Patents Assigned to WPT GMBH
  • Patent number: 11186071
    Abstract: An underlay mat (10) for floor coverings, includes a polyurethane layer (14), a self-adhesive film (20) on the topside of the polyurethane layer (14) and which includes a carrier film (12), a layer of adhesive (22) applied to carrier film (12), and a mesh structure (24) made of fibers which is embedded in the adhesive layer (22), and a removable protective film (26) on the topside of self-adhesive film (20).
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: November 30, 2021
    Assignee: WPT GmbH
    Inventors: Stefan Rose, Ulrich Windmöller, Georg Kruse
  • Patent number: 10493736
    Abstract: An underlay mat (10) for floor coverings, includes a polyurethane layer (14), a nonwoven backing (18) on the underside of polyurethane layer (14), a self-adhesive film (20) on the topside of the polyurethane layer (14) and which includes a carrier film (12), a layer of adhesive (22) applied to carrier film (12), and a mesh structure (24) made of fibers which is embedded in the adhesive layer (22), and a removable protective film (26) on the topside of self-adhesive film (20).
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: December 3, 2019
    Assignee: WPT GmbH
    Inventors: Stefan Rose, Ulrich Windmöller, Georg Kruse
  • Patent number: 10392744
    Abstract: An elastic floor covering (10) in the form of sheets, which can be rolled up, includes a soft core (18) of polyurethane and a layered compound structure (24) disposed on the core (18), and the back of the floor covering (10) is formed by a fiber mat, the fibers of which consist of glass, PET, PP, polyester or renewable raw materials, and which is sealed by a barrier layer on its side facing the core.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: August 27, 2019
    Assignee: WPT GMBH
    Inventors: Stefan Rose, Guido Horst, Ulrich Windmöller
  • Patent number: 9988821
    Abstract: A floor panel (10, 100) with an average density of between 1.5 and 2.5 g/cm3 and a mass per unit area (EN ISO 23997) of between 3.5 and 8 kg/m2, includes at least one soft elastic core layer (12) made from a PU material and a non-slip backing (22) having an embossing, with the lateral edges of the floor panel (10, 100) being contrived such that two adjacently installed floor panels (10, 100) abut against each other along their lateral edges in a non-locking manner.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: June 5, 2018
    Assignee: WPT GmbH
    Inventors: Stefan Rose, Ulrich Windmöller
  • Publication number: 20140255659
    Abstract: An elastic floor covering 10, includes a soft core 18, a decor layer 14 on top of the core 18, a wear layer 12 on top of the decor layer 14 and a backside layer 20 positioned under the core 18, in which at least the core 18, the wear layer 12, and the backside layer 20 are made of polyurethane, and a glass fiber mat 16 is arranged between the core 18 and the decor layer, the decor layer 14 is made of cellulose paper impregnated with polyurethane, the wear layer 12 being made of polyurethane produced from aliphatic polyol, and the core 18 and the backside layer 20 being made of polyurethane produced from an aromatic polyol from renewable primary products.
    Type: Application
    Filed: October 31, 2011
    Publication date: September 11, 2014
    Applicant: WPT GMBH
    Inventor: Ulrich Windmöller