ClassID:

81450

B65H2557/51 - CPC Classification

Classification description:

Means for control not provided for in groups  - ; Use of particular electromagnetic waves, e.g. light, radiowaves or microwaves Laser

Recent Application in this class:
#1
20250026606
2025-01-23

ROLLED PRODUCT WINDING SYSTEM AND METHOD

#2
20210198075
2021-07-01

Device and method for detecting flatness of sheet material

#3
20190302032
2019-10-03

Apparatus and method for tracking defects in sheet materials

#4
20190077624
2019-03-14

Apparatus for winding a web of paper material and a method of removing dust

#5
20180111775
2018-04-26

Splicing device and tape detecting method using the same

#6
20180073861
2018-03-15

Device for determining the quality of a corrugated board web

#7
20180002118
2018-01-04

Method and device for handling individual intermediate layers

#8
20160231252
2016-08-11

Apparatus and method for tracking defects in sheet materials

#9
20160194168
2016-07-07

Multi-feed detection apparatus, sheet conveyance apparatus, and image forming apparatus

#10
20150239181
2015-08-27

Machine for winding a fibrous material enabling alignment and off-centering control by image analysis

#11
20150219566
2015-08-06

System for detecting double-feed flat items

#12
20140361065
2014-12-11

Conveyor and conveying method

#13
20140027046
2014-01-30

Machine for winding a fiber texture onto an impregnation mandrel, and the use of such a machine for making a gas turbine casing out of composite material

#14
20120211142
2012-08-23

Method and apparatus for splicing a paper roll

#15
20120050373
2012-03-01

Recording medium lift detection apparatus and inkjet recording apparatus

#16
20110227985
2011-09-22

Paper floating detection apparatus and inkjet recording apparatus

#17
20110081181
2011-04-07

Image forming apparatus and sheet conveying method that correct for skew of sheet conveyed to image forming unit

#18
20100116975
2010-05-13

Device and method for counting and detecting flat products

#19
20100065762
2010-03-18

Detecting printing plate edge alignment

#20
20090243194
2009-10-01

Sheet feeder

#21
20090242602
2009-10-01

Systems and methods to position web processing equipment

#22
20090101745
2009-04-23

Web tensioning device with improved excursion control

#23
20090057980
2009-03-05

SHEET FEEDER

#24
20090057476
2009-03-05

Method and device for positioning strips and rolls in order to connect same to an unwinding machine

#25
20080036138
2008-02-14

Reflective sheet detector

#26
20070278341
2007-12-06

STRIP CONTINUOUS SUPPLY METHOD AND APPARATUS

#27
20070176040
2007-08-02

Method and apparatus for reeling control having an electromagnetic radiation detection

#28
20070102557
2007-05-10

Winding-up device provided with a radiation source for positioning winding cores

#29
20070102556
2007-05-10

Apparatus and method for measuring roll sidewall quality

#30
20060208414
2006-09-21

In-stack sheet thickness measuring system

#31
20050012263
2005-01-20

Pivotal sheet conveying apparatus for skew correction and image forming apparatus