| Class Number |
Class Name |
No. of Patents |
| 374/15 |
By applying known thermal gradient (e.g., indication of response by location) |
21 |
| 374/31 |
Calorimetry |
167 |
| 374/39 |
Gain or loss of heat by heat utilizing load in path of heat exchange fluid |
61 |
| 374/40 |
Determined by combining flow rate and temperature signals of heat exchange fluid |
40 |
| 374/41 |
Signals combined electrically |
42 |
| 374/35 |
Heat absorbing heigh temperature gas probe (e.g., enthalpy or fluid cooled probe) |
12 |
| 374/36 |
Heat value of combustion (e.g., 'calorific value') |
60 |
| 374/38 |
Having bomb or cartridge ignition chamber |
17 |
| 374/37 |
Having specified control of input of mixture |
46 |
| 374/42 |
Throttling calorimeter (e.g., steam quality) |
25 |
| 374/32 |
Total radiant energy or power measurement |
100 |
| 374/33 |
With control of heat added to or lost from a sample container (e.g., isothermal calorimetry) |
70 |
| 374/34 |
With controlled adiabatic shield |
19 |
| 374/43 |
Determination of inherent thermal property (e.g., heat flow coefficient) |
223 |
| 374/44 |
Thermal conductivity |
179 |
| 374/10 |
Differential thermal analysis |
137 |
| 374/11 |
Detail of electrical heating control |
68 |
| 374/12 |
Detail of sample holder or support therefor |
58 |
| 374/13 |
Formed by thermoelectric element |
13 |
| 374/6 |
Distance or angle |
41 |
| 374/7 |
Thickness, erosion, or deposition |
106 |
| 374/9 |
Emissivity determination |
73 |
| 374/8 |
Flammability testing |
35 |
| 374/29 |
Heat flux measurement |
156 |
| 374/30 |
By differential temperature measurement along undisturbed thermal gradient |
61 |
| 374/208 |
Housing, support, or adjunct |
721 |
| 374/209 |
Removable probe cover |
75 |
| 374/4 |
Leak or flaw detection |
116 |
| 374/5 |
With heating or cooling of specimen for test |
233 |
| 374/210 |
Miscellaneous |
14 |
| 374/100 |
Temperature measurement (e.g., thermometer) |
89 |
| 374/117 |
By a vibratory effect (e.g., resonant frequency, acoustical) |
155 |
| 374/118 |
Resonant frequency by fluid flow |
15 |
| 374/119 |
Vibration velocity (e.g., echo timing) |
62 |
| 374/163 |
By electrical or magnetic heat sensor |
269 |
| 374/166 |
At plural zones |
115 |
| 374/167 |
Scanning |
29 |
| 374/178 |
By barrier layer sensing element (e.g., semiconductor junction) |
235 |
| 374/174 |
By conductive fluid or work function within sensor (e.g., ionization) |
7 |
| 374/183 |
By current modifying sensor |
296 |
| 374/185 |
Detail of resistive sensor |
247 |
| 374/184 |
Reactive element (e.g., capacitive) |
48 |
| 374/179 |
By thermoelectric potential generator (e.g., thermocouple) |
382 |
| 374/181 |
Reference junction compensation |
64 |
| 374/182 |
Reference junction temperature control |
33 |
| 374/180 |
Specimen is part of thermoelectric circuit |
22 |
| 374/170 |
Digital output |
280 |
| 374/171 |
With digital linearizing circuitry |
58 |
| 374/176 |
Including sensor having hysteresis or cryogenic property (e.g., ferromagnetism, superconductivity) |
60 |
| 374/177 |
Ferroelectric |
14 |
| 374/175 |
Thermal noise generated in conductor |
26 |
| 374/172 |
With compensation for sensor nonlinearity or lead impedance |
89 |
| 374/173 |
By feedback in amplifier circuit or with constant current source in circuit |
50 |
| 374/165 |
With heat exchanger or conductor |
74 |
| 374/164 |
With preheated sensing probe |
94 |
| 374/168 |
With self-rebalancing arrangement (e.g., servo-potentiometer, thermal link) |
19 |
| 374/169 |
With thermal lag compensation |
63 |
| 374/141 |
Combined with diverse art device |
540 |
| 374/150 |
With bottle (e.g., nursing) |
60 |
| 374/144 |
With combustion engine |
195 |
| 374/145 |
Cooling system |
56 |
| 374/146 |
Radiator cap mounted thermometer |
12 |
| 374/151 |
With confection or infant pacifier |
28 |
| 374/149 |
With cooking compartment or door thereof (e.g., oven) |
113 |
| 374/152 |
With electrical component (e.g., transformer) |
105 |
| 374/156 |
With float |
23 |
| 374/147 |
With fluid carrying conduit (e.g., shower pipe) |
134 |
| 374/148 |
Sensor within conduit |
147 |
| 374/142 |
With other measuring device |
313 |
| 374/143 |
Pressure |
171 |
| 374/155 |
With percing element |
75 |
| 374/153 |
With roll or rotary specimen or support |
122 |
| 374/154 |
With coupling between rotating sensor and stationary electrical circuitry |
21 |
| 374/157 |
With sampling cup |
52 |
| 374/101 |
Composite temperature-related paramenter |
44 |
| 374/109 |
Climate related (e.g., wind-chill factor, discomfort index) |
89 |
| 374/110 |
Plural spaced temperature function |
76 |
| 374/116 |
By single sensor (e.g., elongate or with plural fluid intakes) |
17 |
| 374/112 |
Difference or gradient |
77 |
| 374/114 |
By current modifying elements in circuit (e.g., bridge) |
24 |
| 374/113 |
By thermoelements connected in series opposition |
16 |
| 374/111 |
Highest or lowest of spaced temperatures |
26 |
| 374/115 |
Space average |
35 |
| 374/102 |
Time-temperature relationship (e.g., integral, deterioration, change) |
240 |
| 374/108 |
Degree-days |
6 |
| 374/104 |
Peak (maximum or minimum) with respect to time |
55 |
| 374/105 |
Indicating tube with sensing material return prevention |
5 |
| 374/106 |
Permanent visual indication (i.e., irreversible) |
97 |
| 374/107 |
Rate of change |
49 |
| 374/103 |
Time-temperature integration performed by particular circuit arrangement |
30 |
| 374/136 |
Geophysical (e.g., well bore, underwater) |
103 |
| 374/120 |
In spaced noncontact relationship to specimen |
175 |
| 374/135 |
By fluid flow within or to sensor (e.g., convection, heat transfer, differential pressure) |
100 |
| 374/121 |
By thermally emitted radiation |
448 |
| 374/133 |
Ambient temperature compensated (e.g., dummy sensor) |
120 |
| 374/122 |
By microwave arrangement |
63 |
| 374/129 |
Comparison with radiation reference standard |
147 |
| 374/126 |
Having emissivity compensating or specified radiating surface |
166 |
| 374/127 |
Having significant frequency limitation or relationship (e.g., peak, ratio) |
69 |
| 374/128 |
Having significant signal handling circuitry (e.g., linearizing, emissivity compensation) |
131 |
| 374/130 |
Optical system structure (e.g., lens) |
217 |
| 374/131 |
With radiation conducting element |
273 |
| 374/132 |
Sensor or mounting temperature control |
80 |
| 374/123 |
Transparent material measurement or compensation (e.g., spectral line, gas, particulate suspension |
48 |
| 374/125 |
With fluid flow purging device |
33 |
| 374/124 |
With scanning or temperature distribution display |
223 |
| 374/134 |
Extrapolation (e.g., simulation, heat flow) |
78 |
| 374/187 |
Mechanical (e.g., expansion or contraction of materials) |
38 |
| 374/205 |
Compound sensing element (e.g., bimetallic) |
61 |
| 374/206 |
Coil |
23 |
| 374/207 |
Helix |
12 |
| 374/201 |
Expanding fluid |
29 |
| 374/203 |
Bourdon tube or bellows |
23 |
| 374/202 |
With distinct pressure transmitting fluid |
4 |
| 374/188 |
Having electrical indication |
29 |
| 374/190 |
Indicating tube type |
28 |
| 374/193 |
Having specified cross section |
6 |
| 374/192 |
With holder for shaking |
1 |
| 374/191 |
With optical element (e.g., magnifying) |
5 |
| 374/194 |
With support or housing |
38 |
| 374/204 |
Multiple distinct sensing elements |
8 |
| 374/196 |
One sensing element within another |
3 |
| 374/189 |
Plural zones (e.g., indoor-outdoor) |
6 |
| 374/198 |
With adjustment |
13 |
| 374/200 |
Adjustment of limit stop |
5 |
| 374/199 |
Mechanical loading of sensor |
3 |
| 374/197 |
With compensation |
5 |
| 374/195 |
With detail of motion transmitting mechanism |
12 |
| 374/159 |
Nonelectrical, nonmagnetic, or nonmechanical temperature responsive property |
74 |
| 374/161 |
Change of optical property |
361 |
| 374/162 |
Color |
289 |
| 374/160 |
Melting or softening |
126 |
| 374/139 |
Of molten metal |
99 |
| 374/140 |
Lance (e.g., consumable) |
78 |
| 374/137 |
Temperature distribution or profile |
269 |
| 374/138 |
With fluid flow deflector |
75 |
| 374/158 |
With removable cover for sensor (e.g., disposable sheath) |
119 |
| 374/186 |
With specified recording arrangement |
50 |
| 374/1 |
Thermal calibration system |
293 |
| 374/3 |
By immersion in liquid having controlled temperature |
25 |
| 374/2 |
By thermal radiation emitting device (e.g., blackbody cavity) |
82 |
| 374/14 |
Thermal gravimetric analysis |
100 |
| 374/45 |
Thermal testing of a nonthermal quantity |
346 |
| 374/55 |
Expansion or contraction characteristics (e.g., dilatometry) |
74 |
| 374/56 |
Including electrical sensor |
32 |
| 374/53 |
Of cure or hardenability |
40 |
| 374/54 |
Of fluid volume |
77 |
| 374/57 |
Of susceptibility to thermally induced deteriouration, flaw, or failure |
221 |
| 374/46 |
With loading of specimen (e.g., stress or strain) |
37 |
| 374/52 |
Bending or flexing |
4 |
| 374/51 |
Compressional |
23 |
| 374/47 |
Cyclic |
29 |
| 374/48 |
Torsional |
10 |
| 374/49 |
Tensile |
24 |
| 374/50 |
With detail of heating or cooling structure |
21 |
| 374/16 |
Transformation point determination (e.g., dew point, boiling point) |
98 |
| 374/27 |
Between gaseous and liquid states |
38 |
| 374/28 |
Dew point |
60 |
| 374/22 |
By change in motion of movable element |
10 |
| 374/23 |
Driven element |
17 |
| 374/17 |
By change in optical property (e.g., transmission) |
43 |
| 374/18 |
By reflection (e.g., polished surface) |
14 |
| 374/19 |
Sensed by instrument (e.g., photocell) |
18 |
| 374/20 |
Controlling heating or cooling |
52 |
| 374/24 |
By change in pressure of flow rate |
19 |
| 374/21 |
By electrical condition of specimen |
21 |
| 374/25 |
By thermal arrest (e.g., time-temperature curve) |
47 |
| 374/26 |
Of molten metal (e.g., carbon content) |
24 |
