Inventor · disambiguated record
Heikki Ilvespaa
Also filed as: ILVESPAA HEIKKI · ILVESPAAE HEIKKI · ILVESPAE HEIKKI · ILVESPAEAE HEIKKI
17 granted patents·526 citations·filing 1989–1999
95Inventor score
Top patents by PatentIndex Score
17 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
- 0293US5022163AMethod and device for drawing a web through a group of drying cylindersVALMET PAPER MACHINERY INC·Filed 1989·Granted Jun 11, 1991·61 cites·10 claims
- 0390US5416980AMethod and apparatus for reduction of curling of paper in the drying section of a paper machineVALMET PAPER MACHINERY INC·Filed 1991·Granted May 23, 1995·74 cites·25 claims
- 0490US4923567AGuiding an end conduction strip of a web forwardly from a rollVALMET PAPER MACHINERY INC·Filed 1989·Granted May 8, 1990·45 cites·29 claims
- 0587US5397438AMethod and device for reduction and equalization of transverse shrinkage of paper in single-wire draw in a drying sectionVALMET PAPER MACHINERY INC·Filed 1993·Granted Mar 14, 1995·49 cites·9 claims
- 0678US6004430AMethod and device for enhancing the run of a paper web in a paper machineFiled 1998·Granted Dec 21, 1999·29 cites·31 claims
- 0778US4972608AMulti-cylinder dryer for a paper machine with supported draw of webVALMET PAPER MACHINERY INC·Filed 1989·Granted Nov 27, 1990·30 cites·5 claims
- 0870US5756156AMethod for producing surface-treated paper and dry end of a paper machineVALMET CORP·Filed 1996·Granted May 26, 1998·22 cites·37 claims
- 0962US5653041ADrying method and drying module as well as dryer sections that make use of same, in particular for a high-speed paper machineVALMET CORP·Filed 1994·Granted Aug 5, 1997·15 cites·24 claims
- 1055US5172491AMethod and device for drawing a web through a group of drying cylindersVALMET PAPER MACHINERY INC·Filed 1990·Granted Dec 22, 1992·13 cites·14 claims
- 1149US5837101ADevice for threading a paper webVALMET CORP·Filed 1996·Granted Nov 17, 1998·8 cites·18 claims
- 1248US6193840B1Method for producing surface-treated paperVALMET CORP·Filed 1999·Granted Feb 27, 2001·7 cites·12 claims
- 1348US5593546AHybrid former with an MB unit in a paper machineVALMET CORP·Filed 1995·Granted Jan 14, 1997·9 cites·20 claims
- 1447US5044094ADrying section apparatus for a paper making machineVALMET PAPER MACHINERY INC·Filed 1990·Granted Sep 3, 1991·10 cites·6 claims
- 1545US6126787ADry end of a paper machineVALMET CORP·Filed 1998·Granted Oct 3, 2000·6 cites·11 claims
- 1643US5024729ASuction roll with turbulence suppression elementVALMET PAPER MACHINERY INC·Filed 1990·Granted Jun 18, 1991·9 cites·6 claims
- 1741US6849159B1Device and method in the transfer of the paper board web in the paper or board machineMETSO PAPER INC·Filed 1998·Granted Feb 1, 2005·4 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →