Assignee
VALMET PAPER MACHINERY INC
FI·225 granted patents·4,820 citations·filing 1985–1995
Top patents by PatentIndex Score
225 records- 0196US4883233AMethod for controlling the reeling of a webVALMET PAPER MACHINERY INC·Filed 1988·Granted Nov 28, 1989·68 cites·16 claims
- 0295US4842209AMethod and device in the winding of a webVALMET PAPER MACHINERY INC·Filed 1988·Granted Jun 27, 1989·60 cites·20 claims
- 0394US4976820AMethod for hot-pressing of a webVALMET PAPER MACHINERY INC·Filed 1988·Granted Dec 11, 1990·67 cites·17 claims
- 0494US4905380AMethod and apparatus in a paper machine single-wire drying groupVALMET PAPER MACHINERY INC·Filed 1988·Granted Mar 6, 1990·73 cites·16 claims
- 0593US5251835AReel-up and a method of reelingVALMET PAPER MACHINERY INC·Filed 1991·Granted Oct 12, 1993·60 cites·3 claims
- 0693US5022163AMethod 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
- 0792US5471766AMethod in contact-free air-drying of a material web as well as a nozzle-blow-box and a pulp dryer that make use of the methodVALMET PAPER MACHINERY INC·Filed 1994·Granted Dec 5, 1995·58 cites·20 claims
- 0892US5383371AMethod and device for measurement of the nip force and/or nip pressure in a nip formed by a revolving roll or a band that is used in the manufacture of paperVALMET PAPER MACHINERY INC·Filed 1992·Granted Jan 24, 1995·110 cites·15 claims
- 0991US5389205AMethod for dewatering of a paper web by pressing using an extended nip shoe pre-press zone on the forming wireVALMET PAPER MACHINERY INC·Filed 1993·Granted Feb 14, 1995·88 cites·20 claims
- 1091US4925531ATwin wire former for a paper machineVALMET PAPER MACHINERY INC·Filed 1989·Granted May 15, 1990·53 cites·16 claims
- 1190US5416980AMethod 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
- 1290US5230776APaper machine for manufacturing a soft crepe paper webVALMET PAPER MACHINERY INC·Filed 1992·Granted Jul 27, 1993·142 cites·10 claims
- 1390US4923567AGuiding an end conduction strip of a web forwardly from a rollVALMET PAPER MACHINERY INC·Filed 1989·Granted May 8, 1990·45 cites·29 claims
- 1490US4917768APress with extended nipVALMET PAPER MACHINERY INC·Filed 1989·Granted Apr 17, 1990·48 cites·6 claims
- 1589US5438920AMethod for calendering a paper or an equivalent web material and a calender that makes use of the methodVALMET PAPER MACHINERY INC·Filed 1993·Granted Aug 8, 1995·45 cites·26 claims
- 1689US5043046AExtended nip-pressVALMET PAPER MACHINERY INC·Filed 1990·Granted Aug 27, 1991·56 cites·17 claims
- 1789US4948466AMethod for heating a cylinder or roll with an electrically conductive ceramic outer layerVALMET PAPER MACHINERY INC·Filed 1989·Granted Aug 14, 1990·47 cites·15 claims
- 1888US5483873AMethod in calendering of a paper web and a calendar that makes use of the methodVALMET PAPER MACHINERY INC·Filed 1994·Granted Jan 16, 1996·55 cites·16 claims
- 1988US4919759AControl of detachment of a paper web from a roll using heatVALMET PAPER MACHINERY INC·Filed 1988·Granted Apr 24, 1990·43 cites·23 claims
- 2088US4839201AMethod and apparatus for applying coating liquid to a moving baseVALMET PAPER MACHINERY INC·Filed 1988·Granted Jun 13, 1989·54 cites·15 claims
- 2187US5397438AMethod 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
- 2287US5092962AHot-pressing and drying deviceVALMET PAPER MACHINERY INC·Filed 1990·Granted Mar 3, 1992·43 cites·4 claims
- 2387US5084137APress roll with displaceable end walls to reduce press jacket wearVALMET PAPER MACHINERY INC·Filed 1991·Granted Jan 28, 1992·66 cites·14 claims
- 2487US4936025ACombination infrared and airborne drying of a webVALMET PAPER MACHINERY INC·Filed 1989·Granted Jun 26, 1990·39 cites·9 claims
- 2586US5379652AMethod and device for measuring the nip force and/or nip pressure in a nipVALMET PAPER MACHINERY INC·Filed 1993·Granted Jan 10, 1995·86 cites·20 claims
- 2686US4932140AArrangement of pressure nozzles for the treatment of websVALMET PAPER MACHINERY INC·Filed 1988·Granted Jun 12, 1990·37 cites·4 claims
- 2786US4921183AMethod and device for the reeling of a webVALMET PAPER MACHINERY INC·Filed 1988·Granted May 1, 1990·33 cites·19 claims
- 2885US5383288AMethod and device for drying paperVALMET PAPER MACHINERY INC·Filed 1993·Granted Jan 24, 1995·42 cites·24 claims
- 2984US5495678ADrying module and dryer sections that make use of same, in particular for a high-speed paper machineVALMET PAPER MACHINERY INC·Filed 1994·Granted Mar 5, 1996·38 cites·30 claims
- 3084US5360179AMethod and device for reeling a webVALMET PAPER MACHINERY INC·Filed 1992·Granted Nov 1, 1994·40 cites·9 claims
- 3183US4889598AMethod for detaching a web from a surface of a roll with inductive heatingVALMET PAPER MACHINERY INC·Filed 1988·Granted Dec 26, 1989·33 cites·26 claims
- 3282US5098523APress roll with wedge clamp for the press jacket edgesVALMET PAPER MACHINERY INC·Filed 1991·Granted Mar 24, 1992·45 cites·14 claims
- 3382US5023985ACoated roll for a paper making machineVALMET PAPER MACHINERY INC·Filed 1990·Granted Jun 18, 1991·55 cites·14 claims
- 3482US4906333AMethod and apparatus for extracting dust that is released when creping off a paper webVALMET PAPER MACHINERY INC·Filed 1988·Granted Mar 6, 1990·29 cites·25 claims
- 3580US5199623ADevice for supporting, turning and spreading of a webVALMET PAPER MACHINERY INC·Filed 1991·Granted Apr 6, 1993·36 cites·11 claims
- 3679US5240563ACompact 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
- 3778US5467194AMethod and device for photoelectric identification of a material webVALMET PAPER MACHINERY INC·Filed 1993·Granted Nov 14, 1995·30 cites·16 claims
- 3878US5268541ASound attenuator for low frequencies, in particular for air ducts in paper millsVALMET PAPER MACHINERY INC·Filed 1992·Granted Dec 7, 1993·55 cites·17 claims
- 3978US5164047AHot-pressing methodVALMET PAPER MACHINERY INC·Filed 1991·Granted Nov 17, 1992·26 cites·12 claims
- 4078US4972608AMulti-cylinder dryer for a paper machine with supported draw of webVALMET PAPER MACHINERY INC·Filed 1989·Granted Nov 27, 1990·30 cites·5 claims
- 4177US4953297AMethod of and device for pocket ventilation in the drying section of a paper machine, in particular for high-speed paper machinesVALMET PAPER MACHINERY INC·Filed 1987·Granted Sep 4, 1990·31 cites·12 claims
- 4276US5490905AMethod in the regulation of a multi-layer headbox and a multi-layer headboxVALMET PAPER MACHINERY INC·Filed 1994·Granted Feb 13, 1996·26 cites·20 claims
- 4376US5379526AApparatus for eliminating the flutter of a paper web in the dryer section of a papermaking machineVALMET PAPER MACHINERY INC·Filed 1993·Granted Jan 10, 1995·30 cites·6 claims
- 4476US4942675AApparatus and method for regulating the profile of a paper web passing over a Yankee cylinder in an integrated IR-dryer/Yankee hoodVALMET PAPER MACHINERY INC·Filed 1989·Granted Jul 24, 1990·38 cites·22 claims
- 4575US5509883ATubular roll for a paper machine or equivalent with glide-bearingsVALMET PAPER MACHINERY INC·Filed 1994·Granted Apr 23, 1996·23 cites·25 claims
- 4675US5381341AControl system for a paper or board machineVALMET PAPER MACHINERY INC·Filed 1993·Granted Jan 10, 1995·34 cites·16 claims
- 4775US5135614ASuction roll for a paper making machine and a method for producing a desired pressure profile for the suction rollVALMET PAPER MACHINERY INC·Filed 1990·Granted Aug 4, 1992·32 cites·15 claims
- 4875US5026005AMethod and apparatus for reel-up of a paper webVALMET PAPER MACHINERY INC·Filed 1989·Granted Jun 25, 1991·18 cites·6 claims
- 4975US4932138AMethod and device for threading a web around drying cylindersVALMET PAPER MACHINERY INC·Filed 1989·Granted Jun 12, 1990·19 cites·11 claims
- 5074US5496442AMethod and apparatus for opening a nip in an extended-nip pressVALMET PAPER MACHINERY INC·Filed 1994·Granted Mar 5, 1996·24 cites·19 claims
Showing the top 50 of 225 patent records by PatentIndex Score.
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