Patents by Inventor Jan Gron

Jan Gron 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).

  • Publication number: 20240123573
    Abstract: An abrasive belt is provided which comprises a textile fabric being formed of interconnected yarns, and a coherent abrasive area formed on one side of the textile fabric, wherein the abrasive belt further comprises a plurality of regularly distributed openings in the form of through holes. The abrasive belt allows for a homogenous distribution of the abrasive material and thus an even sanding finish as well as for an appropriate dust removal and appropriate mechanical properties.
    Type: Application
    Filed: December 23, 2023
    Publication date: April 18, 2024
    Inventors: Nicolas Schumacher, Jan Grön, Niina Kyynäräinen, Hans Hede, Mats Sundell
  • Patent number: 11890723
    Abstract: An abrasive belt is provided which comprises a textile fabric being formed of interconnected yarns, and a coherent abrasive area formed on one side of the textile fabric, wherein the abrasive belt further comprises a plurality of regularly distributed openings in the form of through holes. The abrasive belt allows for a homogenous distribution of the abrasive material and thus an even sanding finish as well as for an appropriate dust removal and appropriate mechanical properties.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: February 6, 2024
    Assignee: Mirka Ltd
    Inventors: Nicolas Schumacher, Jan Grön, Niina Kyynäräinen, Hans Hede, Mats Sundell
  • Publication number: 20230249317
    Abstract: An abrasive product has a flexible abrasive area for abrading surfaces to be abraded and comprises: a fabric; a plurality of flexible loops protruding from the fabric towards the flexible abrasive area, wherein each loop is formed by a pair of bottom-half arcs, a pair of legs and a head, wherein the pair of legs connects the pair of bottom-half arcs with the head, the bottom-half arcs of the loops are interlaced in rows in the fabric and form rows of interlaced bottom-half arcs, wherein the legs and heads protrude from the fabric, the heads of the loops are interconnected with one another at a distance to the fabric such that the flexible abrasive area is at a distance to the fabric, and the heads of the loops are at least partially provided with abrasive particles and form the flexible abrasive area.
    Type: Application
    Filed: June 9, 2021
    Publication date: August 10, 2023
    Applicant: Mirka Oy
    Inventors: Niina Kyynäräinen, Jan Grön, Peter Finnäs
  • Patent number: 11407087
    Abstract: Provided is a flexible abrasive product (1) comprising a knitted cloth (2) on a first side of the flexible abrasive product (1), grinding agents (50) applied on a second side of the flexible abrasive product (1) facing the first side, and a plurality of loops (71) protruding from the cloth (2) and from the first side, each loop (71) being formed by a pair of bottom-half arcs (76) connected by a protruding head (77) and the loops (71) being arranged in rows extending in the wale direction (W) of the cloth (2), wherein the bottom-half arcs (76) are interlaced in the cloth (2), and the protruding heads (77) of the loops (71) are interconnected with one another outside of the cloth (2) so as to form rows (73) of interconnected loops (71), which rows (73) extend in the wale direction (W) of the cloth (2).
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: August 9, 2022
    Assignee: MIRKA LTD.
    Inventors: Niina Kyynäräinen, Nicolas Schumacher, Jan Grön
  • Patent number: 10549403
    Abstract: A method of manufacturing a flexible grinding product comprises the steps: a) preparing an open cloth of knitted or woven fabric; b) applying a coating to one surface of the cloth, wherein the coated surface of the cloth has one or more flat portions; c) applying a grinding agent to the coated surface of the cloth. Further, a flexible grinding product has an open cloth, wherein a surface of the cloth is provided with a coating such that the coated surface has one or more flat areas which are at least partially provided with a grinding agent.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: February 4, 2020
    Assignee: KWH Mirka AB
    Inventors: Goran Hoglund, Hans Hede, Nicolas Schumacher, Mats Sundell, Jan Gron
  • Publication number: 20190111543
    Abstract: Provided is a flexible abrasive product (1) comprising a knitted cloth (2) on a first side of the flexible abrasive product (1), grinding agents (50) applied on a second side of the flexible abrasive product (1) facing the first side, and a plurality of loops (71) protruding from the cloth (2) and from the first side, each loop (71) being formed by a pair of bottom-half arcs (76) connected by a protruding head (77) and the loops (71) being arranged in rows extending in the wale direction (W) of the cloth (2), wherein the bottom-half arcs (76) are interlaced in the cloth (2), and the protruding heads (77) of the loops (71) are interconnected with one another outside of the cloth (2) so as to form rows (73) of interconnected loops (71), which rows (73) extend in the wale direction (W) of the cloth (2).
    Type: Application
    Filed: April 4, 2016
    Publication date: April 18, 2019
    Applicant: MIRKA LTD.
    Inventors: Niina Kyynarainen, Nicolas Schumacher, Jan Grön
  • Publication number: 20180133868
    Abstract: An abrasive belt is provided which comprises a textile fabric being formed of interconnected yarns, and a coherent abrasive area formed on one side of the textile fabric, wherein the abrasive belt further comprises a plurality of regularly distributed openings in the form of through holes. The abrasive belt allows for a homogenous distribution of the abrasive material and thus an even sanding finish as well as for an appropriate dust removal and appropriate mechanical properties.
    Type: Application
    Filed: May 8, 2015
    Publication date: May 17, 2018
    Inventors: Nicolas Schumacher, Jan Grön, Niina Kyynäräinen, Hans Hede, Mats Sudell
  • Publication number: 20150343605
    Abstract: A method of manufacturing a flexible grinding product comprises the steps: a) preparing an open cloth of knitted or woven fabric; b) applying a coating to one surface of the cloth, wherein the coated surface of the cloth has one or more flat portions; c) applying a grinding agent to the coated surface of the cloth. Further, a flexible grinding product has an open cloth, wherein a surface of the cloth is provided with a coating such that the coated surface has one or more flat areas which are at least partially provided with a grinding agent.
    Type: Application
    Filed: September 5, 2012
    Publication date: December 3, 2015
    Inventors: Göran Höglund, Hans HEDE, Nicolas SCHUMACHER, Mats SUNDELL, Jan GRÖN
  • Patent number: D807045
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: January 9, 2018
    Assignee: MIRKA OY
    Inventors: Nicolas Schumacher, Jan Gron, Niina Kyynarainen, Hans Hede, Mats Sundell
  • Patent number: D840162
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: February 12, 2019
    Assignee: MIRKA OY
    Inventors: Nicolas Schumacher, Jan Gron, Niina Kyynarainen, Hans Hede, Mats Sundell