Inventor · disambiguated record
Jorma Laapotti
Also filed as: LAAPOTTI JORMA · LAAPOTTI JORMA TAPIO
44 granted patents·2 pending applications·1,102 citations·filing 1983–2007
98Inventor score
Top patents by PatentIndex Score
46 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
- 0295US4976821APress section with separate press zones in a paper machineVALMET OY·Filed 1989·Granted Dec 11, 1990·78 cites·19 claims
- 0394US4976820AMethod for hot-pressing of a webVALMET PAPER MACHINERY INC·Filed 1988·Granted Dec 11, 1990·67 cites·17 claims
- 0493US4576682ALong-nip press for a paper making machineVALMET OY·Filed 1984·Granted Mar 18, 1986·71 cites·8 claims
- 0591US4568423AApparatus with a long press zone in the press treatment of a webVALMET OY·Filed 1983·Granted Feb 4, 1986·59 cites·10 claims
- 0689US5043046AExtended nip-pressVALMET PAPER MACHINERY INC·Filed 1990·Granted Aug 27, 1991·56 cites·17 claims
- 0788US4919759AControl of detachment of a paper web from a roll using heatVALMET PAPER MACHINERY INC·Filed 1988·Granted Apr 24, 1990·43 cites·23 claims
- 0887US4526655APress section with separate press nips in a paper machineVALMET OY·Filed 1983·Granted Jul 2, 1985·48 cites·14 claims
- 0985US5611893ADevice for dewatering of a paper web including prepressing with extended nip shoeVALMET CORP·Filed 1995·Granted Mar 18, 1997·45 cites·16 claims
- 1079US5876565APress section with an equalizing nip for compensating for elongation of a paper webVALMET CORP·Filed 1997·Granted Mar 2, 1999·29 cites·21 claims
- 1179US5240563ACompact press section with closed draw of the web in a paper machineVALMET PAPER MACHINERY INC·Filed 1992·Granted Aug 31, 1993·31 cites·20 claims
- 1279US4931143APress section with separate press nips in a paper machineVALMET OY·Filed 1985·Granted Jun 5, 1990·31 cites·7 claims
- 1378US6004430AMethod and device for enhancing the run of a paper web in a paper machineFiled 1998·Granted Dec 21, 1999·29 cites·31 claims
- 1477US6730192B1Method and machine for manufacturing printing paper or paperboardMETSO PAPER INC·Filed 2000·Granted May 4, 2004·12 cites·30 claims
- 1577US4586984APress section for a fibrous webVALMET OY·Filed 1984·Granted May 6, 1986·27 cites·19 claims
- 1674US5496442AMethod and apparatus for opening a nip in an extended-nip pressVALMET PAPER MACHINERY INC·Filed 1994·Granted Mar 5, 1996·24 cites·19 claims
- 1772US5865954AMethod 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
- 1871US5810974APress section including an extended-nip press with an internally heated center rollVALMET CORP·Filed 1996·Granted Sep 22, 1998·21 cites·29 claims
- 1970US5120400AHeating method and device in a paper machine press section provided with a separate pressVALMET PAPER MACHINERY INC·Filed 1991·Granted Jun 9, 1992·21 cites·19 claims
- 2069US6533900B2Device in a paper machine for transfer of the web from the former section to the press sectionMETSO PAPER INC·Filed 2001·Granted Mar 18, 2003·7 cites·4 claims
- 2168US6916404B2Method and apparatus for web threading in a drying section of a paper machine or similarMETSO PAPER INC·Filed 2001·Granted Jul 12, 2005·7 cites·19 claims
- 2268US5888354ATransfer of a web in a paper machine from a two-felt press nip to a dryer sectionVALMET CORP·Filed 1997·Granted Mar 30, 1999·14 cites·15 claims
- 2366US5868904APress section employing an extended nip press with suction counter rollVALMET CORP·Filed 1997·Granted Feb 9, 1999·15 cites·31 claims
- 2465US5908536AMethod and machine for removing water from a paper or board web by pressingVALMET CORP·Filed 1997·Granted Jun 1, 1999·17 cites·23 claims
- 2563US5951821AArrangement and method for transferring a web in a paper machine from a two-felt press nip to a dryer sectionVALMET CORP·Filed 1998·Granted Sep 14, 1999·11 cites·20 claims
- 2663US4919762APress section and press section/frame construction combination in a paper machineVALMET PAPER MACHINERY INC·Filed 1988·Granted Apr 24, 1990·18 cites·20 claims
- 2761US6432273B1Former-press section in a paper machine and method for transfer of the web from the former to the press sectionMETSO PAPER INC·Filed 1999·Granted Aug 13, 2002·14 cites·13 claims
- 2859US6372090B1Method and apparatus for handling paper or cardboard websVALMET CORP·Filed 1999·Granted Apr 16, 2002·12 cites·26 claims
- 2959US5534116ACompact press section with closed draw of the web in a paper machineVALMET PAPER MACHINERY INC·Filed 1994·Granted Jul 9, 1996·13 cites·17 claims
- 3059US5393383ACompact press section with closed draw of the web in a paper machineVALMET PAPER MACHINERY INC·Filed 1993·Granted Feb 28, 1995·13 cites·12 claims
- 3157US5611892ACompact press section in a paper machineVALMET CORP·Filed 1994·Granted Mar 18, 1997·14 cites·13 claims
- 3256US6103066AMethods for transferring a web in a paper machine from a two-felt press nip to a dryer sectionVALMET CORP·Filed 1998·Granted Aug 15, 2000·8 cites·9 claims
- 3356US5792320AMethod and device for removing water from a paper or board web by pressingVALMET CORP·Filed 1996·Granted Aug 11, 1998·14 cites·24 claims
- 3455US5662778APress section with an equalizing nip in a paper machineVALMET CORP·Filed 1995·Granted Sep 2, 1997·11 cites·24 claims
- 3553US4673462APress section of a paper machineVALMET OY·Filed 1985·Granted Jun 16, 1987·10 cites·11 claims
- 3649US6368466B1Press section of a paper making machine employing an extended nip pressVALMET CORP·Filed 1995·Granted Apr 9, 2002·8 cites·34 claims
- 3749US6214168B1Method and device in a paper machine for transfer of the web from the former section to the press sectionVALMET CORP·Filed 1999·Granted Apr 10, 2001·7 cites·16 claims
- 3847US5833810APress section of a paper making machine employing an extended nip pressVALMET CORP·Filed 1994·Granted Nov 10, 1998·10 cites·32 claims
- 3946US7294236B2Arrangement for controlling the web in a press section of a paper or board machineMETSO PAPER INC·Filed 2004·Granted Nov 13, 2007·2 cites·12 claims
- 4045US4767501AMethod for equalizing compression pressure in a press nip of a paper machineVALMET OY·Filed 1986·Granted Aug 30, 1988·8 cites·9 claims
- 4145US4586983AProcedure and means in the treatment by pressing of a fibre web, in particular of a paper or cardboard webVALMET OY·Filed 1984·Granted May 6, 1986·8 cites·18 claims
- 4245US4525241APress section of a paper machineVALMET OY·Filed 1983·Granted Jun 25, 1985·7 cites·19 claims
- 4344US4551205APress section without press suction rollers in a paper machineVALMET OY·Filed 1983·Granted Nov 5, 1985·8 cites·14 claims
- 4444US2007245589A1Runnability of Web in a Material Web MachineMETSO PAPER INC·Filed 2007·Application pending·0 cites
- 4542US2008289784A1Method For Treating A Fibrous Web Downstream Of SlittingMETSO PAPER INC·Filed 2005·Application pending·0 cites
- 4638US6656325B1Machine for manufacturing paper or boardMETSO PAPER INC·Filed 2000·Granted Dec 2, 2003·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →