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Browse by Category: Main > Optical & Optics
Class Information
Number: 356/426
Name: Optics: measuring and testing > By inspection with agitation or rotation
Description: Subject matter wherein there is apparatus to inspect articles of manufacture, including containers and contained fluids for foreign particles such as dirt, and which includes means to support and rotate, agitate, or otherwise move the containers or the fluid contents to cause motion of the article or of the particles in the fluid contents as part of the test procedure and not as a condition of transporting the article to and from the test location; and means to illuminate the article so that the illumination may be transmitted through the articles, containers or contained fluid or reflected from the article or container, or transmitted around portions of an article for the purpose of testing for defects, blemishes, flaws or any other type of imperfection.










Sub-classes under this class:

Class Number Class Name Patents
356/427 Of container contents 193
356/428 Of containers 101


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8701512 Cell for testing microbeads and method of analyzing microbeads Apr. 22, 2014
8599370 Polarized light defect detection in pupil images Dec. 3, 2013
8537359 Object detector apparatus and method Sep. 17, 2013
8520193 Rapid irradiation test for granulates Aug. 27, 2013
8493557 Surface inspecting apparatus and surface inspecting method Jul. 23, 2013
8355129 Device and method to measure bulk unconfined yield strength of powders using minimal material Jan. 15, 2013
8263955 Causing relative motion Sep. 11, 2012
8064730 Device manufacturing method, orientation determination method and lithographic apparatus Nov. 22, 2011
7997847 Automated robotic system for handling surgical instruments Aug. 16, 2011
8000515 Automatic detection of coating flaws Aug. 16, 2011
7957008 Optical-type rotational body position detection apparatus Jun. 7, 2011
7710571 Optical membrane formation system and method May. 4, 2010
7689003 Combined 2D and 3D nondestructive examination Mar. 30, 2010
7684054 Profile inspection system for threaded and axial components Mar. 23, 2010
7667827 Systems and methods for remote monitoring of vibrations in machines Feb. 23, 2010
7580137 Method and apparatus for determining one or more physical properties of a rolled smoking article or filter rod Aug. 25, 2009
7274812 Image processing device and method Sep. 25, 2007
7064314 Concrete-dispensing counter for ready mix trucks Jun. 20, 2006
7057718 Device and method for inspecting the transparent bottoms of bottles Jun. 6, 2006
6984526 Spectrophotometric method for determining the viability of a sample containing platelets Jan. 10, 2006
6775013 Method and apparatus for measuring displacement or motion error Aug. 10, 2004
6653152 Sensor disk having radial grooves and optical assaying method using same Nov. 25, 2003
6586172 Device for treatment of biological fluids Jul. 1, 2003
6468807 Mixing method Oct. 22, 2002
6441890 Method and apparatus for timing intermittent illumination of a sample tube positioned on a centrifuge platen and for calibrating a sample tube-imaging system Aug. 27, 2002
6388740 Method and apparatus for timing intermittent illumination of a sample tube positioned on a centrifuge platen and for calibrating a sample tube imaging system May. 14, 2002
6326213 Acoustic standing-wave enhancement of a fiber-optic Salmonella biosensor Dec. 4, 2001
6317209 Automated system for measurement of an optical property Nov. 13, 2001
6306670 Tool for handling a workpiece Oct. 23, 2001
6300142 Device and apparatus for conducting an assay Oct. 9, 2001
6277653 Optical assaying method and system having movable sensor with multiple sensing regions Aug. 21, 2001
6245578 Analytical apparatus Jun. 12, 2001
6242267 Oscillation apparatus and methods for multi-analyte homogeneous fluoro-immunoassays Jun. 5, 2001
6091503 Method for determining mechanical property of resin discs and optical discs Jul. 18, 2000
6064475 Real time local defocus monitor system using maximum and mean angles of focus correction May. 16, 2000
6049388 Spectroscopic fluid sample cell Apr. 11, 2000
6031933 Method and apparatus for inspecting the outer appearance of a golf ball Feb. 29, 2000
6025906 Methods and apparatus for detecting core/cladding interfaces in optical waveguide blanks Feb. 15, 2000
5994150 Optical assaying method and system having rotatable sensor disk with multiple sensing regions Nov. 30, 1999
5978091 Laser-bump sensor method and apparatus Nov. 2, 1999
5923431 Spectroscopic helical separator and fluid sample interface Jul. 13, 1999
5854682 Method and apparatus for surface pressure mapping of rotating objects by synchronized optical imaging of luminescent coating Dec. 29, 1998
5838447 Polishing apparatus including thickness or flatness detector Nov. 17, 1998
5825409 Flexible disk mode observer Oct. 20, 1998
5786898 Structure and method for centrifugal sedimentation particle size analysis of particles of lower density than their suspension medium Jul. 28, 1998
5770462 Analytical apparatus Jun. 23, 1998
5703687 Method and apparatus for inspecting the outer appearance of a spherical article Dec. 30, 1997
5612787 Striation monitor and display system and method Mar. 18, 1997
5602646 Optical method and device for automatically classifying cylindrical nuclear-fuel pellets Feb. 11, 1997
5592295 Apparatus and method for semiconductor wafer edge inspection Jan. 7, 1997

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