Patents by Inventor Ulf Dahlmann

Ulf Dahlmann 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: 12404210
    Abstract: An at least partially crystallized glass includes at least one crystal phase and pores which are distributed in the at least partially crystallized glass in a structured manner.
    Type: Grant
    Filed: November 1, 2023
    Date of Patent: September 2, 2025
    Assignee: Schott AG
    Inventors: Christian Mix, Ina Mitra, Ulf Dahlmann, Jens Suffner, Martun Hovhannisyan, Björn Ramdohr
  • Publication number: 20240059606
    Abstract: An at least partially crystallized glass includes at least one crystal phase and pores which are distributed in the at least partially crystallized glass in a structured manner.
    Type: Application
    Filed: November 1, 2023
    Publication date: February 22, 2024
    Applicant: Schott AG
    Inventors: Christian Mix, Ina Mitra, Ulf Dahlmann, Jens Suffner, Martun Hovhannisyan, Björn Ramdohr
  • Patent number: 11840479
    Abstract: The disclosure relates to a bond produced with an at least partially crystallized glass, such as a metal-to-glass bond, in particular a metal-to-glass bond in a feed-through element or connecting element, and to a method for producing such a bond, in particular in a feed-through element or connecting element. The at least partially crystallized glass includes at least one crystal phase and pores which are distributed in the at least partially crystallized glass in a structured manner.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: December 12, 2023
    Assignee: Schott AG
    Inventors: Christian Mix, Ina Mitra, Ulf Dahlmann, Jens Suffner, Martun Hovhannisyan, Björn Ramdohr
  • Patent number: 11342593
    Abstract: An additive for electrochemical energy storages is disclosed, wherein the additive contains at least one silicon- and alkaline earth metal-containing compound V1 which in contact with a fluorine-containing compound V2 in the energy storage forms at least one compound V3 selected from the group consisting of silicon- and fluorine-containing, lithium-free compounds V3a, alkaline earth metal- and fluorine-containing, lithium-free compounds V3b, silicon-, alkaline earth metal- and fluorine-containing, lithium-free compounds V3c and combinations thereof. Also disclosed is an electrochemical energy storage containing the additive.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: May 24, 2022
    Assignee: SCHOTT AG
    Inventors: Miriam Kunze, Ulrich Peuchert, Olaf Claussen, Ulf Dahlmann, Ralf Eiden, Sylvia Biedenbender, Andreas Roters, Gabriele Roemer-Scheuermann, Joerg Schuhmacher
  • Patent number: 11136260
    Abstract: The invention relates to a radiopaque glass having a refractive index nd of 1.480 to 1.561, this glass, apart from impurities at most, being free from SrO and PbO. The glass is based on the SiO2, Al2O3 and B2O3 system. The radiopacity can be adjusted using Cs2O in particular in combination with BaO and/or SnO2 optionally in conjunction with fluorine. The glass may be used in particular as dental glass or as optical glass.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: October 5, 2021
    Assignee: SCHOTT AG
    Inventors: Ulf Dahlmann, Sabine Pichler-Wilhelm, Jens Suffner, Simone Monika Ritter
  • Patent number: 10751831
    Abstract: A feed-through component for a conductor feed-through which passes through a part of a housing, for example a battery housing, is embedded in a glass or glass ceramic material and has at least one conductor, for example an essentially pin-shaped conductor, and a head part. The surface, in particular the cross-sectional surface, of the head part is greater than the surface, in particular the cross-sectional surface, of the conductor, for example of the essentially pin-shaped conductor. The head part is embodied such that is can be joined to an electrode-connecting component, for example an electrode-connecting part, which may be made of copper, a copper alloy CuSiC, an aluminum alloy AlSiC or aluminum, with a mechanically stable and non-detachable connection.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: August 25, 2020
    Assignee: Schott AG
    Inventors: Frank Kroll, Helmut Hartl, Andreas Roters, Hauke Esemann, Dieter Goedeke, Ulf Dahlmann, Sabine Pichler-Wilhelm, Martin Landendinger, Linda Johanna Backnaes
  • Patent number: 10622596
    Abstract: An electric energy production device or an electric energy storage device including a housing and a feed-through. The feed-through includes at least one body which has at least one opening through which the at least one conductor in an electrically insulating material is fed. The insulating material has a layer structure of at least two layers wherein a top layer being arranged towards the outside of the electric energy production device or the electric energy storage device consists of a sealing glass and an inner layer one of comprises and consists of a further glass material or glass ceramic material. The electrically insulated material is bonded with at least one of the base body and the conductor, wherein the sealing glass one of includes and consists of titanium glass.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: April 14, 2020
    Assignee: Schott AG
    Inventors: Ulf Dahlmann, Frank Kroll, Sabine Pichler-Wilhelm, Sabrina Wimmer, Jorg Witte
  • Publication number: 20200010354
    Abstract: Glasses and glass products which combine the chemical temperability with very good alkali and acid resistance, hydrolytic resistance, as well as a desired coefficient of thermal expansion are provided. The glass has a composition characterized by the following constituent phases: a composition characterized by the following constituent phases: 20-60 mol % albite; 0-40 mol % silicon dioxide; 0-20 mol % orthoclase; 0-10 mol % wollastonite; 0-20 mol % enstatite; 0-20 mol % parakeldyshite; 0-20 mol % narsarsukite; 0-40 mol % disodium zinc silicate; 0-20 mol % cordierite; 0-10 mol % strontium silicate; and 0-10 mol % barium silicate.
    Type: Application
    Filed: July 2, 2019
    Publication date: January 9, 2020
    Applicant: Schott AG
    Inventors: Ulrich Fotheringham, Peter Nass, Michael Schwall, Christian Mix, Ulf Dahlmann
  • Patent number: 10442723
    Abstract: An alkali borosilicate glass is provided that includes: SiO2 70-86 wt % Al2O3 0-5 wt % B2O3 9.0-25 wt % Na2O 0.5-5.0 wt % K2O 0-1.0 wt %, and Li2O 0-1.0 wt %. The proportions of the components are chosen in such a way that the weighted crosslinking index, that is, the mean number n of constraints per atom has a value greater than 2.9.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: October 15, 2019
    Assignee: SCHOTT AG
    Inventors: Gerhard Lautenschlaeger, Jochen Alkemper, Ulf Dahlmann, Ulrich Fotheringham
  • Publication number: 20190233325
    Abstract: The invention relates to a radiopaque glass having a refractive index nd of 1.480 to 1.561, this glass, apart from impurities at most, being free from SrO and PbO. The glass is based on the SiO2, Al2O3 and B2O3 system. The radiopacity can be adjusted using Cs2O in particular in combination with BaO and/or SnO2 optionally in conjunction with fluorine. The glass may be used in particular as dental glass or as optical glass.
    Type: Application
    Filed: April 8, 2019
    Publication date: August 1, 2019
    Applicant: SCHOTT AG
    Inventors: Ulf Dahlmann, Sabine Pichler-Wilhelm, Jens Suffner, Simone Monika Ritter
  • Patent number: 10301212
    Abstract: The amorphous, or at least partially crystalline, glass-based joining material is suitable for high-temperature applications, particularly in fuel cells and/or sensors. In addition to SiO2 and B2O3 as glass formers, the joining material similarly contains BaO and CaO, whereby the amount of Al2O3 is limited. The joining material has a coefficient of linear thermal expansion of at least 7.0·10?6 K?1 in a range of 20° C. to 300° C. The joining material can be used for joining ferritic high-grade steels and/or chromium-containing alloys and/or ceramics, such as stabilized zirconium oxide and/or aluminium oxide.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: May 28, 2019
    Assignee: SCHOTT AG
    Inventors: Ulf Dahlmann, Sabine Pichler-Wilhelm, Jens Suffner
  • Publication number: 20190112225
    Abstract: The disclosure relates to a bond produced with an at least partially crystallized glass, such as a metal-to-glass bond, in particular a metal-to-glass bond in a feed-through element or connecting element, and to a method for producing such a bond, in particular in a feed-through element or connecting element. The at least partially crystallized glass includes at least one crystal phase and pores which are distributed in the at least partially crystallized glass in a structured manner.
    Type: Application
    Filed: December 21, 2018
    Publication date: April 18, 2019
    Applicant: Scott AG
    Inventors: Christian Mix, Ina Mitra, Ulf Dahlmann, Jens Suffner, Martun Hovhannisyan, Björn Ramdohr
  • Patent number: 10224521
    Abstract: A feed-through, in particular a feed-through which passes through part of a housing, in particular a battery housing, for example made of metal, in particular light metal, for example aluminum, an aluminum alloy, AlSiC, magnesium, an magnesium alloy, titanium, a titanium alloy, steel, stainless steel or high-grade steel. The housing part has at least one opening through which at least one conductor, in particular an essentially pin-shaped conductor, embedded in a glass or glass ceramic material, is guided. The base body is, for example, an essentially annular-shaped base body and is hermetically sealed with the housing part such that the helium leakage rate is smaller than 1*10?8 mbar l/sec.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: March 5, 2019
    Assignee: Schott AG
    Inventors: Frank Kroll, Helmut Hartl, Andreas Roters, Hauke Esemann, Dieter Goedeke, Ulf Dahlmann, Sabine Pichler-Wilhelm, Martin Landendinger, Linda Johanna Bartelt
  • Publication number: 20180342714
    Abstract: An electric energy production device or an electric energy storage device including a housing and a feed-through. The feed-through includes at least one body which has at least one opening through which the at least one conductor in an electrically insulating material is fed. The insulating material has a layer structure of at least two layers wherein a top layer being arranged towards the outside of the electric energy production device or the electric energy storage device consists of a sealing glass and an inner layer one of comprises and consists of a further glass material or glass ceramic material. The electrically insulated material is bonded with at least one of the base body and the conductor, wherein the sealing glass one of includes and consists of titanium glass.
    Type: Application
    Filed: July 30, 2018
    Publication date: November 29, 2018
    Applicant: Schott AG
    Inventors: Ulf Dahlmann, Frank Kroll, Sabine Pichler-Wilhelm, Sabrina Wimmer, Jorg Witte
  • Patent number: 10044010
    Abstract: A feed-through includes at least one main body which has at least one opening through which at least one conductor in an electrically insulating material comprising or consisting of a sealing glass is fed, wherein the main body comprises or consists of a light metal and/or a light metal alloy, with an integral bond being formed between the light metal and/or the conductor and the sealing glass, wherein the sealing glass comprises or consists of a titanate glass and has only a small phosphate proportion.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: August 7, 2018
    Assignee: Schott AG
    Inventors: Ulf Dahlmann, Frank Kroll, Sabine Pichler-Wilhelm, Sabrina Wimmer, Jörg Witte
  • Publication number: 20180178312
    Abstract: A feed-through component for a conductor feed-through which passes through a part of a housing, for example a battery housing, is embedded in a glass or glass ceramic material and has at least one conductor, for example an essentially pin-shaped conductor, and a head part. The surface, in particular the cross-sectional surface, of the head part is greater than the surface, in particular the cross-sectional surface, of the conductor, for example of the essentially pin-shaped conductor. The head part is embodied such that is can be joined to an electrode-connecting component, for example an electrode-connecting part, which may be made of copper, a copper alloy CuSiC, an aluminum alloy AlSiC or aluminum, with a mechanically stable and non-detachable connection.
    Type: Application
    Filed: February 23, 2018
    Publication date: June 28, 2018
    Applicant: Schott AG
    Inventors: Frank Kroll, Helmut Hartl, Andreas Roters, Hauke Esemann, Dieter Goedeke, Ulf Dahlmann, Sabine Pichler-Wilhelm, Martin Landendinger, Linda Johanna Backnaes
  • Publication number: 20180029925
    Abstract: The amorphous, or at least partially crystalline, glass-based joining material is suitable for high-temperature applications, particularly in fuel cells and/or sensors. In addition to SiO2 and B2O3 as glass formers, the joining material similarly contains BaO and CaO, whereby the amount of Al2O3 is limited. The joining material has a coefficient of linear thermal expansion of at least 7.0·10?6 K?1 in a range of 20° C. to 300° C. The joining material can be used for joining ferritic high-grade steels and/or chromium-containing alloys and/or ceramics, such as stabilized zirconium oxide and/or aluminium oxide.
    Type: Application
    Filed: July 25, 2017
    Publication date: February 1, 2018
    Inventors: Ulf Dahlmann, Sabine Pichler-Wilhelm, Jens Suffner
  • Patent number: 9799860
    Abstract: A feed-through, for example a battery feed-through for a lithium-ion battery or a lithium ion accumulator, has at least one base body which has at least one opening through which at least one conductor, for example a pin-shaped conductor, embedded in a glass material is guided. The base body contains a low melting material, for example a light metal, such as aluminum, magnesium, AlSiC, an aluminum alloy, a magnesium alloy, titanium, titanium alloy or steel, in particular special steel, stainless steel or tool steel. The glass material consists of the following in mole percent: 35-50% P2O5; 0-14% Al2O3; 2-10% B2O3; 0-30% Na2O; 0-20% M2O, with M being K, Cs or Rb; 0-35% Li2O; 0-20% BaO; and 0-10% Bi2O3, the glass material being free of lead except for contaminants.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: October 24, 2017
    Assignee: Schott AG
    Inventors: Frank Kroll, Helmut Hartl, Andreas Roters, Hauke Esemann, Dieter Goedeke, Ulf Dahlmann, Sabine Pichler-Wilhelm, Martin Landendinger, Linda Johanna Backnaes
  • Publication number: 20170149028
    Abstract: A feed-through, in particular a feed-through which passes through part of a housing, in particular a battery housing, for example made of metal, in particular light metal, for example aluminum, an aluminum alloy, AlSiC, magnesium, an magnesium alloy, titanium, a titanium alloy, steel, stainless steel or high-grade steel. The housing part has at least one opening through which at least one conductor, in particular an essentially pin-shaped conductor, embedded in a glass or glass ceramic material, is guided. The base body is, for example, an essentially annular-shaped base body and is hermetically sealed with the housing part such that the helium leakage rate is smaller than 1*10?8 mbar l/sec.
    Type: Application
    Filed: December 20, 2016
    Publication date: May 25, 2017
    Applicant: Schott AG
    Inventors: Frank Kroll, Helmut Hartl, Andreas Roters, Hauke Esemann, Dieter Goedeke, Ulf Dahlmann, Sabine Pichler-Wilhelm, Martin Landendinger, Linda Johanna Bartelt
  • Patent number: 9616518
    Abstract: A feed-through, in particular a feed-through which passes through part of a housing, in particular a battery housing, for example made of metal, in particular light metal, for example aluminum, an aluminum alloy, AlSiC, magnesium, an magnesium alloy, titanium, a titanium alloy, steel, stainless steel or high-grade steel. The housing part has at least one opening through which at least one conductor, in particular an essentially pin-shaped conductor, embedded in a glass or glass ceramic material, is guided. The base body is, for example, an essentially annular-shaped base body.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: April 11, 2017
    Assignee: Schott AG
    Inventors: Frank Kroll, Helmut Hartl, Andreas Roters, Hauke Esemann, Dieter Goedeke, Ulf Dahlmann, Sabine Pichler-Wilhelm, Martin Landendinger, Linda Johanna Backnaes