Patents Assigned to Knauf
  • Patent number: 12227450
    Abstract: The invention pertains to a method for stabilizing stucco wherein a fresh stucco is provided; water is added to the fresh stucco to obtain moistened stucco, and the moistened stucco is maintained at a temperature of at least 30° C. for a time interval of at least 30 minutes to obtain a stabilized stucco. The process allows inter alia for an easy adjustment of the activity of the stabilized stucco, which is useful to e.g. adjust setting time of a corresponding stucco slurry. The invention further pertains to a method for producing gypsum plasterboards, wherein a stabilized stucco obtained with the above method is used.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: February 18, 2025
    Assignee: Knauf Gips KG
    Inventors: Stephan Dietz, Alexander Hartmann, Thomas Fraser, Manfred Baier, Sebastian Förthner, Stergios Karakoussis, Georgi Paraskov, Reiner Schneiderbanger
  • Patent number: 12208537
    Abstract: The invention relates to a conveyor line for the continuous production of drywall boards as well as a slurry distributing device which is used in this conveyor line. The distributing device is used for the uniform and low-speed flow distribution of slurries.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: January 28, 2025
    Assignee: KNAUF GIPS KG
    Inventors: Stergios Karakoussis, Thomas Koch, Thomas Kramer, Alexander Hartmann, Georgi Paraskov, Reiner Schneiderbanger, Carlo Knauf
  • Patent number: 12202722
    Abstract: A rotary union for distributing flowing material, and includes a central shaft having an upper end defining at least one inlet configured for receiving the material, and being in communication with a pocket configured for receiving the material, a lower end of the pocket defining at least one outlet port. An annular sleeve surrounds and rotates relative to the central shaft, the sleeve being provided with a plurality of radially-spaced outlet nipples. A gap is defined between an exterior surface of the central shaft and an interior surface of the sleeve, and at least one seal is disposed in the gap for isolating the gap from the material flowing through the outlet port and into the nipples. The central shaft is provided in vertically-stacked components including an upper, inlet portion, a middle or central delivery portion including the pockets and the outlets, and a lower-most base portion.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: January 21, 2025
    Assignee: KNAUF GIPS KG
    Inventors: Brent Miller, Clinton Hattaway
  • Patent number: 12180703
    Abstract: The invention relates to a drywall comprising a first wall section (2) with first stud elements (4), wherein the first stud elements are arranged with a first regular centre distance, wherein in the first wall section a first panelling (5) is arranged at least on one room side (R) of the first stud elements (4). The drywall is characterized by a second wall section (3) with second stud elements (6), wherein a second panelling (7) is arranged in the second wall section at least on the room side (R) of the second stud elements (6) and wherein the second stud elements are arranged with a second regular centre distance (C) which is smaller than the first regular centre distance (A). The invention also relates to a kit and a method for constructing a drywall.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: December 31, 2024
    Assignee: Knauf Gips KG
    Inventors: Jochen Seidel, Volker Müller
  • Patent number: 12145885
    Abstract: The invention relates to a composition for a powder mortar comprising one or more fillers, one or more binders, one or more thickeners and optionally further additives, wherein at least one of the one or more binders comprises a starch, and wherein at least one of the one or more thickeners is an etherified starch. The invention further relates to a corresponding powder mortar, in particular for use as a spackling compound.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: November 19, 2024
    Assignee: KNAUF GIPS KG
    Inventors: Stephan Dietz, Sebastian Förthner, Claus-Peter Berneth, Manfred Baier, Achim Meier, Linda Keppler, Anne Rückel
  • Patent number: 12122878
    Abstract: A binder comprising the products of a carbohydrate reactant and polyamine is disclosed. The binder is useful for consolidating loosely assembled matter, such as fibers. Uncured fibrous products comprising fibers in contact with a carbohydrate reactant and a polyamine are also disclosed. The binder composition may be cured to yield a fibrous product comprising fibers bound by a cross-linked polymer. Further disclosed are methods for binding fibers with the carbohydrate reactant and polyamine based binder.
    Type: Grant
    Filed: October 8, 2023
    Date of Patent: October 22, 2024
    Assignees: Knauf Insulation, Inc., Knauf Insulation SPRL
    Inventors: Charles Fitch Appley, Carl Hampson, Gert R Mueller, Benedicte Pacorel
  • Patent number: 12123188
    Abstract: A panel with one or more perforations, having a front surface, wherein the contrast Cm between the front surface and the one or more perforations is less than 0.3, a sound absorbing system including a panel and a masking layer, wherein the masking layer is air permeable, and the use of the panel or the sound absorbing system.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: October 22, 2024
    Assignee: KNAUF GIPS KG
    Inventors: Klaudius Hengst, Ruth Schnobrich, Klaus Holfelder
  • Publication number: 20240342966
    Abstract: A method for producing a molded part from a foamed plastic in a mold cavity which is delimited by walls of an at least two-part, open- and closable molding tool including the steps: closing of the molding tool to prepare the mold cavity; pouring a particulate granulate of the plastic into the mold cavity; heating the granulate through the introduction of steam into the filled mold cavity at such a temperature and steam pressure that the granulate expands and is melted to form a molded part; cooling the molded part in the mold cavity; opening the molding tool and removal of the molded part, wherein the steam that is introduced into the mold cavity is conveyed through steam chambers which are positioned on the side of the walls of the molding tool opposite from the mold cavity and communicate with the mold cavity by openings that pass through the walls, and wherein before and/or during the closing of the molding tool, a temperature control medium inside the walls of the molding tool is guided in a cavity which
    Type: Application
    Filed: September 15, 2023
    Publication date: October 17, 2024
    Applicant: Knauf Industries Additive GmbH
    Inventor: Simon Scheuer
  • Patent number: 12110465
    Abstract: A device includes a desulfurization system which forms a hydrogen sulfide-containing acid gas; a system for extracting elemental sulfur and a hydrogen sulfide-containing tail gas as exhaust gas; a device for generating electricity and gypsum from the tail gas; and a gas line system for supplying acid gas from the desulfurization system to the system for extracting elemental sulfur and to the device for generating electricity and gypsum, and for supplying tail gas from the system for extracting elemental sulfur to the device for generating electricity and gypsum. The gas line system has a gas distributing apparatus which supplies acid gas solely to the system in a first position, supplies acid gas solely to the device in a second position, and supplies a first part of the acid gas to the system and a second part of the acid gas to the device in a distributing position.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: October 8, 2024
    Assignee: KNAUF GIPS KG
    Inventor: Rolf Hueller
  • Patent number: 12110691
    Abstract: Method of attaching a lining 1 to an interior surface 10 of a room comprising the steps of: providing a first sheet of lining 1 to be applied to the interior surface 10; applying a plurality of glue dots 2 to the interior surface 10 or to the first sheet of lining 1; and attaching the first sheet of the lining 1 to the interior surface 10 such that the first sheet of lining 1 is fixed to the interior surface 10 via the glue dots.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: October 8, 2024
    Assignee: Knauf Gips KG and 3D Coatings GmbH & Co. KG
    Inventors: Matthias Schäfer, Claus-Peter Berneth, Gottfried Philipp, Andreas Marquardt
  • Patent number: 12104089
    Abstract: The present invention relates to a water-soluble pre-reacted binder composition, a method of its manufacture, a use of said pre-reacted binder composition, a method of manufacturing a collection of matter bound by a polymeric binder, a binder solution or dispersion comprising said pre-reacted binder composition, as well as products comprising the pre-reacted binder composition in a cured state.
    Type: Grant
    Filed: August 14, 2023
    Date of Patent: October 1, 2024
    Assignees: Knauf Insulation, Inc., Knauf Insulation SPRL
    Inventors: Carl Hampson, Benedicte Pacorel, Roger Jackson
  • Patent number: 12091854
    Abstract: The invention relates to a construction panel with high resistance to fire and to a method for producing a construction panel with high resistance to fire.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: September 17, 2024
    Assignee: Knauf Performance Materials GmbH
    Inventors: Thomas Koslowski, Werner Schwiebacher, Kai Martin, Bert Naurath, Albert Klöckener
  • Patent number: 12091568
    Abstract: The invention relates to a composition for a pasty fill and finishing material, a pasty fill and finishing material, and a method for producing a pasty fill and finishing material. The composition comprises at least one filler, at least one binding agent, and additives, wherein the at least one filler has a density dependent flowability (ff?) value of from 3 to 20.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: September 17, 2024
    Assignee: KNAUF GIPS KG
    Inventors: Norbert Wings, Claudia Van Sloun, Elena Heinrich, Sebastian Mischke
  • Publication number: 20240271418
    Abstract: The invention relates to a drywall comprising a first wall section (2) with first stud elements (4), wherein the first stud elements are arranged with a first regular centre distance, wherein in the first wall section a first panelling (5) is arranged at least on one room side (R) of the first stud elements (4). The drywall is characterized by a second wall section (3) with second stud elements (6), wherein a second panelling (7) is arranged in the second wall section at least on the room side (R) of the second stud elements (6) and wherein the second stud elements are arranged with a second regular centre distance (C) which is smaller than the first regular centre distance (A). The invention also relates to a kit and a method for constructing a drywall.
    Type: Application
    Filed: December 16, 2019
    Publication date: August 15, 2024
    Applicant: Knauf Gips KG
    Inventors: Jochen Seidel, Volker Müller
  • Patent number: 12054514
    Abstract: A binder comprising a polymeric binder comprising the products of a carbohydrate reactant and nucleophile is disclosed. The binder is useful for consolidating loosely assembled matter, such as fibers. Fibrous products comprising fibers in contact with a carbohydrate reactant and a nucleophile are also disclosed. The binder composition may be cured to yield a fibrous product comprising fibers bound by a cross-linked polymer. Further disclosed are methods for binding fibers with the carbohydrate reactant and polyamine based binder.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: August 6, 2024
    Assignees: Knauf Insulation, Inc., Knauf Insulation SPRL
    Inventors: Gert R. Mueller, Charles Fitch Appley, Benedicte Pacorel, Carl Hampson
  • Patent number: 12044008
    Abstract: A building panel with a high degree of isotropy with regard to the load bearing capacity and flexural strength. The building panel includes a first section and a second section, each section including at least one layer, each of the at least one layer having fibers, whereby the fibers are distributed substantially homogeneously throughout each layer, substantially parallel to the main surfaces of the panel and oriented predominantly in the same direction and the sections are firmly joined in transverse direction, and the first section is thinner than the second section.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: July 23, 2024
    Assignee: KNAUF GIPS KG
    Inventor: André Maun
  • Patent number: 12036561
    Abstract: A method of producing a gypsum slurry for forming gypsum products, in particular gypsum boards, preferably gypsum paper boards, the method including the steps of: a) providing a gypsum paper product comprising a gypsum and a paper component, in particular a gypsum paper board, and/or broken parts thereof; b) wet grinding the gypsum paper product and/or the broken parts thereof containing at least parts of the paper component to form a wet ground gypsum paper component.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: July 16, 2024
    Assignee: Knauf Gips KG
    Inventors: Martin Halbach, Tong Liu
  • Patent number: 12018483
    Abstract: An acoustic baffle (1) to be arranged in a building for the absorption of sound propagating there through, the acoustic baffle (1) comprising at least one panel (2) of a sound absorbing material, wherein the baffle (1) comprises at least one edge portion (3) having a recess (4) arranged therein of a size and shape so as to be capable of accommodating a suspension profile (8) in form-fit therein.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: June 25, 2024
    Assignee: Knauf Gips KG
    Inventors: Karl Michael Knoblauch, Markus Riessler, Michael Viebahn
  • Patent number: 11976006
    Abstract: 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: Grant
    Filed: January 25, 2021
    Date of Patent: May 7, 2024
    Assignee: KNAUF GIPS KG
    Inventors: Tyler Kincaid, Rafael Bury
  • Publication number: 20240123658
    Abstract: 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: Application
    Filed: September 26, 2023
    Publication date: April 18, 2024
    Applicant: KNAUF INDUSTRIES GESTION
    Inventor: Fabrice GRAND