Assignee
VALMET CORP
FI·349 granted patents·2 pending applications·4,666 citations·filing 1979–2003
Top patents by PatentIndex Score
351 records- 0196US5865955AMethod and device for enhancing the run of a paper web in a paper machineVALMET CORP·Filed 1996·Granted Feb 2, 1999·135 cites·37 claims
- 0296US5531396AMethod and device for reeling a paper or board web in a drum reel-up or equivalentVALMET CORP·Filed 1994·Granted Jul 2, 1996·86 cites·20 claims
- 0391US6119362AArrangements for impingement drying and/or through-drying of a paper or material webVALMET CORP·Filed 1998·Granted Sep 19, 2000·72 cites·23 claims
- 0490US6001421AMethod for drying paper and a dry end of a paper machineVALMET CORP·Filed 1997·Granted Dec 14, 1999·86 cites·34 claims
- 0590US5968590AMethod for drying a surface-treated paper web in an after-dryer of a paper machine and after-dryer of a paper machineVALMET CORP·Filed 1997·Granted Oct 19, 1999·66 cites·26 claims
- 0689US5918830AReeling device and method in reeling of a paper web or equivalentVALMET CORP·Filed 1998·Granted Jul 6, 1999·56 cites·29 claims
- 0789US5649448ASystem for overall control of different transverse profiles in a paper web manufactured in a board of paper machine and/or treated in a finishing machineVALMET CORP·Filed 1995·Granted Jul 22, 1997·48 cites·18 claims
- 0888US6228148B1Method for separating particles from an air flowVALMET CORP·Filed 1999·Granted May 8, 2001·82 cites·12 claims
- 0988US6063449AMethod and apparatus for coating a moving paper or cardboard webVALMET CORP·Filed 1996·Granted May 16, 2000·65 cites·21 claims
- 1085US6164198AApparatus for calendering paperVALMET CORP·Filed 1998·Granted Dec 26, 2000·32 cites·10 claims
- 1185US5971315AMethod for determining the quality of reeling or winding and for controlling the reeling or windingVALMET CORP·Filed 1998·Granted Oct 26, 1999·35 cites·25 claims
- 1285US5611893ADevice for dewatering of a paper web including prepressing with extended nip shoeVALMET CORP·Filed 1995·Granted Mar 18, 1997·45 cites·16 claims
- 1385US5580424AApparatus and method for sealing a suction box of a suction roll in a paper machineVALMET CORP·Filed 1994·Granted Dec 3, 1996·41 cites·23 claims
- 1484US5524532AMethod and apparatus for calendering a paper or board webVALMET CORP·Filed 1994·Granted Jun 11, 1996·37 cites·29 claims
- 1583US5825653AMethod for overall regulation of a former of a paper machine or equivalentVALMET CORP·Filed 1997·Granted Oct 20, 1998·72 cites·24 claims
- 1682US5620566AExtended nip prepress for a paper webVALMET CORP·Filed 1995·Granted Apr 15, 1997·30 cites·20 claims
- 1782US4208575ACredit card or check validatorVALMET CORP·Filed 1979·Granted Jun 17, 1980·45 cites·39 claims
- 1881US6148831AMethod for cleaning a webVALMET CORP·Filed 1998·Granted Nov 21, 2000·36 cites·15 claims
- 1980US6368462B1Headbox for a paper or board making machineVALMET CORP·Filed 2000·Granted Apr 9, 2002·18 cites·10 claims
- 2080US6030499AMethod and apparatus in a paper or board machine for dewatering the webVALMET CORP·Filed 1998·Granted Feb 29, 2000·34 cites·11 claims
- 2179US6200248B1Roll for a paper or board machineVALMET CORP·Filed 1998·Granted Mar 13, 2001·25 cites·9 claims
- 2279US6154981AMethod and apparatus for improving the drying capacity of a hood covering a yankee cylinderVALMET CORP·Filed 1999·Granted Dec 5, 2000·30 cites·24 claims
- 2379US6106902AMethod and apparatus for coating a moving paper or cardboard webVALMET CORP·Filed 1996·Granted Aug 22, 2000·40 cites·54 claims
- 2479US6038789AMethod for controlling the curl of paper and a paper or board machine line that applies the methodVALMET CORP·Filed 1998·Granted Mar 21, 2000·32 cites·42 claims
- 2579US5876565APress section with an equalizing nip for compensating for elongation of a paper webVALMET CORP·Filed 1997·Granted Mar 2, 1999·29 cites·21 claims
- 2679US5782426AMethod and device for reeling a paper or board webVALMET CORP·Filed 1996·Granted Jul 21, 1998·28 cites·20 claims
- 2779US5709355ASplicing device for a continuous unwind standVALMET CORP·Filed 1995·Granted Jan 20, 1998·28 cites·22 claims
- 2878US5800679ADevice in a paper machine or in a finishing device of a paper machine for removing dustVALMET CORP·Filed 1996·Granted Sep 1, 1998·34 cites·16 claims
- 2978US5594997AApparatus for drying a fibre web, and a drying section of a paper machineVALMET CORP·Filed 1996·Granted Jan 21, 1997·28 cites·6 claims
- 3078US5575084AMethod and device for drying or cooling a paper webVALMET CORP·Filed 1995·Granted Nov 19, 1996·29 cites·9 claims
- 3177US5845415AMethod for impingement drying and/or through-drying of a paper or material webVALMET CORP·Filed 1997·Granted Dec 8, 1998·27 cites·21 claims
- 3277US5535527AMethod and arrangement in a multi-cylinder dryer of a paper machineVALMET CORP·Filed 1995·Granted Jul 16, 1996·31 cites·30 claims
- 3376US6322666B1Regulation system and method in a paper machineVALMET CORP·Filed 1999·Granted Nov 27, 2001·29 cites·20 claims
- 3476US6083352AShoe pressVALMET CORP·Filed 1998·Granted Jul 4, 2000·27 cites·29 claims
- 3576US5549154AMethod for heating a roll and a heatable rollVALMET CORP·Filed 1995·Granted Aug 27, 1996·34 cites·7 claims
- 3675US6158333AMethod and apparatus for calendering paperVALMET CORP·Filed 1998·Granted Dec 12, 2000·23 cites·18 claims
- 3775US5842664AMethod and device for threading a paper web or an equivalent web-like material in a winding device, in particular in a slitter-winderVALMET CORP·Filed 1997·Granted Dec 1, 1998·26 cites·18 claims
- 3875US5630285AMethods for drying a paper webVALMET CORP·Filed 1996·Granted May 20, 1997·18 cites·25 claims
- 3974US5960608AMethod and apparatus for placing inner headers onto the ends of paper rollsVALMET CORP·Filed 1997·Granted Oct 5, 1999·35 cites·18 claims
- 4074US5814191AArrangement and method for combining a dilution flow with a stock flow passed out of an inlet header in a paper/board machineVALMET CORP·Filed 1997·Granted Sep 29, 1998·23 cites·23 claims
- 4174US5812404AMethod for overall regulation of the headbox of a paper machine or equivalentVALMET CORP·Filed 1996·Granted Sep 22, 1998·48 cites·27 claims
- 4274US5798024AControlling web anistropy in a roll and blade twin-wire gap formerVALMET CORP·Filed 1996·Granted Aug 25, 1998·26 cites·20 claims
- 4374US5639351APress section of a paper machine, in particular for printing paper qualitiesVALMET CORP·Filed 1994·Granted Jun 17, 1997·22 cites·15 claims
- 4474US5622267AMethod and pressure screen for screening fibre suspensionVALMET CORP·Filed 1994·Granted Apr 22, 1997·20 cites·15 claims
- 4573US6558456B2Apparatus for controlling mist and dust in the manufacture and finishing of paper and boardVALMET CORP·Filed 2002·Granted May 6, 2003·8 cites·13 claims
- 4673US6138380AMethod and apparatus for controlling the temperature in a paper machineVALMET CORP·Filed 1999·Granted Oct 31, 2000·25 cites·36 claims
- 4772US5865954AMethod for dewatering a web in a paper making machine employing an extended nip pressVALMET CORP·Filed 1997·Granted Feb 2, 1999·19 cites·7 claims
- 4872US5762761APress section of a paper machine employing two separate press nipsVALMET CORP·Filed 1996·Granted Jun 9, 1998·20 cites·10 claims
- 4971US6395137B1Seal construction for a suction box in a suction roll in a paper/board machineVALMET CORP·Filed 1997·Granted May 28, 2002·21 cites·13 claims
- 5071US6284100B1Method and apparatus for controlling a headbox in a paper machineVALMET CORP·Filed 1998·Granted Sep 4, 2001·19 cites·4 claims
Showing the top 50 of 351 patent records by PatentIndex Score.
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →