G01K

MEASURING TEMPERATURE

MEASURING QUANTITY OF HEAT

THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR radiation pyrometry G01J5/00

In this subclass, the following term is used with the meaning indicated :

"thermometer" includes thermally-sensitive elements not provided for in other subclasses.

Attention is drawn to the Notes following the title of class G01.

Attention is drawn to the Notes following the titles of class B81 and subclass B81B relating to "microstructural devices" and "microstructural systems".

In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.

G01K1/00

Details of thermometers not specially adapted for particular types of thermometer circuits for reducing thermal inertia G01K7/42

G01K1/02

Means for indicating or recording specially adapted for thermometers

G01K1/022

for recording

G01K1/024

for remote indication

G01K1/026

arrangements for monitoring a plurality of temperatures, e.g. by multiplexing

G01K1/028

arrangements for numerical indication

G01K1/04

Scales

G01K1/045

temperature indication combined with the indication of another variable indicating of human comfort G01W1/17

G01K1/06

Arrangements for facilitating reading, e.g. illumination, magnifying glass

G01K1/065

of liquid column thermometers

G01K1/08

Protective devices, e.g. casings

G01K1/10

for preventing chemical attack

G01K1/105

for siderurgical use

G01K1/12

for preventing damage due to heat overloading

G01K1/125

for siderurgical use

G01K1/14

Supports

Fastening devices

Arrangements for mounting thermometers in particular locations

G01K1/143

for measuring surface temperatures

G01K1/146

arrangements for moving thermometers to or from a measuring position

G01K1/16

Special arrangements for conducting heat from the object to the sensitive element

G01K1/165

for application in zero heat flux sensors

G01K1/18

for reducing thermal inertia

G01K1/20

Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature

G01K1/22

by means of fluid contained in a hollow body having parts which are deformable or displaceable under the pressure developed by the fluid

G01K1/24

by means of compounded strips or plates, e.g. by bimetallic strips

G01K1/26

Compensating for effects of pressure changes

G01K3/00

Thermometers giving results other than momentary value of temperature G01K7/42 takes precedence

G01K3/005

Circuits arrangements for indicating a predetermined temperature fire detection G08B17/00

G01K3/02

giving means values

giving integrated values

G01K3/04

in respect of time

G01K3/06

in respect of space

G01K3/08

giving differences of values using thermoelectric elements G01K7/02

giving differentiated values

G01K3/10

in respect of time, e.g. reacting only to a quick change of temperature

G01K3/12

based upon expansion or contraction of materials

G01K3/14

in respect of space

G01K2003/145

Hotspot localization

G01K5/00

Measuring temperature based on the expansion or contraction of a material G01K9/00 takes precedence; giving other than momentary value of temperature G01K3/00

G01K5/02

the material being a liquid contained in a hollow body having parts which are deformable or displaceable under the pressure developed by the material G01K5/32

G01K5/025

Manufacturing of this particular type of thermometer

G01K5/04

Details

G01K5/06

Arrangements for driving back the liquid column

G01K5/08

Capillary tubes

G01K5/10

Containers for the liquid

G01K5/12

Selection of liquid compositions

G01K5/14

the liquid displacing a further liquid column or a solid body for maximum or minimum indication G01K5/20

G01K5/16

with electric contacts

G01K5/18

with electric conversion means for final indication

G01K5/20

with means for indicating a maximum or a minimum or both G01K5/22 takes precedence

G01K5/22

with provision for expansion indicating over not more than a few degrees

Group G01K5/22 is impacted by reclassification into groups G01K13/20, G01K13/25, and G01K13/252.
All groups listed in this Warning should be considered in order to perform a complete search.

G01K5/225

with means for indicating a maximum, e.g. a constriction in the capillary tube

G01K5/24

with provision for measuring the difference between two temperatures

G01K5/26

with provision for adjusting zero point of scale, e.g. Beckmann thermometer

G01K5/28

the material being a gas contained in a hollow body having parts which are deformable or displaceable under the pressure developed by the material G01K5/32

G01K5/30

the gas displacing a liquid column

G01K5/32

the material being a fluid contained in a hollow body having parts which are deformable or displaceable under pressure developed by evaporation G01K11/04; pressure measuring devices in general G01L

G01K5/323

Selection of fluid compositions

G01K5/326

using a fluid container connected to the deformable body by means of a capillary tube

G01K5/34

the body being a capsule G01K5/36, G01K5/42 take precedence

G01K5/36

the body being a tubular spring, e.g. Bourdon tube

G01K5/38

of spiral formation

G01K5/40

of helical formation

G01K5/42

the body being a bellows

G01K5/44

the body being a cylinder and piston

G01K5/46

with electric conversion means for final indication

G01K5/465

using electrical contact making or breaking devices

G01K5/48

the material being a solid

G01K5/483

using materials with a configuration memory, e.g. Ni-Ti alloys

G01K5/486

using microstructures, e.g. made of silicon G01K7/015, G01K7/028, G01K7/226, G01K17/006 take precedence

G01K5/50

arranged for free expansion or contraction

G01K5/52

with electrical conversion means for final indication

G01K5/54

consisting of pivotally-connected elements

G01K5/56

constrained so that expansion or contraction causes a deformation of the solid

G01K5/58

the solid body being constrained at more than one point, e.g. rod, plate, diaphragm G01K5/62 takes precedence

G01K5/60

the body being a flexible wire or ribbon

G01K5/62

the solid body being formed of compounded strips or plates, e.g. bimetallic strip

G01K5/64

Details of the compounds system

G01K5/66

Selection of composition of the components of the system

G01K5/68

Shape of the system

G01K5/70

specially adapted for indicating or recording

G01K5/72

with electric transmission means for final indication

G01K7/00

Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat giving results other than momentary value of temperature G01K3/00

; Power supply therefor, e.g. using thermoelectric elements

G01K7/003

using pyroelectric elements radiation pyrometers G01J5/00

G01K7/006

using superconductive elements

G01K7/01

using semiconducting elements having PN junctions G01K7/02, G01K7/16, G01K7/30 take precedence

G01K7/015

using microstructures, e.g. made of silicon

G01K7/02

using thermoelectric elements, e.g. thermocouples

G01K7/021

Particular circuit arrangements G01K7/026, G01K7/12, G01K7/14 take precedence

G01K7/023

provided with specially adapted connectors connectors per se

H01R

G01K7/025

expendable thermocouples

G01K7/026

Arrangements for signalling failure or disconnection of thermocouples

G01K7/028

using microstructures, e.g. made of silicon

G01K7/04

the object to be measured not forming one of the thermoelectric materials

G01K7/06

the thermoelectric materials being arranged one within the other with the junction at one end exposed to the object, e.g. sheathed type

G01K7/08

the object to be measured forming one of the thermoelectric materials, e.g. pointed type

G01K7/10

Arrangements for compensating for auxiliary variables, e.g. length of lead

G01K7/12

Arrangements with respect to the cold junction, e.g. preventing influence of temperature of surrounding air

G01K7/13

Circuits for cold-junction compensation

G01K7/14

Arrangements for modifying the output characteristic, e.g. linearising

G01K7/16

using resistive elements resistive elements per se H01C, H01L

G01K2007/163

provided with specially adapted connectors

G01K2007/166

Electrical time domain reflectometry

G01K7/18

the element being a linear resistance, e.g. platinum resistance thermometer G01K7/26 takes precedence

G01K7/183

characterised by the use of the resistive element

G01K7/186

using microstructures

G01K7/20

in a specially-adapted circuit, e.g. bridge circuit

G01K7/203

in an oscillator circuit

G01K7/206

in a potentiometer circuit

G01K7/21

for modifying the output characteristic, e.g. linearising

G01K7/22

the element being a non-linear resistance, e.g. thermistor G01K7/26 takes precedence

G01K7/223

characterised by the shape of the resistive element

G01K7/226

using microstructures, e.g. silicon spreading resistance

G01K7/24

in a specially-adapted circuit, e.g. bridge circuit

G01K7/245

in an oscillator circuit

G01K7/25

for modifying the output characteristic, e.g. linearising

G01K7/26

the element being an electrolyte

G01K7/28

in a specially-adapted circuit, e.g. bridge circuit

G01K7/30

using thermal noise of resistances or conductors

G01K7/32

using change of resonant frequency of a crystal

G01K7/34

using capacitative elements capacitors per se

H01G

G01K7/343

the dielectric constant of which is temperature dependant

G01K7/346

for measuring temperature based on the time delay of a signal through a series of logical ports

G01K7/36

using magnetic elements, e.g. magnets, coils magnetic elements per se

H01F

G01K7/38

the variations of temperature influencing the magnetic permeability

G01K7/40

using ionisation of gases

G01K7/42

Circuits effecting compensation of thermal inertia

Circuits for predicting the stationary value of a temperature

G01K2007/422

Dummy objects used for estimating temperature of real objects

G01K7/425

Thermal management of integrated systems

G01K7/427

Temperature calculation based on spatial modeling, e.g. spatial inter- or extrapolation

G01K9/00

Measuring temperature based on movements caused by redistribution of weight, e.g. tilting thermometer not giving momentary value of temperature G01K3/00

G01K11/00

Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00

G01K11/003

using absorption or generation of gas, e.g. hydrogen

G01K11/006

using measurement of the effect of a material on microwaves or longer electromagnetic waves, e.g. measuring temperature via microwaves emitted by the object G01K17/003, G01J5/00 take precedence; measuring the effect of a material on X-, gamma- or particle radiation G01K11/30

G01K11/02

using evaporation or sublimation, e.g. by observing boiling

G01K11/04

from material contained in a hollow body having parts which are deformable or displaceable under the pressure developed by the vapour

G01K11/06

using melting, freezing, or softening

G01K11/08

of disposable test bodies, e.g. cone

G01K11/10

using sintering

G01K11/12

using changes in colour, translucency or reflectance

G01K11/125

using changes in reflectance

G01K11/14

of inorganic materials

Group G01K11/14 is incomplete pending reclassification of documents from group G01K11/165.
Groups G01K11/165 and G01K11/14 should be considered in order to perform a complete search.

G01K11/16

of organic materials

G01K11/165

of organic liquid crystals

Group G01K11/165 is impacted by reclassification into group G01K11/14.
Groups G01K11/165 and G01K11/14 should be considered in order to perform a complete search.

G01K11/18

of materials which change translucency

G01K11/20

using thermoluminescent materials G01K11/32 takes precedence

G01K11/22

using measurement of acoustic effects

G01K11/24

of the velocity of propagation of sound

G01K11/26

of resonant frequencies

G01K11/265

using surface acoustic wave [SAW]

G01K11/28

using measurements of density

measuring density in general G01N9/00

G01K11/30

using measurement of the effect of a material on X-radiation, gamma radiation or particle radiation

G01K11/32

using changes in transmittance, scattering or luminescence in optical fibres

G01K11/3206

at discrete locations in the fibre, e.g. using Bragg scattering

G01K11/3213

using changes in luminescence, e.g. at the distal end of the fibres

G01K11/322

using Brillouin scattering

G01K11/324

using Raman scattering

G01K13/00

Thermometers specially adapted for specific purposes

G01K13/006

for cryogenic purposes

G01K13/008

using microstructures, e.g. made of silicon

G01K13/02

for measuring temperature of moving fluids or granular materials capable of flow

G01K13/022

Suction thermometers

G01K13/024

of moving gases

G01K13/026

of moving liquids

G01K13/028

for use in total air temperature [TAT] probes

G01K13/04

for measuring temperature of moving solid bodies

G01K13/06

in linear movement

G01K13/08

in rotary movement

G01K13/10

for measuring temperature within piled or stacked materials by special arrangements for conducting heat from the object to the sensitive heat element G01K1/16

G01K13/12

combined with sampling devices for measuring temperatures of samples of materials

G01K13/125

for siderurgical purposes

G01K13/20

Clinical contact thermometers for use with humans or animals

Groups G01K13/20, G01K13/25, and G01K13/252 are incomplete pending reclassification of documents from group G01K5/22.
All groups listed in this Warning should be considered in order to perform a complete search.

G01K13/223

Infrared clinical thermometers, e.g. tympanic

G01K13/25

Protective devices therefor, e.g. sleeves preventing contamination

G01K13/252

for tympanic thermometers

G01K15/00

Testing or calibrating of thermometers

G01K15/002

Calibrated temperature sources, temperature standards therefor arrangements with respect to the cold junction of thermo-electric elements G01K7/12

G01K15/005

Calibration

G01K15/007

Testing

G01K17/00

Measuring quantity of heat measuring temperature by calorimetry G01K3/00 - G01K11/00; specially adapted for measuring thermal properties of materials, e.g. specific heat, heat of combustion G01N

G01K17/003

for measuring the power of light beams, e.g. laser beams

G01K17/006

Microcalorimeters, e.g. using silicon microstructures

G01K17/02

Calorimeters using transport of an indicating substances, e.g. evaporation calorimeters

G01K17/025

where evaporation, sublimation or condensation caused by heating or cooling, is measured

G01K17/04

Calorimeters using compensation methods

, i.e. where the absorbed or released quantity of heat to be measured is compensated by a measured quantity of heating or cooling

G01K17/06

Measuring quantity of heat conveyed by flowing media, e.g. in heating systems G01K17/02, G01K17/04 take precedence

e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device

G01K17/08

based upon measurement of temperature difference

or of a temperature

G01K17/10

between an inlet and an outlet point, combined with measurement of rate of flow of the medium

if such, by integration during a certain time-interval

G01K17/12

Indicating product of flow and temperature difference directly

or temperature

G01K17/14

using mechanical means for both measurements

G01K17/16

using electrical

or magnetic

means for both measurements

G01K17/18

using electrical

or magnetic

means for one measurement and mechanical means for the other

G01K17/185

where the indicating-instrument is driven electrically or magnetically by the temperature-measurement device and mechanically by the flow-measurement device

G01K17/20

across a radiating surface, combined with ascertainment of the heat transmission coefficient

materials therefor G01K17/08

G01K19/00

Testing or calibrating calorimeters

G01K2201/00

Application of thermometers in air-conditioning systems

G01K2201/02

in vehicles

G01K2203/00

Application of thermometers in cryogenics

G01K2205/00

Application of thermometers in motors, e.g. of a vehicle

G01K2205/02

for measuring inlet gas temperature

G01K2205/04

for measuring exhaust gas temperature

G01K2207/00

Application of thermometers in household appliances

G01K2207/02

for measuring food temperature

G01K2207/04

for conservation purposes

G01K2207/06

for preparation purposes

G01K2207/08

with food recipients having temperature sensing capability

G01K2211/00

Thermometers based on nanotechnology

G01K2213/00

Temperature mapping

G01K2215/00

Details concerning sensor power supply

G01K2217/00

Temperature measurement using electric or magnetic components already present in the system to be measured

G01K2219/00

Thermometers with dedicated analog to digital converters