Patents by Inventor Werner Van Ingelgem

Werner Van Ingelgem 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).

  • Patent number: 12672988
    Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent core positioned between the liquid pervious topsheet and the liquid impervious backsheet; said absorbent article having a first and second longitudinal edge and a first and second transverse edge; wherein the absorbent core comprises a top core sheet, a back core sheet, and absorbent material arranged partially between the top core sheet and the back core sheet; wherein at least one of the top core sheet and the back core sheet comprises at least one attachment portion which is attached to the other one of the top core sheet and the back core sheet forming at least one attachment zone, and at least one edge portion having at least one free edge and covering a portion of the absorbent material.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: July 7, 2026
    Assignee: Drylock Technologies NV
    Inventors: Werner Van Ingelgem, Steven Smet, Bart Van Malderen
  • Publication number: 20260174604
    Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent core comprising an absorbent material between a top core wrap sheet and a back core wrap sheet, said absorbent core being positioned in between said topsheet and said backsheet, said absorbent core having a first and second longitudinal edge and a first and second transverse edge, said absorbent core having a first portion (130a), (130b) and a second portion (130b), (130a) on either side of a transverse crotch line (L), wherein the absorbent core is provided with a plurality of attachment zones where the top core wrap sheet is attached to the back core wrap sheet, wherein, measured in a transverse direction, a first maximum distance between a first and a second attachment zone is bigger than a second maximum distance between a third and a fourth attachment zone.
    Type: Application
    Filed: February 16, 2026
    Publication date: June 25, 2026
    Inventors: Steven Smet, Werner Van Ingelgem, Tom Derycke, Dries Verduyn
  • Publication number: 20260130804
    Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, absorbent material positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a capillary acceleration sheet between the absorbent material and the liquid pervious topsheet, wherein the absorbent material, typically comprising superabsorbent particles, is arranged on a bottom core wrap sheet such that one or more channels are formed, wherein less absorbent material per surface area is present in the one or more channels compared to an area around the one or more channels, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the capillary acceleration sheet comprises at least one meltblown layer, and wherein the at least one meltblown layer represents between 2 and 8 weight % of the weight of the capillary acceleration sheet.
    Type: Application
    Filed: January 8, 2026
    Publication date: May 14, 2026
    Inventors: Werner Van Ingelgem, Tom Derycke, Steven Smet, Bart Van Malderen
  • Patent number: 12544278
    Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a capillary acceleration sheet (400) between the absorbent material and the liquid pervious topsheet, wherein the absorbent material, typically comprising superabsorbent particles, is arranged on a bottom core wrap sheet such that one or more channels are formed, wherein less absorbent material per surface area is present in the one or more channels compared to an area around the one or more channels, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the capillary acceleration sheet (400) comprises at least one meltblown layer, and wherein the at least one meltblown layer represents between 2 and 8 weight % of the weight of the capillary acceleration sheet.
    Type: Grant
    Filed: November 25, 2021
    Date of Patent: February 10, 2026
    Assignee: Drylock Technologies NV
    Inventors: Werner Van Ingelgem, Tom Derycke, Steven Smet, Bart Van Malderen
  • Patent number: 12396897
    Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent core comprising an absorbent material between a top core wrap sheet and a back core wrap sheet, said absorbent core being positioned in between said topsheet and said backsheet, wherein the absorbent core is provided with at least one attachment zone between the top core wrap sheet and the back core wrap sheet, wherein a first binder is arranged in a first area between the top core wrap sheet and the back core wrap sheet at a distance from the at least one attachment zone, on one of the top core wrap sheet and the back core wrap sheet and a second binder is arranged in a second area between the top core wrap sheet and the back core wrap sheet, on the other of the top core wrap sheet and the back core wrap sheet.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: August 26, 2025
    Assignee: Drylock Technologies NV
    Inventors: Steven Smet, Werner Van Ingelgem, Tom Derycke
  • Patent number: 12357515
    Abstract: An absorbent article having a front edge intended to be positioned at a front side of a person and a rear edge intended to be positioned at a rear side of a person, said absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent material between said topsheet and said backsheet, wherein at least a first spacer element is included between said topsheet and said backsheet, wherein the first spacer element has a top side facing the topsheet, a bottom side facing the backsheet, and a number of lateral sides between the top and the bottom side, and wherein the absorbent material extends along at least two opposite lateral sides of the first spacer element; said first spacer element being configured to guide liquid to the absorbent material upon wetting of the absorbent article.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: July 15, 2025
    Assignee: Drylock Technologies NV
    Inventors: Bart Van Malderen, Steven Smet, Werner Van Ingelgem
  • Publication number: 20240041668
    Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a bottom layer between the absorbent material and the liquid impervious backsheet, wherein the absorbent material comprises superabsorbent particles and cellulosic fluff pulp and Nis arranged such that one or more channels are formed, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the bottom layer is in contact with the absorbent material and has an average density between 20 and 400 kg/m3, preferably between 20 and 300 kg/m3, more preferably between 20 and 250 kg/m3, even more preferably between 20 and 200 kg/m3, e.g. between 20 and 120 kg/m3.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 8, 2024
    Inventors: Tom Derycke, Werner Van Ingelgem
  • Publication number: 20240024172
    Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material (130) comprising superabsorbent polymer particles, positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a capillary acceleration sheet (400) between the absorbent material and the topsheet, wherein the absorbent material is arranged on a bottom core wrap sheet such that one or more channels (140, 150, 160, 170) are formed, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the capillary acceleration sheet (400) comprises a first layer (401) having a first dtex value between 2 and 6 and a second layer (402) having a second dtex value between 0.6 and 3, and wherein the first dtex value is higher than the second dtex value, wherein the second layer (402) is closer to the absorbent material (130) than the first layer (401).
    Type: Application
    Filed: December 20, 2021
    Publication date: January 25, 2024
    Inventors: Steven Smet, Tom Derycke, Werner Van Ingelgem, Bart Van Malderen
  • Publication number: 20240024174
    Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a bottom distribution assembly between the absorbent material and the liquid impervious backsheet, wherein the absorbent material comprises superabsorbent particles and is arranged such that one or more channels are formed, wherein substantially no absorbent material is present in the one or more channels, wherein the bottom distribution assembly comprises a first layer and a second layer, wherein said first layer has a first density between 20 and 150 kg/m3 and said second layer has a second density between 100 and 400 kg/m3, said second density being higher than the first density, wherein said first layer is closer to the absorbent material than said second layer.
    Type: Application
    Filed: November 25, 2021
    Publication date: January 25, 2024
    Inventors: Steven Smet, Tom Derycke, Werner Van Ingelgem, Bart van Malderen
  • Publication number: 20230404822
    Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a capillary acceleration sheet (400) between the absorbent material and the liquid pervious topsheet, wherein the absorbent material, typically comprising superabsorbent particles, is arranged on a bottom core wrap sheet such that one or more channels are formed, wherein less absorbent material per surface area is present in the one or more channels compared to an area around the one or more channels, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the capillary acceleration sheet (400) comprises at least one meltblown layer, and wherein the at least one meltblown layer represents between 2 and 8 weight % of the weight of the capillary acceleration sheet.
    Type: Application
    Filed: November 25, 2021
    Publication date: December 21, 2023
    Inventors: Werner Van Ingelgem, Tom Derycke, Steven Smet, Bart Van Malderen
  • Patent number: 11806220
    Abstract: A method for manufacturing an absorbent article, said method comprising guiding a first sheet material along a rotating member, wherein a surface of said rotating member is provided with a pattern with at least one suction zone and at least one non-suction zone; applying an absorbent material on said first sheet material on the rotating member; locally removing the absorbent material applied on at least one attachment portion of the first sheet material located above the at least one non-suction zone, such that at least one remaining portion of the first sheet material located above the at least one suction zone is covered with absorbent material and substantially no absorbent material is present on the at least one attachment portion; applying a second sheet material on top of the absorbent material on the first sheet material.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: November 7, 2023
    Assignee: Drylock Technologies NV
    Inventors: Werner Van Ingelgem, Steven Smet, Tom Derycke, Dries Verduyn
  • Publication number: 20230064927
    Abstract: A package (1000) comprising a bag (100) and a stack of absorbent articles (200) having a substantially rectangular shape, wherein the stack of absorbent articles is arranged in the bag, wherein the bag (100) is made of a paper material having a basis weight between 60 and 100 g/m2 measured according to the ISO 536 standard, wherein the bag (100) has a closed bottom (110), a closed top (120), and a peripheral wall (130) betwen said bottom and said top, wherein the bag is provided at least on an inner surface of the bag near the top, with a sealable coating (140); wherein the closed top (120) is realized by a sealed portion (145) of said sealable coating (140).
    Type: Application
    Filed: February 17, 2021
    Publication date: March 2, 2023
    Inventors: Werner Van Ingelgem, Rik Daelemans, Pieter Hommez, Steven Smet, Bart Van Malderen
  • Publication number: 20230039880
    Abstract: An absorbent article comprising a liquid pervious topsheet (300), a liquid impervious backsheet (200), absorbent material positioned between the liquid pervious topsheet and the liquid impervious backsheet, and a capillary acceleration sheet (400) between the absorbent material and the liquid pervious topsheet, wherein the absorbent material is arranged on a bottom core wrap sheet such that one or more channels are formed, wherein less absorbent material per surface area is present in the one or more channels compared to an area around the one or more channels, wherein preferably substantially no absorbent material is present in the one or more channels, wherein the capillary acceleration sheet (400) has a basis weight between 15 and 55 g/m2 and comprises fibres having an average diameter between 10 and 35 micron, preferably between 15 and 30 micron, more preferably between 17 and 27 micron.
    Type: Application
    Filed: February 10, 2021
    Publication date: February 9, 2023
    Inventors: Werner Van Ingelgem, Tom Derycke, Steven Smet, Bart Van Malderen
  • Publication number: 20230000694
    Abstract: A swim diaper comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent core positioned in between said topsheet and said backsheet; wherein the absorbent core is substantially free of superabsorbent polymers; wherein, looking from the front transverse edge to the rear transverse edge, the absorbent core comprises subsequently a first, second, third and fourth zone; wherein said first and second zone extend in the front part of the absorbent core and said third and fourth zone extend in the rear part; and wherein the absorbent core is provided with one or more reinforcement zones, extending at least partially in the second and/or third zone.
    Type: Application
    Filed: November 25, 2020
    Publication date: January 5, 2023
    Inventor: Werner Van Ingelgem
  • Patent number: 11529268
    Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent structure positioned in between said topsheet and said backsheet, wherein the absorbent structure comprises an absorbent core positioned in between the topsheet and the backsheet, a release structure being positioned in fluid communication with the absorbent core, said absorbent core comprising little to no cellulose fibers and/or fluff pulp and said absorbent core comprising an absorbent polymer material for absorbing and permanently holding fluids received from the topsheet and the release structure, wherein said release structure comprises at least one fibrous substrate structure having the capacity to receive and temporarily hold the fluids in proximity to the absorbent core so that the fluids can subsequently be transferred and released to and absorbed by the absorbent core.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: December 20, 2022
    Assignee: Drylock Technologies NV
    Inventors: Bart Van Malderen, Werner Van Ingelgem, Tom Derycke, Steven Smet
  • Publication number: 20220233364
    Abstract: A method for manufacturing an absorbent article, said method comprising guiding a first sheet material along a rotating member, wherein a surface of said rotating member is provided with a pattern with at least one suction zone and at least one non-suction zone; applying an absorbent material on said first sheet material on the rotating member; locally removing the absorbent material applied on at least one attachment portion of the first sheet material located above the at least one non-suction zone, such that at least one remaining portion of the first sheet material located above the at least one suction zone is covered with absorbent material and substantially no absorbent material is present on the at least one attachment portion; applying a second sheet material on top of the absorbent material on the first sheet material.
    Type: Application
    Filed: April 12, 2022
    Publication date: July 28, 2022
    Inventors: Werner Van Ingelgem, Steven Smet, Tom Derycke, Dries Verduyn
  • Patent number: 11331228
    Abstract: A method for manufacturing an absorbent article, said method comprising guiding a first sheet material along a rotating member, wherein a surface of said rotating member is provided with a pattern with at least one suction zone and at least one non-suction zone; applying an absorbent material on said first sheet material on the rotating member; locally removing the absorbent material applied on at least one attachment portion of the first sheet material located above the at least one non-suction zone, such that at least one remaining portion of the first sheet material located above the at least one suction zone is covered with absorbent material and substantially no absorbent material is present on the at least one attachment portion; applying a second sheet material on top of the absorbent material on the first sheet material.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: May 17, 2022
    Assignee: Drylock Technologies NV
    Inventors: Werner Van Ingelgem, Steven Smet, Tom Derycke, Dries Verduyn
  • Publication number: 20210290449
    Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent core comprising an absorbent material between a top core wrap sheet and a back core wrap sheet, said absorbent core being positioned in between said topsheet and said backsheet; said absorbent core having a first and second longitudinal edge (131, 132) and a front and rear transverse edge (133, 134), wherein the absorbent core is provided with a plurality of attachment zones where the top core wrap sheet is attached to the back core wrap sheet, wherein the plurality of attachment zones comprises: at least a first and a second elongate attachment zone, said first and second elongate attachment zone extending next to each other from a crotch region in the direction of the front and/or rear transverse edge; at least one connecting attachment zone connecting said first attachment zone with said second attachment zone.
    Type: Application
    Filed: May 14, 2018
    Publication date: September 23, 2021
    Inventors: Steven Smet, Werner Van Ingelgem, Tom Derycke, Dries Verduyn
  • Publication number: 20210236352
    Abstract: An absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent core positioned between the liquid pervious topsheet and the liquid impervious backsheet; said absorbent article having a first and second longitudinal edge and a first and second transverse edge; wherein the absorbent core comprises a bottom core wrap sheet, absorbent material, and a liquid management structure, wherein the absorbent material is positioned directly between the bottom core wrap sheet and the liquid management structure; and wherein the liquid management structure covers at least a surface portion of the absorbent material and comprises at least one channel portion forming at least one channel zone in the absorbent core.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 5, 2021
    Inventors: Werner Van Ingelgem, Steven Smet, Bart Van Malderen
  • Publication number: 20210161727
    Abstract: A method for manufacturing an absorbent article, said method comprising guiding a first sheet material along a rotating member, wherein a surface of said rotating member is provided with a pattern with at least one suction zone and at least one non-suction zone; applying an absorbent material on said first sheet material on the rotating member; locally removing the absorbent material applied on at least one attachment portion of the first sheet material located above the at least one non-suction zone, such that at least one remaining portion of the first sheet material located above the at least one suction zone is covered with absorbent material and substantially no absorbent material is present on the at least one attachment portion; applying a second sheet material on top of the absorbent material on the first sheet material.
    Type: Application
    Filed: May 14, 2018
    Publication date: June 3, 2021
    Inventors: Werner Van Ingelgem, Steven Smet, Tom Derycke, Dries Verduyn