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Class Information
Number: 250/487
Name: Radiant energy >
Description:


Sub-classes under this class:

Class Number Class Name Patents
250/200 Photocells; circuits and apparatus 98
250/250 Radio and microwave absorption wavemeters 39
250/251 Electrically neutral molecular or atomic beam devices and methods 447
250/252.1 Calibration or standardization methods 947
250/253 Geological testing or irradiation 263
250/271 Coded record and readers; invisible radiant energy type 76
250/281 Ionic separation or analysis 1,557
250/301 Methods of determining oil presence, contamination or concentration 113
250/302 Radiation tracer methods 201
250/304 Methods including separation or nonradiant treatment of test materials 117
250/305 Electron energy analysis 411
250/306 Inspection of solids or liquids by charged particles 1,739
250/315.3 Source with charged plate-type detector 34
250/316.1 With infrared or thermal pattern recording 98
250/324 Corona irradiation 317
250/328 Automatic/serial detection of similar sources 173
250/329 Record projectors 5
250/330 Infrared-to-visible imaging 566
250/335 Cloud or bubble chambers 6
250/336.1 Invisible radiant energy responsive electric signalling 471
250/396R With charged particle beam deflection or focussing 1,137
250/423R Ion generation 998
250/428 Fluent material containment, support or transfer means 76
250/453.11 Supported for nonsignalling objects of irradiation (e.g., with conveyor means) 141
250/458.1 Luminophor irradiation 1,296
250/472.1 Invisible radiation responsive nonelectric signalling 132
250/489 Ion collectors 23
250/491.1 Means to align or position an object relative to a source or detector 730
250/492.1 Irradiation of objects or material 1,343
250/493.1 Radiant energy generation and sources 570
250/505.1 Radiation controlling means 577
250/522.1 Source supports 32
250/526 Miscellaneous 38
250/580 Source with recording detector 195
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 89
250/DIG.1 Passive intrusion detectors 285
250/DIG.2 Radon detection 116


Patents under this class:

Patent Number Title Of Patent Date Issued



 
 
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