Patents by Inventor Ralf Twellmann

Ralf Twellmann 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).

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    Patent number: D860955
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: September 24, 2019
    Assignee: steute Schaltgeraete GmbH & Co. KG
    Inventors: Matthias Oberlaender, Christof Gerhardy, Ralf Twellmann
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    Patent number: D863232
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: October 15, 2019
    Assignee: steute Schaltgerate GmbH & Co. KG
    Inventors: Matthias Oberlaender, Christof Gerhardy, Ralf Twellmann
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    Patent number: D863233
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: October 15, 2019
    Assignee: steute Schaltgeraete GmbH & Co. KG
    Inventors: Matthias Oberlaender, Christof Gerhardy, Ralf Twellmann
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    Patent number: D863234
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: October 15, 2019
    Assignee: steute Schaltgeraete GmbH & Co. KG
    Inventors: Matthias Oberlaender, Christof Gerhardy, Ralf Twellmann
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    Patent number: D868007
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: November 26, 2019
    Assignee: Karl Storz SE & Co. KG
    Inventors: Christian Felsch v. Wild, Matthias Oberländer, Ralf Twellmann, Alexander Sabo
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    Patent number: D902872
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: November 24, 2020
    Assignee: steute Technologies GmbH & Co. KG
    Inventors: Christian Felsch Von Wild, Ralf Twellmann, Christof Gerhardy, Karin Sundmacher
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    Patent number: D997238
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: August 29, 2023
    Assignee: KARL STORZ SE & CO. KG
    Inventors: Christian Felsch von Wild, Matthias Oberländer, Ralf Twellmann, Alexander Sabo