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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 5404217 |
Laser liquid flow cell manifold system and method for assembly |
Apr. 4, 1995 |
| 5370842 |
Sample measuring device and sample measuring system |
Dec. 6, 1994 |
| 5369483 |
Analysis of polymer melt stream |
Nov. 29, 1994 |
| 5310526 |
Chemical sensor |
May. 10, 1994 |
| 5307146 |
Dual-wavelength photometer and fiber optic sensor probe |
Apr. 26, 1994 |
| 5303021 |
Optical detector for capillary chromatography |
Apr. 12, 1994 |
| 5290520 |
Analytic separation arrangement and method for the analysis of chemical samples |
Mar. 1, 1994 |
| 5287168 |
Sensor for monitoring solute in a liquid stream |
Feb. 15, 1994 |
| 5239360 |
Lens for capillary electrophoresis and chromatography |
Aug. 24, 1993 |
| 5230863 |
Method of calibrating an automatic chemical analyzer |
Jul. 27, 1993 |
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