Assignee
VALMET CORP
FI349 patents
Top patents by PatentIndex Score
US5865955AFeb 2, 1999
Method and device for enhancing the run of a paper web in a paper machine
VALMET CORP135 citations97
US6119362ASep 19, 2000
Arrangements for impingement drying and/or through-drying of a paper or material web
VALMET CORP72 citations95
US5968590AOct 19, 1999
Method for drying a surface-treated paper web in an after-dryer of a paper machine and after-dryer of a paper machine
VALMET CORP66 citations95
US5825653AOct 20, 1998
Method for overall regulation of a former of a paper machine or equivalent
VALMET CORP72 citations95
US5531396AJul 2, 1996
Method and device for reeling a paper or board web in a drum reel-up or equivalent
VALMET CORP86 citations95
US6164198ADec 26, 2000
Apparatus for calendering paper
VALMET CORP32 citations94
US6063449AMay 16, 2000
Method and apparatus for coating a moving paper or cardboard web
VALMET CORP65 citations94
US6228148B1May 8, 2001
Method for separating particles from an air flow
VALMET CORP82 citations93
US6001421ADec 14, 1999
Method for drying paper and a dry end of a paper machine
VALMET CORP86 citations93
US5876565AMar 2, 1999
Press section with an equalizing nip for compensating for elongation of a paper web
VALMET CORP29 citations93
US5865954AFeb 2, 1999
Method for dewatering a web in a paper making machine employing an extended nip press
VALMET CORP19 citations93
US5810974ASep 22, 1998
Press section including an extended-nip press with an internally heated center roll
VALMET CORP21 citations93
US6395137B1May 28, 2002
Seal construction for a suction box in a suction roll in a paper/board machine
VALMET CORP21 citations92
US6158501ADec 12, 2000
Thermally insulated roll and insulation assembly for a thermoroll
VALMET CORP21 citations92
US6070655AJun 6, 2000
Heat exchanger
VALMET CORP26 citations92
US5971315AOct 26, 1999
Method for determining the quality of reeling or winding and for controlling the reeling or winding
VALMET CORP35 citations92
US5864963AFeb 2, 1999
Arrangement for removing condensate from a cylinder and method for regulating the removal of condensate from a cylinder
VALMET CORP22 citations92
US5849321ADec 15, 1998
Method and apparatus for spray-coating a paper or board web
VALMET CORP27 citations92
US5845415ADec 8, 1998
Method for impingement drying and/or through-drying of a paper or material web
VALMET CORP27 citations92
US5814191ASep 29, 1998
Arrangement and method for combining a dilution flow with a stock flow passed out of an inlet header in a paper/board machine
VALMET CORP23 citations92
US5812404ASep 22, 1998
Method for overall regulation of the headbox of a paper machine or equivalent
VALMET CORP48 citations92
US5782426AJul 21, 1998
Method and device for reeling a paper or board web
VALMET CORP28 citations92
US5746889AMay 5, 1998
Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox
VALMET CORP20 citations92
US5709355AJan 20, 1998
Splicing device for a continuous unwind stand
VALMET CORP28 citations92
US5639351AJun 17, 1997
Press section of a paper machine, in particular for printing paper qualities
VALMET CORP22 citations92
US5630285AMay 20, 1997
Methods for drying a paper web
VALMET CORP18 citations92
US5626722AMay 6, 1997
Headbox of a paper/board machine
VALMET CORP21 citations92
US5622267AApr 22, 1997
Method and pressure screen for screening fibre suspension
VALMET CORP20 citations92
US5620566AApr 15, 1997
Extended nip prepress for a paper web
VALMET CORP30 citations92
US5594997AJan 21, 1997
Apparatus for drying a fibre web, and a drying section of a paper machine
VALMET CORP28 citations92
US5580424ADec 3, 1996
Apparatus and method for sealing a suction box of a suction roll in a paper machine
VALMET CORP41 citations92
US5575084ANov 19, 1996
Method and device for drying or cooling a paper web
VALMET CORP29 citations92
US4208575AJun 17, 1980
Credit card or check validator
VALMET CORP45 citations92
US6200248B1Mar 13, 2001
Roll for a paper or board machine
VALMET CORP25 citations91
US6106902AAug 22, 2000
Method and apparatus for coating a moving paper or cardboard web
VALMET CORP40 citations91
US5918830AJul 6, 1999
Reeling device and method in reeling of a paper web or equivalent
VALMET CORP56 citations91
US5800679ASep 1, 1998
Device in a paper machine or in a finishing device of a paper machine for removing dust
VALMET CORP34 citations91
US5798024AAug 25, 1998
Controlling web anistropy in a roll and blade twin-wire gap former
VALMET CORP26 citations91
US5762761AJun 9, 1998
Press section of a paper machine employing two separate press nips
VALMET CORP20 citations91
US5732902AMar 31, 1998
Method and device in winding of a web
VALMET CORP18 citations91
US5650049AJul 22, 1997
Press section of a paper machine employing two separate press nips
VALMET CORP19 citations91
US6322666B1Nov 27, 2001
Regulation system and method in a paper machine
VALMET CORP29 citations90
US6158333ADec 12, 2000
Method and apparatus for calendering paper
VALMET CORP23 citations90
US6148831ANov 21, 2000
Method for cleaning a web
VALMET CORP36 citations90
US6038789AMar 21, 2000
Method for controlling the curl of paper and a paper or board machine line that applies the method
VALMET CORP32 citations90
US5944957AAug 31, 1999
Regulations system in a paper machine for controlling variation of the basis weight of the paper in the machine direction
VALMET CORP18 citations90
US5639350AJun 17, 1997
Method of and apparatus for cutting a lead-in strip of paper web
VALMET CORP19 citations90
US5611893AMar 18, 1997
Device for dewatering of a paper web including prepressing with extended nip shoe
VALMET CORP45 citations90
US5549154AAug 27, 1996
Method for heating a roll and a heatable roll
VALMET CORP34 citations90
US6217940B1Apr 17, 2001
Method and apparatus for coating a moving paperboard web
VALMET CORP28 citations89
Showing the top 50 of 349 patents by PatentIndex Score.