US Patent Class 374
THERMAL MEASURING AND TESTING
 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| Electronic File Wrappers | Electronic Patent Documents | Paper Patent Documents | Current as of: June, 1999
| and Services |
| DF | CLASS NOTES | |
| 1 | DF | THERMAL CALIBRATION SYSTEM |
| 2 | DF | .~ By thermal radiation emitting device (e.g., blackbody cavity) |
| 3 | DF | .~ By immersion in liquid having controlled temperature |
| 4 | DF | LEAK OR FLAW DETECTION |
| 5 | DF | .~ With heating or cooling of specimen for test |
| 6 | DF | DISTANCE OR ANGLE |
| 7 | DF | .~ Thickness, erosion, or deposition |
| 8 | DF | FLAMMABILITY TESTING |
| 9 | DF | EMISSIVITY DETERMINATION |
| 10 | DF | DIFFERENTIAL THERMAL ANALYSIS |
| 11 | DF | .~ Detail of electrical heating control |
| 12 | DF | .~ Detail of sample holder or support therefor |
| 13 | DF | .~.~ Formed by thermoelectric element |
| 14 | DF | THERMAL GRAVIMETRIC ANALYSIS |
| 15 | DF | BY APPLYING KNOWN THERMAL GRADIENT (E.G., INDICATION OF RESPONSE BY LOCATION) |
| 16 | DF | TRANSFORMATION POINT DETERMINATION (E.G., DEW POINT, BOILING POINT) |
| 17 | DF | .~ By change in optical property (e.g., transmission) |
| 18 | DF | .~.~ By reflection (e.g., polished surface) |
| 19 | DF | .~.~.~ Sensed by instrument (e.g., photocell) |
| 20 | DF | .~.~.~.~ Controlling heating or cooling |
| 21 | DF | .~ By electrical condition of specimen |
| 22 | DF | .~ By change in motion of movable element |
| 23 | DF | .~.~ Driven element |
| 24 | DF | .~ By change in pressure of flow rate |
| 25 | DF | .~ By thermal arrest (e.g., time-temperature curve) |
| 26 | DF | .~.~ Of molten metal (e.g., carbon content) |
| 27 | DF | .~ Between gaseous and liquid states |
| 28 | DF | .~.~ Dew point |
| 29 | DF | HEAT FLUX MEASUREMENT |
| 30 | DF | .~ By differential temperature measurement along undisturbed thermal gradient |
| 31 | DF | CALORIMETRY |
| 32 | DF | .~ Total radiant energy or power measurement |
| 33 | DF | .~ With control of heat added to or lost from a sample container (e.g., isothermal calorimetry) |
| 34 | DF | .~.~ With controlled adiabatic shield |
| 35 | DF | .~ Heat absorbing heigh temperature gas probe (e.g., enthalpy or fluid cooled probe) |
| 36 | DF | .~ Heat value of combustion (e.g., 'calorific value') |
| 37 | DF | .~.~ Having specified control of input of mixture |
| 38 | DF | .~.~ Having bomb or cartridge ignition chamber |
| 39 | DF | .~ Gain or loss of heat by heat utilizing load in path of heat exchange fluid |
| 40 | DF | .~.~ Determined by combining flow rate and temperature signals of heat exchange fluid |
| 41 | DF | .~.~.~ Signals combined electrically |
| 42 | DF | .~ Throttling calorimeter (e.g., steam quality) |
| 43 | DF | DETERMINATION OF INHERENT THERMAL PROPERTY (E.G., HEAT FLOW COEFFICIENT) |
| 44 | DF | .~ Thermal conductivity |
| 45 | DF | THERMAL TESTING OF A NONTHERMAL QUANTITY |
| 46 | DF | .~ With loading of specimen (e.g., stress or strain) |
| 47 | DF | .~.~ Cyclic |
| 48 | DF | .~.~.~ Torsional |
| 49 | DF | .~.~ Tensile |
| 50 | DF | .~.~.~ With detail of heating or cooling structure |
| 51 | DF | .~.~ Compressional |
| 52 | DF | .~.~ Bending or flexing |
| 53 | DF | .~ Of cure or hardenability |
| 54 | DF | .~ Of fluid volume |
| 55 | DF | .~ Expansion or contraction characteristics (e.g., dilatometry) |
| 56 | DF | .~.~ Including electrical sensor |
| 57 | DF | .~ Of susceptibility to thermally induced deteriouration, flaw, or failure |
| 100 | DF | TEMPERATURE MEASUREMENT (E.G., THERMOMETER) |
| 101 | DF | .~ Composite temperature-related paramenter |
| 102 | DF | .~.~ Time-temperature relationship (e.g., integral, deterioration, change) |
| 103 | DF | .~.~.~ Time-temperature integration performed by particular circuit arrangement |
| 104 | DF | .~.~.~ Peak (maximum or minimum) with respect to time |
| 105 | DF | .~.~.~.~ Indicating tube with sensing material return prevention |
| 106 | DF | .~.~.~.~ Permanent visual indication (i.e., irreversible) |
| 107 | DF | .~.~.~ Rate of change |
| 108 | DF | .~.~.~ Degree-days |
| 109 | DF | .~.~ Climate related (e.g., wind-chill factor, discomfort index) |
| 110 | DF | .~.~ Plural spaced temperature function |
| 111 | DF | .~.~.~ Highest or lowest of spaced temperatures |
| 112 | DF | .~.~.~ Difference or gradient |
| 113 | DF | .~.~.~.~ By thermoelements connected in series opposition |
| 114 | DF | .~.~.~.~ By current modifying elements in circuit (e.g., bridge) |
| 115 | DF | .~.~.~ Space average |
| 116 | DF | .~.~.~ By single sensor (e.g., elongate or with plural fluid intakes) |
| 117 | DF | .~ By a vibratory effect (e.g., resonant frequency, acoustical) |
| 118 | DF | .~.~ Resonant frequency by fluid flow |
| 119 | DF | .~.~ Vibration velocity (e.g., echo timing) |
| 120 | DF | .~ In spaced noncontact relationship to specimen |
| 121 | DF | .~.~ By thermally emitted radiation |
| 122 | DF | .~.~.~ By microwave arrangement |
| 123 | DF | .~.~.~ Transparent material measurement or compensation (e.g., spectral line, gas, particulate suspension |
| 124 | DF | .~.~.~ With scanning or temperature distribution display |
| 125 | DF | .~.~.~ With fluid flow purging device |
| 126 | DF | .~.~.~ Having emissivity compensating or specified radiating surface |
| 127 | DF | .~.~.~ Having significant frequency limitation or relationship (e.g., peak, ratio) |
| 128 | DF | .~.~.~ Having significant signal handling circuitry (e.g., linearizing, emissivity compensation) |
| 129 | DF | .~.~.~ Comparison with radiation reference standard |
| 130 | DF | .~.~.~ Optical system structure (e.g., lens) |
| 131 | DF | .~.~.~.~ With radiation conducting element |
| 132 | DF | .~.~.~ Sensor or mounting temperature control |
| 133 | DF | .~.~.~ Ambient temperature compensated (e.g., dummy sensor) |
| 134 | DF | .~.~ Extrapolation (e.g., simulation, heat flow) |
| 135 | DF | .~.~ By fluid flow within or to sensor (e.g., convection, heat transfer, differential pressure) |
| 136 | DF | .~ Geophysical (e.g., well bore, underwater) |
| 137 | DF | .~ Temperature distribution or profile |
| 138 | DF | .~ With fluid flow deflector |
| 139 | DF | .~ Of molten metal |
| 140 | DF | .~.~ Lance (e.g., consumable) |
| 141 | DF | .~ Combined with diverse art device |
| 142 | DF | .~.~ With other measuring device |
| 143 | DF | .~.~.~ Pressure |
| 144 | DF | .~.~ With combustion engine |
| 145 | DF | .~.~.~ Cooling system |
| 146 | DF | .~.~.~.~ Radiator cap mounted thermometer |
| 147 | DF | .~.~ With fluid carrying conduit (e.g., shower pipe) |
| 148 | DF | .~.~.~ Sensor within conduit |
| 149 | DF | .~.~ With cooking compartment or door thereof (e.g., oven) |
| 150 | DF | .~.~ With bottle (e.g., nursing) |
| 151 | DF | .~.~ With confection or infant pacifier |
| 152 | DF | .~.~ With electrical component (e.g., transformer) |
| 153 | DF | .~.~ With roll or rotary specimen or support |
| 154 | DF | .~.~.~ With coupling between rotating sensor and stationary electrical circuitry |
| 155 | DF | .~.~ With percing element |
| 156 | DF | .~.~ With float |
| 157 | DF | .~.~ With sampling cup |
| 158 | DF | .~ With removable cover for sensor (e.g., disposable sheath) |
| 159 | DF | .~ Nonelectrical, nonmagnetic, or nonmechanical temperature responsive property |
| 160 | DF | .~.~ Melting or softening |
| 161 | DF | .~.~ Change of optical property |
| 162 | DF | .~.~.~ Color |
| 163 | DF | .~ By electrical or magnetic heat sensor |
| 164 | DF | .~.~ With preheated sensing probe |
| 165 | DF | .~.~ With heat exchanger or conductor |
| 166 | DF | .~.~ At plural zones |
| 167 | DF | .~.~.~ Scanning |
| 168 | DF | .~.~ With self-rebalancing arrangement (e.g., servo-potentiometer, thermal link) |
| 169 | DF | .~.~ With thermal lag compensation |
| 170 | DF | .~.~ Digital output |
| 171 | DF | .~.~.~ With digital linearizing circuitry |
| 172 | DF | .~.~ With compensation for sensor nonlinearity or lead impedance |
| 173 | DF | .~.~.~ By feedback in amplifier circuit or with constant current source in circuit |
| 174 | DF | .~.~ By conductive fluid or work function within sensor (e.g., ionization) |
| 175 | DF | .~.~ Thermal noise generated in conductor |
| 176 | DF | .~.~ Including sensor having hysteresis or cryogenic property (e.g., ferromagnetism, superconductivity) |
| 177 | DF | .~.~.~ Ferroelectric |
| 178 | DF | .~.~ By barrier layer sensing element (e.g., semiconductor junction) |
| 179 | DF | .~.~ By thermoelectric potential generator (e.g., thermocouple) |
| 180 | DF | .~.~.~ Specimen is part of thermoelectric circuit |
| 181 | DF | .~.~.~ Reference junction compensation |
| 182 | DF | .~.~.~ Reference junction temperature control |
| 183 | DF | .~.~ By current modifying sensor |
| 184 | DF | .~.~.~ Reactive element (e.g., capacitive) |
| 185 | DF | .~.~.~ Detail of resistive sensor |
| 186 | DF | .~ With specified recording arrangement |
| 187 | DF | .~ Mechanical (e.g., expansion or contraction of materials) |
| 188 | DF | .~.~ Having electrical indication |
| 189 | DF | .~.~ Plural zones (e.g., indoor-outdoor) |
| 190 | DF | .~.~ Indicating tube type |
| 191 | DF | .~.~.~ With optical element (e.g., magnifying) |
| 192 | DF | .~.~.~ With holder for shaking |
| 193 | DF | .~.~.~ Having specified cross section |
| 194 | DF | .~.~.~ With support or housing |
| 195 | DF | .~.~ With detail of motion transmitting mechanism |
| 196 | DF | .~.~ One sensing element within another |
| 197 | DF | .~.~ With compensation |
| 198 | DF | .~.~ With adjustment |
| 199 | DF | .~.~.~ Mechanical loading of sensor |
| 200 | DF | .~.~.~ Adjustment of limit stop |
| 201 | DF | .~.~ Expanding fluid |
| 202 | DF | .~.~.~ With distinct pressure transmitting fluid |
| 203 | DF | .~.~.~ Bourdon tube or bellows |
| 204 | DF | .~.~ Multiple distinct sensing elements |
| 205 | DF | .~.~ Compound sensing element (e.g., bimetallic) |
| 206 | DF | .~.~.~ Coil |
| 207 | DF | .~.~.~.~ Helix |
| 208 | DF | HOUSING, SUPPORT, OR ADJUNCT |
| 209 | DF | .~ Removable probe cover |
| 210 | DF | MISCELLANEOUS |