Assignee
PAPER SCIENCE & TECH INST INC
US·46 granted patents·4 pending applications·900 citations·filing 1988–2003
Top patents by PatentIndex Score
50 records- 0196US6470597B1Process and apparatus for removing water from materials using oscillatory flow-reversing gaseous mediaPAPER SCIENCE & TECH INST INC·Filed 2000·Granted Oct 29, 2002·54 cites·32 claims
- 0293US5979664AMethods and apparatus for acoustic fiber fractionationPAPER SCIENCE & TECH INST INC·Filed 1998·Granted Nov 9, 1999·69 cites·21 claims
- 0392US5598642AMethod and apparatus for drying a fiber web at elevated ambient pressuresPAPER SCIENCE & TECH INST INC·Filed 1995·Granted Feb 4, 1997·85 cites·5 claims
- 0492US5353521AMethod and apparatus for drying webPAPER SCIENCE & TECH INST INC·Filed 1991·Granted Oct 11, 1994·67 cites·3 claims
- 0586US6387211B1Methods for reducing fluorescence in paper-containing samplesPAPER SCIENCE & TECH INST INC·Filed 2001·Granted May 14, 2002·20 cites·8 claims
- 0683US6572733B1System and method for altering characteristics of materials using an electrohydraulic dischargePAPER SCIENCE & TECH INST INC·Filed 2001·Granted Jun 3, 2003·16 cites·39 claims
- 0780US6933038B2Fiber reinforced mineral-based materials and methods of making the samePAPER SCIENCE & TECH INST INC·Filed 2001·Granted Aug 23, 2005·36 cites·40 claims
- 0880US6153057AMethods and apparatus to enhance paper and board forming qualitiesPAPER SCIENCE & TECH INST INC·Filed 2000·Granted Nov 28, 2000·17 cites·8 claims
- 0979US6521134B1System and method for altering the tack of materials using an electrohydraulic dischargePAPER SCIENCE & TECH INST INC·Filed 2000·Granted Feb 18, 2003·14 cites·32 claims
- 1079US5876564AMethods and apparatus to enhance paper and board forming qualitiesPAPER SCIENCE & TECH INST INC·Filed 1997·Granted Mar 2, 1999·26 cites·36 claims
- 1178US6294047B1Methods for reducing fluorescence in paper-containing samplesPAPER SCIENCE & TECH INST INC·Filed 1999·Granted Sep 25, 2001·24 cites·29 claims
- 1276US6610175B2Layered fiber structure in paper productsPAPER SCIENCE & TECH INST INC·Filed 2002·Granted Aug 26, 2003·9 cites·1 claims
- 1375US6425984B2Layered fiber structure in paper productsPAPER SCIENCE & TECH INST INC·Filed 2001·Granted Jul 30, 2002·9 cites·17 claims
- 1474US6182375B1Method and apparatus for multi-NIP impulse dryingPAPER SCIENCE & TECH INST INC·Filed 1999·Granted Feb 6, 2001·19 cites·33 claims
- 1573US5187092ASomatic embryogenesis in gymnospermsPAPER SCIENCE & TECH INST INC·Filed 1990·Granted Feb 16, 1993·75 cites·38 claims
- 1672US5002634AMethod for the delignification of wood pulp utilizing fused ring quinone compounds prepared from lignin or lignin derived substancesPAPER SCIENCE & TECH INST INC·Filed 1989·Granted Mar 26, 1991·15 cites·5 claims
- 1771US5327661AMethod and apparatus for drying webPAPER SCIENCE & TECH INST INC·Filed 1991·Granted Jul 12, 1994·22 cites·33 claims
- 1870US6223450B1Apparatus for multi-nip impulse dryingPAPER SCIENCE & TECH INST INC·Filed 2000·Granted May 1, 2001·9 cites·7 claims
- 1968US5545292AKraft smelt solidification in a fluidized bed reactorPAPER SCIENCE & TECH INST INC·Filed 1994·Granted Aug 13, 1996·26 cites·26 claims
- 2066US6406595B1Methods and apparatus to enhance paper and board forming qualitiesPAPER SCIENCE & TECH INST INC·Filed 2000·Granted Jun 18, 2002·6 cites·20 claims
- 2166US6356846B1System and method of reducing motion-induced noise in the optical detection of an ultrasound signal in a moving body of materialPAPER SCIENCE & TECH INST INC·Filed 1998·Granted Mar 12, 2002·32 cites·23 claims
- 2266US5814730AMaterial characteristic testing method and apparatus using interferometry to detect ultrasonic signals in a webPAPER SCIENCE & TECH INST INC·Filed 1996·Granted Sep 29, 1998·36 cites·38 claims
- 2365US6115127ANon-contact measurements of ultrasonic waves on paper webs using a photorefractive interferometerPAPER SCIENCE & TECH INST INC·Filed 1998·Granted Sep 5, 2000·31 cites·25 claims
- 2464US5272821AMethod and apparatus for drying webPAPER SCIENCE & TECH INST INC·Filed 1991·Granted Dec 28, 1993·18 cites·8 claims
- 2563US5493910AMethod and system of measuring ultrasonic signals in the plane of a moving webPAPER SCIENCE & TECH INST INC·Filed 1992·Granted Feb 27, 1996·22 cites·22 claims
- 2659US6368460B1Method and apparatus to enhance paper and board forming qualitiesPAPER SCIENCE & TECH INST INC·Filed 2000·Granted Apr 9, 2002·3 cites·8 claims
- 2759US2005125161A1Differentially-expressed conifer cDNAs, and their use in improving somatic embryogenesisPAPER SCIENCE & TECH INST INC·Filed 2003·Application pending·0 cites
- 2857US5669159AMethod and apparatus for drying a fiber web at elevated ambient pressuresPAPER SCIENCE & TECH INST INC·Filed 1996·Granted Sep 23, 1997·12 cites·21 claims
- 2953US5493911ASystem for measuring the ultrasonic velocity in the thickness direction of moving webs without errors due to delays in the onset of digitizationPAPER SCIENCE & TECH INST INC·Filed 1995·Granted Feb 27, 1996·16 cites·8 claims
- 3050US5780744AOut-of-plane ultrasonic velocity measurementPAPER SCIENCE & TECH INST INC·Filed 1997·Granted Jul 14, 1998·14 cites·2 claims
- 3150US5366551ACoating device for traveling websPAPER SCIENCE & TECH INST INC·Filed 1992·Granted Nov 22, 1994·11 cites·2 claims
- 3248US6308570B1Method and apparatus for ultrasonic characterization through the thickness direction of a moving webPAPER SCIENCE & TECH INST INC·Filed 1999·Granted Oct 30, 2001·15 cites·16 claims
- 3348US5876558AFroth flotation deinking process for paper recyclingPAPER SCIENCE & TECH INST INC·Filed 1997·Granted Mar 2, 1999·9 cites·29 claims
- 3448US2003111194A1System and method for rapidly determining a pulp kappa number using spectrophotometryPAPER SCIENCE & TECH INST INC·Filed 2002·Application pending·0 cites
- 3542US2002117285A1Web product with isotropic fiber orientationPAPER SCIENCE & TECH INST INC·Filed 2002·Application pending·0 cites
- 3641US6462257B1Vicilin-like seed storage protein gene promoter and methods of using the samePAPER SCIENCE & TECH INST INC·Filed 1999·Granted Oct 8, 2002·5 cites·23 claims
- 3741US5719337AIn-plane ultrasonic velocity measurement of longitudinal and shear waves in the machine direction with transducers in rotating wheelsPAPER SCIENCE & TECH INST INC·Filed 1996·Granted Feb 17, 1998·8 cites·8 claims
- 3839US5354376AFlotation coating device for traveling websPAPER SCIENCE & TECH INST INC·Filed 1993·Granted Oct 11, 1994·7 cites·18 claims
- 3938US6436486B1Method for distributing chemicals through a fibrous material using low-headspace dielectric heatingPAPER SCIENCE & TECH INST INC·Filed 2000·Granted Aug 20, 2002·0 cites·39 claims
- 4038US5820674AVortex-free coating device for traveling websPAPER SCIENCE & TECH INST INC·Filed 1996·Granted Oct 13, 1998·5 cites·15 claims
- 4138US5688325ACoating device for traveling websPAPER SCIENCE & TECH INST INC·Filed 1996·Granted Nov 18, 1997·5 cites·9 claims
- 4237US6006442AMethods for dewatering solid-liquid matricesPAPER SCIENCE & TECH INST INC·Filed 1998·Granted Dec 28, 1999·7 cites·10 claims
- 4337US5049236ALignin derived quinonic compound mixtures useful for the delignification of cellulosic materialsPAPER SCIENCE & TECH INST INC·Filed 1988·Granted Sep 17, 1991·7 cites·11 claims
- 4436US6156155AMethod for the delignification of lignocellulosic material by adding a dialkyl substituted octahydroanthraquinonePAPER SCIENCE & TECH INST INC·Filed 1997·Granted Dec 5, 2000·2 cites·4 claims
- 4536US2002119258A1System and method for distributing chemicals through a fibrous material using low-headspace dielectric heatingPAPER SCIENCE & TECH INST INC·Filed 2002·Application pending·0 cites
- 4633US5722183AApparatus for drying a paper web at elevated ambient pressuresPAPER SCIENCE & TECH INST INC·Filed 1996·Granted Mar 3, 1998·2 cites·4 claims
- 4733US5525854AIn-plane ultrasonic velocity measurementPAPER SCIENCE & TECH INST INC·Filed 1995·Granted Jun 11, 1996·4 cites·7 claims
- 4832US5718059AMethods for dewatering solid-liquid matricesPAPER SCIENCE & TECH INST INC·Filed 1996·Granted Feb 17, 1998·5 cites·32 claims
- 4931US5839203AImpulse dryerPAPER SCIENCE & TECH INST INC·Filed 1997·Granted Nov 24, 1998·2 cites·6 claims
- 5023US6315127B1System and method for removing particulate contaminants from fluid streamsPAPER SCIENCE & TECH INST INC·Filed 1999·Granted Nov 13, 2001·4 cites·16 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →