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Class Information
Number: 250/418
Name: Radiant energy >
Description:










Sub-classes under this class:

Class Number Class Name Patents
250/200 Photocells; circuits and apparatus 139
250/250 Radio and microwave absorption wavemeters 45
250/251 Electrically neutral molecular or atomic beam devices and methods 603
250/252.1 Calibration or standardization methods 1,185
250/253 Geological testing or irradiation 289
250/271 Coded record and readers; invisible radiant energy type 85
250/281 Ionic separation or analysis 2,444
250/301 Methods of determining oil presence, contamination or concentration 123
250/302 Radiation tracer methods 215
250/304 Methods including separation or nonradiant treatment of test materials 131
250/305 Electron energy analysis 505
250/306 Inspection of solids or liquids by charged particles 2,280
250/315.3 Source with charged plate-type detector 35
250/316.1 With infrared or thermal pattern recording 112
250/324 Corona irradiation 333
250/328 Automatic/serial detection of similar sources 174
250/329 Record projectors 5
250/330 Infrared-to-visible imaging 708
250/335 Cloud or bubble chambers 7
250/336.1 Invisible radiant energy responsive electric signalling 652
250/396R With charged particle beam deflection or focussing 1,727
250/423R Ion generation 1,371
250/428 Fluent material containment, support or transfer means 147
250/453.11 Supported for nonsignalling objects of irradiation (e.g., with conveyor means) 211
250/458.1 Luminophor irradiation 1,640
250/472.1 Invisible radiation responsive nonelectric signalling 153
250/489 Ion collectors 31
250/491.1 Means to align or position an object relative to a source or detector 905
250/492.1 Irradiation of objects or material 2,111
250/493.1 Radiant energy generation and sources 877
250/505.1 Radiation controlling means 798
250/522.1 Source supports 46
250/526 Miscellaneous 52
250/580 Source with recording detector 219
250/900 Optical liquid level sensors 26
250/909 Methods and apparatus ancillary to stimulable phosphor systems 33
250/910 Food sample analysis using invisible radiant energy source 89
250/DIG.1 Passive intrusion detectors 290
250/DIG.2 Radon detection 117


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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