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Class Information
Number: 250/292.22
Name: Radiant energy >
Description:


Sub-classes under this class:

Class Number Class Name Patents
250/200 Photocells; circuits and apparatus 87
250/250 Radio and microwave absorption wavemeters 36
250/251 Electrically neutral molecular or atomic beam devices and methods 417
250/252.1 Calibration or standardization methods 889
250/253 Geological testing or irradiation 257
250/271 Coded record and readers; invisible radiant energy type 75
250/281 Ionic separation or analysis 1,396
250/301 Methods of determining oil presence, contamination or concentration 109
250/302 Radiation tracer methods 199
250/304 Methods including separation or nonradiant treatment of test materials 106
250/305 Electron energy analysis 396
250/306 Inspection of solids or liquids by charged particles 1,595
250/315.3 Source with charged plate-type detector 34
250/316.1 With infrared or thermal pattern recording 95
250/324 Corona irradiation 313
250/328 Automatic/serial detection of similar sources 171
250/329 Record projectors 5
250/330 Infrared-to-visible imaging 533
250/335 Cloud or bubble chambers 5
250/336.1 Invisible radiant energy responsive electric signalling 437
250/396R With charged particle beam deflection or focussing 1,011
250/423R Ion generation 896
250/428 Fluent material containment, support or transfer means 67
250/453.11 Supported for nonsignalling objects of irradiation (e.g., with conveyor means) 131
250/458.1 Luminophor irradiation 1,224
250/472.1 Invisible radiation responsive nonelectric signalling 127
250/489 Ion collectors 19
250/491.1 Means to align or position an object relative to a source or detector 693
250/492.1 Irradiation of objects or material 1,182
250/493.1 Radiant energy generation and sources 502
250/505.1 Radiation controlling means 538
250/522.1 Source supports 30
250/526 Miscellaneous 33
250/580 Source with recording detector 181
250/900 Optical liquid level sensors 25
250/909 Methods and apparatus ancillary to stimulable phosphor systems 32
250/910 Food sample analysis using invisible radiant energy source 88
250/DIG.1 Passive intrusion detectors 281
250/DIG.2 Radon detection 116


Patents under this class:

Patent Number Title Of Patent Date Issued



 
 
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