Patents by Inventor Jens Vettermann

Jens Vettermann 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: 11796453
    Abstract: The present disclosure relates to a method for manufacturing a sensor cap with at least one main body and a membrane for an optochemical or electrochemical sensor for determining and/or monitoring the concentration of an analyte in a measuring medium, a corresponding sensor cap, and a corresponding sensor. In one aspect of the present disclosure, a permeable membrane is provided with a surface for contacting the measuring medium, as well as a main body with at least one sector for connecting to the membrane. At least part of the membrane and main body are welded, wherein the membrane is at least partially applied to the at least one sector of the main body and a connection between the main body and membrane is sealed against the measuring medium.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: October 24, 2023
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Erik Hennings, Jens Vettermann, Andreas Löbbert
  • Patent number: 11460429
    Abstract: The present disclosure discloses a method for producing an ISE half-cell, including the steps of: immersing a first end of a hollow body into a membrane solution comprising at least one solvent and an ion-specific ionophore; removing the hollow body from the membrane solution; drying the hollow body and evaporating the solvent from the membrane solution, whereby an ion-selective membrane is created at the immersed end of the hollow body; and completing the hollow body to make an ISE half-cell. The present disclosure also discloses an ISE half-cell that is produced according to such a method. The present disclosure further discloses a sensor and a multiparameter sensor comprising several such ISE half-cells.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: October 4, 2022
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Holm Petzold, Jens Vettermann, Erik Hennings
  • Patent number: 11125714
    Abstract: A potentiometric sensor having a measuring half cell with a conductor element, a reference half cell with a reference element, a measuring circuit connected with the conductor element of the measuring half cell and the reference element of the reference half cell and designed to create a measuring signal that is dependent on a potential difference between the conductor element and the reference element. The measuring half cell further includes a housing having a housing chamber closed off by a first ion-selective membrane and contacted by the conductor element, a first inner electrolyte contained within the housing chamber and contacting the ion-selective membrane. The conductor element includes an inner conductor, especially an inner conductor comprising a metallic conductor, connected with the measuring circuit and a gas-tight barrier separating the inner conductor from the first inner electrolyte.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: September 21, 2021
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Stefan Wilke, Jens Vettermann, Jens Voigtlander, Magdalena Losik, Michael Hanko
  • Patent number: 11105768
    Abstract: The present disclosure relates to a method for producing an exchangeable electrode assembly, with at least one sensor body and at least a first electrode, for an electrochemical sensor for determining the concentration of an analyte in a gaseous or liquid measurement medium, a corresponding electrode assembly, and an electrochemical sensor with an electrode assembly according to the present disclosure. In order to produce the electrode assembly, the following method steps are performed: providing a sensor body, and applying at least a first electrically-conductive material to a first sub-region of the sensor body for producing a first electrode of the electrode assembly.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: August 31, 2021
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Erik Hennings, Jens Vettermann, Christian Fanselow
  • Patent number: 11002703
    Abstract: The disclosure includes an electrochemical half-cell including: a housing; a potential sensing element at least arranged on some segments inside the housing and connected electro-conductively with an electrical contact point outside the housing; and an electrolyte arranged inside the housing, wherein a plurality of hollow bodies is embedded in the electrolyte, especially distributed evenly inside the volume filled by the electrolyte.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: May 11, 2021
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Michael Hanko, Magdalena Losik, Jens Vettermann
  • Publication number: 20210033562
    Abstract: The present disclosure relates to a method for calibrating an analytical measuring device in a measuring point, wherein the method comprises at least the following steps: closing the inlet valve so that no process medium is fed from the first inlet into the measuring point, emptying the measuring point of the process medium through the outlet valve, closing the outlet valve, feeding a predetermined volume of the calibration medium into the measuring point through the inlet valve from the second inlet, circulating the calibration medium through the pump so that the flow circuit is generated and the calibration medium flows against the analytical measuring device, wherein a predetermined flow velocity of the calibration medium is adjusted by the pump, and calibrating the analytical measuring device.
    Type: Application
    Filed: July 29, 2020
    Publication date: February 4, 2021
    Inventors: Torsten Pechstein, Michael Hanko, Dagmar Kaschuba, Erik Hennings, Thomas Pfauch, Stephan Jugert, Jens Vettermann
  • Publication number: 20210033555
    Abstract: The invention relates to a method for calibrating an analytical measuring device in a measuring point. The method includes closing the outlet valve so that no process medium is discharged, closing the inlet valve so that no additional process medium is fed into the measuring point and a volume of process medium is in the measuring point, feeding a predetermined volume of the calibration medium into the measuring point, circulating the calibration medium by means of the pump so that the flow circuit is generated and the calibration medium flows against the analytical measuring device, detecting a first measured for a calibration, repeating the steps of feeding the calibration medium into the measuring point, circulating the calibration medium, and detecting a measured value for the calibration, and evaluating the measured values and performing the calibration.
    Type: Application
    Filed: July 29, 2020
    Publication date: February 4, 2021
    Inventors: Torsten Pechstein, Michael Hanko, Dagmar Kaschuba, Erik Hennings, Thomas Pfauch, Stephan Jugert, Jens Vettermann
  • Patent number: 10830690
    Abstract: The present disclosure relates to a method for manufacturing a sensor cap with at least one main body and a membrane for an optochemical or electrochemical sensor for determining and/or monitoring the concentration of an analyte in a measuring medium, a corresponding sensor cap, and a corresponding sensor. In one aspect of the present disclosure, a permeable membrane is provided with a surface for contacting the measuring medium, as well as a main body with at least one sector for connecting to the membrane. At least part of the membrane and main body are welded, wherein the membrane is at least partially applied to the at least one sector of the main body and a connection between the main body and membrane is sealed against the measuring medium.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: November 10, 2020
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Erik Hennings, Jens Vettermann, Andreas Löbbert
  • Patent number: 10746688
    Abstract: The present disclosure relates to a measuring probe for measuring a concentration of an analyte in a measuring medium represented by a measured variable, including a probe housing having a first housing part and a second housing part, the first housing part being cap shaped closed on a front end by a sensor membrane and detachably connected to the second housing part on a rear end opposite the front end, such that the second housing part closes the cap at the rear end, and the first and the second housing parts define a probe interior sealed by the sensor membrane, a fluid electroyte contained within the probe interior, an overflow channel in communication with the probe interior, and a seal adjacent the probe interior so as to seal the probe interior from the exterior of the measurement probe and simultaneously seal off the overflow channel.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: August 18, 2020
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Erik Hennings, Jens Vettermann
  • Publication number: 20190187089
    Abstract: The present disclosure relates to a method for operating an amperometric sensor for detecting measured values of at least one first measurand that represents a concentration of a first analyte in a measuring fluid, and of at least one second measurand which represents a concentration of a second analyte different from the first analyte. The method includes steps of detecting measured values of the first measurand in a first operating mode of the amperometric sensor, switching the amperometric sensor to a second operating mode different from the first operating mode, and detecting measured values of the second measurand in the second operating mode of the amperometric sensor. The method can be used in monitoring the water quality in drinking water installations or drinking water networks.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 20, 2019
    Inventors: Lars Bondzio, Erik Hennings, Stephan Jugert, Thomas Pfauch, Jens Vettermann
  • Publication number: 20190120786
    Abstract: The present disclosure relates to a sensor for measuring a concentration of an ion dissolved in a measuring solution, comprising a plurality of ion-selective electrodes each having a sensitive surface for contact with the measuring solution, wherein the electrodes comprise consumed and unconsumed electrodes, a reference electrode for contact with the measuring solution, wherein a measured value of an electrical voltage between one of the unconsumed electrodes and the reference electrode is a measure of the concentration of the ion dissolved in the measuring solution, and a measuring transducer for determining the measured value of the voltage and for converting the measured value into a concentration of the ion. The measuring transducer has a switching unit to activate an unconsumed electrode and to deactivate all other electrodes, and the sensitive surfaces of unconsumed electrodes each have a cover covering the sensitive surface against the measuring solution in a medium-tight manner.
    Type: Application
    Filed: October 25, 2018
    Publication date: April 25, 2019
    Inventors: Jens Vettermann, Stephan Jugert, Erik Hennings
  • Publication number: 20190049402
    Abstract: The present disclosure discloses a method for producing an ISE half-cell, including the steps of: immersing a first end of a hollow body into a membrane solution comprising at least one solvent and an ion-specific ionophore; removing the hollow body from the membrane solution; drying the hollow body and evaporating the solvent from the membrane solution, whereby an ion-selective membrane is created at the immersed end of the hollow body; and completing the hollow body to make an ISE half-cell. The present disclosure also discloses an ISE half-cell that is produced according to such a method. The present disclosure further discloses a sensor and a multiparameter sensor comprising several such ISE half-cells.
    Type: Application
    Filed: August 14, 2018
    Publication date: February 14, 2019
    Inventors: Holm Petzold, Jens Vettermann, Erik Hennings
  • Publication number: 20180120252
    Abstract: The present disclosure relates to a measuring probe for measuring a concentration of an analyte in a measuring medium represented by a measured variable, including a probe housing having a first housing part and a second housing part, the first housing part being cap shaped closed on a front end by a sensor membrane and detachably connected to the second housing part on a rear end opposite the front end, such that the second housing part closes the cap at the rear end, and the first and the second housing parts define a probe interior sealed by the sensor membrane, a fluid electroyte contained within the probe interior, an overflow channel in communication with the probe interior, and a seal adjacent the probe interior so as to seal the probe interior from the exterior of the measurement probe and simultaneously seal off the overflow channel.
    Type: Application
    Filed: October 23, 2017
    Publication date: May 3, 2018
    Inventors: Erik Hennings, Jens Vettermann
  • Publication number: 20170356839
    Abstract: The present disclosure relates to a method for manufacturing a sensor cap with at least one main body and a membrane for an optochemical or electrochemical sensor for determining and/or monitoring the concentration of an analyte in a measuring medium, a corresponding sensor cap, and a corresponding sensor. In one aspect of the present disclosure, a permeable membrane is provided with a surface for contacting the measuring medium, as well as a main body with at least one sector for connecting to the membrane. At least part of the membrane and main body are welded, wherein the membrane is at least partially applied to the at least one sector of the main body and a connection between the main body and membrane is sealed against the measuring medium.
    Type: Application
    Filed: June 6, 2017
    Publication date: December 14, 2017
    Inventors: Erik Hennings, Jens Vettermann, Andreas Löbbert
  • Publication number: 20170356871
    Abstract: The present disclosure relates to a method for producing an exchangeable electrode assembly, with at least one sensor body and at least a first electrode, for an electrochemical sensor for determining the concentration of an analyte in a gaseous or liquid measurement medium, a corresponding electrode assembly, and an electrochemical sensor with an electrode assembly according to the present disclosure. In order to produce the electrode assembly, the following method steps are performed: providing a sensor body, and applying at least a first electrically-conductive material to a first sub-region of the sensor body for producing a first electrode of the electrode assembly.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 14, 2017
    Inventors: Erik Hennings, Jens Vettermann, Christian Fanselow
  • Publication number: 20170176371
    Abstract: The present disclosure relates to a method for producing a reference electrode, wherein an internal space of the reference electrode is delimited by an outer wall and wherein the internal space contains a reference electrolyte up to a specified height, wherein the reference electrode is introduced into a pressurization chamber, wherein a defined overpressure is applied to the pressurization chamber and, via an opening that is located above the specified height in the outer wall of the reference electrode to the internal space of the reference electrode, and wherein the opening in the outer wall of the reference electrode is closed at the defined overpressure . The present disclosure further relates to a device for carrying out the method.
    Type: Application
    Filed: December 16, 2016
    Publication date: June 22, 2017
    Inventors: Michael Hanko, Stefanie Jahn, Jens Vettermann
  • Publication number: 20160216230
    Abstract: A potentiometric sensor having: a measuring half cell with a conductor element; a reference half cell with a reference element; a measuring circuit that is connected with the conductor element of the measuring half cell and the reference element of the reference half cell, is designed to create a measuring signal that is dependent on a potential difference between the conductor element and the reference element. The measuring half cell further includes: a housing, in which a housing chamber is formed, which is closed off by a first ion-selective membrane and contacted by the conductor element a first inner electrolyte contained within the housing chamber, contacting the ion-selective membrane, wherein the conductor element includes an inner conductor, especially an inner conductor comprising a metallic conductor, that is connected with the measuring circuit and a gas-tight barrier separating the inner conductor from the first inner electrolyte.
    Type: Application
    Filed: January 27, 2016
    Publication date: July 28, 2016
    Inventors: Stefan Wilke, Jens Vettermann, Jens Voigtlander, Magdalena Losik, Michael Hanko
  • Publication number: 20160178556
    Abstract: An electrochemical half cell comprises: a housing; a potential sensing element at least arranged on some segments inside the housing that is connected electro-conductively with an electrical contact point outside the housing; an electrolyte arranged inside the housing, wherein a plurality of hollow bodies is embedded in the electrolyte, especially distributed evenly inside the volume filled by the electrolyte.
    Type: Application
    Filed: December 16, 2015
    Publication date: June 23, 2016
    Inventors: Michael Hanko, Magdalena Losik, Jens Vettermann