G01N2021/8681 - CPC Classification Index

ClassID:

168153 ⎘

G01N2021/8681 - CPC Classification

Classification description:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems specially adapted for particular applications; Investigating moving sheets; Paper, e.g. gloss, moisture content Paper fibre orientation

Recent Application in this class:

20230125911

2023-04-27

METHOD AND APPARATUS FOR DETERMINING THE FIBER ORIENTATION

20110026026

2011-02-03

Apparatus for characterizing fibrous materials using stokes parameters

20100219343

2010-09-02

Methods and apparatus for determining fibre orientation

20100020168

2010-01-28

METHOD AND EQUIPMENT FOR MEASUREMENT OF INTACT PULP FIBERS

20090101297

2009-04-23

Method for characterizing fibrous materials using stokes parameters

20080246971

2008-10-09

Methods for using light reflection patterns to determine diving angle of grain

20080013818

2008-01-17

Method and apparatus for measuring the crepe of a moving sheet

20070091313

2007-04-26

Orientation meter

20070035733

2007-02-15

Sheet-surface analyser and method of analysing a sheet-surface

#10

20060255300

2006-11-16

Measuring fiber orientation by detecting dispersion of polarized light

#11

20060237156

2006-10-26

Method and apparatus for measuring fiber orientation of a moving web

#12

20050122514

2005-06-09

Circularly polarized light method and device for determining wall thickness and orientations of fibrils of cellulosic fibres

#13

20050004956

2005-01-06

Optical method for evaluating surface and physical properties of structures made wholly or partially from fibers, films, polymers or a combination thereof