Patents by Inventor Paul J. Ruthven
Paul J. Ruthven has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11525086Abstract: The present disclosure provides novel paper sheet mulch products having benefits over prior sheet mulches, which may include brown or recycled fibers, as well as additives, such as opacity, water-resistant, and strength additives, resulting in mulch products with an improved combination of basis weight, stretch, strength, opacity, and/or water-resistance characteristics.Type: GrantFiled: November 10, 2020Date of Patent: December 13, 2022Assignee: GPCP IP Holdings LLCInventors: Paul J. Ruthven, Cary Q. Peterson, Jeffrey J. Faust
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Patent number: 11105044Abstract: A method of making a molded paper web includes bringing a permeable patterned surface of a patterned cylinder into contact with a nascent web and conveying the nascent web between a transfer surface and the permeable patterned surface over an arc length of the permeable patterned surface. The arc length forms at least a portion of a molding zone. The method also includes applying a vacuum over at least a portion of the arc length. The method further includes transferring the nascent web from the transfer surface to the permeable patterned surface of the patterned cylinder in the molding zone. The vacuum is applied during the transferring of the nascent web from the transfer surface to the permeable patterned surface of the patterned cylinder.Type: GrantFiled: April 17, 2020Date of Patent: August 31, 2021Assignee: GPCP IP Holdings LLCInventors: Paul J. Ruthven, Frank D. Harper, Mark L. Robinson
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Publication number: 20210062090Abstract: The present disclosure provides novel paper sheet mulch products having benefits over prior sheet mulches, which may include brown or recycled fibers, as well as additives, such as opacity, water-resistant, and strength additives, resulting in mulch products with an improved combination of basis weight, stretch, strength, opacity, and/or water-resistance characteristics.Type: ApplicationFiled: November 10, 2020Publication date: March 4, 2021Applicant: GPCP IP Holdings LLCInventors: Paul J. Ruthven, Cary Q. Peterson, Jeffrey J. Faust
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Publication number: 20200354892Abstract: The present disclosure provides novel paper sheet mulch products having benefits over prior sheet mulches, which may include brown or recycled fibers, as well as additives, such as opacity, water-resistant, and strength additives, resulting in mulch products with an improved combination of basis weight, stretch, strength, opacity, and/or water-resistance characteristics.Type: ApplicationFiled: May 4, 2020Publication date: November 12, 2020Applicant: GPCP IP Holdings LLCInventors: Paul J. Ruthven, Cary Q. Peterson, Jeffrey J. Faust
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Publication number: 20200240082Abstract: A method of making a molded paper web includes bringing a permeable patterned surface of a patterned cylinder into contact with a nascent web and conveying the nascent web between a transfer surface and the permeable patterned surface over an arc length of the permeable patterned surface. The arc length forms at least a portion of a molding zone. The method also includes applying a vacuum over at least a portion of the arc length. The method further includes transferring the nascent web from the transfer surface to the permeable patterned surface of the patterned cylinder in the molding zone. The vacuum is applied during the transferring of the nascent web from the transfer surface to the permeable patterned surface of the patterned cylinder.Type: ApplicationFiled: April 17, 2020Publication date: July 30, 2020Inventors: Paul J. Ruthven, Frank D. Harper, Mark L. Robinson
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Patent number: 10697120Abstract: A method of making a fibrous sheet including bringing a permeable patterned surface of a patterned cylinder into contact with a nascent web and conveying the nascent web between a transfer surface and the permeable patterned surface over an arc length of the permeable patterned surface. The arc length forms at least a portion of a molding zone. The method also includes applying a vacuum over at least a portion of the arc length. The method further includes transferring the nascent web from the transfer surface to the permeable patterned surface of the patterned cylinder in the molding zone. The vacuum is applied during the transferring of the nascent web from the transfer surface to the permeable patterned surface of the patterned cylinder.Type: GrantFiled: June 29, 2018Date of Patent: June 30, 2020Assignee: GPCP IP Holdings LLCInventors: Paul J. Ruthven, Frank D. Harper, Mark L. Robinson
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Publication number: 20190048525Abstract: A method of making a fibrous sheet including bringing a permeable patterned surface of a patterned cylinder into contact with a nascent web and conveying the nascent web between a transfer surface and the permeable patterned surface over an arc length of the permeable patterned surface. The arc length forms at least a portion of a molding zone. The method also includes applying a vacuum over at least a portion of the arc length. The method further includes transferring the nascent web from the transfer surface to the permeable patterned surface of the patterned cylinder in the molding zone. The vacuum is applied during the transferring of the nascent web from the transfer surface to the permeable patterned surface of the patterned cylinder.Type: ApplicationFiled: June 29, 2018Publication date: February 14, 2019Inventors: Paul J. Ruthven, Frank D. Harper, Mark L. Robinson
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Patent number: 9388534Abstract: A method of making a belt-creped absorbent cellulosic sheet. A papermaking furnish is compactively dewatered to form a dewatered web. The dewatered web is applied to a translating transfer surface. The web is belt-creped from the transfer surface utilizing a polymeric creping belt having perforations. The web is creped from the transfer surface and redistributed on the creping belt to form a web including a plurality of fiber-enriched hollow domed regions protruding from an upper surface of the web, the hollow domed regions having sidewalls being formed along at least a leading edge of the web. Connecting regions form a network interconnecting the hollow domed regions. Transition areas include fibers that transition from the connecting regions into the hollow domed regions, by extending upwardly from the connecting regions into the sidewalls of the domed regions. The web is dried to produce the sheet.Type: GrantFiled: February 12, 2015Date of Patent: July 12, 2016Assignee: Georgia-Pacific Consumer Products LPInventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller
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Publication number: 20150152603Abstract: A method of making a belt-creped absorbent cellulosic sheet. A papermaking furnish is compactively dewatered to form a dewatered web. The dewatered web is applied to a translating transfer surface. The web is belt-creped from the transfer surface utilizing a polymeric creping belt having perforations. The web is creped from the transfer surface and redistributed on the creping belt to form a web including a plurality of fiber-enriched hollow domed regions protruding from an upper surface of the web, the hollow domed regions having sidewalls being formed along at least a leading edge of the web. Connecting regions form a network interconnecting the hollow domed regions. Transition areas include fibers that transition from the connecting regions into the hollow domed regions, by extending upwardly from the connecting regions into the sidewalls of the domed regions. The web is dried to produce the sheet.Type: ApplicationFiled: February 12, 2015Publication date: June 4, 2015Inventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller
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Patent number: 9017517Abstract: A method of making a belt-creped absorbent cellulosic sheet. A papermaking furnish is compactively dewatered to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer surface moving at a transfer surface speed. The web is belt-creped from the transfer surface utilizing a generally planar polymeric creping belt provided with a plurality of perforations through the belt, the belt-creping step occurring under pressure in a belt creping nip defined between the transfer surface and the creping belt. The belt travels at a belt speed that is slower than the transfer surface speed, and the web is creped from the transfer surface and redistributed on the creping belt to form a web. The web includes hollow domed regions, connecting regions, and transition areas. The web is dried to produce the belt-creped absorbent cellulosic sheet.Type: GrantFiled: July 15, 2014Date of Patent: April 28, 2015Assignee: Georgia-Pacific Consumer Products LPInventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller
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Methods of making a belt-creped absorbent cellulosic sheet prepared with a perforated polymeric belt
Patent number: 8968516Abstract: A method of making a belt-creped absorbent cellulosic sheet that has an upper surface and a lower surface. A papermaking furnish is compactively dewatered to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer surface. The web is belt creped from the transfer surface at a consistency of from about 30% to about 60% utilizing a generally planar polymeric creping belt having a plurality of perforations. The belt-creping step occurs under pressure in a belt creping nip defined between the transfer surface and the creping belt. The belt is traveling at a belt speed that is slower than the speed of the transfer surface, and the web is creped from the transfer surface and redistributed on the creping belt to form a web.Type: GrantFiled: July 2, 2013Date of Patent: March 3, 2015Assignee: Georgia-Pacific Consumer Products LPInventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller -
Publication number: 20140352901Abstract: A method of making a belt-creped absorbent cellulosic sheet. A papermaking furnish is compactively dewatered to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer surface moving at a transfer surface speed. The web is belt-creped from the transfer surface utilizing a generally planar polymeric creping belt provided with a plurality of perforations through the belt, the belt-creping step occurring under pressure in a belt creping nip defined between the transfer surface and the creping belt. The belt travels at a belt speed that is slower than the transfer surface speed, and the web is creped from the transfer surface and redistributed on the creping belt to form a web. The web includes hollow domed regions, connecting regions, and transition areas. The web is dried to produce the belt-creped absorbent cellulosic sheet.Type: ApplicationFiled: July 15, 2014Publication date: December 4, 2014Inventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller
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Methods of making a belt-creped absorbent cellulosic sheet prepared with a perforated polymeric belt
Patent number: 8852397Abstract: A method of making a belt-creped absorbent cellulosic sheet. The method includes compactively dewatering a papermaking furnish to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer. The web from the transfer surface is belt-creped at a consistency of from about 30% to about 60%, utilizing a generally planar polymeric creping belt having a plurality of perforations. The belt-creping step occurs under pressure in a belt creping nip defined between the transfer surface and the creping belt. The belt travels at a belt speed that is slower than the speed of the transfer surface, and the web is creped from the transfer surface and redistributed on the creping belt to form a web having a plurality of interconnected regions of different local basis weights.Type: GrantFiled: July 2, 2013Date of Patent: October 7, 2014Assignee: Georgia-Pacific Consumer Products LPInventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller -
Publication number: 20140103575Abstract: An embossing system is provided for embossing at least a portion of a web comprising a first roll and at least a second roll. The first roll and second roll may define a first nip for embossing the web. At least one of the first roll and the second roll has elongated embossing elements extending substantially in the machine direction and optionally at least one of the first and second rolls has elongated embossing elements extending substantially in the cross-machine direction. At least one of the first roll and the second roll may also have perforate embossing elements extending substantially in the cross-machine direction that may or may not be elongated. The embossing elements are capable of imparting one or both of a cube embossing pattern or a perforate emboss on the web. The web may be a cellulosic fibrous web, a portion of which is lignin-rich, high coarseness fiber having generally tubular fiber configuration. In addition, the web may be creped with an undulatory creping blade.Type: ApplicationFiled: November 18, 2013Publication date: April 17, 2014Applicant: GEORGIA-PACIFIC CONSUMER PRODUCTS LPInventors: Anthony O. Awofeso, Kang Chang Yeh, Bruce W. Janda, Martin A. Hynnek, Gayln A. Schulz, Paul J. Ruthven, Ronald R. Reeb
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Methods of making a belt-creped absorbent cellulosic sheet prepared with a perforated polymeric belt
Patent number: 8652300Abstract: A method of making a belt-creped absorbent cellulosic sheet. A paper making furnish is compactively dewatered to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer surface that is moving at a transfer surface speed. The web is belt-creped from the transfer surface at a consistency of from about 30% to about 60% utilizing a generally planar polymeric creping belt having a plurality of perforations, under pressure, in a belt creping nip defined between the transfer surface and the creping belt. The belt travels at a belt speed that is slower than the speed of the transfer surface. The web is creped from the transfer surface and redistributed on the creping belt to form a web having a plurality of interconnected regions of different local basis weights. The web is then dried.Type: GrantFiled: June 5, 2012Date of Patent: February 18, 2014Assignee: Georgia-Pacific Consumer Products LPInventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller -
Patent number: 8647105Abstract: An embossing system is provided for embossing at least a portion of a web comprising a first roll and at least a second roll. The first roll and second roll may define a first nip for embossing the web. At least one of the first roll and the second roll has elongated embossing elements extending substantially in the machine direction and optionally at least one of the first and second rolls has elongated embossing elements extending substantially in the cross-machine direction. At least one of the first roll and the second roll may also have perforate embossing elements extending substantially in the cross-machine direction that may or may not be elongated. The embossing elements are capable of imparting one or both of a cube embossing pattern or a perforate emboss on the web. In addition, the web may be creped with an undulatory creping blade.Type: GrantFiled: April 16, 2012Date of Patent: February 11, 2014Assignee: Georgia-Pacific Consumer Products LPInventors: Anthony O. Awofeso, Kang C. Yeh, Bruce W. Janda, Martin A. Hynnek, Gayln A. Schulz, Paul J. Ruthven, Ronald R. Reeb
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Methods of Making a Belt-Creped Absorbent Cellulosic Sheet Prepared with a Perforated Polymeric Belt
Publication number: 20130327488Abstract: A method of making a belt-creped absorbent cellulosic sheet. The method includes compactively dewatering a papermaking furnish to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer. The web from the transfer surface is belt-creped at a consistency of from about 30% to about 60% utilizing a generally planar polymeric creping belt having a plurality of perforations. The belt-creping step occurs under pressure in a belt creping nip defined between the transfer surface and the creping belt. The belt travels at a belt speed that is slower than the speed of the transfer surface, and the web is creped from the transfer surface and redistributed on the creping belt to form a web having a plurality of interconnected regions of different local basis weights.Type: ApplicationFiled: July 2, 2013Publication date: December 12, 2013Inventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller -
Methods of Making a Belt-Creped Absorbent Cellulosic Sheet Prepared with a Perforated Polymeric Belt
Publication number: 20130327489Abstract: A method of making a belt-creped absorbent cellulosic sheet that has an upper surface and a lower surface. A papermaking furnish is compactively dewatered to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer surface. The web is belt creped from the transfer surface at a consistency of from about 30% to about 60% utilizing a generally planar polymeric creping belt having a plurality of perforations. The belt-creping step occurs under pressure in a belt creping nip defined between the transfer surface and the creping belt. The belt is traveling at a belt speed that is slower than the speed of the transfer surface, and the web is creped from the transfer surface and redistributed on the creping belt to form a web.Type: ApplicationFiled: July 2, 2013Publication date: December 12, 2013Inventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller -
Patent number: 8293072Abstract: An absorbent sheet of cellulosic fibers with upper and lower sides includes (i) a plurality of fiber-enriched hollow domed regions on the upper side of the sheet having a relatively high local basis weight, (ii) connecting regions of relatively lower local basis weight forming a network interconnecting the relatively high local basis weight domed regions of the sheet, and (iii) transition areas with upwardly and inwardly inflected consolidated fibrous regions transitioning from the connecting regions into the domed regions.Type: GrantFiled: January 27, 2010Date of Patent: October 23, 2012Assignee: Georgia-Pacific Consumer Products LPInventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller
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Methods of Making a Belt-Creped Absorbent Cellulosic Sheet Prepared with a Perforated Polymeric Belt
Publication number: 20120241113Abstract: A method of making a belt-creped absorbent cellulosic sheet. A paper making furnish is compactively dewatered to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer surface that is moving at a transfer surface speed. The web is belt-creped from the transfer surface at a consistency of from about 30% to about 60% utilizing a generally planar polymeric creping belt having a plurality of perforations, under pressure, in a belt creping nip defined between the transfer surface and the creping belt. The belt travels at a belt speed that is slower than the speed of the transfer surface. The web is creped from the transfer surface and redistributed on the creping belt to form a web having a plurality of interconnected regions of different local basis weights. The web is then dried.Type: ApplicationFiled: June 5, 2012Publication date: September 27, 2012Applicant: GEORGIA-PACIFIC CONSUMER PRODUCTS LPInventors: Guy H. Super, Paul J. Ruthven, Stephen J. McCullough, Daniel H. Sze, Greg A. Wendt, Joseph H. Miller