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Class Information
Number: 250/493.1
Name: Radiant energy > Radiant energy generation and sources
Description: Subject matter which includes radiation emitters of this class type and not provided for elsewhere.










Sub-classes under this class:

Class Number Class Name Patents
250/494.1 Plural radiation sources 253
250/496.1 With container for radioactive source and radiation directing or selectable shielding 112
250/503.1 With radiation modifying member 214


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
6005882 Electron pump Dec. 21, 1999
6005254 Irradiation device Dec. 21, 1999
6000815 Mechanically aligned lamp reflector assembly Dec. 14, 1999
5998799 Environmental cabinet Dec. 7, 1999
5989283 Irradiation device, especially for the cosmetic, diagnostic and therapeutic application of light Nov. 23, 1999
5977554 Container for transporting antiprotons Nov. 2, 1999
5971598 Wireless remote controlled tanning system Oct. 26, 1999
RE36315 Compounds and infrared devices including stoichiometric semiconductor compounds of indium, thallium, and including at least one of arsenic and phosphorus Sep. 28, 1999
5959306 Portable light source and system for use in leak detection Sep. 28, 1999
5949081 Dynamic infrared scene projector Sep. 7, 1999
5949082 Ceramic radiation source assembly with metalized seal for gas spectrometer Sep. 7, 1999
5939726 Infrared radiation source Aug. 17, 1999
5932885 Thermophotovoltaic electric generator Aug. 3, 1999
5905268 Inspection lamp with thin-film dichroic filter May. 18, 1999
5873371 Method and apparatus for the removal of harmful constituents from cigarettes and tobacco before smoking Feb. 23, 1999
5864144 Infrared radiation emitting device Jan. 26, 1999
5861633 Irradiator apparatus Jan. 19, 1999
5841146 Reflector Nov. 24, 1998
5838016 Infrared radiation filament and method of manufacture Nov. 17, 1998
5825041 System for optical curing Oct. 20, 1998
5825140 Radio-frequency type charged particle accelerator Oct. 20, 1998
5763892 Ultraviolet irradiator for substrate, substrate treatment system, and method of irradiating substrate with ultraviolet light Jun. 9, 1998
5763930 Plasma focus high energy photon source Jun. 9, 1998
5756990 Simplified simulation of effects of turbulence on digital imagery May. 26, 1998
5751006 Water heated panels for simulating the infrared signature of a target May. 12, 1998
5751896 Method and apparatus to compensate for non-uniform film growth during chemical vapor deposition May. 12, 1998
5747820 Infrared radiation source for a gas analyzer and method for generating infrared radiation May. 5, 1998
5742063 Air sanitizer attachment for air ducts Apr. 21, 1998
5739540 Nuclear medicine diagnostic apparatus Apr. 14, 1998
5729017 Terahertz generators and detectors Mar. 17, 1998
5723871 Process of emitting highly spin-polarized electron beam and semiconductor device therefor Mar. 3, 1998
5691158 System and method for determining efficacy of sunscreen formulations Nov. 25, 1997
5608838 Blackbody type heating element for calibration furnace with pyrolytic graphite coating disposed on end cap electrode members Mar. 4, 1997
5605171 Porous silicon with embedded tritium as a stand-alone prime power source for optoelectronic applications Feb. 25, 1997
5602389 Infrared sensor calibration apparatus using a blackbody Feb. 11, 1997
5602398 Nondispersive infrared radiation source Feb. 11, 1997
5591982 Radiation image storage panel and radiation image recording and reproducing method Jan. 7, 1997
5585641 Large area, surface discharge pumped, vacuum ultraviolet light source Dec. 17, 1996
5563420 Integrated ultraviolet and infrared source with minimal visible radiation Oct. 8, 1996
5528049 Frequency emitter for control of insects Jun. 18, 1996
5523572 Process of emitting highly spin-polarized electron beam and semiconductor device therefor Jun. 4, 1996
5523579 Infrared line source projector Jun. 4, 1996
5521391 Radioactive marker May. 28, 1996
5500054 Superemissive light pipes and photovoltaic systems including same Mar. 19, 1996
5499282 Efficient narrow spectral width soft-X-ray discharge sources Mar. 12, 1996
5483088 Compounds and infrared devices including In.sub.1-x Tl.sub.x Q, where Q is As.sub.1-y P.sub.y and 0.ltoreq.y.ltoreq.1 Jan. 9, 1996
5479025 Boresight thermal reference source Dec. 26, 1995
5466943 Evacuated testing device having calibrated infrared source Nov. 14, 1995
5466943 Evacuated testing device having calibrated infrared source Nov. 14, 1995
5444263 Instrument for the visual recognition of authenticity features in banknotes and security documents Aug. 22, 1995

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