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Browse by Category: Main > Optical & Optics
Class Information
Number: 356/410
Name: Optics: measuring and testing > By shade or color > Fluid color transmission examination > Of flowing liquids
Description: Subject matter including apparatus which forms part of a liquid circulation system which permits constant or intermittent flow of the liquid being examined, and a support for the liquid contained, and which is constructed to allow light to pass through the contained liquid for a visual or photosensitive examination.










Sub-classes under this class:

Class Number Class Name Patents
356/411 With plural light detectors (e.g., photocells) 72


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8603772 Particle sensor with wide linear range Dec. 10, 2013
8305579 Sequential analysis of biological samples Nov. 6, 2012
8262888 Capillary electrophoresis apparatus Sep. 11, 2012
8263955 Causing relative motion Sep. 11, 2012
8119068 Fluid content monitor Feb. 21, 2012
7911615 Method and apparatus for measuring the color properties of fluids Mar. 22, 2011
7894068 Producing filters with combined transmission and/or reflection functions Feb. 22, 2011
7479625 Sensing photons from object in channels Jan. 20, 2009
7460232 On-line optical analysis of a substance through a conduit section of a process line Dec. 2, 2008
7423751 Systems and methods for use in detecting harmful aerosol particles Sep. 9, 2008
7414255 Drop counter Aug. 19, 2008
7358476 Sensing photons from objects in channels Apr. 15, 2008
7339674 Apparatus and method for changing the color of a flow of fluid Mar. 4, 2008
7291824 Photosensing throughout energy range and in subranges Nov. 6, 2007
7248363 Particle size analyzer Jul. 24, 2007
7230687 Blood leak detector for extracorporeal treatment system Jun. 12, 2007
7113280 Dye detection method and apparatus Sep. 26, 2006
7027147 Method and apparatus for measuring the color properties of fluids Apr. 11, 2006
6992768 Optical fluid analysis signal refinement Jan. 31, 2006
6867861 Method and apparatus for characterizing the color properties of fluids Mar. 15, 2005
6813017 Apparatus and method employing incoherent light emitting semiconductor devices as particle detection light sources in a flow cytometer Nov. 2, 2004
6678052 On-line system for measuring properties of a product Jan. 13, 2004
6657718 Measuring cell for liquids Dec. 2, 2003
6636304 Laser induced fluorescence capillary interface Oct. 21, 2003
6628394 Optical gasket system Sep. 30, 2003
6508109 Method and device for measurement of pulsating milk flow Jan. 21, 2003
6288783 Fluid analysis system and method, for analyzing characteristic properties of a fluid Sep. 11, 2001
6239871 Laser induced fluorescence capillary interface May. 29, 2001
6208880 Blood parameter measurement device Mar. 27, 2001
6184990 Miniature multiple wavelength excitation and emission optical system and method for laser-induced fluorescence detectors in capillary electrophoresis Feb. 6, 2001
6174447 Process and devices for fluid separation of whole blood as a mixture of liquids into individual, differently-colored blood constituents, in particular for separation of concentrated thrombocyt Jan. 16, 2001
6130743 Colorimetric red blood cell sensor Oct. 10, 2000
5949549 Colorimeter with a beamsplitting prism Sep. 7, 1999
5916449 Method and arrangement for monitoring a separating liquid stream Jun. 29, 1999
5757482 Module for optical detection in microscale fluidic analyses May. 26, 1998
5724882 Brewed beverage maker with optical feedback system Mar. 10, 1998
5717494 Method of optically measuring liquid in porous material Feb. 10, 1998
5661558 Optical detector for flowing sample and optical detection method for flowing sample Aug. 26, 1997
5650846 Microcolumnar analytical system with optical fiber sensor Jul. 22, 1997
5644402 Device for detecting a conduit and for determining at least one characteristic of its content Jul. 1, 1997
5638171 Spectrophotometer with self-contained module Jun. 10, 1997
5599502 Liquid moving apparatus and measuring apparatus utilizing the same Feb. 4, 1997
5572328 Optical detector including Bragg waveguide structure Nov. 5, 1996
5568266 Colorimeter and colorimetrical control device Oct. 22, 1996
5550053 Method of calibrating an automatic chemical analyzer Aug. 27, 1996
5528521 Titration emulation system and method Jun. 18, 1996
5521384 Flow cell May. 28, 1996
5424840 In situ chlorophyl absorption meter Jun. 13, 1995
5408313 Optical interface coupler and system for photometric analysis Apr. 18, 1995
5408326 Dual-wavelength absorption detector adapted for continuous-flow detection Apr. 18, 1995

1 2 3










 
 
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