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Class Information
Number: 250/372
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Ultraviolet light responsive means
Description: Subject matter wherein the radiation responsive means responds to ultraviolet light.


Sub-classes under this class:

Class Number Class Name Patents
250/373 With means to transmission-test contained fluent material 204


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
5487872 Ultraviolet radiation transparent multi-assay plates Jan. 30, 1996
5486701 Method and apparatus for measuring reflectance in two wavelength bands to enable determination of thin film thickness Jan. 23, 1996
5471053 Light collector Nov. 28, 1995
5468963 Surveillance system Nov. 21, 1995
5469424 Electronic device utilizing a material capable of storing information which is readable by illumination Nov. 21, 1995
5461234 Method and apparatus for measuring ultrashort laser pulses Oct. 24, 1995
5461226 Photon counting ultraviolet spatial image sensor with microchannel photomultiplying plates Oct. 24, 1995
5450207 Method and apparatus for calibrating a laser wavelength control mechanism Sep. 12, 1995
5445935 Quantitative detection of macromolecules with fluorescent oligonucleotides Aug. 29, 1995
5443793 Atmospheric contaminant detector Aug. 22, 1995
5434419 Process and device for monitoring apparatus for emission of electro-magnetic radiations Jul. 18, 1995
5430448 Object detection system Jul. 4, 1995
5428221 Heat radiation detection system Jun. 27, 1995
5426503 Method of testing a phase shift mask and a testing apparatus used therein in the ultraviolet wavelength range Jun. 20, 1995
5424547 UV curemeter and method Jun. 13, 1995
5424959 Interpretation of fluorescence fingerprints of crude oils and other hydrocarbon mixtures using neural networks Jun. 13, 1995
5418369 System for continuously monitoring curing energy levels within a curing unit May. 23, 1995
5401970 Biological UV-B effect monitoring instrument and method Mar. 28, 1995
5395591 Apparatus of irradiating biological specimens Mar. 7, 1995
5391883 Ozone meter Feb. 21, 1995
5382799 Ultraviolet intensity meter Jan. 17, 1995
5382986 Liquid-crystal sunglasses indicating overexposure to UV-radiation Jan. 17, 1995
5380669 Method of fabricating a two-color detector using LPE crystal growth Jan. 10, 1995
5378896 Harmful solar radiation detection device Jan. 3, 1995
5374825 Digital tanning monitor Dec. 20, 1994
5365068 Sun protection calculator and timer Nov. 15, 1994
RE34783 Method for determining absolute reflectance of a material in the ultraviolet range Nov. 8, 1994
5349194 Microgap ultra-violet detector Sep. 20, 1994
5340976 Bandpass photon detector for inverse photoemission spectroscopy Aug. 23, 1994
5339070 Combined UV/IR flame detection system Aug. 16, 1994
5339151 Spectrometer for lensometer Aug. 16, 1994
5332904 Broadband radiometer Jul. 26, 1994
5331167 Method and apparatus for inspecting heat-resistant multilayer containers made of synthetic resin Jul. 19, 1994
5331169 Surface inspection method and device with irradiation Jul. 19, 1994
5331456 Radiation microscope Jul. 19, 1994
5331168 Reference grade solar ultraviolet band pyranometer Jul. 19, 1994
5326975 Measurement of gas leaks into gas lines of a plasma reactor Jul. 5, 1994
5319969 Method for determining 3-axis spacecraft attitude Jun. 14, 1994
5319968 Apparatus for determining 3-axis space craft attitude Jun. 14, 1994
5311167 UV/IR fire detector with dual wavelength sensing IR channel May. 10, 1994
5306445 Inorganic volumetric light source excited by ultraviolet light Apr. 26, 1994
5306917 Electro-optical system for measuring and analyzing accumulated short-wave and long-wave ultraviolet radiation exposure Apr. 26, 1994
5304807 Method for determining the degradation of fuel oil by UV absorption Apr. 19, 1994
5301051 Multi-channel, covert, non-line-of-sight UV communication Apr. 5, 1994
5296711 Technique for the remote detection of sea slicks Mar. 22, 1994
5296275 Phototranschromic ink Mar. 22, 1994
5288647 Method of irradiating biological specimens Feb. 22, 1994
5281823 Photocell and quick attach clamp Jan. 25, 1994
5264700 Method for telecamera-checking products wrapped with transparent material Nov. 23, 1993
5257013 Protecting UV flame detecting apparatus Oct. 26, 1993

1 2 3 4 5 6 7 8 9 10 11 12


 
 
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