Patents by Inventor Iwan Hänggi

Iwan Hänggi 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).

  • Headset
    Patent number: D732001
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: June 16, 2015
    Assignee: SENNHEISER COMMUNICATIONS A/S
    Inventors: Dirk Licht, Oliver Berger, Iwan Hänggi, Tom Allnutt, Marcus Arnold, Efrat Friedland
  • Headphones
    Patent number: D849713
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: May 28, 2019
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventors: Iwan Hänggi, Niklas Galler, Oliver Berger
  • Headphones
    Patent number: D868029
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: November 26, 2019
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventors: Iwan Hänggi, Niklas Galler, Oliver Berger
  • Sound amplifier
    Patent number: D881156
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: April 14, 2020
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventors: Oliver Berger, Iwan Hänggi