Patents Assigned to Knauf
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Patent number: 11976006Abstract: Spackling and joint compounds with lower shrinkage, better sanding, and fast drying. Methods for repairing walls and ceiling in which the present spackling compound is applied to a variety of substrates, including wallboard, plaster and/or wood. Methods for finishing seams in wall construction in which the spackling/joint compound is used for finishing the seams.Type: GrantFiled: January 25, 2021Date of Patent: May 7, 2024Assignee: KNAUF GIPS KGInventors: Tyler Kincaid, Rafael Bury
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Publication number: 20240123658Abstract: The invention relates to a chamber for steam moulding expanded or cellular materials or foams comprising an enclosure comprising at least two parts (3a, 3b), at least one part being movable to allow it to be opened and closed, and the surfaces of which are partially covered with an insulating coating, in particular the inner surface of the enclosure or the outer surface of the steam inlets.Type: ApplicationFiled: September 26, 2023Publication date: April 18, 2024Applicant: KNAUF INDUSTRIES GESTIONInventor: Fabrice GRAND
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Patent number: 11952797Abstract: Breakthrough resistant drywall structure, classified at least for resistance class 2 according to DIN EN 1627 from September 2011, having at least two studs arranged to form a drywall substructure, each stud including a base portion and at least one flange portion, the drywall structure further having a plurality of building panels attached to the at least one flange portion, the drywall structure 1 further including a filling material, wherein the filling material comprises fibers.Type: GrantFiled: December 19, 2018Date of Patent: April 9, 2024Assignee: KNAUF GIPS KGInventors: Klaus Holfelder, Ruth Schnobrich, Klaus Wandler
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Patent number: 11946582Abstract: An un-reacted substantially formaldehyde free curable binder solution for binding loose matter consists essentially of a solution obtainable by dissolving a reducing sugar, an ammonium salt acid precursor, optionally a carboxylic acid or a precursor thereof and optionally ammonia in water.Type: GrantFiled: May 7, 2019Date of Patent: April 2, 2024Assignees: Knauf Insulation, Inc., Knauf Insulation SPRLInventor: Carl Hampson
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Patent number: 11945979Abstract: A method of manufacturing a composite product, comprising: —applying a binder composition, notably in the form of an aqueous solution, to non or loosely assembled matter to provide resinated matter, wherein the binder composition consists of a binder composition prepared by combining reactants comprising at least 50% by dry weight reducing sugar reactant(s) and at least 5% by dry weight nitrogen-containing reactant(s); and—arranging the resinated matter to provide loosely arranged resinated matter; and—subjecting the loosely arranged resinated matter to heat and/or pressure to cure the binder composition and to form the composite product; —wherein the nitrogen-containing reactant(s) comprise TPTA triprimary triamine(s), notably wherein the nitrogen-containing reactant(s) comprise at least 5% by dry weight of TPTA triprimary triamine(s).Type: GrantFiled: March 27, 2019Date of Patent: April 2, 2024Assignees: Knauf Insulation, Inc., Knauf Insulation SPRLInventors: Carl Hampson, Oliver Callaghan
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Patent number: 11945745Abstract: The present disclosure relates to mineral wool compositions and articles, as well as methods for manufacturing mineral wool compositions and articles.Type: GrantFiled: February 23, 2018Date of Patent: April 2, 2024Assignee: Knauf Insulation SPRLInventors: Gerard Demott, Mitja Oresnik
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Patent number: 11945751Abstract: Water-resistant gypsum products may be produced using a novel catalyst that includes calcium aluminate cement and/or calcium sulfoaluminate cement. For example, a water-resistant gypsum panel may have a core comprising: interwoven matrices of calcium sulfate dihydrate crystals and a silicone resin, wherein the interwoven matrices have dispersed throughout them a siloxane polymerization catalyst comprising (a) 55 wt % to 100 wt % calcium aluminate cement and/or calcium aluminate cement and (b) 0 wt % to 45 wt % and magnesium oxide, wherein the weight ratio of the siloxane polymerization catalyst to the calcium sulfate dihydrate is 0.01-5:100. The water-resistant gypsum panel may have an absence of one or more of: Portland cement, limestone, aragonite, calcite, dolomite, and slaked lime.Type: GrantFiled: April 30, 2021Date of Patent: April 2, 2024Assignee: KNAUF GIPS KGInventors: Qinghua Li, Ashish Dubey, Nicholas D′anna
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Patent number: 11939091Abstract: The present application relates to a method for manufacturing an improved package of compressed mineral wool insulation blowing wool fibers.Type: GrantFiled: January 29, 2019Date of Patent: March 26, 2024Assignee: Knauf Insulation SPRLInventors: Eva Davila, Cedric Mommer
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Patent number: 11939460Abstract: A binder used for manufacturing a composite product is prepared by combining i) Maillard reactants selected from: reducing sugar reactant(s) and nitrogen-containing reactant(s); curable reaction product(s) of reducing sugar reactant(s) and nitrogen-containing reactant(s); and combinations thereof; and ii) a resin; reactants of a resin; and combinations thereof.Type: GrantFiled: March 27, 2019Date of Patent: March 26, 2024Assignees: Knauf Insulation, Inc., Knauf Insulation SPRL, McTron Technologies, IncInventors: Carl Hampson, Oliver Callaghan, Kenneth Snyder
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Patent number: 11919197Abstract: The invention concerns an apparatus for furnishing a liner with a layer of stucco slurry, comprising at least: a conveying device (24) for conveying a liner (7), said conveyor device defining a transport direction (31); a stucco slurry feeder device (26) for casting stucco slurry onto the liner (7); a stucco slurry distribution device (27) for distributing stucco slurry cast onto the liner (7); and at least one stripper device (28) for stripping stucco slurry from lateral portions of the liner. The invention further concerns a method for furnishing a liner with a layer of stucco slurry of defined width and a method for producing a gypsum plasterboard.Type: GrantFiled: December 19, 2018Date of Patent: March 5, 2024Assignee: Knauf Gips KGInventors: Stergios Karakoussis, Alexander Hartmann, Georgi Paraskov
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Patent number: 11911928Abstract: Method for producing a cementitious board (1), wherein a first liner (2) with first overlap sections (5) is provided and furnished with at least one layer of at least one slurry comprising a cementitious material (3); a second liner (4) with second overlap sections (8) is provided and arranged such that it contacts the first overlap sections (5) of the first liner (2), wherein the at least one layer of the at least one slurry (3) is arranged between the first liner (2) and the second liner (4); an adhesive foam (6) is provided at least partly on at least one of the first or second overlap sections (5, 8); and the first liner (2) and the second liner (4) are bonded via the adhesive foam (6) in the overlap sections (5, 8).Type: GrantFiled: December 16, 2019Date of Patent: February 27, 2024Assignee: Knauf Gips KGInventors: Stergios Karakoussis, Alexander Hartmann, Georgi Paraskov, Carlo Knauf, Anton Peter
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Patent number: 11905206Abstract: Binders to produce or promote cohesion in non-assembled or loosely assembled matter.Type: GrantFiled: August 1, 2022Date of Patent: February 20, 2024Assignees: Knauf Insulation, Inc., Knauf Insulation SPRLInventors: Brian Lee Swift, Ronald E. Kissell, Ruijian Xu
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Publication number: 20240052966Abstract: A method of manufacturing a mineral fibre thermal insulation product comprises the sequential steps of: Forming mineral fibres from a molten mineral mixture; Spraying a substantially formaldehyde free binder solution on to the mineral fibres, the binder solution comprising: a reducing sugar, an acid precursor derivable from an inorganic salt and a source of nitrogen; Collecting the mineral fibres to which the binder solution has been applied to form a batt of mineral fibres; and Curing the batt comprising the mineral fibres and the binder which is in contact with the mineral fibres by passing the batt through a curing oven so as to provide a batt of mineral fibres held together by a substantially water insoluble cured binder.Type: ApplicationFiled: October 22, 2023Publication date: February 15, 2024Applicant: KNAUF INSULATION, INC.Inventors: Carl Hampson, Gert Mueller, Charles Appley
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Patent number: 11891806Abstract: The invention relates to building products, in particular building boards, which comprise graphene and/or graphene oxide.Type: GrantFiled: December 18, 2015Date of Patent: February 6, 2024Assignee: Knauf Gips KGInventor: Sylvia Brueckner
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Publication number: 20240034692Abstract: The present invention is concerned with plasterboards including at least two layers A and B of different composition, wherein layer A includes a calcium sulfate binder and a synthetic polymer foam and the layer B includes a calcium sulfate binder and a surfactant foam and wherein the at least one layer A is a surface layer. Improved nail pull resistance can be achieved in lightweight plasterboards, if foamed synthetic polymer is present in a surface layer. The present invention further concerns a method for the production of corresponding products, an apparatus for the production of such products as well as the use of synthetic polymer foam in a surface layer to produce plasterboards with high nail pull resistance at a minimal amount of synthetic polymer.Type: ApplicationFiled: December 22, 2021Publication date: February 1, 2024Applicant: Knauf Gips KGInventors: Stergios Karakoussis, Georgi Paraskov, Alexander Hartmann, Carlo Knauf, Anton Peter
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Patent number: 11885116Abstract: The invention relates to a profile for arranging a component for a drywall construction, in particular a profile for a preferably ceiling-side fastening of a drywall, preferably a profile for a drywall comprising a panelled stud frame. Furthermore, the invention relates to a construction element set and to a drywall having such a profile. The invention provides a profile of the aforementioned generic type that can accommodate a possible relative movement of components of a drywall construction in an improved manner. This object is achieved according to the invention in that the profile has, in its cross section, substantially a U shape which comprises a web and two adjoining flanges, wherein the flanges are each designed to be resilient to the same degree and/or in the same manner in the direction which is substantially orthogonal to the web surface.Type: GrantFiled: October 25, 2018Date of Patent: January 30, 2024Assignee: Knauf Gips KGInventors: Dominik Herfurth, Robert Stubits, Sylvia Rachwitz, Michael Viebahn
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Patent number: 11866929Abstract: A panel coating system for simple and efficient installation of a removably attachable layer to a panel.Type: GrantFiled: December 19, 2019Date of Patent: January 9, 2024Assignee: KNAUF GIPS KGInventors: Klaus Holfelder, Ruth Schnobrich, Klaus Wandler, Klaudius Hengst
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Patent number: 11846097Abstract: A fiber product is described which includes fibers, a binder and a temperature control additive. The fiber product has properties that make it useful for a variety of applications. The fibers may be glass fibers and the product may be a fiberglass insulation product for use in buildings, vehicles, or other structures for acoustic and/or thermal insulation. The fibers may be cellulosic fibers and the product may be a wood board product. The temperature control additive is incorporated into the uncured fiber product to prevent deleterious self-heating during or after binder curing. The temperature control additive undergoes an endothermic process that consumes at least a portion of the energy generated during the exothermic curing reaction.Type: GrantFiled: April 20, 2018Date of Patent: December 19, 2023Assignees: Knauf Insulation, Inc., Knauf Insulation SPRLInventors: Gert Mueller, Charles Fitch Appley
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Publication number: 20230365467Abstract: The invention concerns construction materials based on a mineral binder, which includes a synergistically effective hydrophobisation mixture. The invention also relates to methods for processing of such construction materials and the use of a synergistically effective mixture for the hydrophobisation of a mineral binder based construction material.Type: ApplicationFiled: November 24, 2020Publication date: November 16, 2023Applicant: Knauf Gips KGInventors: Jakub Gajski, Agnieszka Bogobowicz, Katarzyna Foltynska
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Patent number: 11814885Abstract: A closure device having a lock element that can be locked on a mating piece, preferably for closing a sealing flap of an opening, in particular an inspection flap, preferably in a drywall construction, in particular for a wall or a ceiling is provided. A closure device is distinguished by the fact that the lock element is arranged in such a way that, preferably under the action of a spring, in a first position with respect to the mating piece it is or can be moved into a locking position and, in a second position, it reaches a position and/or a state without any blocking action.Type: GrantFiled: July 20, 2017Date of Patent: November 14, 2023Assignee: KNAUF GIPS KGInventor: Claus Beyer