Patents by Inventor Matthäus Speck

Matthäus Speck 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: 11187668
    Abstract: The present disclosure includes to a sensor element including a membrane having a first functionalized region and a second functionalized region and including a sensor element body on which the membrane rests. The sensor element body has at least one electrically conductive first conductor and an electrically conductive second conductor electrically insulated from the first conductor. The first conductor is electrically and/or electrolytically conductively connected to the first functionalized region of the membrane, and the second conductor is electrically and/or electrolytically conductively connected to the second functionalized region of the membrane. In another aspect of the present disclosure, a method for fabricating such a sensor element is disclosed.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: November 30, 2021
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Thomas Wilhelm, Matthäus Speck
  • Patent number: 11156580
    Abstract: The present disclosure relates to an electrode of an electrochemical measuring system and includes a housing having a chamber in which an electrolyte is arranged, and a potential-forming element which is at least partially arranged in the chamber such that the electrolyte at least partially wets the potential-forming element. A discharge line is made of coinage metal or of an alloy comprising a coinage metal and contacts the potential-forming element. A closure element closes the housing and guides discharge line therethrough. An adhesion promoter which comprises a glass and/or a glass-ceramic material and is arranged between the closure element and the discharge line.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: October 26, 2021
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Michael Hanko, Conny Fraas, Matthäus Speck
  • Patent number: 11125711
    Abstract: The present disclosure relates to a reference electrode including an electrical conductor, an electrically conductive salt bridge provided for contact with a measuring fluid, and a medium electrically conductively connecting the electrical conductor and the salt bridge to each other, wherein the medium and the electrical conductor are completely isolated with respect to the measuring fluid. The salt bridge comprises a polymer matrix and a conducting salt, the conducting salt is formed from a cation and an anion, and the cation and/or the anion are at least partially kept from leaching in the polymer matrix. The present disclosure further relates to an electrochemical sensor, a method for producing the reference electrode and a method for regenerating and/or conditioning the reference electrode.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: September 21, 2021
    Assignee: Endress+Hauser Conducta GbmH+Co. KG
    Inventor: Matthaeus Speck
  • Patent number: 11119067
    Abstract: The present disclosure relates to a glass electrode including an analyte-sensitive glass membrane, an electrically conductive lead, and an intermediate layer which conductively connects the lead and the glass membrane to one another. According to the present disclosure, the intermediate layer is made of an electron- and/or ion-conducting polymer.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: September 14, 2021
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Matthaeus Speck, Thomas Wilhelm
  • Publication number: 20210172896
    Abstract: A half cell for an electrochemical sensor includes: a housing having a chamber, wherein the chamber includes an electrolyte; an electrically conductive lead in contact with the electrolyte; and a closure element connecting the lead to the housing, wherein the lead has a coating, and the coating includes molecules including a first functional group, which enables the molecule to interact chemically with the lead, and a second functional group different from the first functional group, which enables the molecule to interact chemically with the closure element, wherein a first portion of the molecules with the first functional group are in an intermolecular connection with the lead and the first portion of the molecules and/or a second portion of the molecules with the second functional group are in an intermolecular connection with the closure element.
    Type: Application
    Filed: December 10, 2020
    Publication date: June 10, 2021
    Inventor: Matthäus Speck
  • Publication number: 20210140915
    Abstract: The present disclosure discloses a glass assembly, for forming an electrochemical sensor, comprising a glass immersion tube, a glass membrane connected to a distal end of the immersion tube, wherein the glass which forms the immersion tube contains no lead, no lead compound, no lithium, and no lithium compound.
    Type: Application
    Filed: November 12, 2020
    Publication date: May 13, 2021
    Inventors: Thomas Wilhelm, Matthäus Speck
  • Publication number: 20210055252
    Abstract: The present disclosure relates to a sensor element for a potentiometric sensor, comprising a substrate formed from a metal alloy and an ion-selective enamel layer arranged on the substrate, wherein the metal alloy comprises at least one transition metal and wherein the ion-selective enamel layer contains a proportion of an oxide of the transition metal, and wherein an electrically conductive transition zone is arranged between the substrate and the enamel layer and contains the transition metal in a plurality of different oxidation states.
    Type: Application
    Filed: August 18, 2020
    Publication date: February 25, 2021
    Inventors: Thomas Wilhelm, Matthäus Speck, Michael Hanko
  • Publication number: 20210055253
    Abstract: The present disclosure relates to a method of manufacturing a sensor element for measuring a measurand that is dependent on an ion activity in a measuring fluid, comprising: joining a carrier body comprising a base body made of a liquid-impermeable, electrically insulating ceramic material, wherein the base body has at least one through-opening that is introduced, especially in at least one defined location of the base body, to a sensor element body formed of an ion-selective, especially pH-selective, glass such that a surface of the carrier body contacts the sensor element body and is integrally joined to the sensor element body at least at individual fixation points, especially across the entire surface thereof.
    Type: Application
    Filed: August 18, 2020
    Publication date: February 25, 2021
    Inventors: Thomas Wilhelm, Matthäus Speck
  • Publication number: 20210054493
    Abstract: The present disclosure relates to a method of manufacturing an ion-selective sensor element for a potentiometric sensor, the sensor element having a sensor element body and at least one glass layer arranged on the sensor element body, the method comprising applying the at least one glass layer to the sensor element body by means of a thermal spraying method, in which a powder of glass particles is sprayed onto the sensor element body.
    Type: Application
    Filed: August 18, 2020
    Publication date: February 25, 2021
    Inventors: Thomas Wilhelm, Matthäus Speck
  • Publication number: 20200393404
    Abstract: The present disclosure relates to a potentiometric probe for measuring a measured variable that represents an ion concentration in a measuring medium, including a probe base including a sensor circuit, and two electrochemical half-cells arranged such that one of the half-cells surrounds at least one portion of the other half-cell, wherein at least one of the half-cells is configured as a module which is connected to the probe base via a mechanical and electrical interface. In another embodiment, one of the half-cells is a measuring half-cell including an ion-selective membrane and a terminal lead which electrically contacts the ion-selective membrane. The other half-cell is a reference half-cell, wherein the measuring half-cell and/or the reference half-cell are each configured as a module which is connected to the probe base via a mechanical and electrical interface.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 17, 2020
    Inventors: Michael Hanko, Thomas Wilhelm, Matthäus Speck, Detlev Wittmer, Manfred Jagiella
  • Publication number: 20200393403
    Abstract: The present disclosure relates to an ion-selective electrode for an electrochemical sensor for determining a measurand representing a concentration of an analyte in a measuring medium, including a probe body made of a first material and a sensor element including a base body made of a second material different from the first material and an ion-selective layer arranged on the base body. The probe body is connected to the base body by way of a liquid-tight joint, where the joint is formed by a receptacle, serving as a first joining partner, and a joining section protruding into the receptacle, serving as a second joining partner.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 17, 2020
    Inventors: Michael Hanko, Thomas Wilhelm, Matthäus Speck, Lothar Auerswald
  • Publication number: 20190195824
    Abstract: The present disclosure relates to a reference electrode including an electrical conductor, an electrically conductive salt bridge provided for contact with a measuring fluid, and a medium electrically conductively connecting the electrical conductor and the salt bridge to each other, wherein the medium and the electrical conductor are completely isolated with respect to the measuring fluid. The salt bridge comprises a polymer matrix and a conducting salt, the conducting salt is formed from a cation and an anion, and the cation and/or the anion are at least partially kept from leaching in the polymer matrix. The present disclosure further relates to an electrochemical sensor, a method for producing the reference electrode and a method for regenerating and/or conditioning the reference electrode.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 27, 2019
    Inventor: Matthaeus Speck
  • Publication number: 20190187091
    Abstract: The present disclosure relates to a glass electrode including an analyte-sensitive glass membrane, an electrically conductive lead, and an intermediate layer which conductively connects the lead and the glass membrane to one another. According to the present disclosure, the intermediate layer is made of an electron- and/or ion-conducting polymer.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 20, 2019
    Inventors: Matthaeus Speck, Thomas Wilhelm
  • Publication number: 20190154624
    Abstract: The present disclosure relates to an electrode of an electrochemical measuring system and includes a housing having a chamber in which an electrolyte is arranged, and a potential-forming element which is at least partially arranged in the chamber such that the electrolyte at least partially wets the potential-forming element. A discharge line is made of coinage metal or of an alloy comprising a coinage metal and contacts the potential-forming element. A closure element closes the housing and guides discharge line therethrough. An adhesion promoter which comprises a glass and/or a glass-ceramic material and is arranged between the closure element and the discharge line.
    Type: Application
    Filed: November 21, 2018
    Publication date: May 23, 2019
    Inventors: Michael Hanko, Conny Fraas, Matthäus Speck
  • Publication number: 20190086357
    Abstract: The present disclosure includes to a sensor element including a membrane having a first functionalized region and a second functionalized region and including a sensor element body on which the membrane rests. The sensor element body has at least one electrically conductive first conductor and an electrically conductive second conductor electrically insulated from the first conductor. The first conductor is electrically and/or electrolytically conductively connected to the first functionalized region of the membrane, and the second conductor is electrically and/or electrolytically conductively connected to the second functionalized region of the membrane. In another aspect of the present disclosure, a method for fabricating such a sensor element is disclosed.
    Type: Application
    Filed: September 19, 2018
    Publication date: March 21, 2019
    Inventors: Thomas Wilhelm, Matthäus Speck