Patents by Inventor Robert J. Purcell
Robert J. Purcell 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: 11708307Abstract: A composition comprises at least one form of attapulgite present in a solid weight fraction amount ranging from 0.25% to 5%; kaolin present in a solid weight fraction amount ranging from 17% to 50%; and optionally Ball Clay in a solid weight fraction amount ranging from 0% to 25%. Although makeable by other processes, in some embodiments, the composition is makeable by mixing component ingredients. Although usable for other purposes, in some embodiments, the composition is used to make ceramic pieces, e.g., via casting, pressing, jiggering or jollying, especially when the slip has solids, chemistry and viscosity suitable for shaping before drying, sintering, and optionally finishing.Type: GrantFiled: March 29, 2021Date of Patent: July 25, 2023Assignee: Active Minerals International, LLCInventors: Dennis Clay Parker, Robert J. Purcell, Jr., Matthew J. Lyman, Donald Keith Mills, John W. Kitchens, Charles Pettit, James Cutright
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Patent number: 11198646Abstract: A composition comprises at least one form of attapulgite present in a solid weight fraction amount ranging from 0.25% to 5%; kaolin present in a solid weight fraction amount ranging from 17% to 50%; and optionally Ball Clay in a solid weight fraction amount ranging from 0% to 25%. Although makeable by other processes, in some embodiments, the composition is makeable by mixing component ingredients. Although usable for other purposes, in some embodiments, the composition is used to make ceramic pieces, e.g., via casting, pressing, jiggering or jollying, especially when the slip has solids, chemistry and viscosity suitable for shaping before drying, sintering, and optionally finishing.Type: GrantFiled: May 3, 2018Date of Patent: December 14, 2021Assignee: Active Minerals International, LLCInventors: Dennis Clay Parker, Robert J. Purcell, Jr., Matthew J. Lyman, Donald Keith Mills, John W. Kitchens, Charles Pettit, James Cutright
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Publication number: 20210221740Abstract: A composition comprises at least one form of attapulgite present in a solid weight fraction amount ranging from 0.25% to 5%; kaolin present in a solid weight fraction amount ranging from 17% to 50%; and optionally Ball Clay in a solid weight fraction amount ranging from 0% to 25%. Although makeable by other processes, in some embodiments, the composition is makeable by mixing component ingredients. Although usable for other purposes, in some embodiments, the composition is used to make ceramic pieces, e.g., via casting, pressing, jiggering or jollying, especially when the slip has solids, chemistry and viscosity suitable for shaping before drying, sintering, and optionally finishing.Type: ApplicationFiled: March 29, 2021Publication date: July 22, 2021Inventors: Dennis Clay PARKER, Robert J. PURCELL, Jr., Matthew J. LYMAN, Donald Keith MILLS, John W. KITCHENS, Charles PETTIT, James Cutright
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Publication number: 20210032164Abstract: A composition comprises at least one form of attapulgite present in a solid weight fraction amount ranging from 0.25% to 5%; kaolin present in a solid weight fraction amount ranging from 17% to 50%; and optionally Ball Clay in a solid weight fraction amount ranging from 0% to 25%. Although makeable by other processes, in some embodiments, the composition is makeable by mixing component ingredients. Although usable for other purposes, in some embodiments, the composition is used to make ceramic pieces, e.g., via casting, pressing, jiggering or jollying, especially when the slip has solids, chemistry and viscosity suitable for shaping before drying, sintering, and optionally finishing.Type: ApplicationFiled: May 3, 2018Publication date: February 4, 2021Inventors: Dennis Clay PARKER, Robert J. PURCELL, JR., Matthew J. LYMAN, Donald Keith MILLS, John W. KITCHENS, Charles PETTIT, James Cutright
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Patent number: 10683242Abstract: A composition, in the form of an aqueous suspension. The composition comprises at least one form of attapulgite present in a solid weight fraction (SWF) amount ranging from 0.065% to 0.30%. The composition comprises kaolin present in a percent solids by weight (w/w %) amount ranging from 0.80% to 2.80%. The composition comprises one or more main plant nutrients or major animal mineral nutrient supplements. In the composition, the total percent solids by weight (w/w %) amount in the composition ranges from 45% to 90%. Although usable for other purposes, the composition is usable as a fertilizer. Although makeable in other ways, the composition is makeable by mixing the ingredients with agitation sufficient enough to form an aqueous suspension.Type: GrantFiled: August 4, 2016Date of Patent: June 16, 2020Assignee: Active Minerals International, LLCInventors: Steven B. Feldman, Jeffery Carr, Jr., Matthew J. Lyman, John Kitchens, Luke Fuhrmann, Robert J. Purcell, Jr., Dennis Parker
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Publication number: 20190023623Abstract: A composition, in the form of an aqueous suspension. The composition comprises at least one form of attapulgite present in a solid weight fraction (SWF) amount ranging from 0.065% to 0.30%. The composition comprises kaolin present in a percent solids by weight (w/w %) amount ranging from 0.80% to 2.80%. The composition comprises one or more main plant nutrients or major animal mineral nutrient supplements. In the composition, the total percent solids by weight (w/w %) amount in the composition ranges from 45% to 90%. Although usable for other purposes, the composition is usable as a fertilizer. Although makeable in other ways, the composition is makeable by mixing the ingredients with agitation sufficient enough to form an aqueous suspension.Type: ApplicationFiled: August 4, 2016Publication date: January 24, 2019Inventors: Steven B. FELDMAN, Jeffery CARR, JR., Matthew J. LYMAN, John KITCHENS, Luke FUHRMANN, Robert J. PURCELL, JR., Dennis . PARKER
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Patent number: 9670011Abstract: A method of transshipping solid particulates in an aqueous suspension of solid particulates, comprising dispersing solid particulates in an aqueous liquid in the presence of at least one mineral suspending agent to form the aqueous suspension of solid particulates. The aqueous suspension of the solid particulates is hauled via a first vehicle a distance greater than or equal to 1 km. The aqueous suspension of the solid particulates is transferred from the first vehicle to a second vehicle. The aqueous suspension of solid particulates is hauled via a second vehicle a distance greater than or equal to 1 km.Type: GrantFiled: April 30, 2014Date of Patent: June 6, 2017Assignee: ACTIVE MINERALS INTERNATIONAL, LLCInventors: Robert J. Purcell, Jr., Dennis C. Parker, Steven B. Feldman, Rudolph Coetzee
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Patent number: 9573849Abstract: A composition in the form of a backfill is described. The composition comprises one or more mine tailings present in an amount greater than 50% by weight of the composition, one or more cementitious binder materials present in an amount ranging from 0% to 12% by weight of the composition, attapulgite present in an amount ranging from 0.01% to 4.00% by weight of the composition, and water. The fines content (Fc) of the one or more mine tailings is greater than or equal to 3%. Although subject to many uses, in some embodiments, the composition is suitable for managing tailings to be stored above ground or underground. For example, in some embodiments, the composition is suitable for filling mined out areas.Type: GrantFiled: April 30, 2014Date of Patent: February 21, 2017Assignee: ACTIVE MINERALS INTERNATIONAL, LLCInventors: Robert J. Purcell, Jr., Dennis C. Parker, Paul Fendley, Rudolph M. Coetzee, Steven B. Feldman
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Patent number: 9511955Abstract: A method of transporting solid particulates in an aqueous suspension of the solid particulates, comprising dispersing solid particulates in an aqueous liquid in the presence of at least one mineral suspending agent, wherein solid particulates are transported a distance greater than or equal to 200 m.Type: GrantFiled: October 31, 2012Date of Patent: December 6, 2016Assignee: ACTIVE MINERALS INTERNATIONAL, LLCInventors: Robert J. Purcell, Jr., Dennis C. Parker, Matthew J. Lyman, James M. Smith
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Patent number: 9416052Abstract: A composition, in the form of a concrete, cement paste, mortar or intermediate thereof, comprising one or more cementitious binder materials present in an amount ranging from 0.5% to 75% by weight of the composition, attapulgite present in an amount ranging from 0.01% to 1.00% by weight of the composition, and optionally water. Although subject to many uses, in some embodiments, the composition is suitable for applications in need or desire of self-consolidating concretes (SCCs), precast concrete, shotcrete, and the like. Although makeable by multiple methods, in some embodiments, the composition is made by mixing the component ingredients. In some embodiments, the composition has one or more properties chosen from superior aggregate suspension, eliminated segregation, improved workability, improved flowability, improved pumpability—or improved overall performance—of concretes.Type: GrantFiled: April 30, 2014Date of Patent: August 16, 2016Assignee: ACTIVE MINERALS INTERNATIONAL, LLCInventors: Steven B. Feldman, Robert J. Purcell, Jr., Peter Tutbury, Paul Fendley, Dennis C. Parker, Rudolph Coetzee
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Publication number: 20160207701Abstract: An apparatus and methods for feeding granular material are described, in the form of a frame with a leveler, a controller, and a feeder. The feeder includes a hopper, an enclosure with an outlet, a drive assembly electrically connected to the controller, and a rotatable member in communication with the drive assembly and configured to rotate within the enclosure to control a rate of flow of granular material from the hopper through the outlet.Type: ApplicationFiled: January 15, 2015Publication date: July 21, 2016Inventors: Ryan W. ERNEST, JR., Ronald J. BELL, Paul FENDLEY, Steven B. FELDMAN, Rudolph COETZEE, Dennis C. PARKER, Robert J. PURCELL
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Publication number: 20150315078Abstract: A composition, in the form of a concrete, cement paste, mortar or intermediate thereof, comprising one or more cementitious binder materials present in an amount ranging from 0.5% to 75% by weight of the composition, attapulgite present in an amount ranging from 0.01% to 1.00% by weight of the composition, and optionally water. Although subject to many uses, in some embodiments, the composition is suitable for applications in need or desire of self-consolidating concretes (SCCs), precast concrete, shotcrete, and the like. Although makeable by multiple methods, in some embodiments, the composition is made by mixing the component ingredients. In some embodiments, the composition has one or more properties chosen from superior aggregate suspension, eliminated segregation, improved workability, improved flowability, improved pumpability—or improved overall performance—of concretes.Type: ApplicationFiled: April 30, 2014Publication date: November 5, 2015Applicant: Active Minerals InternationalInventors: Steven B. FELDMAN, Robert J. PURCELL, Jr., Peter TUTBURY, Paul FENDLEY, Dennis C. PARKER, Rudolph COETZEE
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Publication number: 20150239782Abstract: A composition in the form of a backfill is described. The composition comprises one or more mine tailings present in an amount greater than 50% by weight of the composition, one or more cementitious binder materials present in an amount ranging from 0% to 12% by weight of the composition, attapulgite present in an amount ranging from 0.01% to 4.00% by weight of the composition, and water. The fines content (Fc) of the one or more mine tailings is greater than or equal to 3%. Although subject to many uses, in some embodiments, the composition is suitable for managing tailings to be stored above ground or underground. For example, in some embodiments, the composition is suitable for filling mined out areas.Type: ApplicationFiled: April 30, 2014Publication date: August 27, 2015Applicant: Active Minerals InternationalInventors: Robert J. PURCELL, JR., Dennis C. PARKER, Paul FENDLEY, Rudolf M. COETZEE, Steven B. FELDMAN
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Publication number: 20140234032Abstract: A method of transshipping solid particulates in an aqueous suspension of solid particulates, comprising dispersing solid particulates in an aqueous liquid in the presence of at least one mineral suspending agent to form the aqueous suspension of solid particulates. The aqueous suspension of the solid particulates is hauled via a first vehicle a distance greater than or equal to 1 km. The aqueous suspension of the solid particulates is transferred from the first vehicle to a second vehicle. The aqueous suspension of solid particulates is hauled via a second vehicle a distance greater than or equal to 1 km.Type: ApplicationFiled: April 30, 2014Publication date: August 21, 2014Applicant: Active Minerals InternationalInventors: Robert J. PURCELL, Jr., Dennis C. PARKER, Steven B. FELDMAN, Rudolph COETZEE
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Publication number: 20140119841Abstract: A method of transporting solid particulates in an aqueous suspension of the solid particulates, comprising dispersing solid particulates in an aqueous liquid in the presence of at least one mineral suspending agent, wherein solid particulates are transported a distance greater than or equal to 200 m.Type: ApplicationFiled: October 31, 2012Publication date: May 1, 2014Applicant: ACTIVE MINERALS INTERNATIONALInventors: Robert J. PURCELL, Jr., Dennis C. PARKER, Matthew J. LYMAN, James M. SMITH
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Patent number: 7247263Abstract: The invention is directed to a system which allows for the rapid application of a water immobilizing dispersion in sufficient quantities to increase the fire protective and wetting characteristics of water. This system also increases the evaporative cooling and quenching effects of water. The primary constituents of the composition of this system are water, purified Attapulgite clay, and an environmentally safe salt, e.g., magnesium sulfate.Type: GrantFiled: October 29, 2003Date of Patent: July 24, 2007Assignee: ITC Minerals & ChemicalsInventors: Dennis C. Parker, Anthony W. Carignano, David L. Ruff, Robert J. Purcell
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Publication number: 20040124403Abstract: The invention is directed to a system which allows for the rapid application of a water immobilizing dispersion in sufficient quantities to increase the fire protective and wetting characteristics of water. This system also increases the evaporative cooling and quenching effects of water. The primary constituents of the composition of this system are water, purified Attapulgite clay, and an environmentally safe salt, e.g., magnesium sulfate.Type: ApplicationFiled: October 29, 2003Publication date: July 1, 2004Applicant: ITC MINERALS & CHEMICALSInventors: Dennis C. Parker, Anthony W. Carignano, David L. Ruff, Robert J. Purcell
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Patent number: 5484248Abstract: An endless track transporter is provided moving the semi-trailer of an on-highway wheeled tractor-trailer over terrain where it is desirable to exert low ground pressure. The transporter has a gate system which is controllably moveable for clearing the landing gear of the semi-trailer during hitching of the transporter to the semi-trailer.Type: GrantFiled: October 20, 1994Date of Patent: January 16, 1996Assignee: Caterpillar Inc.Inventor: Robert J. Purcell
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Patent number: 5462345Abstract: A belted undercarriage assembly for a belt laying track machine includes a frame, an endless belt for supporting the machine, a plurality of spaced apart resilient wheels in contact with the belt, and a plurality of guide members associated with the belt. Each of the resilient wheels includes a side wall portion having a reinforcing ring attached thereto. The reinforcing rings are adapted to contact the guide members and prolong the useful life of the resilient wheels. The reinforcing rings are preferably segmented to provide a plurality of spaced apart pads having substantially straight edge portions for removing debris from the frame as the resilient wheels rotate.Type: GrantFiled: April 29, 1994Date of Patent: October 31, 1995Assignee: Caterpillar Inc.Inventor: Robert J. Purcell
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Patent number: 5433515Abstract: A pair of guide rollers contact the side surfaces of the guide blocks of an endless elastomeric track belt and guide the guide blocks into a space formed between a pair of spaced apart idler wheels. The guide rollers prevent undesirable frictional contact between the guide blocks and the idler wheels, thereby increasing the useful life of the idler wheels and the guide blocks.Type: GrantFiled: January 18, 1994Date of Patent: July 18, 1995Assignee: Caterpillar Inc.Inventors: Robert J. Purcell, Ronald L. Satzler