Patents by Inventor Thomas Wilhelm

Thomas Wilhelm 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: 11467119
    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: Grant
    Filed: June 15, 2020
    Date of Patent: October 11, 2022
    Assignee: ENDRESS+HAUSER CONDUCTA GMBH+CO. KG
    Inventors: Michael Hanko, Thomas Wilhelm, Matthäus Speck, Lothar Auerswald
  • Patent number: 11391688
    Abstract: The present disclosure relates to a sensor element for a potentiometric sensor including a substrate, and a potentiometric sensor layer disposed on the substrate, wherein the substrate includes at least one region electrically conductively connected to the sensor layer, and wherein at least the region of the substrate electrically conductively connected to the sensor layer is a mixed-conducting ceramic.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: July 19, 2022
    Assignee: ENDRESS+HAUSER CONDUCTA GMBH+CO. KG
    Inventor: Thomas Wilhelm
  • Publication number: 20220176111
    Abstract: A magnetic system for a medical implant system is described. A planar implant receiver coil is configured to lie underneath and parallel to overlying skin of an implanted patient for transcutaneous communication of an implant communications signal. A planar ring-shaped attachment magnet also is configured to lie underneath and parallel to the overlying skin and radially surrounds the receiver coil. The attachment magnet is characterized by a magnetic field configured to avoid creating torque on the attachment magnet in the presence of an external magnetic field.
    Type: Application
    Filed: March 1, 2022
    Publication date: June 9, 2022
    Inventors: Thomas Wilhelm Eigentler, Andreas Hofner, Ingeborg Hochmair
  • Patent number: 11280754
    Abstract: The present disclosure relates to a measuring probe for electrochemical measurements, including a probe housing having a first cavity to hold a first electrolyte, a first electrode disposed in the first cavity and contacting the first electrolyte, a first junction disposed in a wall of the probe housing, the junction at least temporarily connecting the first cavity with an environment of the measuring probe, a second cavity formed in the probe housing to hold a second electrolyte, a second electrode disposed in the second cavity and contacting the second electrolyte, and a second junction having reversible open and closed states, in which in the closed state the second junction separates the first cavity and the second cavity and in the open state connects the second cavity to the first cavity, thereby enabling a current flow between the first electrolyte and the second electrolyte, mediated via ions as charge carriers therebetween.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: March 22, 2022
    Assignee: ENDRESS+HAUSER CONDUCTA GMBH+CO. KG
    Inventors: Thomas Wilhelm, Torsten Pechstein
  • 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: 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: 20210190553
    Abstract: The present disclosure includes a method for determining the necessity of a measure and/or the success of a measure in the case of a sensor in a retractable assembly, comprising the steps: moving the sensor in the direction of a service chamber of the retractable assembly; analyzing an attribute associated with the sensor, wherein the attribute is a state of at least a portion of the surface of the sensor and/or composition of a medium in the service chamber; and deriving measures from the analysis. The present disclosure also includes a system comprising a retractable assembly having a sensor and a corresponding analysis device.
    Type: Application
    Filed: December 17, 2020
    Publication date: June 24, 2021
    Inventors: Thomas Wilhelm, Thomas Moore, Detlev Wittmer, Ulrich Hoefer
  • Patent number: 11035702
    Abstract: The present disclosure relates to a computer-implemented method for determining at least one measurement uncertainty for at least one measured value of a field device, in which a set of calculation parameters is created that contains at least all standard parameters of a set of standard parameters in the form of a respectively corresponding calculation parameter, and the at least one measurement uncertainty and/or a measurement uncertainty budget is calculated and/or specified based upon at least one calculation parameter value of at least one calculation parameter. Each standard parameter of the set of standard parameters comprising at least one standard parameter represents an independent variable causing the measurement uncertainty. To each calculation parameter is assigned at least one calculation parameter value in the form of at least one standard parameter value, one device parameter value, and/or one application parameter value.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: June 15, 2021
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventor: Thomas Wilhelm
  • 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
  • Patent number: 10996188
    Abstract: The present disclosure relates to a device in particular, a sensor for determining a measurand correlated with a concentration of an analyte in a measuring medium, including a housing that has a region provided for contacting the measuring medium, a fluid line arranged in the housing, an interface that is arranged within the region provided for contacting the measuring medium and has a first side which is in contact with the fluid line and a second side which is in contact with an environment of the housing in particular, with the measuring medium in contact with the housing, a first reservoir that is arranged in the housing and fluidically connected to the fluid line and which contains a reagent intended for contacting and/or interacting with the analyte, and a transport mechanism that is designed to transport reagent from the first reservoir into the fluid line.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: May 4, 2021
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Torsten Pechstein, Thomas Wilhelm, Michael Hanko
  • Publication number: 20210123885
    Abstract: Disclosed is a digital pH sensor for measuring the pH, comprising an electronics unit, sensor housing having a first half-cell and a second half-cell adapted to form a potential difference between the first electrode and the second electrode if the digital pH sensor is in contact with a measurement medium, wherein the electronics unit is adapted for converting the potential difference into a digital voltage value or a digital pH value, wherein the first electrolyte, the first electrode, the second electrolyte, and/or the second electrode are selected such that, at a pH value of 7 and a temperature of 25° C. in the measurement medium, the potential difference of the two electrodes is not equal to 0 mV, and wherein the electronics unit converts the potential difference into the digital measured pH value of 7 or a digital measured voltage value of 0 mV.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 29, 2021
    Inventors: Thomas Wilhelm, Michael Hanko
  • 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: 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: 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: 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: 20200346006
    Abstract: A magnetic system for a medical implant system is described. A planar implant receiver coil is configured to lie underneath and parallel to overlying skin of an implanted patient for transcutaneous communication of an implant communications signal. A planar ring-shaped attachment magnet also is configured to lie underneath and parallel to the overlying skin and radially surrounds the receiver coil. The attachment magnet is characterized by a magnetic field configured to avoid creating torque on the attachment magnet in the presence of an external magnetic field.
    Type: Application
    Filed: July 25, 2018
    Publication date: November 5, 2020
    Inventors: Thomas Wilhelm Eigentler, Andreas Hofner, Ingeborg Hochmair
  • Publication number: 20200319009
    Abstract: The invention relates to a sensor arrangement on a process installation comprising at least two sensor tiles, wherein each sensor tile comprises a support which can be arranged on the process installation and a plurality of sensors arranged on the support for determining a physical or chemical variable of a measuring medium found in the process installation, a process characteristic of the measuring medium and/or a state of the process installation, wherein a first of the sensor tiles comprises a control and/or evaluation unit having at least one transmit and receive module for data exchange with a first control and/or evaluation unit of a second sensor tile, wherein the first control and/or evaluation unit of the first sensor tile and/or a second control and/or evaluation unit allocated to the sensor arrangement is designed to determine the physical or chemical variable of the measuring medium, the process characteristic of the measuring medium and/or a state of the process installation by weighting the valu
    Type: Application
    Filed: November 13, 2018
    Publication date: October 8, 2020
    Inventors: Thomas Wilhelm, Wolfgang Drahm, Alfred Rieder, Peter Klöfer, Thomas Moore
  • Patent number: 10724982
    Abstract: According to at least one aspect of the present disclosure, a method for determining orthophosphate content of a liquid, comprising: registering a first measurement signal of an ion selective dihydrogen phosphate sensor; registering a second measurement signal of an ion selective hydrogen phosphate sensor; and determining the orthophosphate content of the liquid based on the first and second measurement signals. The dihydrogen phosphate sensor can comprise an ion selective dihydrogen phosphate electrode and the hydrogen phosphate sensor an ion selective hydrogen phosphate electrode. In the step of determining the orthophosphate content of the liquid, a cross-sensitivity of the dihydrogen phosphate electrode to hydrogen phosphate present in the liquid and a cross-sensitivity of the hydrogen phosphate electrode to dihydrogen phosphate present in the liquid can be taken into consideration.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: July 28, 2020
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Stefan Wilke, Thomas Wilhelm
  • Patent number: 10723086
    Abstract: The present invention relates to a method for the automated production of a workpiece having at least one diaphragm, including a workpiece for an electrochemical sensor, including providing a workpiece that has a wall with at least one continuous opening through the wall, wherein a diaphragm body is affixed in the at least one opening, such that the diaphragm body completely fills a cross-section of the opening, and processing the diaphragm body by means of a laser.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: July 28, 2020
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Michael Hanko, Thomas Wilhelm, Bert Blankenburg, Carsten Enderwitz, Jens Voigtländer