Patents by Inventor Stephan Walters

Stephan Walters 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: 20250062318
    Abstract: The present invention is directed to a method for producing a thermally stabilized agglomerated lignin-carbon composite material. The method involves the steps of providing an agglomerated lignin-carbon composite material comprising lignin and at least one carbon additive; and heating the agglomerated lignin-carbon composite material to obtain the thermally stabilized agglomerated lignin-carbon composite material. The invention is also directed to a granular carbon-carbon composite material obtained by heat treatment of the thermally stabilized agglomerated lignin-carbon composite material.
    Type: Application
    Filed: December 7, 2022
    Publication date: February 20, 2025
    Applicant: Stora Enso OYJ
    Inventors: Vilhelm Olsson, Stephan Walter, Mario Wachtler, Mats Lindström
  • Publication number: 20250046816
    Abstract: The present invention is directed to a method for producing an agglomerated lignin-silicon composite material. The method involves the steps of mixing lignin in powder form, at least one silicon-containing active material in powder form and optionally at least one additive; compacting the mixture; and crushing the compacted composite material to obtain an agglomerated lignin-silicon composite material. The invention is also directed to a granular carbon-silicon composite material obtained by heat treatment of the agglomerated lignin-silicon composite material.
    Type: Application
    Filed: December 7, 2022
    Publication date: February 6, 2025
    Applicant: Stora Enso OYJ
    Inventors: Vilhelm Olsson, Stephan Walter, Mario Wachtler
  • Publication number: 20240017494
    Abstract: In one example, a process for depowdering an elastic object made with a 3D printer using powdered build material includes compressing the object progressively from one end of the object to another end of the object.
    Type: Application
    Filed: October 19, 2020
    Publication date: January 18, 2024
    Inventors: Edward Stanley PONOMAREV, Stephan Walter EMMENEGGER, Geoffrey SCHMID
  • Publication number: 20230357013
    Abstract: The present invention relates to bio-based carbon foams, a method for their manufacturing and their use. The method comprises foaming a slurry of cellulose fibres and a biomass component to obtain a biomass-cellulose fibre foam, and carbonization of said biomass-cellulose fibre foam.
    Type: Application
    Filed: September 27, 2021
    Publication date: November 9, 2023
    Applicant: Stora Enso OYJ
    Inventors: David Masson, Stephan Walter, Oruç Köklükaya, Daniel Hult Torron
  • Publication number: 20230357527
    Abstract: The present invention relates to bio-based carbon foams, a method for their manufacturing and their use. The method comprises foaming a slurry of cellulose fibres to obtain a cellulose fibre foam, adding a biomass component to the foam, and carbonization of the biomass-cellulose fibre foam.
    Type: Application
    Filed: September 27, 2021
    Publication date: November 9, 2023
    Applicant: Stora Enso OYJ
    Inventors: David Masson, Stephan Walter
  • Publication number: 20230261174
    Abstract: The present disclosure relates to a method for producing a carbon-silicon composite material powder, comprising: providing a carbon-containing precursor, which is lignin; providing at least one silicon-containing active material; melt-mixing at least said carbon-containing precursor and said silicon-containing active material(s) to a melt-mixture; providing said melt-mixture in a non-fibrous form and cooling the melt- mixture to provide an isotropic intermediate composite material; subjecting said isotropic intermediate composite material to a thermal treatment, wherein said thermal treatment comprises a carbonization step to provide a carbon-silicon composite material, and subjecting said carbon-silicon composite material to pulverization to provide said carbon-silicon composite material powder.
    Type: Application
    Filed: July 2, 2021
    Publication date: August 17, 2023
    Applicant: Stora Enso OYJ
    Inventors: Vilhelm Olsson, Mario Wachtler, Stephan Walter, David Masson, Lena Lönnemark
  • Publication number: 20230235128
    Abstract: The present invention is directed to a process for the production of thermally stabilized agglomerated lignin, which avoids melting and/or significant foaming during subsequent thermal processing. The process comprises the steps of providing agglomerated lignin and heating the agglomerated lignin to obtain thermally stabilized agglomerated lignin. The thermally stabilized lignin can be further processed to a carbon enriched material.
    Type: Application
    Filed: June 10, 2021
    Publication date: July 27, 2023
    Applicant: Stora Enso OYJ
    Inventors: Vilhelm Olsson, Dimitri Areskogh, Stephan Walter
  • Publication number: 20230212010
    Abstract: The present invention is directed to production of granular carbon, prepared from lignin. The process comprises the steps of providing agglomerated lignin, heating the agglomerated lignin to obtain thermally stabilized lignin and subjecting the thermally stabilized agglomerated lignin to heat treatment to obtain granular carbon.
    Type: Application
    Filed: June 10, 2021
    Publication date: July 6, 2023
    Applicant: Stora Enso OYJ
    Inventors: Vilhelm Olsson, Dimitri Areskogh, Stephan Walter
  • Publication number: 20230143450
    Abstract: An example article of footwear includes a forward midsole component, a rearward midsole component, and a bridge component mated with an outsole side of the forward midsole component and an outsole side of the rearward midsole component to permanently attach the forward midsole component and the rearward midsole component to form a midsole of the article of footwear.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 11, 2023
    Inventors: Edward PONOMAREV, Stephan Walter EMMENEGGER
  • Patent number: 11087484
    Abstract: A camera apparatus is provided for detecting a stream of objects moving relative to the camera apparatus having a plurality of individual cameras that each have an image sensor for recording frames, wherein the frames overlap one another in part, having an evaluation unit for compiling frames, and having a geometry detection sensor for detecting geometrical data of the objects. The evaluation unit is here configured to generate an object image assembled from frames of an individual object of the stream of objects, with the selection of the participating frames and/or the assembly taking place on the basis of the geometrical data.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: August 10, 2021
    Assignee: SICK AG
    Inventors: Carl Hafner, Stephan Walter
  • Patent number: 10689256
    Abstract: The present invention relates to a conductive carbon powder emanating essentially from lignin, a method for the manufacturing thereof and use thereof. Said powder may emanate from an electrically conductive carbon intermediate product, in turn emanating essentially from lignin. Further, uses thereof and compositions comprising said carbon powder are disclosed. Additionally methods for manufacturing said conductive carbon powder, also involving an electrically conductive carbon intermediate product emanating essentially from lignin, are disclosed together with a method for making said compositions.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: June 23, 2020
    Assignee: Stora Enso OYJ
    Inventors: Niklas Garoff, Stephan Walter, Gunnar Seide, Thomas Gries, Wilhelm Steinmann, Andreas De Palmenaer
  • Patent number: 10532931
    Abstract: The present invention provides a novel cost efficient method for carbonizing lignocellulosic material to carbonized particles or agglomerates, preferably carbon powder. Also uses of said particles or agglomerates are disclosed.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: January 14, 2020
    Assignee: Stora Enso OYJ
    Inventors: Stephan Walter, Niklas Garoff
  • Publication number: 20190073785
    Abstract: A camera apparatus is provided for detecting a stream of objects moving relative to the camera apparatus having a plurality of individual cameras that each have an image sensor for recording frames, wherein the frames overlap one another in part, having an evaluation unit for compiling frames, and having a geometry detection sensor for detecting geometrical data of the objects. The evaluation unit is here configured to generate an object image assembled from frames of an individual object of the stream of objects, with the selection of the participating frames and/or the assembly taking place on the basis of the geometrical data.
    Type: Application
    Filed: July 24, 2018
    Publication date: March 7, 2019
    Inventors: Carl HAFNER, Stephan WALTER
  • Publication number: 20180118572
    Abstract: The present invention relates to a conductive carbon powder emanating essentially from lignin, a method for the manufacturing thereof and use thereof. Said powder may emanate from an electrically conductive carbon intermediate product, in turn emanating essentially from lignin. Further, uses thereof and compositions comprising said carbon powder are disclosed. Additionally methods for manufacturing said conductive carbon powder, also involving an electrically conductive carbon intermediate product emanating essentially from lignin, are disclosed together with a method for making said compositions.
    Type: Application
    Filed: December 27, 2017
    Publication date: May 3, 2018
    Inventors: Niklas Garoff, Stephan Walter, Gunnar Seide, Thomas Gries, Wilhelm Steinmann, Andreas De Palmenaer
  • Publication number: 20170313585
    Abstract: The present invention provides a novel cost efficient method for carbonizing lignocellulosic material to carbonized particles or agglomerates, preferably carbon powder. Also uses of said particles or agglomerates are disclosed.
    Type: Application
    Filed: December 11, 2015
    Publication date: November 2, 2017
    Inventors: Stephan Walter, Niklas Garoff
  • Publication number: 20170081497
    Abstract: The present invention relates to an elastic composition comprising a conductive carbon powder, a method for the manufacturing thereof and use thereof.
    Type: Application
    Filed: May 12, 2015
    Publication date: March 23, 2017
    Inventors: Niklas Garoff, Stephan Walter
  • Publication number: 20170073495
    Abstract: The present invention relates to abase polymer material composition comprising a conductive carbon powder, a method for the manufacturing thereof and use thereof.
    Type: Application
    Filed: May 12, 2015
    Publication date: March 16, 2017
    Inventors: Niklas Garoff, Stephan Walter
  • Publication number: 20170073494
    Abstract: The present invention relates to a composition comprising a conductive carbon powder and a foamable polymer, a method for the manufacturing thereof and use thereof. Also a method for making a foam is disclosed, together with a foam obtainable from said method and use thereof.
    Type: Application
    Filed: May 12, 2015
    Publication date: March 16, 2017
    Applicant: Stora Enso OYJ
    Inventors: Niklas Garoff, Stephan Walter
  • Patent number: 9545953
    Abstract: An instrument panel for a vehicle is provided. The instrument panel has a visible side and a rear side. The rear side has at least one free-space portion and at least one fastening portion, and the instrument panel can be fastened in the fastening portion to a vehicle structure of the vehicle. The instrument panel comprises at least one foam body, and the foam body is formed to be elastically deformable. The foam body is arranged between the visible side and the rear side and forms elastically deformable regions on the visible side, and the foam body forms additional elastically deformable regions in the at least one free-space portion on the rear side.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: January 17, 2017
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Stefan Wolff, Joachim Schaefer, Stephan Walter
  • Publication number: 20160332882
    Abstract: The present invention relates to a conductive carbon powder emanating essentially from lignin, a method for the manufacturing thereof and use thereof. Said powder may emanate from an electrically conductive carbon intermediate product, in turn emanating essentially from lignin Further, uses thereof and compositions comprising said carbon powder are disclosed. Additionally methods for manufacturing said conductive carbon powder, also involving an electrically conductive carbon intermediate product emanating essentially from lignin, are disclosed together with a method for making said compositions.
    Type: Application
    Filed: December 22, 2014
    Publication date: November 17, 2016
    Inventors: Niklas Garoff, Stephan Walter, Gunnar Seide, Thomas Gries, Wilhelm Steinmann, Andreas De Palmenaer