Show hierarchy
Details not covered by any other group of this subclass [3, 2006.01]
G01P
Show hierarchy
MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK; INDICATING PRESENCE OR ABSENCE OF MOVEMENT;  INDICATING DIRECTION OF MOVEMENT  (measuring angular rate using gyroscopic effects G01C 19/00; combined measuring devices for measuring two or more variables of movement G01C 23/00; measuring velocity of sound G01H 5/00; measuring velocity of light G01J 7/00; determining direction or velocity of solid objects by reflection or reradiation of radio or other waves and based on propagation effects, e.g. Doppler effect, propagation time or direction of propagation, G01S; measuring speed of nuclear radiation G01T)
G01Q
Show hierarchy
SCANNING-PROBE TECHNIQUES OR APPARATUS; APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING-PROBE MICROSCOPY [SPM] [2010.01]
G01R
Show hierarchy
MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J 3/12)
G01S
Show hierarchy
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
G01T
Show hierarchy
MEASUREMENT OF NUCLEAR OR X-RADIATION (radiation analysis of materials, mass spectrometry G01N 23/00; tubes for determining the presence, intensity, density or energy of radiation or particles  H01J 47/00)
G01V
Show hierarchy
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS (means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B 29/02) [4, 6]
G01W
Show hierarchy
METEOROLOGY (radar, sonar, lidar or analogous systems, designed for meteorological use G01S 13/95, G01S 15/88, G01S 17/95)
G02
Show hierarchy
OPTICS
G03
Show hierarchy
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY [4]
G04
Show hierarchy
HOROLOGY
G05
Show hierarchy
CONTROLLING; REGULATING
G06
Show hierarchy
COMPUTING; CALCULATING OR COUNTING
G07
Show hierarchy
CHECKING-DEVICES
G08
Show hierarchy
SIGNALLING
G09
Show hierarchy
EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
G10
Show hierarchy
MUSICAL INSTRUMENTS; ACOUSTICS
G11
Show hierarchy
INFORMATION STORAGE
G12
Show hierarchy
INSTRUMENT DETAILS
G16
Show hierarchy
INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS [2018.01]
G21
Show hierarchy
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
G99
Show hierarchy
SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
H
Show hierarchy
ELECTRICITY

IPC entry to be compared: No IPC entry bookmarked for comparison view [Version , Language ]