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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 250/364
Name: Radiant energy > Invisible radiant energy responsive electric signalling > With or including a luminophor > With radiant energy source > With fluent source handling or collecting means
Description: Subject matter under subclasses 363.01+ in which the means that irradiates is either a fluid or gas or particles suspended in either a fluid or gas medium and means are provided to either conduct or hold the fluent source.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7397036 Apparatus and method for measuring the signal from a fluorescing nanodrop contained by surface tension Jul. 8, 2008
7354553 Method and apparatus for detecting the presence of elemental mercury in a gas sample Apr. 8, 2008
7206376 Fluid density measurement Apr. 17, 2007
6953937 Method and apparatus for the detection of neutrons and gamma rays Oct. 11, 2005
6855270 Nanoscintillation systems for aqueous-based liquid scintillation counting Feb. 15, 2005
6700125 Radioactive dust monitor Mar. 2, 2004
6674082 Monitoring emissions Jan. 6, 2004
6492642 Method for identifying radionuclides in probes using a liquid scintillation sensor Dec. 10, 2002
6303936 Extraction-scintillation medium and method of use Oct. 16, 2001
6229146 Position sensitive radioactivity detection for gas and liquid chromatography May. 8, 2001
6139749 Method for radioactive species analysis using a self-scintillating sheet material Oct. 31, 2000
5952655 Ultra-high sensitivity radiation detection apparatus and method Sep. 14, 1999
5952238 Method of assaying specimen substance by controlling dose of chemiluminescence Sep. 14, 1999
5856670 Continuous sample detector with multiple cells Jan. 5, 1999
5793046 Active cladding scintillating-fiber radiation detector Aug. 11, 1998
5783828 Apparatus and method for tritium measurement by gas scintillation Jul. 21, 1998
5726452 Cell for the analysis of radioactive liquids by an overhanging detector Mar. 10, 1998
5559324 Continuous sample detector with standard Sep. 24, 1996
5483070 Scintillation counter Jan. 9, 1996
5449921 Method and apparatus for determining .beta.-ray emitters Sep. 12, 1995
5416329 Apparatus for counting liquid scintillation samples May. 16, 1995
5412216 Method and apparatus for identifying a radionuclide in a liquid scintillation sample May. 2, 1995
5410155 Scintillation counting medium and process Apr. 25, 1995
5367170 Method for measuring samples with liquid scintillation counting and a counter Nov. 22, 1994
5357114 Method for use in liquid scintillation counting for detecting, recording and analyzing scintillation phenomena Oct. 18, 1994
5354996 Metal ion monitoring system Oct. 11, 1994
5329123 Method and a device for preventing optical crosstalk between liquid scintillation samples deposited on transculcent sample plates Jul. 12, 1994
5324943 Method for scintillation counting and a scintillation counter with adjustable coincidence resolving time Jun. 28, 1994
5319436 Microplate farming wells with transparent bottom walls for assays using light measurements Jun. 7, 1994
5313064 Solid-liquid reversible scintillator and method of using the same May. 17, 1994
5298753 Arrangement for counting liquid scintillation samples on bottom-window multi-well sample plates Mar. 29, 1994
5294795 Arrangement for counting liquid scintillation samples on multi-well filtration plates Mar. 15, 1994
5290513 Radiation measuring device, particularly for luminescence measurements Mar. 1, 1994
5278415 Method of producing standardization samples for liquid scintillation counting quench curve and a foil Jan. 11, 1994
5276332 Apparatus for measuring the .alpha. activity of a solution Jan. 4, 1994
5268301 Method for filtration assaying of isotope-labelled particulate samples Dec. 7, 1993
5266808 Particle detector and method using a helical array of scintillators Nov. 30, 1993
5235190 Continuous air monitoring system Aug. 10, 1993
5229604 Self-filling and self-purging apparatus for detecting spontaneous radiation from substances in fluids Jul. 20, 1993
5225680 Method for correcting measuring values when measuring liquid scintillation samples deposited on sample plates Jul. 6, 1993
5210419 Method for liquid scintillation counting of radioactive nuclides May. 11, 1993
5198670 Scintillation counting system for in-situ measurement of radioactive samples in a multiple-well plate Mar. 30, 1993
5198364 Method for performing liquid scintillation counting and detection material Mar. 30, 1993
5194735 Method for evaluating sample activities in a multidetector liquid scintillation counter Mar. 16, 1993
5173607 Method for the correction of a counting error in liquid scintillation counting Dec. 22, 1992
5171997 Method for the correction of an error caused by variations in the sample volume in a liquid scintillation counter Dec. 15, 1992
5155364 Solid-liquid reversible scintillator and method of using the same Oct. 13, 1992
5146093 Liquid scintillation measurement system with active guard shield Sep. 8, 1992
5144136 Device for simultaneously measuring particle or quantum beams from many samples at once Sep. 1, 1992
5143066 Optical fiber sensors for continuous monitoring of biochemicals and related method Sep. 1, 1992

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